Molcan Corporation (Page 1) @ ChemBuyersGuide.com, Inc.

Group :

(2R)-2-[[(4-Ethyl-2,3-dioxopiperazin-1-yl)carbonyl]amino]-2-phenylacetic Acid
CAS:63422-71-9
Piperacillin EP Impurity G
PPR07

(2R)-2-[[[(2S,5R,6R)-6-[[(2R)-2-Amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-yl]carbonyl]amino]-2-phenylacetic acid
CAS:1207726-28-0
Ampicillin EP Impurity E Ampicillinyl-D-Phenylgly
AMP05

(2R)-2-[[[4-[2-(2-Amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]phenyl]carbonyl] amino]pentanedioic acid
CAS:182009-04-7
Pemetrexed EP Impurity E (Acid) Pemetrexed R-Isom
PMT05A

(2R)-2-[[[4-[2-(2-Amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]phenyl]carbonyl] amino]pentanedioic acid disodium salt
CAS:937370-10-0
Pemetrexed EP Impurity E (Disodium) Pemetrexed Di
PMT05N

(2R)-2-[[[4-[2-(2-Amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]phenyl]carbonyl]amino]pentanedioic acid diethyl ester
Pemetrexed R-Isomer Diethyl Ester Pemetrexed EP I
PMT42

(2R)-2-[[[4-[2-(2-Amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]phenyl]carbonyl]amino]pentanedioic acid dimethyl ester
CAS:1391068-12-4
Pemetrexed R-Isomer Dimethyl Ester (D)-Pemetrexed
PMT45

(2R)-2-[[4-[[(2,4-Diaminopteridin-6-yl)methyl]methylamino] benzoyl]amino] pentanedioic acid
CAS:51865-79-3
Methotrexate EP Impurity F Methotrexate USP RC F
MTX06

(2R)-2-[2-[(R)-1-(4-Chlorophenyl)-1-phenylethoxy]ethyl]-1-methylpyrrolidine (E)-butenedioate
CAS:14976-57-9
Clemastine fumarate
CLM00F

(2R)-2-AMINO-2-(4-HYDROXYPHENYL)ACETIC ACID
CAS:22818-40-2
Cefprozil EP Impurity A Cefadroxil EP Impurity A
CFZ01

(2R)-2-AMINO-2-(4-HYDROXYPHENYL)ACETIC ACID
CAS:22818-40-2
Cefadroxil EP Impurity A Cefprozil EP Impurity A
CDX01

(2R)-2-Amino-2-(4-hydroxyphenyl)acetic acid 4-Hydroxy-D-(-)-2-phenylglycine
CAS:22818-40-2
Amoxicillin EP Impurity I Amoxicillin USP RC I C
AMX09

(2R)-2-AMINO-2-PHENYLACETIC ACID
CAS:875-74-1
Cefalexin EP Impurity A Cefaclor EP Impurity A D
CFL01

(2R)-2-AMINO-2-PHENYLACETIC ACID
CAS:875-74-1
Ampicillin EP Impurity L D-Phenylglycine Pivampi
AMP12

(2R)-2-AMINO-3-(3,4-DIHYDROXYPHENYL)-2-METHYLPROPANOIC ACID
CAS:2799-15-7
Methyldopa EP Impurity D (Base) Methyldopa R-Isom
MTD04B

(2R)-2-Amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid HCl
Methyldopa EP Impurity D (HCl) Methyldopa HCl R-I
MTD04H

(2R)-2-AMINO-3-(3,4-DIHYDROXYPHENYL)PROPANOIC ACID
CAS:5796-17-8
Levodopa EP Impurity D D-Dopa
LDP04B

(2R)-2-AMINO-3-(4-HYDROXY-3-METHOXYPHENYL)PROPANOIC ACID
CAS:15402-76-3
Levodopa EP Impurity C �-Isomer (Base) 3-Methyl D
LDP53B

(2R)-2-Amino-3-(4-hydroxy-3-methoxyphenyl)propanoic acid HCl
CAS:63302-11-4
Levodopa EP Impurity C �-Isomer (HCl) 3-Methyl D-
LDP53H

(2R)-2-Amino-3-[(carboxymethyl)thio]propionic acid
CAS:638-23-3
Carbocisteine S-Carboxymethyl-L-Cysteine
CCS00

(2R)-2-AMINO-3-HYDROXY-N-(PHENYLMETHYL)-PROPANAMIDE
CAS:175481-39-7
Lacosamide EP Impurity E Lacosamide N-Desacetyl O
LSM05B

(2R)-2-Amino-3-methoxy-N-(phenylmethyl)-propanamide
CAS:196601-69-1
Lacosamide EP Impurity D (Base) N-Desacetyl Lacos
LSM04B

(2R)-2-Amino-3-methoxy-N-(phenylmethyl)-propanamide oxalate
Lacosamide EP Impurity D (Oxalate) N-Desacetyl La
LSM04X

(2R)-2-AMINO-3-SULFANYLPROPANOIC ACID
CAS:52-90-4
Glutathione EP Impurity B L-Cysteine
GLT02B

(2R)-2-AMINO-3-SULFANYLPROPANOIC ACID
CAS:52-90-4
Acetylcysteine EP Impurity B (Base) L-Cysteine
ACC02B

(2R)-2-Amino-3-sulfanylpropanoic acid hydrochloride monohydrate
CAS:4/6/7048
Glutathione EP Impurity B (HCl) L-Cysteine HCl
GLT02H

(2R)-3,4-Dihydro-6-hydroxy-2,5,7,8-tetramethyl-2H-1-benzopyran-2-carboxylic acid
CAS:53101-49-8
Trolox (R)-Isomer (R)-Trolox
TLX50

(2R)-3,6-Dihydro-6-oxo-2-(2-phenylethyl)-2-propyl-5-[(1R)-1-[3-[[[5-(trifluoromethyl)-2-pyridinyl]sulfonyl]amino]phenyl]propyl]-2H-pyran-4-yl �-D-Glucopyranosiduronic Acid
CAS:947408-14-2
Tipranavir �-D-Glucuronide
TNV51

(2R)-3-(2-CHLORO-4-NITRO-1H-IMIDAZOL-1-YL)-2-METHYL-1,2-PROPANEDIOL
CAS:681490-91-5
Delamanid Diol Impurity
DLM51

(2R)-3-(2-Methoxy-10H-phenothiazin-10-yl)-N,N,2-trimethylpropan-1-amine
CAS:60-99-1
Levomepromazine (Base)
LMM00B

(2R)-3-(2-Methoxy-10H-phenothiazin-10-yl)-N,N,2-trimethylpropan-1-amine HCl
CAS:1236-99-3
Levomepromazine (HCl)
LMM00H

(2R)-3-(2-Methoxy-10H-phenothiazin-10-yl)-N,N,2-trimethylpropan-1-amine maleate
CAS:7104-38-3
Levomepromazine (Maleate)
LMM00M

(2R)-3-(4-PHENYLPIPERAZIN-1-YL)PROPANE-1,2-DIOL
CAS:99291-24-4
Levodropropizine EP Impurity A Dextrodropropizine
LDZ01

(2R)-3-Methoxy-2-[(1-oxopropyl)amino]-N-(phenylmethyl)propanamide
CAS:1318777-56-8
Lacosamide N-Ethylcarbonyl Analog
LSM53

(2R)-3-Phenyl-2-[(pyrazin-2-ylcarbonyl)amino]propanoic acid
CAS:1608986-16-8
Bortezomib Acid R-Isomer
BTZ71

(2R)-3-Phenyl-2-[(pyrazin-2-ylcarbonyl)amino]propanoic acid methyl ester
Bortezomib Acid R-Isomer Methyl Ester
BTZ72

(2R)-4-Amino-2-hydroxy-N,N,N-trimethyl-4-oxobutan-1-aminium chloride
CAS:6490-20-6
Levocarnitine EP Impurity C Carnitinamide HCl
LCT03

(2R)-Amino(cyclohexa-1,4-dienyl)acetic acid
CAS:26774-88-9
Cefradine EP Impurity B D-Dihydrophenylglycine C
CDN02

(2R)-Amino-2-(4-hydroxyphenyl)acetamide
CAS:54397-23-8
Amoxicillin Acetamide Impurity
AMX51

(2R)-Amino-3-(4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl) propanoic acid
CAS:51-49-0
Levothyroxine D-Isomer
LTX50

(2R)-Ethyl 4-methyl-1-((S)-1-phenylethyl)piperidine-2-carboxylate
CAS:139334-63-7
Argatroban RC 15
ATB75

(2R)-N-[(1S,2S,4S)-1-Benzyl-2-hydroxy-4-[[(2S)-3-methyl2-[2-oxotetrahydro pyrimidin-1(2H)-yl]butanoyl]amino]5-phenylpentyl]-3-methyl-2-[2-oxotetra hydropyrimidin1(2H)-yl]butanamide
Lopinavir EP Impurity C Lopinavir Divalinate (USP
LPN03

(2R)-N-[(1S,3S,4S)-1-Benzyl-4-[[2-(2,6-dimethylphenoxy)acetyl]amino]-3-hydroxy-5-phenylpentyl]-3-methyl-2-[2oxotetrahydropyrimidin-1(2H)-yl]butanamide
CAS:1623021-24-8
Lopinavir EP Impurity K Lopinavir D-Valine Diaste
LPN11

(2R)-N-[2-(2-Ethoxyphenoxy)ethyl]-1-(4-methoxyphenyl)propan-2-amine
CAS:1329611-47-3
Tamsulosin EP Impurity H (Base) (R)-Des(aminosulf
TMS08B

(2R)-N-[2-(2-ETHOXYPHENOXY)ETHYL]-1-(4-METHOXYPHENYL)PROPAN-2-AMINE HCL
Tamsulosin EP Impurity H (HCl) (R)-Des(aminosulfo
TMS08H

(2R)-N-benzyl-2-[(benzylcarbamoyl)amino]-3-methoxypropanamide
CAS:2295925-90-3
Lacosamide EP Impurity I
LSM09

(2R)-N1-[(1S,2R)-1-Benzyl-3-[(3S,4aS,8aS)-3-[(1,1-dimethylethyl)carbamoyl]octahydroisoquinolin-2(1H)-yl]-2-hydroxypropyl]-2-[(quinolin-2-ylcarbonyl)amino]butanediamide
Saquinavir EP Impurity D 2-Epi Saquinavir Saquin
SQN04

(2R, 3R,4R,5R)-2-(4-(Hydroxyamino)-2-oxopyrimidine-1(2H)-yl)-5-((isobutyryloxy)methyl)tetrahydrofuran-3,4-diyl bis(2-methylpropanoate)
Molnupiravir IP Impurity H Triacylated Molnupirav
MNP58

(2R,?3R,?4R,?5S,?6S)?-?2-?(Acetoxymethyl)?-?6-?(4-?chloro-?3-?(4-?(((S)?-?tetrahydrofuran-?3-?yl)?oxy)?benzyl)?phenyl)?tetrahydro-?2H-?pyran-?3,?4,?5-?triyl triacetate
CAS:915095-99-7
Empagliflozin Tetraacetyl Impurity
EGF59

(2R,2'R)-2,2'-(Ethylenediimino)dibutan-1-ol
CAS:10054-05-4
Ethambutol EP Impurity C (Base) Ethambutol USP RC
ETB03B

(2R,2'R)-2,2'-(Ethylenediimino)dibutan-1-ol dihydrochloride
CAS:134566-79-3
Ethambutol EP Impurity C (2HCl) Ethambutol USP RC
ETB03H

(2R,2'S)-2,2'-(Ethylenediimino)dibutan-1-ol
CAS:10054-06-5
Ethambutol EP Impurity B (Base) Ethambutol USP RC
ETB02B

(2R,2'S)-2,2'-(Ethylenediimino)dibutan-1-ol dihydrochloride
CAS:32454-69-6
Ethambutol EP Impurity B (2HCl) Ethambutol USP RC
ETB02H

(2R,2'S)-3,3'-Sulfonyl-bis[N-[4-cyano-3-(trifluoromethyl)phenyl]-2-hydroxy-2-methylpropanamide]
Bicalutamide EP Impurity K
BCL11

(2R,3aR,6aR)-1-[(R)-2-[[(R)-1-(Ethoxycarbonyl)-3-phenylpropyl]amino] propanoyl] octahydrocyclo penta [b] pyrrole-2-carboxylic acid
CAS:1246253-05-3
Ramipril EP Impurity J Ramipril (R,R-R,R,R)-Isome
RMP10

(2R,3aR,6aR)-1-[(S)-2-[[(S)-1-(ethoxycarbonyl)-3-phenylpropyl]amino] propanoyl] octahydrocyclopenta [b] pyrrole-2-carboxylic acid
CAS:129939-63-5
Ramipril EP Impurity N Ramipril (S,S-R,R,R)-Isome
RMP14

(2R,3aR,7aS)-1-[(2S)-2-[[(1S)-1-(Ethoxycarbonyl)-3-phenylpropyl] amino] propanoyl] octahydro-1H-indole-2-carboxylic acid
Trandolapril EP Impurity F Trandolapril USP RC F
TDL06

(2R,3R)- 2-(2,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-2,3-butanediol
CAS:133775-25-4
Efinaconazole (2R,3R)-Diol Impurity (Base) (2R,3R
EFC71B

(2R,3R)- 2-(2,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)-2,3-butanediol mesylate
CAS:1175536-50-1
Efinaconazole (2R,3R)-Diol Impurity (Mesylate) (2
EFC71M

(2R,3R)-2,3-Bis(4-methylbenzoyloxy)succinic acid
CAS:32634-66-5
Upadacitinib RC 1
UDT61

(2R,3R)-2-((1R)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluoro phenyl) morpholine HCl
CAS:1447693-83-5
Aprepitant M2 Metabolite (1R, 2R, 3R)-Isomer Apre
APP51H

(2R,3R)-2-((1S)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluoro phenyl)morpholine
CAS:1242175-36-5
Aprepitant M2 Metabolite (1S, 2R, 3R)-Isomer (Base
APP55B

(2R,3R)-2-((1S)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluoro phenyl)morpholine HCl
CAS:1333998-21-2
Aprepitant M2 Metabolite (1S, 2R, 3R)-Isomer (HCl)
APP55H

(2R,3R)-2-(2,2-Dichloroacetamido)-3-hydroxy-3-(4-(methylsulfonyl)phenyl)propyl 2-aminoacetate
CAS:2393-92-2
Thiamphenicol Glycinate
TMC51B

(2R,3R)-2-(2,2-Dichloroacetamido)-3-hydroxy-3-(4-(methylsulfonyl)phenyl)propyl 2-aminoacetate hydrochloride
CAS:2611-61-2
Thiamphenicol glycinate HCl
TMC51H

(2R,3R)-2-(2,2-Dichloroacetamido)-3-hydroxy-3-(4-nitrophenyl)propyl acetate
CAS:10318-16-8
Chloramphenicol 3-Acetate
CRP53

(2R,3R)-2-(2,3-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butane-2,3-diol
Efinaconazole Diol 2,3-Difluoro Impurity (2R,3R)-
EFC58

(2R,3R)-2-(2,3-Difluorophenyl)-3-(4-methylenepiperidin-1-yl)-1-(4H-1,2,4-triazol-4-yl)butan-2-ol
Efinaconazole 2,3-Difluoro Impurity
EFC54

(2R,3R)-2-(2,4-DIFLUOROPHENYL)-3-(5-FLUOROPYRIMIDIN-4-YL)-1-(1H-1,2,4-TRIAZOL-1-YL)BUTAN-2-OL
CAS:137234-76-5
Voriconazole 3-Epimer (2R,3R)-Voriconazole
VRC53

(2R,3R)-2-(2,4-DIFLUOROPHENYL)-3-METHYL-2-[(1H-1,2,4-TRIAZOL-1-YL)METHYL]OXIRANE
CAS:135270-13-2
Efinaconazole Epoxy Impurity (R,R)-Efinaconazole
EFC75

(2R,3R)-2-(2,5-DIFLUOROPHENYL)-1-(1H-1,2,4-TRIAZOL-1-YL)BUTANE-2,3-DIOL
Efinaconazole Diol 2,5-Difluoro Impurity (2R,3R)-
EFC59

(2R,3R)-2-(2,5-Difluorophenyl)-3-(4-methylenepiperidin-1-yl)-1-(4H-1,2,4-triazol-4-yl)butan-2-ol
Efinaconazole 2,5-Difluoro Impurity
EFC55

(2R,3R)-2-(2,6-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butane-2,3-diol
Efinaconazole Diol 2,6-Difluoro Impurity (2R,3R)-
EFC60

(2R,3R)-2-(2,6-Difluorophenyl)-3-(4-methylenepiperidin-1-yl)-1-(4H-1,2,4-triazol-4-yl)butan-2-ol
Efinaconazole 2,6-Difluoro Impurity
EFC56

(2R,3R)-2-(2-FLUORO-4-(4-METHYLENEPIPERIDIN-1-YL)PHENYL)-3-(4-METHYLENEPIPERIDIN-1-YL)-1-(1H-1,2,4-TRIAZOL-1-YL)BUTAN-2-OL
CAS:2055912-03-1
Efinaconazole RC 5
EFC65

(2R,3R)-2-(2-Fluorophenyl)-3-(4-methylidenepiperidin-1-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol HCl
Efinaconazole 4-Desfluoro Impurity
EFC84H

(2R,3R)-2-(3,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butane-2,3-diol
Efinaconazole Diol 3,4-Difluoro Impurity (2R,3R)-
EFC41

(2R,3R)-2-(3,4-Difluorophenyl)-3-(4-methylenepiperidin-1-yl)-1-(4H-1,2,4-triazol-4-yl)butan-2-ol
Efinaconazole 3,4-Difluoro Impurity
EFC57

(2R,3R)-2-(3-Chlorophenyl)-3,5,5-trimethyl-2-morpholinol hydrochloride
CAS:192374-15-5
Bupropion Morpholinol (2R,3R)-Isomer (2R,3R)-Hyd
BPP17H

(2R,3R)-2-(4-Fluorophenyl)-3-(4-methylidenepiperidin-1-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol HCl
Efinaconazole 2-Desfluoro Impurity Efinaconazole
EFC82H

(2R,3R)-2-[(2,2-Dichloroacetyl)amino]-3-hydroxy-3-(4-nitrophenyl)propyl �-D-glucopyranosiduronic acid
CAS:39751-33-2
Chloramphenicol 3-O-�-D-Glucuronide
CRP63

(2R,3R)-2-[(Dichloroacetyl)amino]-3-hydroxy-3-(4-nitrophenyl)propyl ester hexadecanoic acid
CAS:530-43-8
Chloramphenicol palmitate
CRP50

(2R,3R)-2-Ethyl-3-(hydroxymethyl)-4-(1-methyl-1H-imidazol-5-yl)butanoic acid
CAS:34350-99-7
Pilocarpine EP Impurity C Isopilocarpic Acid
PCP03A

(2R,3R)-2-Ethyl-3-(hydroxymethyl)-4-(1-methyl-1H-imidazol-5-yl)butanoic acid sodium salt
CAS:101769-87-3
Pilocarpine EP Impurity C (Sodium) Isopilocarpic
PCP03N

(2R,3R)-3-((1H-1,2,4-TRIAZOL-1-YL)METHYL)-6-FLUORO-3-HYDROXY-2-METHYL-4'-METHYLENESPIRO[INDOLINE-1,1'-PIPERIDIN]-1-IUM FLUORIDE
CAS:2252350-11-9
Efinaconazole RC 3 Efinaconazole Pyrrolidine Anal
EFC63

(2R,3R)-3-(2,5-DIFLUOROPHENYL)-3-HYDROXY-2-METHYL-4-(1H-1,2,4-TRIAZOL-1-YL)BUTANETHIOAMIDE
CAS:368421-58-3
Isavuconazole RC 12
ISV72

(2R,3R)-3-(2,5-DIFLUOROPHENYL)-3-HYDROXY-2-METHYL-4-(1H-1,2,4-TRIAZOL-1-YL)BUTANOIC ACID
CAS:483340-19-8
Isavuconazole RC 14
ISV74

(2R,3R)-3-(4-METHYLIDENEPIPERIDIN-1-YL)-2-PHENYL-1-(1H-1,2,4-TRIAZOL-1-YL)BUTAN-2-OL
Efinaconazole 2,4-Didesfluoro Impurity
EFC80

(2R,3R,3aS,9aR)-2-(Hydroxymethyl)-6-imino-2,3,3a-9a-tetrahydro-6H-furo[2',3'4,5][1,3]oxazolo[3,2-a]pyrimidin-3-ol
CAS:31698-14-3
Cytarabine EP Impurity H (Base) Ancitabine Cyclo
CTB08B

(2R,3R,3aS,9aR)-2-(Hydroxymethyl)-6-imino-2,3,3a-9a-tetrahydro-6H-furo[2',3'4,5][1,3]oxazolo[3,2-a]pyrimidin-3-ol hydrochloride
CAS:10212-25-6
Cytarabine EP Impurity H (HCl) Ancitabine HCl Cy
CTB08H

(2R,3R,4aS,4bS,10aS,10bR,11S,12aS)-10b-Fluoro-2,3,11-trihydroxy-2-(hydroxymethyl)-10a,12a-dimethyl-2,3,4,4a,5,6,10b,11,12,12a-decahydrochrysene-1,8(4bH,10aH)-dione
CAS:130063-07-9
Triamcinolone RC 6
TCN66

(2R,3R,4R)-3-(Acetylamino)-4-carbamimidoylamino-2-[(1R,2R)-1,2,3-trihydroxy propyl]-3,4-dihydro-2H-pyran-6-carboxylic acid
Zanamivir EP Impurity H Zanamivir (4R)-Isomer
ZNM08

(2R,3R,4R,5R)-2,3,4,5,6-Pentahydroxyhexyl 4-(5-(bis(2-Chloroethyl)amino)-1-methyl-1H-benzo[d]imidazol-2-yl)butanoate
CAS:1869075-89-7
Bendamustine USP RC F Bendamustine Mannitol Ester
BDM26B

(2R,3R,4R,5R)-2-(4-Aminopyrrolo[1,2-f][1,2,4]triazin-7-yl)-3,4-bis(benzyloxy)-5-(benzyloxymethyl)-tetrahydrofuran-2-carbonitrile
CAS:1355357-49-1
Remdesivir Impurity 8
RDV68

(2R,3R,4R,5S)-2-(3-(4-Ethoxybenzyl)-4-chlorophenyl)-5-((S)-1,2-dihydroxyethyl)-tetrahydrofuran-3,4-diol
CAS:1469910-70-0
Dapagliflozin RC 4 Dapagliflozin (5S)-Furanose
DPG64

(2R,3R,4R,5S,6R)-2-(4-Chloro-3-(2-ethoxybenzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol
Dapagliflozin RC 26 2-Ethoxybenzyl Dapagliflozin
DPG86

(2R,3R,4R,5S,6S)-2-(ACETOXYMETHYL)-6-(4-CHLORO-3-(4-METHOXYBENZYL)PHENYL)TETRAHYDRO-2H-PYRAN-3,4,5-TRIYL TRIACETATE
CAS:872980-38-6
Empagliflozin RC 8 Methoxy Empagliflozin Tetraace
EGF78

(2R,3R,4R,5S,6S)-6-(((1S,2R)-2-(4-(1-Carboxyethyl)benzyl)cyclopentyl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid
Loxoprofen Hydroxy Alkoxy Glucuronide Hydroxyloxo
LXP55A

(2R,3R,4S)-3-(Acetylamino)-4-(carbamoylamino)-2-[(1R,2R)-1,2,3-trihydroxypropyl]-3,4-dihydro-2H-pyran-6-carboxylic acid
CAS:179531-53-4
Zanamivir EP Impurity D
ZNM04

(2R,3R,4S)-3-(Acetylamino)-4-[(carbamimidoylcarbamimidoyl)amino]-2-[(1R,2R)-1,2,3-trihydroxypropyl]-3,4-dihydro-2H-pyran-6-carboxylic acid
Zanamivir EP Impurity E
ZNM05

(2R,3R,4S)-3-(Acetylamino)-4-[[[N-[(2R,3R,4S)-3-(acetylamino)-6-carboxy-2-[(1R,2R)-1,2,3-trihydroxypropyl]-3,4-dihydro-2H-pyran-4-yl]carbamimidoyl]-carbamoyl]amino]-2-[(1R,2R)-1,2,3-trihydroxypropyl]-3,4-dihydro-2H-pyran-6-carboxylic acid
CAS:139110-80-8
Zanamivir EP Impurity A Zanamivir Dimer
ZNM01

(2R,3R,4S)-3-(Acetylamino)-4-amino-2-[(1R,2R)-1,2,3-trihydroxypropyl]-3,4-dihydro-2H-pyran-6-carboxylicacid
CAS:130525-62-1
Zanamivir EP Impurity C Zanamivir Amine
ZNM02

(2R,3R,4S)-3-(Acetylamino)-4-carbamimidoylamino-2-[(1R,2R)-1,2,3-trihydroxypropyl]-3,4-dihydro-2H-pyran-6-carboxylic acid
CAS:139110-80-8
Zanamivir (Anhydrous)
ZNM00A

(2R,3R,4S)-3-(Acetylamino)-4-carbamimidoylamino-2-[(1R,2R)-1,2,3-trihydroxypropyl]-3,4-dihydro-2H-pyran-6-carboxylic acid hydrate
CAS:551942-41-7
Zanamivir (Hydrate)
ZNM00H

(2R,3R,4S,4aS,5aR,6S,7S,8R,9S,9aR,10aS)-2-Methyl-6,8-bis(methylamino)decahydro-2H-pyrano[2,3-b][1,4]benzodioxine-3,4,4a,7,9-pentol
CAS:935756-69-7
Spectinomycin EP Impurity D Dihydroxyspectinomyci
SMC04

(2R,3R,4S,5R)-2-(2,6-DIAMINO-9H-PURIN-9-YL)-5-(HYDROXYMETHYL)-TETRAHYDROFURAN-3,4-DIOL
CAS:10/8/2096
Regadenoson Impurity 18 2-Amino Adenosine
RGD68

(2R,3R,4S,5R)-2-(4-Aminopyrrolo[1,2-f][1,2,4]triazin-7-yl)-3,4-dihydroxy-5-(hydroxymethyl)-tetrahydrofuran-2-carbonitrile
CAS:1191237-69-0
Remdesivir Impurity 7 Remdesivir O-Desphosphate
RDV67

(2R,3R,4S,5R)-2-(6-Amino-2-chloro-9H-purin-9-yl)-5-(hydroxymethyl)-tetrahydrofuran-3,4-diol
CAS:146-77-0
Regadenoson Impurity 5 (Anhydrous) 2-Chloro Adeno
RGD55A

(2R,3R,4S,5R)-2-(6-Amino-2-chloro-9H-purin-9-yl)-5-(hydroxymethyl)-tetrahydrofuran-3,4-diol hemihydrate
CAS:81012-94-4
Regadenoson Impurity 5 (Hemihydrate) 2-Chloro Ade
RGD55H

(2R,3R,4S,5R)-2-(6-Amino-2-methoxy-9H-purin-9-yl)-5-(hydroxymethyl)-tetrahydrofuran-3,4-diol
Regadenoson Impurity 8
RGD58

(2R,3R,4S,5R)-5-(4-BENZAMIDO-2-OXOPYRIMIDIN-1(2H)-YL)-2-((BENZOYLOXY)METHYL)-4-HYDROXY-4-METHYLTETRAHYDROFURAN-3-YL BENZOATE
CAS:863329-62-8
Sofosbuvir Benzamido Impurity
SFS51

(2R,3R,4S,5R,6R)-6-(ACETOXYMETHYL)-2-(4-CHLORO-3-(4-ETHOXYBENZYL)PHENYL)TETRAHYDRO-2H-PYRAN-2,3,4,5-TETRAYL TETRAACETATE
Dapagliflozin RC 31 Dapagliflozin Pentaacetate
DPG91

(2R,3R,4S,5R,8R,10R,11R,12S,13S,14R)-13-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-a-L-ribo-hexopyranosyl)oxy]-2-ethyl-4,10-dihydroxy-3,5,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-�-D-xylo-hexopyranosyl]oxy]-1-oxa-6-azacyclopentadecan-15-one
CAS:857078-26-3
Azithromycin 3-Deoxy N-Desmethyl N-Desmethyl Azit
AZM53

(2R,3R,4S,5R,8R,9S,10S,11R,12R)-9-[(2,6-Dideoxy-3C-methyl-3-O-methyl-a-L-ribo-hexopyranosyl)oxy]-5-ethyl-3,4-dihydroxy-2,4,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-�-D-xylohexopyranosyl]oxy]-6,15-dioxabicyclo[10.2.1]pentadec1(14)-en-7-o
CAS:33396-29-1
Erythromycin EP Impurity E Erythromycin A Enol Et
ETM05

(2R,3R,4S,5S)-5-(4-Amino-2-oxopyrimidin-1(2H)-yl)-2-((benzoyloxy)methyl)-4-fluoro-4-methyltetrahydrofuran-3-yl benzoate
CAS:874638-94-5
Sofosbuvir Dibenzoyl Amino alpha-Isomer
SFS52

(2R,3R,4S,5S,6R)-2-(4-CHLORO-3-(4-ETHOXYBENZYL)PHENYL)-6-(HYDROXYMETHYL)-2-METHOXYTETRAHYDRO-2H-PYRAN-3,4,5-TRIOL
CAS:1528636-07-8
Dapagliflozin RC 34
DPG94

(2R,3R,4S,5S,6S)-2-(Acetoxymethyl)-6-(4-chloro-3-((4-ethoxyphenyl)(hydroxy)methyl)phenyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate
Dapagliflozin RC 29 5-Hydroxy Methyl Dapagliflozi
DPG89

(2R,3R,5R)-5-(2,6-Diamino-9H-purin-9-yl)-2-(hydroxymethyl)-tetrahydrofuran-3-ol
CAS:4546-70-7
Cladribine EP Impurity A
CDB01

(2R,3R,5R)-5-(5-Methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2-(trityloxymethyl)-tetrahydrofuran-3-yl methanesulfonate
CAS:42214-24-4
Zidovudine RC 2
ZDV62

(2R,3R,5R)-5-(6-Amino-2-chloro-9H-purin-9-yl)-2-(hydroxymethyl)-tetrahydrofuran-3-ol
CAS:4291-63-8
Cladribine
CDB00

(2R,3R,5R)-5-(6-Amino-2-methoxy-9H-purin-9-yl)-2-(hydroxymethyl)-tetrahydrofuran-3-ol
CAS:24757-70-8
Cladribine EP Impurity B Cladribine USP RC A
CDB02

(2R,3R,5R,6R)-6-(Acetoxymethyl)-2-(4-chloro-3-(4-ethoxybenzyl)phenyl)tetrahydro-2H-pyran-2,3,4,5-tetrayl tetraacetate
CAS:461432-25-7
Dapagliflozin Tetraacetate
DPG57

(2R,3R,6R,7S,8S,9R,10R)-7-[(2,6-Dideoxy-3-C-methyl3-O-methyl-a-L-ribo-hexopyranosyl) oxy]-3-[(1R,2R)-1,2-dihydroxy-1-methylbutyl]-2,6,8,10,12-pentamethyl-9-[[3,4,6-trideoxy-3-(dimethylamino)-�-D-xylohexopyranosyl]oxy]-4,13-dioxabicyclo[8.2.1 ]tridec-1(12)
CAS:105882-69-7
Erythromycin EP Impurity F Pseudoerythromycin A E
ETM06

(2R,3R,6S)-N,6-BIS(4-FLUOROPHENYL)TETRAHYDRO-2-(4-HYDROXYPHENYL)-2H-PYRAN-3-CARBOXAMIDE
CAS:1296129-15-1
Ezetimibe Tetrahydropyran Impurity
EZT67

(2R,3S)-2-((1R)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluoro phenyl) morpholine
CAS:171338-27-5
Aprepitant M2 Metabolite (1R, 2R, 3S)-Isomer (Base
APP52B

(2R,3S)-2-((1R)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluoro phenyl) morpholine HCl
CAS:171482-05-6
Aprepitant M2 Metabolite (1R, 2R, 3S)-Isomer (HCl)
APP52H

(2R,3S)-2-((1S)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluoro phenyl)morpholine
CAS:170729-79-0
Aprepitant M2 Metabolite (1S, 2R, 3S)-Isomer Apre
APP56B

(2R,3S)-2-(2,4-DIFLUOROPHENYL)-1-(1H-1,2,4-TRIAZOL-1-YL)BUTANE-2,3-DIOL
CAS:135270-11-0
Efinaconazole (2R,3S)-Diol Impurity
EFC72

(2R,3S)-2-(2,4-Difluorophenyl)-3-(4-methylenepiperidin-1-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol
CAS:2055038-60-1
Efinaconazole (2R,3S)-Isomer (Base)
EFC51B

(2R,3S)-2-(2,4-Difluorophenyl)-3-(4-methylenepiperidin-1-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol oxalate
Efinaconazole (2R,3S)-Isomer (Oxalate)
EFC51X

(2R,3S)-2-(2,4-DIFLUOROPHENYL)-3-(5-FLUOROPYRIMIDIN-4-YL)-1-(1H-1,2,4-TRIAZOL-1-YL)BUTAN-2-OL
CAS:137234-62-9
Voriconazole (2R,3S)-Voriconazole
VRC00

(2R,3S)-2-(2,4-Difluorophenyl)-3-(6-chloro-5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol
Voriconazole 6-Chloro (2R,3S)-Isomer 6-Chloro Vor
VRC40

(2R,3S)-2-(4-Methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-ol
Diltiazem 2-Epimer O-Desacetyl N-Desdimethylaminoe
DTZ51

(2R,3S)-3-Amino-2-hydroxy-3-phenylpropanoic acid (2aR,4S,4aS,6R,9S, 11S,12S,12aR,12bS)-12b-(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10, 11,12,12a,12b-dodecahydro-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1
CAS:1638286-64-2
Cabazitaxel Amine Cabazitaxel Des-t-BOC Impurity
CZT63

(2R,3S)-3-BENZAMIDO-2-HYDROXY-3-PHENYLPROPANOIC ACID
CAS:132201-33-3
Paclitaxel RC 11 Paclitaxel Side Chain Impurity 1
PCX71

(2R,3S)-3-Benzamido-2-hydroxy-3-phenylpropanoic acid ethyl ester
CAS:153433-80-8
Paclitaxel RC 12 Paclitaxel Side Chain Ethyl Este
PCX72

(2R,3S)-3-Benzamido-2-hydroxy-3-phenylpropanoic acid methyl ester
CAS:32981-85-4
Paclitaxel RC 13 Paclitaxel Side Chain Methyl Est
PCX73

(2R,3S)-5-[2-(Dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-ol
CAS:91926-66-8
Diltiazem 2-Epimer O-Desacetyl Impurity
DTZ41

(2R,3S)-5-[2-(Dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate
CAS:111188-71-7
Diltiazem EP Impurity A (Base) Diltiazem USP RC A
DTZ01B

(2R,3S)-5-[2-(Dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate HCl
CAS:103532-27-0
Diltiazem EP Impurity A (HCl) Diltiazem USP RC A
DTZ01H

(2R,3S)-Benzyl 3-(benzyloxycarbonyloxy)-2-(3-(7-bromo-6-chloro-4-oxoquinazolin-3(4H)-yl)-2-oxopropyl)piperidine-1-carboxylate
CAS:1246816-41-0
Halofuginone RC 4
HLF64

(2R,3S)-�-[[(1,1-Dimethylethoxy)carbonyl]amino]-a-hydroxybenzenepropanoic acid (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-7,11-met
CAS:183133-96-2
Cabazitaxel
CZT00

(2R,3S,4aR,5aR,6S,7S,8R,9S,9aR,10aS)-3,4a,7,9-Tetrahydroxy-2-methyl-6,8-bis(methylamino)decahydro-4H-pyrano[2,3-b][1,4]benzodioxin-4-one
CAS:1323437-07-5
Spectinomycin EP Impurity G Tetrahydroxy Spectin
SMC07

(2R,3S,4R,5R)-1-(3-((5-(4-FLUOROPHENYL)THIOPHEN-2-YL)METHYL)-4-METHYLPHENYL)-2,3,4,5,6-PENTAHYDROXYHEXAN-1-ONE
CAS:1809403-04-0
Canagliflozin RC 1
CNG71

(2R,3S,4R,5R)-5-(6-Amino-2-chloro-9H-purin-9-yl)-4-fluoro-2-(hydroxy methyl)-tetrahydrofuran-3-ol
CAS:123318-82-1
Clofarabine
CFB00

(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-13-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-a-L-ribo-hexopyranosyl)oxy]-2-ethyl-3,4,10-trihydroxy-3,5,6,8,10,12,14-heptamethyl-11-[[3,4,6- trideoxy-3-(dimethylamino)-�-D-xylo-hexopyranosyl]oxy]-1-oxa-6-azacyclopentadecan-15
CAS:117772-70-0
Azithromycin (Dihydrate)
AZM00D

(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-Ethyl-3,4,10-trihydroxy-13-[[(3S,4S,6R,8R)-8-methoxy-4,8-dimethyl-1,5-dioxaspiro[2.5]oct-6-yl]oxy]-3,5,8,10,12,14-hexamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-�-D-xylo-hexopyranosyl]oxy]-1-oxa-6-azacyclopentadeca
CAS:217500-75-9
Azithromycin N-Desmethyl 4-Oxime
AZM54

(2R,3S,4R,5S)-5-(6-Amino-2-chloro-9H-purin-9-yl)-4-fluoro-2-(hydroxy methyl)-tetrahydrofuran-3-ol
CAS:491594-60-6
Clofarabine alpha-Isomer
CFB60

(2R,3S,4R,5S)-5-Hydroxy-2,3,4-tris (phenyl methoxy)-5-[(phenylmethoxy) methyl]-cyclohexanone
CAS:115250-38-9
Voglibose TBC Impurity 2,3,4,6-Tetra-O-Benzyl Val
VGL05

(2R,3S,4R,5S,6R)-2-(4-Chloro-3-(4-ethoxybenzyl)phenyl)-6- (hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol
Dapagliflozin (C2,C3)-Epimer
DPG54

(2R,3S,4S)-2,3,4-TRIS(BENZYLOXY)-4-(4-((BENZYLOXY)-METHYL)-2,2-DIMETHYL-1,3-DIOXOLAN-4-YL)-1-(4-METHYLPIPERAZIN-1-YL)BUTAN-1-ONE OXALATE
CAS:1431329-06-4
Ertugliflozin RC 3 (Oxalate)
EGZ53X

(2R,3S,4S)-2,3,4-Tris(benzyloxy)-4-(4-(benzyloxymethyl)-2,2-dimethyl-1,3-dioxolan-4-yl)-1-(4-methylpiperazin-1-yl)butan-1-one
CAS:1431329-05-3
Ertugliflozin RC 3 (Base)
EGZ53B

(2R,3S,4S)-5-((2,5-Diamino-6-oxo-3,6-dihydropyrimidin-4-yl)amino)2,3,4-trihydroxypentyl dihydrogen phosphate
CAS:71491-00-4
Riboflavin RC 4
RBF64A

(2R,3S,4S)-5-(3,4-Dimethylphenylamino)pentane-1,2,3,4-tetraol
CAS:3051-94-3
Riboflavin RC 8
RBF68

(2R,3S,4S)-5-(3-(Dimethylamino)-4-methylphenylamino)pentane-1,2,3,4-tetraol
CAS:57333-80-9
Riboflavin RC 9
RBF69

(2R,3S,4S)-5-(7,8-Dimethyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)-1,2,4-trihydroxypentan-3-yl dihydrogen phosphate
CAS:80400-93-7
Riboflavin 3-Phosphate
RBF53A

(2R,3S,4S)-5-(7,8-dimethyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)-1,3,4-trihydroxypentan-2-yl dihydrogen phosphate
CAS:60697-29-2
Riboflavin 4-Phosphate
RBF54A

(2R,3S,4S,5R)-2-(4-Chloro-3-(4-ethoxybenzyl)phenyl)-5-((R)-1,2-diacetoxyethyl)tetrahydrofuran-3,4-diyl diacetate
Dapagliflozin RC 23
DPG83

(2R,3S,4S,5S)-2-((3S,5R,6S,8R,9R,10R,12R,13R,14R,17S)-3,12-Dihydroxy-17-((S)-2-Hydroxy-6-methylhept-5-en-2-yl)-4,4,8,10,14-pentamethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-6-yloxy)-6-(hydroxymethyl)-tetrahydro-2H-pyran-3,4,5-triol (3�,6a,12�)-3,12,
CAS:63223-86-9
Ginsenoside Rh1
GSN63

(2R,3S,4S,5S)-2-((3S,5R,6S,8R,9R,10R,12R,13R,14R,17S)-3,12-Dihydroxy-4,4,8,10,14-pentamethyl-17-((E)-6-methylhepta-2,5-dien-2-yl)-hexadecahydro-1H-cyclopenta[a]phenanthren-6-yloxy)-6-(hydroxymethyl)-tetrahydro-2H-pyran-3,4,5-triol
CAS:174721-08-5
Ginsenoside Rh4
GSN66

(2R,3S,4S,5S)-2-((3S,5R,8R,9R,10R,12R,13R,14R,17S)-12-hydroxy-17-((S)-2-hydroxy-6-methylhept-5-en-2-yl)-4,4,8,10,14-pentamethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-3-yloxy)-6-(hydroxymethyl)-tetrahydro-2H-pyran-3,4,5-triol
CAS:78214-33-2
Ginsenoside Rh2 20(S)-Ginsenoside-Rh2
GSN64

(2R,3S,4S,5S)-2-((3S,5R,8R,9R,10R,12R,13R,14R,17S)-12-Hydroxy-4,4,8,10,14-pentamethyl-17-((Z)-6-methylhepta-2,5-dien-2-yl)-hexadecahydro-1H-cyclopenta[a]phenanthren-3-yloxy)-6-(hydroxymethyl)-tetrahydro-2H-pyran-3,4,5-triol (3�, 12�,20Z)-12-Hydroxydammar
CAS:105558-26-7
Ginsenoside Rh3
GSN65

(2R,3S,5R)-5-(4-Benzamido-2-oxopyrimidin-1(2H)-yl)-2-((benzoyloxy)methyl)-4-methylenetetrahydrofuran-3-yl benzoate N-Benzoyl-2�-deoxy-2�-methylenecytidine 3�,5�-Dibenzoate
CAS:863329-63-9
Sofosbuvir Methylene Impurity
SFS57

(2R,3S,5S)-2-(3-(4-Ethoxybenzyl)-4-chlorophenyl)-6-(hydroxymethyl)-tetrahydro-2H-pyran-2,3,4,5-tetraol
CAS:960404-86-8
Dapagliflozin RC 30
DPG90

(2R,3S,5S)-2-(6-AMINO-9H-PURIN-9-YL)-5-(HYDROXYMETHYL)-TETRAHYDROFURAN-3-OL
CAS:73-03-0
Cordycepin 3'-Deoxyadenosine
CRD00

(2R,3S,6R)-2-(Hydroxymethyl)-6-((S)-6-(propylamino)-4,5,6,7-tetrahydrobenzo[d]thiazol-2-ylamino)-tetrahydro-2H-pyran-3,4,5-triol
Pramipexole Glucose Adduct
PMP60B

(2R,3Z,5R)-3-(2-hydroxyethylidene)-7-oxo-4-oxa-1-azabicyclo [3.2.0] heptane-2-carboxylic acid
CAS:58001-44-8
Clavulanic acid
CVL00A

(2R,4aR,5aR,6S,7R,8R,9S,9aR,10aS)-6-Amino-4a,7,9-trihydroxy-2-methyl-8-(methylamino)decahydro-4H-pyrano[2,3-b][1,4]benzodioxin-4-one
CAS:88270-91-1
Spectinomycin EP Impurity E N-Desmethylspectinomy
SMC05

(2R,4aR,5aR,6S,7S,8R,9S,9aR,10aS)-4a,7,9-Trihydroxy-2-methyl-6,8-bis(methylamino)decahydro-4H-pyrano[2,3-b][1,4]benzodioxin-4-one
CAS:81695-77-8 (?)
Spectinomycin (Base)
SMC00B

(2R,4aR,5aR,6S,7S,8R,9S,9aR,10aS)-4a,7,9-Trihydroxy-2-methyl-6,8-bis(methylamino)decahydro-4H-pyrano[2,3-b][1,4]benzodioxin-4-one dihydrochloride
CAS:21736-83-4
Spectinomycin (2HCl)
SMC00X

(2R,4aR,5aR,6S,7S,8R,9S,9aR,10aS)-4a,7,9-Trihydroxy-2-methyl-6,8-bis(methylamino)decahydro-4H-pyrano[2,3-b][1,4]benzodioxin-4-one dihydrochloride pentahydrate
CAS:22189-32-8
Spectinomycin (2HCl.5H2O) Spectinomycin Dihydroch
SMC00Y

(2R,4aR,5aR,6S,7S,8R,9S,9aR,10aS)-4a,7,9-Trihydroxy-2-methyl-6,8-bis(methylamino)decahydro-4H-pyrano[2,3-b][1,4]benzodioxin-4-one hydrochloride
CAS:22193-75-5
Spectinomycin (HCl)
SMC00H

(2R,4R)-1-((2S)-5-(HYDRAZINECARBOXIMIDAMIDO)-2-((3-METHYL-1,2,3,4-TETRAHYDROQUINOLINE)-8-SULFONAMIDO)PENTANOYL)-4-METHYLPIPERIDINE-2-CARBOXYLIC ACID
Argatroban RC 8 Argatroban N-Amine
ATB68

(2R,4R)-1-((S)-5-Amino-2-(3-methyl-1,2,3,4-tetrahydroquinoline-8-sulfonamido)pentanoyl)-4-methylpiperidine-2-carboxylic acid
CAS:188659-43-0
Argatroban RC 6 Argatroban 5-Amino
ATB66

(2R,4R)-1-((S)-5-Guanidino-2-((R)-3-methyl-1,2,3,4-tetrahydroquinoline-8-sulfonamido)pentanoyl)-4-methylpiperidine-2-carboxylic acid
CAS:121785-71-5
Argatroban (21R)-Isomer
ATB55

(2R,4R)-1-((S)-5-Guanidino-2-((S)-3-methyl-1,2,3,4-tetrahydroquinoline-8-sulfonamido)pentanoyl)-4-methylpiperidine-2-carboxylic acid
CAS:121785-72-6
Argatroban (21S)-Isomer
ATB56

(2R,4R)-1-((S)-5-Guanidino-2-(1-hydroxy-3-methyl-1,2,3,4-tetrahydroquinoline-8-sulfonamido)pentanoyl)-4-methylpiperidine-2-carboxylic acid
Argatroban RC 7 Hyrdoxy-Morpholine Argatroban
ATB67

(2R,4R)-1-((S)-5-Guanidino-2-(3-methyl-1,2,3,4-tetrahydroquinoline-8-sulfonamido)pentanoyl)-4-methylpiperidine-2-carboxylic acid
CAS:74863-84-6
Argatroban (Anhydrous)
ATB00A

(2R,4R)-1-((S)-5-Guanidino-2-(3-methyl-1,2,3,4-tetrahydroquinoline-8-sulfonamido)pentanoyl)-4-methylpiperidine-2-carboxylic acid monohydrate
CAS:141396-28-3
Argatroban (Monohydrate)
ATB00M

(2R,4R)-1-((S)-5-GUANIDINO-2-(3-METHYLQUINOLINE-8-SULFONAMIDO)PENTANOYL)-4-METHYLPIPERIDINE-2-CARBOXYLIC ACID
CAS:951130-92-0
Argatroban RC 28 1,2,3,4-Tetradehydro Argatroban
ATB88

(2R,4R)-1-((S)-5-Guanidino-2-(4-hydroxy-3-methyl-1,2,3,4-tetrahydroquinoline-8-sulfonamido)pentanoyl)-4-methylpiperidine-2-carboxylic acid
Argatroban RC 10
ATB70

(2R,4R)-1-[N8-amino-N2-(3-methylquinoline-8-sulfonyl)-L-arginyl]-4-methylpiperidine-2carboxylic acid
Argatroban USP RC C
ATB23

(2R,4R)-2-[2-[(1S,2S,6R,8S,8aR)-2,6-dimethyl-8-[[(2S)-2-methylbutanoyl] oxy]-1,2,6,7,8,8a-hexahydronaphthalen-1-yl]ethyl]-6-oxo tetrahydro-2H-pyran-4-yl(3R,5R)-7-[(1S,2S,6R,8S,8aR)-2,6-dimethyl-8-[[(2S)-2-methyl butanoyl] oxy]-1,2,6,7,8,8a-hexahydronaphth
CAS:149756-62-7
Lovastatin EP Impurity D Lovastatin Dimer
LVS04

(2R,4R)-2-Hydroxy-2,6-dimethyl-4-((S)-2-((S)-4-methyl-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamido)-3-phenylpropanamido)-3-oxoheptyl acetate
Carfilzomib (2R,4R)-2-Hydroxy O-Acetatyl Impurity
CZM61

(2R,4R)-4-Methyl-1-((S)-2-(3-methyl-1,2,3,4-tetrahydroquinoline-8-sulfonamido)-5-(3-nitroguanidino)pentanoyl)piperidine-2-carboxylic acid
CAS:1448301-07-2
Argatroban RC 5 Argatroban Nitroamino
ATB65

(2R,4R)-4-Methyl-1-((S)-2-(3-methyl-1,2,3,4-tetrahydroquinoline-8-sulfonamido)-5-(3-nitrosoguanidino)pentanoyl)piperidine-2-carboxylic acid
Argatroban RC 25
ATB85

(2R,4R)-4-Methyl-1-((S)-2-(3-methylquinoline-8-sulfonamido)5-(3-nitroguanidino)pentanoyl)piperidine-2-carboxylic acid
CAS:74874-10-5
Argatroban USP RC A
ATB21

(2R,4R)-5-([1,1-Biphenyl]-4-yl)-4-(tert-butoxycarbonyl)amino-2-methylpentanoic acid
CAS:1012341-56-8
Sacubitril RC 6
SCT76

(2R,4R)-5-(Biphenyl-4-yl)-4-[(3-carboxypropionyl)amino]-2-methylpentanoic acid ethyl ester
CAS:766480-48-2 2259708-00-2
Sacubitril (2R,4R)-Isomer (Acid) Sacubitril 4-Epi
SCT51A

(2R,4R)-5-(Biphenyl-4-yl)-4-[(3-carboxypropionyl)amino]-2-methylpentanoic acid ethyl ester calcium salt
Sacubitril (2R,4R)-Isomer (Calcium) Sacubitril Ca
SCT51C

(2R,4R)-Benzyl 1-((S)-2-(tert-butoxycarbonyl)-5-(3-nitroguanidino)pentanoyl)-4-methylpiperidine-2-carboxylate
CAS:367952-82-7
Argatroban RC 13
ATB73

(2R,4R)-Ethyl 1-((S)-2-amino-5-(3-nitroguanidino)pentanoyl)-4-methylpiperidine-2-carboxylate
CAS:79672-38-1
Argatroban RC 9 (Base)
ATB69B

(2R,4R)-Ethyl 1-((S)-2-amino-5-(3-nitroguanidino)pentanoyl)-4-methylpiperidine-2-carboxylate dihydrochloride
CAS:1401618-18-5
Argatroban RC 9 (2HCl)
ATB69X

(2R,4R)-Ethyl 1-((S)-2-amino-5-(3-nitroguanidino)pentanoyl)-4-methylpiperidine-2-carboxylate hydrochloride
CAS:74874-08-1
Argatroban RC 9 (HCl)
ATB69H

(2R,4R)-Ethyl 1-((S)-5-guanidino-2-(3-methyl-1,2,3,4-tetrahydroquinoline-8-sulfonamido)pentanoyl)-4-methylpiperidine-2-carboxylate
Argatroban RC 3 Argatroban Ethyl Ester
ATB63

(2R,4R)-Ethyl 1-((S)-5-guanidino-2-(6-hydroxy-3-methyl-1,2,3,4-tetrahydroquinoline-8-sulfonamido)pentanoyl)-4-methylpiperidine-2-carboxylate
Argatroban RC 4
ATB64

(2R,4R)-Ethyl 4-methyl-1-((S)-2-(3-methylquinoline-8-sulfonamido)-5-(3-nitroguanidino)pentanoyl)piperidine-2-carboxylate
CAS:74874-09-2
Argatroban RC 23
ATB83

(2R,4R)-ETHYL 4-METHYLPIPERIDINE-2-CARBOXYLATE
CAS:74892-82-3
Argatroban RC 17
ATB77

(2R,4R)-rel-1,2,3,4-Tetrahydro-6-methyl-2,4-bis(2-nitrophenyl)-5-pyrimidine carboxylic acid methyl ester
CAS:80742-11-6
Nifedipine Pyrimidine Impurity
NFD52

(2R,4R,5Z)-2-(Carboxymethyl)-5-(2-hydroxyethylidene)-3-[[(2R,3Z,5R)-3-(2-hydroxyethylidene)-7-oxo-4-oxa-1-azabicyclo[3.2.0]hept-2-yl]carbonyl] oxazolidine-4-carboxylic acid
CAS:1260617-10-4
Clavulanate Potassium EP Impurity E
CVL05

(2R,4S)-2-((R)-Carboxy((R)-2-(1-ethyl-2,3-dioxopiperazine-4-carboxamido)-2-phenylacetamido)methyl)-3-((2S,5R,6R)-6-((R)-2-(1-ethyl-2,3-dioxopiperazine-4-carboxamido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carbonyl)-5,5-
CAS:2170771-53-4
Piperacillin Dimer
PPR50

(2R,4S)-2-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-ylmethyl)-1,3-dioxolane-4-methanol
CAS:61397-58-8
Ketoconazole Hydroxymethyl Impurity
KCZ50

(2R,4S)-2-Hydroxy-2,6-dimethyl-4-((S)-2-((S)-4-methyl-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamido)-3-phenylpropanamido)-3-oxoheptyl acetate
CAS:1541171-69-0
Carfilzomib (2R,4S)-2-Hydroxy O-Acetyl Impurity
CZM62

(2R,4S)-4-(3,4-Dichlorophenyl)-2-hydroxy-3,4-dihydronaphthalen-1(2H)-one
CAS:124345-10-4
Sertraline RC 4
STL64

(2R,4S)-4-[(3-Carboxy-1-oxopropyl)amino]-4-[(p-phenylphenyl)methyl]-2-methylbutanoic acid
CAS:149709-44-4
Sacubitril Desethyl Impurity Sacubitrilat Sacubi
SCT62

(2R,4S)-4-Cyclohexyl-1-[[(R)-[(1S)-2-methyl-1-(1-oxopropoxy)propoxy](4-phenylbutyl)phosphoryl] acetyl]pyrrolidine-2-carboxylic acid
Fosinopril EP Impurity H
FSN08

(2R,4S)-4-Methyl-1-((S)-2-(3-methylquinoline-8-sulfonamido)-5-(3-nitroguanidino)pentanoyl)piperidine-2-carboxylic acid
Argatroban RC 12 (2R)-N-Nitro Argatroban
ATB72

(2R,4S)-5-([1,1'-BIPHENYL]-4-YL)-4-((TERT-BUTOXYCARBONYL)AMINO)-2-METHYLPENTANOIC ACID
CAS:1012341-50-2
Sacubitril AHU-84
SCT70

(2R,4S)-5-([1,1'-BIPHENYL]-4-YL)-4-(2,5-DIOXOPYRROLIDIN-1-YL)-2-METHYLPENTANOIC ACID
CAS:1639970-62-9
Sacubitril RC 5 Sacubitril Acid Dioxopyrrolidinyl
SCT75

(2R,4S)-5-([1,1'-Biphenyl]-4-yl)-4-[(3-carboxypropionyl)amino]-2-methylpentanoic acid isopropyl ester
Sacubitril RC 8 (Acid) Sacubitril Isopropyl Ester
SCT78A

(2R,4S)-5-([1,1'-Biphenyl]-4-yl)-4-[(3-carboxypropionyl)amino]-2-methylpentanoic acid isopropyl ester calcium salt
Sacubitril RC 8 (Calcium) Sacubitril Isopropyl Es
SCT78C

(2R,4S)-5-([1,1'-BIPHENYL]-4-YL)-4-AMINO-2-METHYLPENTANOIC ACID HYDROCHLORIDE
CAS:1038924-71-8
Sacubitril RC 12 (HCl)
SCT82H

(2R,4S)-5-(Biphenyl-4-yl)-4-(2,5-dioxopyrrolidin-1-yl)-2-methylpentanoic acid ethyl ester
CAS:1038924-97-8
Sacubitril 2,5-Dioxopyrrolidine
SCT61

(2R,4S)-5-(BIPHENYL-4-YL)-4-[(3-CARBOXYPROPIONYL)AMINO]-2-METHYLPENTANOIC ACID ETHYL ESTER
CAS:149709-62-6
Sacubitril (Acid) (2R,4S)-Sacubitril
SCT00A

(2R,4S)-5-(BIPHENYL-4-YL)-4-[(3-CARBOXYPROPIONYL)AMINO]-2-METHYLPENTANOIC ACID ETHYL ESTER CALCIUM SALT
CAS:1369773-39-6
Sacubitril (Calcium) (2R,4S)-Sacubitril Calcium
SCT00C

(2R,4S)-5-(BIPHENYL-4-YL)-4-[(TERT-BUTOXYCARBONYL)AMINO]-2-METHYLPENTANOIC ACID ETHYL ESTER
CAS:149709-60-4
Sacubitril RC 13 Sacubitril t-Butyl Ester
SCT83

(2R,4S)-Ethyl 4-methyl-1-((S)-1-phenylethyl)piperidine-2-carboxylate
CAS:1350815-39-2
Argatroban RC 16
ATB76

(2R,4S)-Ethyl 4-methylpiperidine-2-carboxylate
CAS:79199-61-4
Argatroban RC 18
ATB78

(2R,4S,4aS,5aR,6S,7S,8R,9S,9aR,10aS)-2-Methyl-6,8-bis(methylamino)decahydro-2H-pyrano[2,3-b][1,4]benzodioxine-4,4a,7,9-tetrol dihydrochloride
CAS:56845-72-8
Spectinomycin EP Impurity C (2HCl) (4S)-Dihydroxy
SMC03H

(2R,5R,6R)-3,3-Dimethyl-6-(5-methyl-3-phenylisoxazole-4-carboxamido)-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carbothioic S-acid
Oxacillin EP Impurity F Thiooxacillin
OXL06A

(2R,5RS)-2-[(R)-[[(2R)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino]carboxymethyl]-5-methyl-5,6-dihydro-2H-1,3-thiazine-4-carboxylic acid
CAS:147103-96-6
Cefadroxil EP Impurity C
CDX03

(2R,5S)-((1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl) 5-hydroxy-1,3-oxathiolane-2-carboxylate
CAS:147027-08-5
Lamivudine Impurity 1
LMV61

(2R,5S)-2-(4-HYDROXYBENZYL)-N,5-BIS(4-FLUOROPHENYL)-5-HYDROXYPENTANAMIDE
CAS:1197811-72-5
Ezetimibe Open-Ring Amide
EZT52

(2R,5S)-5-(4-Amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylic acid
CAS:173829-09-9
Lamivudine EP Impurity A Lamivudine USP RC A Lam
LMV01

(2R,5S)-5-(4-AMINO-5-FLUORO-2-OXO-1(2H)-PYRIMIDINYL)-1,3-OXATHIOLANE-2-CARBOXYLIC ACID
CAS:1238210-10-0
Emtricitabine IP Impurity A Emtricitabine Carboxy
EMT51

(2R,5S)-5-(4-AMINO-5-FLUORO-2-OXO-1(2H)-PYRIMIDINYL)-1,3-OXATHIOLANE-2-CARBOXYLIC ACID (1R,2S,5R)-5-METHYL-2-(1-METHYLETHYL)CYCLOHEXYL ESTER
CAS:764659-72-5
Emtricitabine Menthyl Ester
EMT78

(2R,5S)-5-(4-Fluorophenyl)-2-((S)-(4-fluorophenylamino)(4-hydroxyphenyl) methyl)-5-hydroxypentanoic acid
CAS:1391053-63-6 (rel.)
Ezetimibe Open-Ring Acid Ezetimibe Azetidinone Ri
EZT50

(2R,5S)-5-(4-Fluorophenyl)-2-((S)-(4-fluorophenylamino)(4-hydroxyphenyl) methyl)-5-hydroxypentanol
CAS:1374250-08-4
Ezetimibe Open-Ring Alcohol Ezetimibe Triol Impur
EZT60

(2R,5S,8S,17S)-17-((R)-4-Amino-2-((S)-2-decanamido-3-(1H-indol-3-yl)propanamido)-4-oxobutanamido)-8-(3-aminopropyl)-5-(carboxymethyl)-14-((R)-1-hydroxyethyl)-2-methyl-4,7,10,13,16-pentaoxo-3,6,9,12,15-pentaazanonadecane-1,19-dioic trifluoroacetic acid sal
Daptomycin Impurity B1-II Decanoyl-Trp-(D-Asn)-As
DPT62T

(2R,aR,a�R,2�R)-a,a�-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]
Nebivolol (R,R,R,R)-Isomer
NBV51

(2R,aR,a�R,2�S)-a,a�-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]
Nebivolol (R,R,R,S)-Isomer
NBV52

(2R,aR,a�S,2�R)-a,a�-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]
CAS:920275-20-3
Nebivolol (R,R,S,R)-Isomer
NBV53

(2R,aR,a�S,2�S)-a,a�-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]
CAS:1360598-84-0
Nebivolol (R,R,S,S)-Isomer
NBV54

(2R,aS,a�R,2�R)-a,a�-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]
Nebivolol (R,S,R,R)-Isomer
NBV55

(2R,aS,a�R,2�S)-a,a�-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]
CAS:119365-24-1
Nebivolol (R,S,R,S)-Isomer
NBV56

(2R,aS,a�S,2�R)-a,a�-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]
Nebivolol (R,S,S,R)-Isomer
NBV57

(2R,aS,a�S,2�S)-a,a�-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]
CAS:920299-33-8
Nebivolol (R,S,S,S)-Isomer
NBV58

(2R,E)-2-((2-(Methoxyimino)-2-(2-methylthiazol-4-yl)acetamido)methyl)-3,4-dihydro-2H-1,3-thiazine-4-carboxylic acid
Ceftizoxime RC 6
CFX66A

(2R-cis)-[5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolan-2-yl] methyl �-D-glucopyranosiduronic acid
CAS:152128-78-4
Emtricitabine O-�-D-Glucuronide (Acid)
EMT90A

(2R-cis)-[5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolan-2-yl] methyl �-D-glucopyranosiduronic acid sodium salt
Emtricitabine O-�-D-Glucuronide Sodium Salt
EMT90N

(2RS)-(1-Hydroxycyclopentyl)(phenyl)acetic Acid
CAS:25209-52-3
Cyclopentolate EP Impurity A
CPL01

(2RS)-(2-Chlorophenyl)[6,7-dihydro thieno [3,2-c]pyridin-5(4H)-yl]acetic acid
CAS:90055-55-3
Clopidogrel Acid Racemate (Base) Clopidogrel Meta
CPG43B

(2RS)-(2-Chlorophenyl)[6,7-dihydro thieno [3,2-c]pyridin-5(4H)-yl]acetic acid HCl
CAS:1015247-88-7
Clopidogrel Acid Racemate (HCl) Clopidogrel Metab
CPG43H

(2RS)-(4-Amino-2-chloro-5-methylphenyl)(4-chlorophenyl)ethanenitrile
CAS:61437-85-2
Closantel EP Impurity B
CSX02

(2RS)-[1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropyl] (hydroxy) acetic acid
CAS:2045402-27-3
Montelukast EP Impurity I Montelukast alpha-Hydro
MTL09

(2RS)-[2-Chloro-4-[(2-hydroxy-3,5-diiodobenzoyl)amino]-5-methylphenyl](4-chlorophenyl)acetic acid
Closantel EP Impurity C Descyano Closantel Carbox
CSX03

(2RS)-1-(1H-Indol-4-yloxy)-3-[(1-methylethyl)amino]propan-2-ol
CAS:13523-86-9
Pindolol
PDL00

(2RS)-1-(2,6-Dimethylphenoxy)propan-2-amine hydrochloride
CAS:1/4/5370
Mexiletine HCl
MLT00H

(2RS)-1-(4-Ethylphenoxy)-3-[(1-methylethyl)amino] propan-2-ol
CAS:67193-95-7
Betaxolol EP Impurity A (Base)
BTX01B

(2RS)-1-(4-Ethylphenoxy)-3-[(1-methylethyl)amino] propan-2-ol hydrochloride
CAS:464877-45-0
Betaxolol EP Impurity A (HCl)
BTX01H

(2RS)-1-(9H-Carbazol-4-yloxy)-3-[[2-(2-(2-aminoethyl)oxyphenoxy)-ethyl] amino] propan-2-ol
CAS:1391052-10-0
Carvedilol O-Desmethyl O-Aminoethyl Impurity
CVD44

(2RS)-1-(9H-Carbazol-4-yloxy)-3-[[2-(2-benzyloxyphenoxy)-ethyl]amino] propan-2-ol
CAS:72955-92-1
Carvedilol O-Desmethyl O-Benzyl Impurity
CVD39

(2RS)-1-(9H-Carbazol-4-yloxy)-3-[[2-(2-hydroxyphenoxy)-ethyl] amino] propan-2-ol
CAS:72956-44-6
Carvedilol O-Desmethyl Impurity
CVD45

(2RS)-1-(9H-Carbazol-4-yloxy)-3-[[2-(2-methoxy-4-benzyloxyphenoxy)-ethyl]amino] propan-2-ol
CAS:887352-95-6
Carvedilol p-Benzyloxy Impurity 4�-Benzyloxy Carv
CVD40

(2RS)-1-(9H-Carbazol-4-yloxy)-3-[[2-(2-methoxyphenoxy)-ethyl]amino] propan-2-ol
CAS:72956-09-3
Carvedilol
CVD00

(2RS)-1-(Ethylamino)-3-[[4-(morpholin-4-yl)-1,2,5-thiadiazol-3-yl]oxy]propan-2-ol
CAS:2469037-77-0
Timolol EP Impurity I Timolol BP Impurity I
TML09B

(2RS)-1-(Ethylamino)-3-[4-(2-methoxyethyl)phenoxy]propan-2-ol
CAS:109632-08-8
Metoprolol EP Impurity A Metoprolol USP RC A
MTP01

(2RS)-1-(ISOPROPYLAMINO)-3-(4-METHYLPHENOXY)PROPAN-2-OL
CAS:5790-46-5
Bisoprolol EP Impurity R (Base) Bisoprolol USP RC
BSP18B

(2RS)-1-(Isopropylamino)-3-(4-methylphenoxy)propan-2-ol fumarate
Bisoprolol EP Impurity R (Fumarate) Bisoprolol US
BSP18F

(2RS)-1-(Isopropylamino)-3-(4-methylphenoxy)propan-2-ol HCl
CAS:2/3/2934
Bisoprolol EP Impurity R (HCl) Bisoprolol USP RC
BSP18H

(2RS)-1-[(1,1-Dimethylethyl)amino]-3-(naphthalen-1-yloxy)propan-2-ol
CAS:2116-22-5
Nadolol EP Impurity F Nadolol USP RC F
NDL06B

(2RS)-1-[(1,1-Dimethylethyl)amino]-3-(naphthalen-1-yloxy)propan-2-ol HCl
CAS:15230-34-9
Nadolol EP Impurity F (HCl) Nadolol USP RC F (HCl
NDL06H

(2RS)-1-[(1,1-dimethylethyl)amino]-3-[(5,6,7,8tetrahydronaphthalen-1-yl)oxy]propan-2-ol.
CAS:33841-03-1
Nadolol EP Impurity G
NDL07

(2RS)-1-[(1-Methylethyl)amino]-3-(naphthalen-1-yloxy)propan-2-ol hydrochloride
CAS:318-98-9
Propranolol HCl
PPN00H

(2RS)-1-[(1-Methylethyl)amino]-3-[2-(prop-2-enyl)phenoxy]propan-2-ol
CAS:13655-52-2
Alprenolol (Base)
APL00B

(2RS)-1-[(1-Methylethyl)amino]-3-[2-(prop-2-enyl)phenoxy]propan-2-ol hydrochloride
CAS:13707-88-5
Alprenolol (HCl) Alprenolol Hydrochoride
APL00H

(2RS)-1-[(1-Methylethyl)amino]-3-phenoxypropan- 2-ol
CAS:7695-63-8
Metoprolol EP Impurity F
MTP06

(2RS)-1-[2-(2-METHOXYETHYL)PHENOXY]-3-[(1-METHYLETHYL)AMINO]PROPAN-2-OL
CAS:163685-38-9
Metoprolol EP Impurity E
MTP05

(2RS)-1-[4-(((2-ISOPROPOXY-ETHOXY)METHOXY)METHYL)PHENOXY]-3- (ISOPROPYL-AMINO)-2-PROPANOL
CAS:1215342-36-1
Bisoprolol EP Impurity G
BSP07B

(2RS)-1-[4-((2-ETHOXYETHOXY)METHYL)PHENOXY]-3-(ISOPROPYLAMINO)-2-PROPANOL
CAS:1346601-75-9
Bisoprolol EP Impurity N (Base)
BSP14B

(2RS)-1-[4-((2-Ethoxyethoxy)methyl)phenoxy]-3-(isopropylamino)-2-propanol fumarate salt
Bisoprolol EP Impurity N (Fumarate)
BSP14F

(2RS)-1-[4-(2-Butoxyethyl)phenoxy]-3-[(1-methylethyl)-amino]propan-2-ol
CAS:1329613-85-5
Betaxolol EP Impurity E (Base)
BTX05B

(2RS)-1-[4-(2-Butoxyethyl)phenoxy]-3-[(1-methylethyl)-amino]propan-2-ol hydrochloride
Betaxolol EP Impurity E (HCl)
BTX05H

(2RS)-1-[4-(2-Hydroxyethyl)phenoxy]-3-[(1-methylethyl)amino]propan-2-ol
CAS:62572-94-5
Betaxolol EP Impurity B Metoprolol EP Impurity H
BTX02

(2RS)-1-[4-[2-(Cyclopropylmethoxy)ethyl]phenoxy]-3-[(1-methylethyl)amino] propan-2-ol
CAS:63659-18-7
Betaxolol (Base)
BTX00B

(2RS)-1-[4-[2-(Cyclopropylmethoxy)ethyl]phenoxy]-3-[(1-methylethyl)amino] propan-2-ol hydrochloride
CAS:63659-19-8
Betaxolol HCl
BTX00H

(2RS)-1-[4-[2-(Dimethylamino)ethoxy]phenyl]-2-phenylbutan-1-one
CAS:68047-07-4
Tamoxifen EP Impurity G (Base)
TMX07B

(2RS)-1-[4-[2-(Dimethylamino)ethoxy]phenyl]-2-phenylbutan-1-one hydrochloride
Tamoxifen EP Impurity G (HCl)
TMX07H

(2RS)-1-BROMO-2-(2,4-DIFLUOROPHENYL)-3-(1H-1,2,4-TRIAZOL-1-YL)PROPAN-2-OL
CAS:150194-52-8
Fluconazole EP Impurity H Fluconazole Bromo Impur
FLC08

(2RS)-1-Butyl-N-(2,6-dimethylphenyl)piperidine-2-carboxamide
CAS:38396-39-3
Bupivacaine (Base)
BVC00B

(2RS)-1-Butyl-N-(2,6-dimethylphenyl)piperidine-2-carboxamide hydrochloride
CAS:18010-40-7 14252-80-3
Bupivacaine (HCl) Bupivacaine Hydrochloride
BVC00H

(2RS)-1-Butyl-N-(2,6-dimethylphenyl)piperidine-2-carboxamide hydrochloride monohydrate
CAS:73360-54-0
Bupivacaine (HCl Monohydrate) Bupivacaine HCl Mon
BVC00X

(2RS)-1-Carbamoyl-2-[4-[2-(5-ethylpyridin-2-yl) ethoxy] phenyl] ethylsulfonic acid
CAS:625853-73-8
Pioglitazone Sulfonic Acid
PGT38

(2RS)-1-CHLORO-3-(1H-INDOL-4-YLOXY)PROPAN-2-OL
CAS:130115-66-1
Pindolol EP Impurity F
PDL06

(2RS)-1-Isopropylamino-3-[4-(2-methoxyethoxy)methyl]-phenoxy-2-propanol fumarate
CAS:1346604-00-9
Bisoprolol EP Impurity Q
BSP17F

(2RS)-2,4-DIHYDROXY-N-(3-HYDROXYPROPYL)-3,3-DIMETHYLBUTANAMIDE
CAS:16485-10-2
Dexpanthenol Racemate
DPN02

(2RS)-2,6-DICHLORO-N-(2,6-DIMETHYLPHENYL)HEXANAMIDE
CAS:1037184-07-8
Bupivacaine EP Impurity D Levobupivacaine Impurit
BVC04

(2RS)-2-(2,4-Dichlorophenyl)-2-(prop-2-enyloxy)-ethanamine
Enilconazole EP Impurity A
ENX01

(2RS)-2-(2,4-DIFLUOROPHENYL)-1-(1H-1,2,4-TRIAZOL-1-YL)-3-(4H-1,2,4-TRIAZOL-4-YL)PROPAN-2-OL
CAS:89429-59-4
Fluconazole EP Impurity A Fluconazole Triazole Is
FLC01

(2RS)-2-(2,4-DIFLUOROPHENYL)-3-(1H-1,2,4-TRIAZOL-1-YL)PROPANE-1,2-DIOL
CAS:118689-07-9
Fluconazole EP Impurity F Fluconazole Diol Impuri
FLC06

(2RS)-2-(2,6-Dimethylphenoxy)propan-1-amine
CAS:26583-71-1
Mexiletine EP Impurity D
MLT04B

(2RS)-2-(2-FLUOROBIPHENYL-4-YL)-2-HYDROXYPROPANOIC ACID
CAS:61466-95-3
Flurbiprofen EP Impurity C a-Hydroxy Flurbiprofen
FLB03

(2RS)-2-(2-Fluorobiphenyl-4-yl)propanoic acid
CAS:5104-49-4
FLURBIPROFEN
FLB00

(2RS)-2-(2-Fluorobiphenyl-4-yl)propanoic acid 2-propane-1,3-diol ester
CAS:124635-86-5
Flurbiprofen 2-Glyceryl Ester
FLB52

(2RS)-2-(2-OXOPYRROLIDIN-1-YL)BUTANOIC ACID
CAS:67118-31-4
Levetiracetam EP Impurity A Levetiracetam Carboxy
LET01

(2RS)-2-(3,4-Dimethoxyphenyl)-2-[2-[[2-(3,4-dimethoxyphenyl)ethyl] (methyl)amino]ethyl]-3-methylbutanenitrile
CAS:2893-91-6
Verapamil EP Impurity I (Base) Verapamil USP RC B
VRP09B

(2RS)-2-(3,4-Dimethoxyphenyl)-2-[2-[[2-(3,4-dimethoxyphenyl)ethyl] (methyl)amino]ethyl]-3-methylbutanenitrile hydrochloride
CAS:1794-55-4
Verapamil EP Impurity I (HCl) Verapamil USP RC B
VRP09H

(2RS)-2-(3,4-Dimethoxyphenyl)-3-methylbutanenitrile
CAS:20850-49-1
Verapamil EP Impurity K
VRP11

(2RS)-2-(3,4-Dimethoxyphenyl)-5-(methylamino)-2-(1-methylethyl) pentanenitrile
CAS:34245-14-2
Verapamil EP Impurity F (Base) Verapamil USP RC A
VRP06B

(2RS)-2-(3,4-Dimethoxyphenyl)-5-(methylamino)-2-(1-methylethyl) pentanenitrile hydrochloride
CAS:67775-97-7
Verapamil EP Impurity F (HCl) Verapamil USP RC A
VRP06H

(2RS)-2-(3,4-Dimethoxyphenyl)-5-[[2-(3,4-dimethoxyphenyl)ethyl] (methyl)amino]-2-ethylpentanenitrile
CAS:67018-83-1
Verapamil EP Impurity H
VRP08B

(2RS)-2-(3,4-Dimethoxyphenyl)-5-[[2-(3,4-dimethoxyphenyl)ethyl] (methyl)amino]-2-ethylpentanenitrile hydrochloride
CAS:190850-49-8
Verapamil EP Impurity H (HCl)
VRP08H

(2RS)-2-(3,4-Dimethoxyphenyl)-5-[[2-(3,4-dimethoxyphenyl)ethyl](methyl) amino]-2-(1-methyl-ethyl)pentanenitrile hydrochloride
CAS:152-11-4
Verapamil HCl
VRP00H

(2RS)-2-(3,4-Dimethoxyphenyl)-5-[[2-(3,4-dimethoxyphenyl)ethyl](methyl)amino]-2-propylpentanenitrile
CAS:959011-16-6
Verapamil EP Impurity O (Base)
VRP15B

(2RS)-2-(3,4-Dimethoxyphenyl)-5-[[2-(3,4-dimethoxyphenyl)ethyl](methyl)amino]-2-propylpentanenitrile HCl
Verapamil EP Impurity O (HCl)
VRP15H

(2RS)-2-(3,4-Dimethoxyphenyl)-5-[[2-(3,4-dimethoxyphenyl)ethyl]amino]-2-(1-methylethyl)pentanenitrile
CAS:67018-85-3
Verapamil EP Impurity J
VRP10B

(2RS)-2-(3,4-Dimethoxyphenyl)-5-[[2-(3,4-dimethoxyphenyl)ethyl]amino]-2-(1-methylethyl)pentanenitrile hydrochloride
CAS:67812-42-4
Verapamil EP Impurity J (HCl)
VRP10H

(2RS)-2-(3-BENZOYLPHENYL)PROPANAMIDE
CAS:59512-16-2
Ketoprofen EP Impurity E Ketoprofen Amide
KTP05

(2RS)-2-(3-Benzoylphenyl)propanenitrile
CAS:42872-30-0
Ketoprofen EP Impurity F Ketoprofen USP RC F
KTP06

(2RS)-2-(3-Benzoylphenyl)propanoic acid
CAS:22071-15-4
Ketoprofen
KTP00

(2RS)-2-(3-Benzoylphenyl)propanoic acid D-glucosamine salt
Ketoprofen D-Glucosamine Salt
KTP60

(2RS)-2-(3-Benzoylphenyl)propanoic acid ethyl ester
CAS:60658-04-0
Ketoprofen ethyl ester
KTP52

(2RS)-2-(3-Benzoylphenyl)propanoic acid L-proline salt
Ketoprofen L-Proline Salt
KTP61

(2RS)-2-(3-Benzoylphenyl)propanoic acid methyl ester
CAS:47087-07-0
Ketoprofen Methyl Ester
KTP51

(2RS)-2-(3-Benzoylphenyl)propanoic acid trans-4-hydroxy-L-proline salt
Ketoprofen trans-4-Hydroxy-L-Proline Salt
KTP62

(2RS)-2-(4-BUTYLPHENYL)PROPANOIC ACID
CAS:3585-49-7
Ibuprofen EP Impurity B (Acid)
IBP02A

(2RS)-2-(4-Butylphenyl)propanoic acid sodium salt
Ibuprofen EP Impurity B (Sodium Salt)
IBP02N

(2RS)-2-(4-CYCLOHEXYL-1-NAPHTHYL)PROPANOIC ACID
CAS:71109-09-6
Vedaprofen
VPF00

(2RS)-2-(4-ETHYLPHENYL)PROPANOIC ACID
CAS:3585-52-2
Ibuprofen EP Impurity N (Acid) Ibuprofen BP Impur
IBP14A

(2RS)-2-(4-Ethylphenyl)propanoic acid sodium salt
Ibuprofen EP Impurity N (Sodium Salt) Ibuprofen B
IBP14N

(2RS)-2-(4-FORMYLPHENYL)PROPANOIC ACID
CAS:43153-07-7
Ibuprofen EP Impurity K Ibuprofen BP Impurity K
IBP11

(2RS)-2-(4-METHYLPHENYL)PROPANOIC ACID
CAS:938-94-3
Ibuprofen EP Impurity D
IBP04

(2RS)-2-(5-BENZOYLTHIOPHEN-2-YL)PROPANOIC ACID
CAS:33005-95-7
Tiaprofenic Acid
TPF00

(2RS)-2-(5-Benzoylthiophen-3-yl)propanoic acid
CAS:78239-47-1
Tiaprofenic Acid EP Impurity C
TPF03

(2RS)-2-(6-CHLORO-9H-CARBAZOL-2-YL)PROPANOIC ACID
CAS:53716-49-7
Carprofen
CRN00

(2RS)-2-(6-Methoxynaphthalen-2-yl)propanoic acid
CAS:23981-80-8
Naproxen Racemate DL-Naproxen
NPX30

(2RS)-2-(9H-Carbazol-2-yl)propanoic acid
CAS:52263-68-0
Carprofen EP Impurity B
CRN02

(2RS)-2-(BIPHENYL-4-YL)PROPANOIC ACID
CAS:6341-72-6
Flurbiprofen EP Impurity A Biprofen Flurbiprofen
FLB01

(2RS)-2-(Dimethylamino)-2-phenylbutanol
CAS:39068-94-5
Trimebutine EP Impurity A
TMN01

(2RS)-2-(Dimethylamino)-2-phenylbutyl 3,4,5-trimethoxybenzoate
CAS:39133-31-8
Trimebutine (Base)
TMN00B

(2RS)-2-(Dimethylamino)-2-phenylbutyl 3,4,5-trimethoxybenzoate (Z)-butenedioate
CAS:34140-59-5
Trimebutine (Maleate) Trimebutine Maleate
TMN00M

(2RS)-2-(Methylamino)-2-phenylbutyl 3,4,5-trimethoxybenzoate
CAS:84333-59-5
Trimebutine EP Impurity E N-Demethyl Trimebutine
TMN05B

(2RS)-2-(Methylamino)-2-phenylbutyl 3,4,5-trimethoxybenzoate hydrochloride
CAS:294882-33-0
Trimebutine EP Impurity E (HCl) N-Demethyl Trimeb
TMN05H

(2RS)-2-(Thiophen-2-yl)propanoic acid
CAS:54955-39-4
Tiaprofenic Acid EP Impurity E
TPF05

(2RS)-2-[(1,2-Diphenyldiazanyl)carbonyl]hexanoic Acid
CAS:3583-64-0
Phenylbutazone EP Impurity A Bumadizon
PHB01

(2RS)-2-[(2,4-Dichlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethanamine
CAS:67358-54-7
Miconazole EP Impurity C (Base) Miconazole USP RC
MCN03B

(2RS)-2-[(2,4-Dichlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethanamine HCl
Miconazole EP Impurity C (HCl) Miconazole USP RC
MCN03H

(2RS)-2-[(2,6-Dichlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethanamine
CAS:1305320-62-0
Isoconazole EP Impurity C Isoconazole Nitrate EP
ISZ03

(2RS)-2-[(2-Amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy]-3-hydroxypropyl propionate
CAS:194159-18-7
Ganciclovir EP Impurity B Valganciclovir EP Impu
GCC02

(2RS)-2-[(4-Chlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethanamine
CAS:2334059-11-7
Econazole EP Impurity B (Base) Econazole USP RC B
ECZ02B

(2RS)-2-[(4-Chlorobenzyl)oxy]-2-(2,4-dichlorophenyl)ethanamine Nitrate
Econazole EP Impurity B (Nitrate) Econazole USP R
ECZ02N

(2RS)-2-[[2-[[[(1E)-5-Methoxy-1-[4-(trifluoromethyl)-phenyl]pentylidene]amino]oxy] ethyl]amino]butanedioic acid
CAS:259526-43-7
Fluvoxamine EP Impurity C N-(2-Succinyl) Fluvoxam
FVX03

(2RS)-2-[[4-[2-(Cyclopropylmethoxy)ethyl]phenoxy]-methyl]oxirane
CAS:63659-17-6
Betaxolol EP Impurity C
BTX03

(2RS)-2-[2-(DIMETHYLAMINO)ETHYL]INDAN-1-ONE
CAS:3409-21-0
Dimetindene EP Impurity E (Base) Dimethindene EP
DTD05B

(2RS)-2-[2-(DIMETHYLAMINO)ETHYL]INDAN-1-ONE HYDROCHLORIDE
CAS:5143-99-7
Dimetindene EP Impurity E (HCl) Dimethindene EP I
DTD05H

(2RS)-2-[3-(2,4,5-TRIMETHYLBENZOYL)PHENYL]PROPANOIC ACID
CAS:1797984-80-5
Ketoprofen EP Impurity L (Acid)
KTP12A

(2RS)-2-[3-(2,4,5-Trimethylbenzoyl)phenyl]propanoic acid sodium salt
Ketoprofen EP Impurity L (Sodium)
KTP12N

(2RS)-2-[3-(2,4-DIMETHYLBENZOYL)PHENYL]PROPANOIC ACID
CAS:1785759-59-2
Ketoprofen EP Impurity J (Acid)
KTP10A

(2RS)-2-[3-(2,4-Dimethylbenzoyl)phenyl]propanoic acid sodium salt
Ketoprofen EP Impurity J (Sodium)
KTP10N

(2RS)-2-[3-(2-METHYLPROPYL)PHENYL]PROPANOIC ACID
CAS:66622-47-7
Ibuprofen EP Impurity A m-Isobutyl Ibuprofen
IBP01

(2RS)-2-[3-(4-METHYLBENZOYL)PHENYL]PROPANOIC ACID
CAS:107257-20-5
Ketoprofen EP Impurity D Ketoprofen USP RC A
KTP04

(2RS)-2-[4-(2-METHYLPROPANOYL)PHENYL]PROPANOIC ACID
CAS:65813-55-0
Ibuprofen EP Impurity J Ibuprofen USP RC J Ibup
IBP10

(2RS)-2-[4-(2-METHYLPROPYL)PHENYL]PROPAN-1-OL
CAS:36039-36-8
Ibuprofen EP Impurity P Ibuprofen BP Impurity P
IBP16

(2RS)-2-[4-(2-METHYLPROPYL)PHENYL]PROPANAMIDE
CAS:59512-17-3
Ibuprofen EP Impurity C Ibuprofen Amide
IBP03

(2RS)-2-[4-(2-Methylpropyl)phenyl]propanoic acid
CAS:15687-27-1
Ibuprofen (Acid)
IBP00A

(2RS)-2-[4-(2-Methylpropyl)phenyl]propanoic acid sodium salt
CAS:31121-93-4
Ibuprofen (Sodium)
IBP00N

(2RS)-2-Amino-3-(2,4,5-trihydroxyphenyl)propanoic acid
CAS:21373-30-8
Levodopa EP Impurity A Racemate 2-Hydroxy DL-Dopa
LDP51B

(2RS)-2-Amino-3-(4-hydroxy-3-methoxyphenyl)propanoic acid
CAS:7636-26-2
Levodopa EP Impurity C Levodopa USP RC B 3-Methy
LDP03B

(2RS)-2-Amino-3-hydroxy-2',2'-bis(2,3,4-trihydroxybenzyl) propanohydrazide
CAS:2472968-83-3
Benserazide EP Impurity B
BSR02

(2RS)-2-Amino-3-hydroxy-2'-(2,3,4-trihydroxybenzyl)propanohydrazide
CAS:322-35-0
Benserazide (Base)
BSR00B

(2RS)-2-Amino-3-hydroxy-2'-(2,3,4-trihydroxybenzyl)propanohydrazide hydrochloride
CAS:14919-77-8
Benserazide (HCl)
BSR00H

(2RS)-2-Amino-3-hydroxy-2'-[(1EZ)-(2,3,4-trihydroxybenzylidene)] propanohydrazide
CAS:787504-88-5
Benserazide EP Impurity C (Base)
BSR03B

(2RS)-2-Amino-3-hydroxy-2'-[(1EZ)-(2,3,4-trihydroxybenzylidene)] propanohydrazide HCl
Benserazide EP Impurity C (HCl)
BSR03H

(2RS)-2-Amino-3-hydroxypropanohydrazide HCl
CAS:55819-71-1
Benserazide EP Impurity A (DL)-Serine Hydrazide H
BSR01H

(2RS)-2-AMINO-4-PHENYLBUTANOIC ACID
CAS:1012-05-1
Lisinopril EP Impurity A Lisinopril CPP Impurity
LSN01

(2RS)-2-Amino-4-phenylbutanoic acid DL-Homophenylalanine
CAS:1012-05-1
Enalapril Homophenylalanine Impurity Lisinopril E
ENL15

(2RS)-2-Benzyl-4-(dimethylamino)butanoic acid
CAS:1613-23-6
Dimetindene EP Impurity D (Base) Dimethindene EP
DTD04B

(2RS)-2-BENZYL-4-(DIMETHYLAMINO)BUTANOIC ACID HYDROCHLORIDE
Dimetindene EP Impurity D (HCl) Dimethindene EP I
DTD04H

(2RS)-2-CYANO-2-PHENYLBUTANAMIDE
CAS:80544-75-8
Primidone EP Impurity D
PMD04

(2RS)-2-CYCLOPENTYL-2-PHENYLACETIC ACID
CAS:3900-93-4
Glycopyrrolate EP Impurity K
GPB11

(2RS)-2-ETHYL-2-METHYLBUTANEDIOIC ACID
CAS:631-31-2
Ethosuximide EP Impurity A Ethosuximide USP RC A
ETS01

(2RS)-2-Hydrazino-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoic acid
CAS:85933-19-3
Carbidopa USP RC A 3-O-Methyl Carbidopa Racemate
CBD21

(2RS)-2-HYDROXY-2-[4-(2-METHYLPROPYL)PHENYL]PROPANOIC ACID
CAS:60057-62-7
Ibuprofen EP Impurity M Ibuprofen BP Impurity M
IBP13

(2RS)-2-Hydroxy-2-phenylacetic acid
CAS:90-64-2
Homatropine EP Impurity C Homatropine Methylbromi
HTP03

(2RS)-2-Hydroxy-2-phenylacetic acid
CAS:90-64-2
Glycopyrrolate EP Impurity C Homatropine EP Impur
GPB03

(2RS)-2-Hydroxy-2-phenylacetic acid
CAS:90-64-2
Homatropine Methylbromide EP Impurity C Homatropi
HPM03

(2RS)-2-Methyl-1-nitroso-2,3-dihydro-1H-indole
CAS:85440-79-5
Indapamide EP Impurity A Indapamide USP RC D
IDP01

(2RS)-2-Methyl-2,3-dihydro-1H-indol-1-amine
CAS:31529-46-1
Indapamide EP Impurity C (Base) Indapamide USP RC
IDP03B

(2RS)-2-Methyl-2,3-dihydro-1H-indol-1-amine HCl
CAS:102789-79-7
Indapamide EP Impurity C (HCl) Indapamide USP RC
IDP03H

(2RS)-2-PHENYL-2,3-DIHYDRO-4H-1-BENZOPYRAN-4-ONE
CAS:487-26-3
Propafenone EP Impurity H Flavanone
PRP08

(2RS)-2-PHENYLBUTANAMIDE
CAS:90-26-6
Primidone EP Impurity C Primidone USP RC C
PMD03

(2RS)-2-PHENYLBUTANOIC ACID
CAS:90-27-7
Primidone EP Impurity E 2-Phenylbutyric Acid (USP
PMD05

(2RS)-3-((2RS,6SR)-2,6-Dimethylmorpholino)-2-methyl-1-(4-tert-pentylphenyl)propan-1-one
Amorolfine EP Impurity G
AMR07

(2RS)-3-(10,11-Dihydro-5H-dibenzo[b,f]azepin-5-yl)-N,2-dimethylpropan-1-amine
CAS:2293-21-2
Trimipramine EP Impurity B (Base) Trimipramine BP
TMP02B

(2RS)-3-(10,11-Dihydro-5H-dibenzo[b,f]azepin-5-yl)-N,2-dimethylpropan-1-amine HCl
CAS:10464-24-1
Trimipramine EP Impurity B (HCl) Trimipramine BP
TMP02H

(2RS)-3-(10,11-Dihydro-5H-dibenzo[b,f]azepin-5-yl)-N,N,2-trimethylpropan-1-amine-(Z)-butenedioate
CAS:521-78-8
Trimipramine Maleate
TMP00M

(2RS)-3-(10,11-Dihydro-5H-dibenzo[b,f]azepin-5-yl)-N,N,2-trimethylpropan-1-amine-N-oxide
CAS:14171-70-1
Trimipramine EP Impurity A Trimipramine BP Impuri
TMP01B

(2RS)-3-(1H-Indol-4-yloxy)propane-1,2-diol
CAS:61212-32-6
Pindolol EP Impurity D
PDL04

(2RS)-3-(2-Methoxyphenoxy)propane-1,2-diol
CAS:93-14-1
Guaifenesin rac-Guaifenesin
GFS00

(2RS)-3-(5H-Dibenzo[b,f]azepin-5-yl)-N,N,2-trimethylpropan-1-amine
CAS:315-69-5
Trimipramine EP Impurity C Trimipramine BP Impuri
TMP03B

(2RS)-3-(5H-Dibenzo[b,f]azepin-5-yl)-N,N,2-trimethylpropan-1-amine HCl
CAS:1159-80-4
Trimipramine EP Impurity C (HCl) Trimipramine BP
TMP03H

(2RS)-3-(Naphthalen-1-yloxy)propane-1,2-diol
CAS:36112-95-5
Propranolol EP Impurity A Propranolol Glycol
PPN01

(2RS)-3-[(1,1-Dimethylethyl)amino]-2-[[4-(morpholin-4-yl)-1,2,5-thiadiazol-3-yl]oxy]propan-1-ol
CAS:59697-06-2
Timolol EP Impurity B (Base) Timolol BP Impurity
TML02B

(2RS)-3-[(1,1-Dimethylethyl)amino]-2-[[4-(morpholin-4-yl)-1,2,5-thiadiazol-3-yl]oxy]propan-1-ol maleate
Timolol EP Impurity B (Maleate) Timolol BP Impuri
TML02M

(2RS)-3-[(1-Methylethyl)amino]propane-1,2-diol
CAS:6452-57-9
Metoprolol EP Impurity N (Base)
MTP14B

(2RS)-3-[(1-methylethyl)amino]propane-1,2-diol hydrochloride
Metoprolol EP Impurity N (HCl)
MTP14H

(2RS)-3-[(4-Fluorophenyl)sulfonyl]-2-hydroxy-2-methylpropanoic Acid
CAS:151262-57-6
Bicalutamide EP Impurity M
BCL13

(2RS)-3-[2-(prop-2-enyl)phenoxy]propan-1,2-diol
CAS:63905-22-6
Alprenolol EP Impurity A
APL01

(2RS)-3-[4-((2-ISOPROPOXYETHOXY)METHYL)PHENOXY]-1,2-PROPANEDIOL
CAS:1797024-50-0
Bisoprolol EP Impurity J
BSP10

(2RS)-3-[4-(2-METHOXYETHYL)PHENOXY]PROPANE-1,2-DIOL
CAS:62572-90-1
Metoprolol EP Impurity D
MTP04

(2RS)-3-Hydroxy-2-phenylpropanoic acid
CAS:552-63-6
Ipratropium EP Impurity C Ipratropium Bromide USP
ITP03

(2RS)-3-Hydroxy-2-phenylpropanoic acid
CAS:552-63-6
Hyoscine Butylbromide EP Impurity B Hyoscine EP I
HSB02

(2RS)-3-Hydroxy-2-phenylpropanoic acid
CAS:552-63-6
Tropicamide EP Impurity C Tropicamide USP RC C D
TPC03

(2RS)-3-Hydroxy-2-phenylpropanoic acid a-(Hydroxymethyl)benzeneacetic acid
CAS:552-63-6
Hyoscyamine EP Impurity A Hyoscine Butylbromide E
HSC01

(2RS)-3-Hydroxy-2-phenylpropanoic acid a-(Hydroxymethyl)benzeneacetic acid
CAS:552-63-6
Hyoscine EP Impurity C Hyoscyamine EP Impurity A
HSN03

(2RS)-3-Hydroxy-2-phenylpropanoic acid a-(Hydroxymethyl)benzeneacetic acid
CAS:552-63-6
Atropine EP Impurity C Hyoscine Butylbromide EP I
APZ03

(2RS)-4-(6-METHOXYNAPHTHALEN-2-YL)BUTAN-2-OL
CAS:65726-24-1
Nabumetone EP Impurity C 2-Hydroxy Nabumetone
NBM03

(2RS)-4-[(1-Methylethyl)amino]-2-phenyl-2-(pyridin-2-yl)butanamide
CAS:38236-46-3
Disopyramide EP Impurity C (Base)
DPY03B

(2RS)-4-[(1-Methylethyl)amino]-2-phenyl-2-(pyridin-2-yl)butanamide oxalate
CAS:1216619-15-6
Disopyramide EP Impurity C (Oxalate)
DPY03X

(2RS)-4-[Bis(1-methylethyl)amino]-2-phenyl-2-(pyridin-2-yl)butanamide
CAS:9/5/3737
Disopyramide
DPY00B

(2RS)-4-[Bis(1-methylethyl)amino]-2-phenyl-2-(pyridin-2-yl)butanamide phosphate
CAS:22059-60-5
Disopyramide (Phosphate)
DPY00P

(2RS)-4-[Bis(1-methylethyl)amino]-2-phenyl-2-(pyridin-2-yl)butanenitrile
CAS:5005-46-9
Disopyramide EP Impurity A Diisopyronitrile
DPY01

(2RS)-6-METHYLHEPT-5-EN-2-AMINE
CAS:22462-79-9
Heptaminol EP Impurity A
HMN01B

(2RS)-7,8-dimethoxy-2,5-dimethyl-2-[(3E,7E,11E,15E,19E,23E,27E,31E)-4,8,12,16,20,24,28,32,36-nonamethylheptatriaconta-3,7,11,15,19,23,27,31,35-nonaenyl]chromen-6-ol
CAS:65085-30-5
Ubidecarenone EP Impurity E Ubicromenol
UBD05

(2RS)-7-Chloro-2-methyl-3-(2-methylphenyl)-4-oxo-1,2,3,4-tetrahydroquinazoline-6-sulfonamide
CAS:17560-51-9
Metolazone
MLZ00

(2RS)-7-Chloro-2-methyl-3-(3-methylphenyl)-4-oxo-1,2,3,4-tetrahydroquinazoline-6-sulfonamide
CAS:50869-25-5
Metolazone EP Impurity A
MLZ01

(2RS)-7-Chloro-2-methyl-3-(4-methylphenyl)-4-oxo-1,2,3,4-tetrahydroquinazoline-6-sulfonamide
CAS:28508-63-6
Metolazone EP Impurity B
MLZ02

(2RS)-7-Chloro-2-methyl-4-oxo-3-phenyl-1,2,3,4-tetrahydroquinazoline-6-sulfonamide
CAS:28524-40-5
Metolazone EP Impurity C Desmethyl Metolazone
MLZ03

(2RS)-N,2-Dimethyl-3-(10H-phenothiazin-10-yl)propan-1-amine
CAS:22732-04-3
Alimemazine EP Impurity B Alimemazine N-Desmethyl
ALZ02

(2RS)-N,N,2-Trimethyl-3-(10H-phenothiazin-10-yl)propan-1-amine
CAS:84-96-8
Alimemazine (Base) Trimeprazine (Base)
ALZ00B

(2RS)-N,N,2-Trimethyl-3-(10H-phenothiazin-10-yl)propan-1-amine hemi[(2R,3R)-2,3-dihydroxybutanedioate]
CAS:4330-99-8
Alimemazine Hemitartrate Trimeprazine Hemitartrat
ALZ00T

(2RS)-N,N,2-TRIMETHYL-3-(5-OXIDO-10H-PHENOTHIAZIN-10-YL)PROPAN-1-AMINE
CAS:10071-07-5
Alimemazine EP Impurity A Alimemazine Sulfoxide
ALZ01

(2RS)-N,N-bis(2chloroethyl)tetrahydro-2H-1,3,2-oxazaphosphorin-2-amine 2-oxide
CAS:6055-19-2
Cyclophosphamide monohydrate
CPE00

(2RS)-N,N-Dimethyl-1-(10H-phenothiazin-10-yl)propan-2-amine hydrochloride
CAS:58-33-3
Promethazine HCl
PMZ00H

(2RS)-N,N-Dimethyl-1-(10H-phenothiazin-10-yl)propan-2-amine S-oxide
CAS:7640-51-9
Promethazine EP Impurity D Promethazine Sulfoxide
PMZ04

(2RS)-N,N-Dimethyl-2-(10H-phenothiazin-10-yl)propan-1-amine
CAS:303-14-0
Promethazine EP Impurity B (Base) Promethazine US
PMZ02B

(2RS)-N,N-Dimethyl-2-(10H-phenothiazin-10-yl)propan-1-amine hydrochloride
CAS:5568-90-1
Promethazine EP Impurity B (HCl) Promethazine USP
PMZ02H

(2RS)-N-(1,1-Dimethylethyl)-2,3-bis[[4-(morpholin-4-yl)-1,2,5-thiadiazol-3-yl]oxy]propan-1-amine
CAS:610271-56-2
Timolol EP Impurity C (Base) Timolol BP Impurity
TML03B

(2RS)-N-(1,1-Dimethylethyl)-2,3-bis[[4-(morpholin-4-yl)-1,2,5-thiadiazol-3-yl]oxy]propan-1-amine maleate salt
CAS:610271-57-3
Timolol EP Impurity C (Maleate) Timolol BP Impuri
TML03M

(2RS)-N-(2,6-Dimethylphenyl)piperidine-2-carboxamide
CAS:15883-20-2
Bupivacaine EP Impurity B Bupivacaine USP RC B N
BVC02B

(2RS)-N-(2,6-Dimethylphenyl)piperidine-2-carboxamide HCl
CAS:65797-42-4
Bupivacaine EP Impurity B (HCl) Bupivacaine USP R
BVC02H

(2RS)-N-[2-(3,4-Dimethoxyphenyl)ethyl]-4-(4-methoxyphenyl)butan-2-amine
CAS:61413-44-3
Dobutamine EP Impurity C (Base) Dobutamine USP RC
DBM03B

(2RS)-N-[2-(3,4-DIMETHOXYPHENYL)ETHYL]-4-(4-METHOXYPHENYL)BUTAN-2-AMINE HYDROCHLORIDE
CAS:51062-14-7
Dobutamine EP Impurity C (HCl) Dobutamine USP RC
DBM03H

(2RS)-N-[3-[(4-Amino-6,7-dimethoxyquinazolin-2-yl)amino]propyl]-N-methyltetrahydrofuran-2-carboxamide
CAS:98902-34-2
Alfuzosin EP Impurity C (Base) Alfuzosin N2-Methy
AFZ03B

(2RS)-N-[3-[(4-Amino-6,7-dimethoxyquinazolin-2-yl)amino]propyl]-N-methyltetrahydrofuran-2-carboxamide trihydrochloride
CAS:72104-34-8
Alfuzosin EP Impurity C (3HCl) Alfuzosin N2-Methy
AFZ03H

(2RS)-N-[3-[(4-Amino-6,7-dimethoxyquinazolin-2-yl)methylamino] propyl] tetrahydrofuran-2-carboxamide hydrochloride
CAS:81403-68-1
Alfuzosin HCl
AFZ00H

(2RS)-N-[4-Cyano-3-(trifluoromethyl)phenyl]-2-[(4-fluorophenyl)sulfonyl]-3-hydroxy-2-methylpropanamide
Bicalutamide EP Impurity H
BCL08

(2RS)-N-[4-Cyano-3-(trifluoromethyl)phenyl]-3-[(RS)-(4-fluorophenyl) sulfinyl]-2-hydroxy-2-methylpropanamide
CAS:1080647-25-1 (?)
Bicalutamide EP Impurity E rel-(R*,R*)-Bicalutam
BCL05

(2RS)-N-Ethyl-3-hydroxy-2-phenyl-N-(pyridin-4-ylmethyl)propanamide
CAS:1508-75-4
Tropicamide
TPC00

(2RS)-N-Ethyl-3-hydroxy-2-phenyl-N-(pyridin-4-ylmethyl)propanamide N-Oxide hydrochloride
Tropicamide N-Oxide HCl
TPC50H

(2RS)-N-Methyl-1-(10H-phenothiazin-10-yl)propan-2-amine
CAS:37707-23-6
Promethazine EP Impurity C N-Desmethyl Promethazi
PMZ03B

(2RS)-N-Methyl-1-(10H-phenothiazin-10-yl)propan-2-amine hydrochloride
CAS:60113-77-1
Promethazine EP Impurity C (HCl) N-Desmethyl Prom
PMZ03H

(2RS,2'RS)-3,3'-Sulfonyl-bis[N-[4-cyano-3-(trifluoromethyl)phenyl]-2-hydroxy-2-methylpropanamide]
Bicalutamide EP Impurity L
BCL12

(2RS,3aRS,7aRS)-1-[(2RS)-2-[[(1SR)-1-(Ethoxycarbonyl)butyl]amino] propanoyl]octahydro-1H-indole-2-carboxylic acid
CAS:145513-33-3
Perindopril EP Impurity I (Acid) (1R)-Perindopril
PRD09A

(2RS,3aRS,7aRS)-1-[(2RS)-2-[[(1SR)-1-(Ethoxycarbonyl)butyl]amino] propanoyl]octahydro-1H-indole-2-carboxylic acid t-butylamine salt
Perindopril EP Impurity I (TBA) (1R)-Perindopril
PRD09T

(2RS,3RS)-2-(2,4-Difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol
CAS:182230-43-9
Voriconazole USP RC A Voriconazole Racemate
VRC21

(2RS,3RS)-2-(2,4-Difluorophenyl)-3-(6-chloro-5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol
CAS:188416-35-5
Voriconazole 6-Chloro Racemate rac-6-Chloro Voric
VRC30

(2RS,3S,4R,5S)-3,4-Dihydroxy-6-(hydroxymethyl)-5-((2S,3S,4S,5R)-3,4,5-trihydroxy-6-(hydroxymethyl)-tetrahydro-2H-pyran-2-yloxy)-tetrahydro-2H-pyran-2-yl 2-(2-(4-((4-chlorophenyl)(phenyl) methyl)piperazin-1-yl)ethoxy)acetate hydrochloride
Cetirizine Lactose Ester (HCl)
CTR60H

(2RS,3SR)-2-(2,4-Difluorophenyl)-3-(pyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol
CAS:182369-73-9
Voriconazole EP Impurity B Voriconazole USP RC D
VRC02

(2RS,4RS)-2-[(1S,2R)-1-Carboxy-2-hydroxypropyl]-4-[[2-[(iminomethyl)amino]ethyl] sulfanyl]-3,4-dihydro-2H-pyrrole-5-carboxylic acid
CAS:1197869-90-1
Imipenem EP Impurity B (Acid) Imipenemoic Acid Mo
IMP02A

(2RS,4RS)-2-[(1S,2R)-1-Carboxy-2-hydroxypropyl]-4-[[2-[(iminomethyl)amino]ethyl] sulfanyl]-3,4-dihydro-2H-pyrrole-5-carboxylic acid monosodium salt
Imipenem EP Impurity B (Sodium) Imipenemoic Acid
IMP02N

(2RS,4RS)-4-Cyclohexyl-1-[[(RS)-[(1SR)-2-methyl-1-(1-oxopropoxy) propoxy](4-phenylbutyl)phosphoryl]acetyl]pyrrolidine-2-carboxylic acid, sodium salt
CAS:1356932-15-4
Fosinopril EP Impurity B
FSN02N

(2RS,4S)-2-[[[(2R)-2-[[(4-Ethyl-2,3-dioxopiperazin-1-yl)carbonyl]amino]-2-phenylacetyl]amino]methyl]-5,5-dimethylthiazolidine-4-carboxylic acid
CAS:64817-23-8
Piperacillin EP Impurity C Monodecarboxy Piperaci
PPR03

(2RS,4S)-2-[[[(2R)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino]methyl]-5,5-dimethylthiazolidine-4-carboxylic acid
CAS:1356020-01-3 & 57414-05-8
Amoxicillin EP Impurity E (Base) Amoxicillin USP
AMX05B

(2RS,4S)-2-[[[(2R)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino]methyl]-5,5-dimethylthiazolidine-4-carboxylic acid formate
Amoxicillin EP Impurity E (Formate Salt) Amoxicil
AMX05F

(2RS,4S)-2-[[[(2R)-2-Amino-2-phenylacetyl]amino] methyl]-5,5-dimethyl thiazolidine-4-carboxylic acid
CAS:124774-48-7 124774-49-8
Ampicillin EP Impurity F Penilloic Acids of Ampic
AMP06

(2RS,4S)-2-[[[[3-(2,6-Dichlorophenyl)-5-methylisoxazol-4-yl]carbonyl]amino] methyl]-5,5-dimethylthiazolidine-4-carboxylic acid
CAS:89353-77-5
Dicloxacillin EP Impurity B Penilloic Acids of Di
DCX02

(2RS,4S)-2-[[[[3-(2-Chlorophenyl)-5-methylisoxazol-4-yl]carbonyl]amino] methyl]-5,5-dimethylthiazolidine-4-carboxylic acid
CAS:1642559-64-5
Cloxacillin EP Impurity B Penilloic Acid of Clox
CLX02

(2RS,4S)-5,5-Dimethyl-2-((2-phenylacetamido)methyl)thiazolidine-4-carboxylic acid
CAS:501-34-8
Benzylpenicillin EP Impurity F Penilloic Acids of
BZP06

(2RS,4S)-5,5-Dimethyl-2-[[[(5-methyl-3-phenylisoxazol-4-yl)carbonyl]amino]methyl]thiazolidine-4-carboxylic acid
CAS:1642559-63-4
Oxacillin EP Impurity D Penilloic Acids of Oxacil
OXL04A

(2RS,4S)-6-Chloro-4-(2-cyclopropyleth-1-yn-1-yl)-2-(4-methoxyphenyl)-4-(trifluoromethyl)-1,4-dihydro-2H-3,1-benzoxazine
CAS:209414-26-6
Efavirenz IP Impurity J
EFV60

(2RS,5SR)-5-(4-Amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylic acid
Lamivudine IP Impurity A (2RS,5SR)-Lamivudine Aci
LMV61

(2RS,6R,7R)-7-[[(2R)-2-Amino-2-phenylacetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0] oct-3-ene-2-carboxylic acid
CAS:152575-13-8
Cefaclor EP Impurity D Cefaclor 3-Ene Isomer del
CCL04

(2RS,6R,7R)-7-[[(2R)-2-Amino-2-phenylacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid
CAS:79750-46-2
Cefalexin EP Impurity F Cefalexin 3-Ene Isomer
CFL06

(2RS,6R,7R)-7-[[(2R)-2-Amino-2-phenylacetyl]amino]-3-methylene-8-oxo-5-thia-1-azabicyclo [4.2.0]octane-2-carboxylic acid
CAS:67308-21-8
Cefaclor EP Impurity G Isocefalexine
CCL07A

(2RS,6R,7R)-7-[[(2R)-2-Amino-2-phenylacetyl]amino]-3-methylene-8-oxo-5-thia-1-azabicyclo [4.2.0]octane-2-carboxylic acid sodium salt
CAS:37050-97-8
Cefaclor EP Impurity G (Sodium) Isocefalexine Sod
CCL07N

(2RS,6R,7R)-7-[[(2Z)-2-(2-Aminothiazol-4-yl)-2-[(1-carboxy-1-methylethoxy) imino]acetyl]amino]-8-oxo-3-[(1-pyridinio)methyl]-5-thia-1-azabicyclo[4.2.0] oct-3-ene-2-carboxylate
CAS:1000980-60-8
Ceftazidime EP Impurity A Ceftazidime ?2-Impurity
CFT01

(2RS,6R,7S)-3-[(Carbamoyloxy)methyl]-7-methoxy-8-oxo-7-[[(thiophen-2-yl) acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid sodium salt
Cefoxitin EP Impurity B
CXT02N

(2RS,6R,8S)-8-[(3aR,4R,5S,5aR,10bR,13aR)-4-(Acetyloxy)-3a-ethyl-5-hydroxy-8-methoxy-5-(methoxycarbonyl)-6-methyl-3a,4,5,5a,6,11,12,13a-octahydro-1H-indolizino[8,1-cd]carbazol-9-yl]-4-ethyl-8-(methoxycarbonyl)-2-methyl-1,3,6,7,8,9-hexahydro-2,6-methano-2H-
CAS:89368-96-7
Vinorelbine EP Impurity F Vinorelbine N-Methiodid
VNR06X

(2RS,6RS)-2,6-Dimethyl-4-(2-methyl-3-(4-tert-pentylphenyl)propyl)morpholine
CAS:2134097-34-8
Amorolfine EP Impurity E (Base) Amorolfine trans-
AMR05B

(2RS,6RS)-2,6-Dimethyl-4-(2-methyl-3-(4-tert-pentylphenyl)propyl)morpholine HCl
CAS:2089385-28-2 & 2089385-29-3
Amorolfine EP Impurity E (HCl) Amorolfine trans-I
AMR05H

(2RS,6SR)-2,6-Dimethyl-4-[(2RS)-(2-methyl-3-(3-tert-pentylphenyl)propyl)] morpholine HCl
Amorolfine EP Impurity J Amorolfine meta-Isomer
AMR10H

(2RS,6SR)-2,6-Dimethyl-4-[(2RS)-(2-methyl-3-(4-(3-methylbutan-2-yl)phenyl)propyl)] morpholine
CAS:67468-13-7
Amorolfine EP Impurity I (Base)
AMR09B

(2RS,6SR)-2,6-Dimethyl-4-[(2RS)-(2-methyl-3-(4-(3-methylbutan-2-yl)phenyl)propyl)] morpholine HCl
Amorolfine EP Impurity I (HCl)
AMR09H

(2RS,6SR)-2,6-Dimethyl-4-[(2RS)-(2-methyl-3-phenylpropyl)]morpholine
CAS:78613-37-3
Amorolfine EP Impurity C (Base) Des(dimethylpropy
AMR03B

(2RS,6SR)-2,6-Dimethyl-4-[(2RS)-(2-methyl-3-phenylpropyl)]morpholine hydrochloride
CAS:922734-43-8
Amorolfine EP Impurity C (HCl) Des(dimethylpropyl
AMR03H

(2RS,6SR)-2,6-Dimethyl-4-[(2RS)-2-methyl-3-[4-(3-methylpentan-3-yl)phenyl] propyl]morpholine
Amorolfine EP Impurity K
AMR11

(2RS,6SR)-4-((RS)-3-(4-tert-butylphenyl)-2-methylpropyl)-2,6-dimethylmorpholine
CAS:67306-03-0
Amorolfine EP Impurity D (Base)
AMR04B

(2RS,6SR)-4-((RS)-3-(4-tert-butylphenyl)-2-methylpropyl)-2,6-dimethylmorpholine hydrochloride
Amorolfine EP Impurity D (HCl)
AMR04H

(2RS,6SR)-4-[(2RS)-3-[3,5-bis(2-Methylbutan-2-yl)phenyl]-2-methylpropyl]-2,6-dimethylmorpholine
Amorolfine EP Impurity L
AMR12

(2S)-(o-Chlorophenyl)-[6,7-dihydrothieno[3,2-c]pyridine-5(4H)-yl] acetic acid
CAS:144457-28-3
Clopidogrel EP Impurity A (Base) Clopidogrel USP
CPG01B

(2S)-(o-Chlorophenyl)-[6,7-dihydrothieno[3,2-c]pyridine-5(4H)-yl] acetic acid HCl
CAS:144750-42-5
Clopidogrel EP Impurity A (HCl) Clopidogrel USP R
CPG01H

(2S)-(t-Butylamino)-3'-chloropropiophenone
CAS:324548-43-8
Bupropion (S)-Isomer (Base) (S)-Bupropion
BPP41B

(2S)-(t-Butylamino)-3'-chloropropiophenone L-tartaric acid salt
Bupropion (S)-Isomer (LTA Salt) (S)-Bupropion L-T
BPP41T

(2S)-1,2,3,6-Tetrahydro-2,3'-bipyridyl
CAS:581-49-7
Nicotine EP Impurity A (S)-Anatabine
NTN01

(2S)-1,4-bis[(2S,4R)-4-Benzyl-2-hydroxy-5-[[(1S,2R)-2-hydroxy-2,3-dihydro-1H-inden-1-yl]amino]-5-oxopentyl]-N-(1,1-dimethylethyl)piperazine-2-carboxamide
Indinavir EP Impurity E
IDN05

(2S)-1-(2,2-DICHLOROACETYL)-2-PYRROLIDINECARBONITRILE
CAS:1803168-09-3
Vildagliptin Dichloroacetyl Nitrile (S)-Isomer Vi
VDG88

(2S)-1-(2-Cyclopentylphenoxy)-3-[(1,1-dimethylethyl)amino]propan-2-ol
CAS:38363-40-5
Penbutolol (Base)
PBT00B

(2S)-1-(2-METHYLPROPANOYL)PYRROLIDINE-2-CARBOXYLIC ACID
CAS:23500-15-4
Captopril EP Impurity E Captopril USP RC E Capto
CPR05

(2S)-1-(9H-Carbazol-4-yloxy)-3-[[2-(2-methoxyphenoxy)-ethyl]amino]propan-2-ol
CAS:95094-00-1
Carvedilol (S)-Isomer (S)-(-)-Carvedilol
CVD13S

(2S)-1-[(1,1-Dimethylethyl)amino]-3-[[4-(morpholin-4-yl)1,2,5-thiadiazol-3-yl]oxy]propan-2-ol (Z)-butenedioate
CAS:26921-17-5
Timolol Maleate
TML00M

(2S)-1-[(2R)-2-Methyl-3-sulphanylpropanoyl]pyrrolidine-2-carboxylic acid
CAS:63250-36-2
Captopril EP Impurity F epi-Captopril
CPR06

(2S)-1-[(2R,4R)-4-Benzyl-2-hydroxy-5-[[(1S,2R)-2-hydroxy-2,3-dihydro-1H-inden-1-yl]amino]-5-oxopentyl]-N-(1,1-dimethylethyl)-4-(pyridin-3-ylmethyl)piperazine- 2-carboxamide
CAS:360558-79-8
Indinavir EP Impurity C threo-Indinavir (USP)
IDN03

(2S)-1-[(2S)-2,6-Bis[[(1S)-1-Carboxy-3-phenylpropyl]-amino]hexanoyl]pyrrolidine- 2-carboxylic acid
CAS:927819-64-5
Lisinopril EP Impurity I
LSN09

(2S)-1-[(2S)-2-[[(1R)-1-(Ethoxycarbonyl)-3- phenylpropyl] amino] propanoyl] pyrrolidine-2-carboxylic acid
CAS:76420-74-1
Enalapril EP Impurity A (Base) (R,S,S)-Enalapril
ENL01B

(2S)-1-[(2S)-2-[[(1R)-1-(Ethoxycarbonyl)-3- phenylpropyl] amino] propanoyl] pyrrolidine-2-carboxylic acid HCl
Enalapril EP Impurity A (HCl) (R,S,S)-Enalapril H
ENL01H

(2S)-1-[(2S)-2-[[(1R)-1-(Ethoxycarbonyl)-3- phenylpropyl] amino] propanoyl] pyrrolidine-2-carboxylic acid maleate
CAS:1356932-13-2
Enalapril EP Impurity A (Maleate) (R,S,S)-Enalapr
ENL01M

(2S)-1-[(2S)-2-[[(1S)-1-(Butoxycarbonyl)-3-phenylpropyl] amino] propanoyl] pyrrolidine-2-carboxylic acid hydrochloride
CAS:76420-77-4 (rac)
Enalapril EP Impurity F (HCl) Enalapril HCl Butyl
ENL06H

(2S)-1-[(2S)-2-[[(1S)-1-(Ethoxycarbonyl)-3-phenylpropyl]amino]propanoyl] pyrrolidine-2-carboxylic acid (Z)-butenedioate
CAS:76095-16-4
Enalapril Maleate (S,S,S)-Enalapril Maleate
ENL00M

(2S)-1-[(2S)-2-[[(1S)-3-Cyclohexyl-1-(ethoxycarbonyl)propyl] amino] propanoyl]pyrrolidine-2-carboxylic acid
CAS:2055735-10-7
Enalapril EP Impurity H (Base) Enalapril Cyclohex
ENL08B

(2S)-1-[(2S)-2-[[(1S)-3-Cyclohexyl-1-(ethoxycarbonyl)propyl] amino] propanoyl]pyrrolidine-2-carboxylic acid HCl
Enalapril EP Impurity H (HCl) Enalapril Cyclohexy
ENL08H

(2S)-1-[(2S)-2-[[(1S)-3-Phenyl-1-[(2-phenylethoxy) carbonyl] propyl] amino] propanoyl] pyrrolidine-2-carboxylic acid hydrochloride
Enalapril EP Impurity E (HCl Salt) Enalapril Phen
ENL05H

(2S)-1-[(2S)-2-[[(1S)-3-Phenyl-1-[(2-phenylethoxy) carbonyl] propyl] amino] propanoyl] pyrrolidine-2-carboxylic acid maleate salt
Enalapril EP Impurity E (Maleate Salt) Enalapril
ENL05M

(2S)-1-[(2S)-2-Methyl-3-bromopropanoyl]pyrrolidine-2-carboxylic acid
CAS:80629-35-2
Captopril EP Impurity B Captopril USP RC B Capto
CPR02

(2S)-1-[(2S)-2-Methyl-3-nitrososulphanylpropanoyl]pyrrolidine-2-carboxylic acid
CAS:122130-63-6
Captopril RC 13 S-Nitrosocaptopril
CPR63

(2S)-1-[(2S)-2-Methyl-3-sulphanylpropanoyl]pyrrolidine-2-carboxylic acid
CAS:62571-86-2
Captopril
CPR00

(2S)-1-[(2S)-2-Methyl-3-sulphanylpropanoyl]pyrrolidine-2-carboxylic acid ethyl ester
CAS:86938-12-7
Captopril Ethyl Ester
CPR32

(2S)-1-[(2S)-2-Methyl-3-sulphanylpropanoyl]pyrrolidine-2-carboxylic acid methyl ester
CAS:176036-41-2
Captopril Methyl Ester
CPR31

(2S)-1-[(2S)-3-(ACETYLSULFANYL)-2-METHYLPROPANOYL]PYRROLIDINE-2-CARBOXYLIC ACID
CAS:64838-55-7
Captopril EP Impurity J (Anhydrous) Acetyl Captop
CPR10A

(2S)-1-[(2S)-3-(ACETYLSULFANYL)-2-METHYLPROPANOYL]PYRROLIDINE-2-CARBOXYLIC ACID HYDRATE
CAS:801293-45-8
Captopril EP Impurity J (Hydrate) Acetyl Captopri
CPR10H

(2S)-1-[(2S)-3-[[(2R)-3-(Acetylsulfanyl)-2-methylpropanoyl]sulfanyl]-2-methylpropanoyl]pyrrolidine-2-carboxylic acid
CAS:205521-07-9
Captopril EP Impurity H
CPR08

(2S)-1-[(2S)-3-[[(2S)-2-Carboxypropyl]disulfanyl]-2-methylpropanoyl] pyrrolidine-2-carboxylic acid
Captopril EP Impurity M
CPR13

(2S)-1-[(2S)-3-[[[(2S)-1-[(2S)-2-Methyl-3-sulfanylpropanoyl]pyrrolidin-2-yl]carbonyl]sulfanyl]-2-methylpropanoyl]pyrrolidine-2-carboxylic acid
Captopril EP Impurity I
CPR09

(2S)-1-[(2S)-6-Amino-2-[[(1R)-1-carboxy-3-phenylpropyl]amino]hexanoyl]pyrrolidine-2-carboxylic acid N2-[(1R)-1-Carboxy-3-phenylpropyl)-L-lysyl]-L-proline
CAS:85955-59-5
Lisinopril EP Impurity E (Acid) (R)-Lisinopril L
LSN05A

(2S)-1-[(2S)-6-Amino-2-[[(1R)-1-carboxy-3-phenylpropyl]amino]hexanoyl]pyrrolidine-2-carboxylic acid N2-[(1R)-1-Carboxy-3-phenylpropyl)-L-lysyl]-L-proline sodium salt
CAS:1356019-70-9
Lisinopril EP Impurity E (Sodium) (R)-Lisinopril
LSN05N

(2S)-1-[(2S)-6-Amino-2-[[(1S)-1-carboxy-3-cyclohexylpropyl]amino]hexanoyl]pyrrolidine-2-carboxylic acid
CAS:1132650-67-9
Lisinopril EP Impurity F Lisinopril Cyclohexyl An
LSN06

(2S)-1-[(2S)-6-Amino-2-[[(1S)-1-carboxy-3-phenylpropyl]amino]hexanoyl]pyrrolidine-2-carboxylic acid
CAS:76547-98-3
Lisinopril (Anhydrous)
LSN00A

(2S)-1-[(2S)-6-Amino-2-[[(1S)-1-carboxy-3-phenylpropyl]amino]hexanoyl]pyrrolidine-2-carboxylic acid dihydrate
CAS:83915-83-7
Lisinopril (Dihydrate)
LSN00H

(2S)-1-[(2S)-6-amino-2-[[(2S)-1-[[[(5S)-5-[[(1S)-1-carboxy-3-phenylpropyl]amino]-6-[(2S)-2-carboxypyrrolidin-1-yl]-6-oxohexyl]amino]carbonyl]-3-phenylpropyl]amino]hexanoyl]pyrrolidine-2-carboxylic acid
CAS:1356839-89-8
Lisinopril EP Impurity G (S)-Lisinopril Dimer
LSN07

(2S)-1-[(2S,4R)-4-Benzyl-2-hydroxy-5-[[(1S,2R)-2-hydroxy-2,3-dihydro-1H-inden-1-yl]amino]-5-oxopentyl]-N-(1,1-dimethylethyl)-4-(pyridin-3-ylmethyl)piperazine-2-carboxamide
CAS:150378-17-9
Indinavir
IDN00B

(2S)-1-[(2S,4R)-4-Benzyl-2-hydroxy-5-[[(1S,2R)-2-hydroxy-2,3-dihydro-1H-inden-1-yl]amino]-5-oxopentyl]-N-(1,1-dimethylethyl)piperazine-2-carboxamide
CAS:150323-38-9
Indinavir EP Impurity B Desnictoinyl Indinavir (U
IDN02

(2S)-1-[[(2R,3R,6S)-2-Hydroxy-6-[(2S,3E,5E,7E,9S,11R,13R,14R,15E,17R,19Z,21R)-14- hydroxy-22-[(1S,3R,4R)-4-(2-hydroxyethoxy)-3-methoxycyclohexyl]-2,13-dimethoxy-3,9,11, 15,17,21-hexamethyl-12,18-dioxodocosa-3,5,7,15,19-pentaen-1-yl]-3-methyltetrahydro-2H-
CAS:220127-31-1
Everolimus EP Impurity B (Sodium) Everolimus 19-E
EVR02N

(2S)-1-[[(2R,3R,6S)-2-Hydroxy-6-[(2S,3E,5E,7E,9S,11R,13R,14R,15E,17R,19Z,21R)-14- hydroxy-22-[(1S,3R,4R)-4-(2-hydroxyethoxy)-3-methoxycyclohexyl]-2,13-dimethoxy-3,9,11, 15,17,21-hexamethyl-12,18-dioxodocosa-3,5,7,15,19-pentaen-1-yl]-3-methyltetrahydro-2H-
CAS:1062122-63-7
Everolimus EP Impurity B (Acid) Everolimus 19-Ene
EVR02A

(2S)-1-[2-[(2R,3R,6S)-6-[(2S,3E,5E,7E,9S,11R,13R,14R,15E,17R,20S,21R)-14,20-Dihydroxy-22-[(1S,3R,4R)-4-(2-hydroxyethoxy)-3-methoxycyclohexyl]-2,13-dimethoxy-3,9,11,15,17,21-hexamethyl-12,18-dioxo-3,5,7,15-docosatetraen-1-yl]tetrahydro-2-hydroxy-3-methyl-2
CAS:769905-89-7
Everolimus Open-Ring Acid Impurity seco Everolimu
EVR61

(2S)-1-[2-[(3,5-Dihydroxytricyclo[3.3.1.13,7]dec-1-yl)amino]acetyl]-2-pyrrolidinecarbonitrile
Vildagliptin Diol Hydroxy Vildagliptin
VDG55

(2S)-1-[2-[(3-Hydroxytricyclo[3.3.1.13,7]dec-1-yl)-N-hydroxyamino]acetyl]-2-pyrrolidinecarbonitrile
Vildagliptin N-Hydroxy
VDG56

(2S)-1-[2-[(3-Hydroxytricyclo[3.3.1.13,7]dec-1-yl)amino]acetyl]-2-pyrrolidine carbonitrile
CAS:274901-16-5
Vildagliptin
VDG00

(2S)-1-[2-[(3-Hydroxytricyclo[3.3.1.13,7]dec-1-yl)amino]acetyl]-2-pyrrolidine carboxamide
CAS:565453-39-6
Vildagliptin Amide Impurity Vildagliptin IP Impur
VDG41

(2S)-1-[2-[(3-Hydroxytricyclo[3.3.1.13,7]dec-1-yl)amino]acetyl]-2-pyrrolidine carboxylic acid
CAS:565453-40-9
Vildagliptin Carboxylic Acid Vildagliptin IP Imp
VDG42A

(2S)-1-[2-[(3-HYDROXYTRICYCLO[3.3.1.13,7]DEC-1-YL)AMINO]ACETYL]-2-PYRROLIDINE CARBOXYLIC ACID LITHIUM SALT
Vildagliptin Carboxylic Acid (Lithium Salt)
VDG42L

(2S)-1-[2-[(3-Hydroxytricyclo[3.3.1.13,7]dec-1-yl)amino]acetyl]-2-pyrrolidine carboxylic acid methyl ester
CAS:948574-56-9
Vildagliptin Carboxylic Acid Methyl Ester
VDG52

(2S)-1-[2-[(3-Hydroxytricyclo[3.3.1.13,7]dec-1-yl)amino]acetyl]-2-pyrrolidinecarbonitrile O-�-D-glucopyranosiduronic acid
CAS:1147403-03-9
Vildagliptin �-D-Glucuronide
VDG50

(2S)-1-Amino-3-[[3-fluoro-4-(4-morpholinyl)phenyl]amino]-2-propanol 2-acetate
CAS:333753-71-2
Linezolid O-Acetyl Impurity (Base)
LNZ52B

(2S)-1-Amino-3-[[3-fluoro-4-(4-morpholinyl)phenyl]amino]-2-propanol 2-acetate dihydrochloride
Linezolid O-Acetyl Impurity (2HCl)
LNZ52H

(2S)-2,2�-[[(5R)-2,2�-Diamino-4,4�,6-trioxo-1,4,4�,6,7,7�-hexahydro-1�H,5H-5,6�-bipyrrolo[2,3-d]pyrimidine-5,5�-diyl]bis(ethane-2,1-diylbenzene-4,1-diylcarbonylimino)]-dipentanedioic acid
CAS:1802552-04-0
Pemetrexed EP Impurity B Pemetrexed (5R)-Dimer S
PMT02

(2S)-2,2�-[[(5S)-2,2�-Diamino-4,4�,6-trioxo-1,4,4�,6,7,7�-hexahydro-1�H,5H-5,6�-bipyrrolo[2,3-d]pyrimidine-5,5�-diyl]bis(ethane-2,1-diylbenzene-4,1-diylcarbonylimino)]-dipentanedioic acid
CAS:1802552-16-4
Pemetrexed EP Impurity C Pemetrexed (5S)-Dimer S
PMT03

(2S)-2-((2-Amino-6-oxo-1,6-dihydropurin-9-yl)methoxy)-3-hydroxypropyl 2-(benzyloxycarbonyl)-3-methylbutanoate
CAS:194154-40-0
Valganciclovir N-Benzyloxycarbonyl Impurity N-Car
VGC50

(2S)-2-((TERT-BUTOXYCARBONYL)AMINO)-2-(3-HYDROXYADAMANTAN-1-YL)ACETIC ACID
CAS:361442-00-4
Saxagliptin RC 2 Boc-3-hydroxy-1-adamantyl-D-glyc
SXG62

(2S)-2-(2-OXOPYRROLIDIN-1-YL)BUTANOIC ACID
CAS:102849-49-0
Levetiracetam Carboxylic Acid (S)-Levetiracetam A
LET41

(2S)-2-(3-BENZOYLPHENYL)PROPANOIC ACID
CAS:22161-81-5
Ketoprofen S-Isomer (S)-(+)-Ketoprofen Dexketopr
KTP40

(2S)-2-(3-Benzoylphenyl)propanoic acid trometamol salt
CAS:156604-79-4
Dexketoprofen Trometamol Ketoprofen S-Isomer Trom
DKP00T

(2S)-2-(4-(1-(2,4-DIAMINOPTERIDIN-6-YL)PENT-4-YN-2-YL)BENZAMIDO)-5-METHOXY-5-OXOPENTANOIC ACID
CAS:1548618-62-7
Pralatrexate RC 8
PXT58

(2S)-2-(4-(1-(2-AMINO-4-HYDROXYPTERIDIN-6-YL)PENT-4-YN-2-YL)BENZAMIDO)PENTANEDIOIC ACID
CAS:1548618-61-6
Pralatrexate RC 6
PXT56

(2S)-2-(4-(3-Amino-1-oxo-5,6,6a,7-tetrahydroimidazo[1,5-f]pteridin-8(1H,4H,9H)-yl)benzamido)pentanedioic acid
CAS:3432-99-3
Levofolinate Methylene Impurity Folitixorin
LFL50A

(2S)-2-(5-BROMO-6-METHOXYNAPHTHALEN-2-YL)PROPANOIC ACID
CAS:84236-26-0
Naproxen EP Impurity C (S)-5-Bromo Naproxen
NPX03

(2S)-2-(5-Chloro-2-{[(4-methoxyphenyl)methyl]amino}phenyl)-4-cyclopropyl-1,1,1-trifluorobut-3-yn-2-ol
CAS:173676-60-3
Efavirenz IP Impurity I
EFV59

(2S)-2-(5-CHLORO-6-METHOXYNAPHTHALEN-2-YL)PROPANOIC ACID
CAS:89617-86-7
Naproxen EP Impurity B (S)-5-Chloro Naproxen
NPX02

(2S)-2-(5-IODO-6-METHOXYNAPHTHALEN-2-YL)PROPANOIC ACID
CAS:116883-62-6
Naproxen EP Impurity D (S)-5-Iodo Naproxen
NPX04

(2S)-2-(6-HYDROXYNAPHTHALEN-2-YL)PROPANOIC ACID
CAS:52079-10-4
Naproxen EP Impurity A (S)-O-Desmethyl Naproxen
NPX01

(2S)-2-(6-METHOXYNAPHTHALEN-2-YL)PROPANOIC ACID
CAS:22204-53-1
Naproxen (Acid) (S)-Naproxen
NPX00A

(2S)-2-(6-Methoxynaphthalen-2-yl)propanoic acid sodium salt
CAS:26159-34-2
Naproxen (Sodium) (S)-Naproxen Sodium
NPX00N

(2S)-2-[(1R)-(2-Ethoxyphenoxy)(phenyl)methyl]morpholine
Reboxetine (1R,2S)-Isomer
RBX52

(2S)-2-[(1S)-(2-Ethoxyphenoxy)(phenyl)methyl]morpholine
CAS:98819-76-2
Reboxetine (1S,2S)-Isomer
RBX54

(2S)-2-[(3S,5aS,8aS,9aS)-3-Methyl-1,4-dioxodecahydro-2H-cyclopenta[4,5] pyrrolo[1,2-a]pyrazin-2-yl]-4-phenylbutanoic acid
CAS:108736-10-3
Ramipril EP Impurity K Ramiprilat Diketopiperazin
RMP11

(2S)-2-[(3S,5aS,9aS,10aR)-3-Methyl-1,4-dioxodecahydropyrazino[ 1,2-a]indol-2(1H)-yl]pentanoic acid
CAS:130061-28-8
Perindopril EP Impurity D Perindopril USP RC D P
PRD04

(2S)-2-[(3S,5aS,9aS,10aS)-3-Methyl-1,4-dioxodecahydropyrazino[1,2-a] indol- 2(1H)-yl]pentanoic acid
CAS:129970-99-6
Perindopril EP Impurity C Perindopril BP Impurity
PRD03

(2S)-2-[(3S,8AR)-3-(4-AMINOBUTYL)-1,4-DIOXOHEXAHYDROPYRROLO[1,2-A]PYRAZIN-2(1H)-YL]-4-PHENYLBUTANOIC ACID
CAS:219677-82-4
Lisinopril EP Impurity D Lisinopril (S,S,R)-Diket
LSN04

(2S)-2-[(3S,8ARS)-3-(4-AMINOBUTYL)-1,4-DIOXOHEXAHYDROPYRROLO[1,2-A]PYRAZIN-2(1H)-YL]-4-PHENYLBUTANOIC ACID
CAS:1092813-99-4
Lisinopril Diketopiperazine (= Lisinopril EP Imp.
LSN34

(2S)-2-[(3S,8AS)-3-(4-AMINOBUTYL)-1,4-DIOXOHEXAHYDROPYRROLO[1,2-A]PYRAZIN-2(1H)-YL]-4-PHENYLBUTANOIC ACID
CAS:328385-86-0
Lisinopril EP Impurity C Lisinopril USP RC A Lis
LSN03

(2S)-2-[(3S,8aS)-3-Methyl-1,4-dioxooctahydropyrrolo [1,2-a]pyrazin-2-yl]-4-phenylbutanoic acid
CAS:115623-21-7
Enalapril Diketopiperazine Acid
ENL54A

(2S)-2-[(4,6-Dimethylpyrimidin-2-yl)oxy]-3-methoxy-3,3-diphenyl propanoic acid ethyl ester
CAS:1349854-31-4
Ambrisentan Ethyl Ester
ABS52

(2S)-2-[(4-AMINOBENZOYL)AMINO]PENTANEDIOIC ACID
CAS:4271-30-1
Folic Acid EP Impurity A Methotrexate EP Impurity
FCD01

(2S)-2-[(4-Aminobenzoyl)amino]pentanedioic acid N-(4-Aminobenzoyl)-L-glutamic acid
CAS:4271-30-1
Methotrexate EP Impurity K Folic Acid EP Impurity
MTX11

(2S)-2-[[(1S)-1-(Ethoxycarbonyl)-3-phenylpropyl]amino] propanoic acid
CAS:82717-96-2
Quinapril EP Impurity B Enalapril EP Impurity B
QPR02

(2S)-2-[[(1S)-1-(ETHOXYCARBONYL)-3-PHENYLPROPYL]AMINO]PROPANOIC ACID
CAS:82717-96-2
Spirapril EP Impurity C Moexipril USP RC F Enala
SPP03

(2S)-2-[[(1S)-3-Cyclohexyl-1-(ethoxycarbonyl)propyl]-amino] propanoic acid
CAS:460720-14-3
Enalapril EP Impurity G
ENL07

(2S)-2-[[(4S-4-[[[4-[2-(2-Amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]phenyl] carbonyl]amino]-4-carboxybutanoyl)amino] pentanedioic acid
CAS:144051-68-3
Pemetrexed EP Impurity D (Acid) Pemetrexed Triaci
PMT04A

(2S)-2-[[(4S-4-[[[4-[2-(2-Amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]phenyl] carbonyl]amino]-4-carboxybutanoyl)amino] pentanedioic acid trisodium salt
CAS:1265908-59-5
Pemetrexed EP Impurity D (Trisodium) Pemetrexed T
PMT04N

(2S)-2-[[[(2R,3R,4R,5R)-5-(2,4-Dioxopyrimidin-1-yl)-4-fluoro-3-hydroxy-4-methyl-tetrahydrofuran-2-yl]methoxy-hydroxy-phosphoryl] amino] propanoic acid
CAS:1233335-78-8
Sofosbuvir O-Desisopropyl O-Desphenyl Acid Uridin
SFS54A

(2S)-2-[[[(2R,3R,4R,5R)-5-(2,4-Dioxopyrimidin-1-yl)-4-fluoro-3-hydroxy-4-methyl-tetrahydrofuran-2-yl]methoxy-hydroxy-phosphoryl] amino] propanoic acid ammonium salt
Sofosbuvir O-Desisopropyl O-Desphenyl Ammonium Sal
SFS54N

(2S)-2-[[[(2R,3R,4R,5R)-5-(2,4-Dioxopyrimidin-1-yl)-4-fluoro-3-hydroxy-4-methyl-tetrahydrofuran-2-yl]methoxy-phenoxy-phosphoryl] amino] propanoic acid
Sofosbuvir O-Desisopropyl Impurity Sofosbuvir Car
SFS40

(2S)-2-[[4-(Methylamino)benzoyl]amino]pentanedioic acid
CAS:52980-68-4
Methotrexate EP Impurity L (Acid)
MTX12A

(2S)-2-[[4-(Methylamino)benzoyl]amino]pentanedioic acid disodium salt
CAS:57444-71-0
Methotrexate EP Impurity L (Sodium)
MTX12N

(2S)-2-[[4-[[(2,4-Diaminopteridin-6-yl)methyl]methylamino]benzoyl]amino]-5-methoxy-5-oxopentanoic acid
CAS:67022-39-3
Methotrexate EP Impurity H Methotrexate USP RC H
MTX08

(2S)-2-[[4-[[(2,4-Diaminopteridin-6-yl)methyl]methylamino]benzoyl]amino]pentanedioic acid
CAS:59-05-2
Methotrexate (Acid) (+)-Amethopterin 4-Amino-N10
MTX00A

(2S)-2-[[4-[[(2,4-Diaminopteridin-6-yl)methyl]methylamino]benzoyl]amino]pentanedioic acid disodium salt
CAS:7413-34-5
Methotrexate (Disodium Salt) (+)-Amethopterin Dis
MTX00N

(2S)-2-[[4-[[(2-Amino-4-oxo-1,4-dihydropteridin-7-yl)methyl]amino]benzoyl]amino] pentanedioic acid
CAS:47707-78-8
Folic Acid EP Impurity C Isofolic Acid
FCD03

(2S)-2-[[4-[[4-[[(2,4-Diaminopteridin-6-yl)methyl]methylamino]benzoyl]methylamino]benzoyl] amino]pentanedioic acid
CAS:2519848-42-9
Methotrexate EP Impurity G Methotrexate USP RC G
MTX07

(2S)-2-[[4-[Bis[(2-Amino-4-oxo-1,4-dihydropteridin-6-yl)methyl]amino]benzoyl]amino] pentanedioic acid
CAS:1391068-26-0
Folic Acid EP Impurity E 6-Pterinylfolic Acid
FCD05

(2S)-2-[4-[(4S)-4-[4-[[(2-Amino-4-oxo-1,4-dihydropteridin-6-yl)methyl]amino]benzamido]-4-carboxybutan amido]benzamido]pentanedioic acid
CAS:2366274-27-1
Folic Acid EP Impurity H
FCD08A

(2S)-2-Amino-3-(2,4,5-trihydroxyphenyl)propanoic acid 3-(3,4,6-Trihydroxyphenyl)-alanine
CAS:27244-64-0
Levodopa EP Impurity A Levodopa USP RC A 2-Hydro
LDP01B

(2S)-2-AMINO-3-(3,4-DIHYDROXYPHENYL)-2-METHYLPROPANOIC ACID
CAS:555-30-6
Methyldopa (Anhydrous) L-Methyldopa
MTD00A

(2S)-2-AMINO-3-(3,4-DIHYDROXYPHENYL)-2-METHYLPROPANOIC ACID
CAS:555-30-6
Carbidopa EP Impurity A (Anhydrous) L-Methyldopa
CBD01A

(2S)-2-AMINO-3-(3,4-DIHYDROXYPHENYL)-2-METHYLPROPANOIC ACID SESQUIHYDRATE
CAS:41372-08-1
Methyldopa (Sesquihydrate) L-Methyldopa Sesquihyd
MTD00H

(2S)-2-AMINO-3-(3,4-DIHYDROXYPHENYL)-2-METHYLPROPANOIC ACID SESQUIHYDRATE
CAS:41372-08-1
Carbidopa EP Impurity A (Sesquihydrate) L-Methyld
CBD01H

(2S)-2-AMINO-3-(3,4-DIHYDROXYPHENYL)PROPANOIC ACID
CAS:59-92-7
Levodopa L-Dopa
LDP00B

(2S)-2-AMINO-3-(3,4-DIMETHOXYPHENYL)-2-METHYLPROPANOIC ACID
CAS:39948-18-0
Methyldopa EP Impurity C (Base) Methyldopa USP RC
MTD03B

(2S)-2-Amino-3-(3,4-dimethoxyphenyl)-2-methylpropanoic acid HCl
CAS:5486-79-3
Methyldopa EP Impurity C (HCl) Methyldopa USP RC
MTD03H

(2S)-2-AMINO-3-(3,4-DIMETHOXYPHENYL)PROPANOIC ACID
CAS:32161-30-1
Levodopa Dimethyl Ether (Base) L-Dopa Dimethyl Et
LDP50B

(2S)-2-Amino-3-(4-hydroxy-3,5-diiodophenyl)propanoic acid
CAS:300-39-0
Liothyronine EP Impurity B Diiodotyrosine
LTN02B

(2S)-2-AMINO-3-(4-HYDROXY-3-METHOXYPHENYL)-2-METHYLPROPANOIC ACID
CAS:6739-31-7
Methyldopa EP Impurity A 3-O-Methyl Methyldopa
MTD01

(2S)-2-AMINO-3-(4-HYDROXY-3-METHOXYPHENYL)PROPANOIC ACID
CAS:300-48-1
Levodopa EP Impurity C (S)-Isomer (Anhydrous) 3-O
LDP63B

(2S)-2-Amino-3-(4-hydroxy-3-methoxyphenyl)propanoic acid HCl
CAS:63302-24-9
Levodopa EP Impurity C (S)-Isomer (HCl) 3-O-Methy
LDP63H

(2S)-2-Amino-3-(4-hydroxy-3-methoxyphenyl)propanoic acid monohydrate
CAS:200630-46-2
Levodopa EP Impurity C (S)-Isomer (Monohydrate) 3
LDP63M

(2S)-2-AMINO-3-(4-HYDROXYPHENYL)PROPANOIC ACID
CAS:60-18-4
Levodopa EP Impurity B L-Tyrosine
LDP02B

(2S)-2-AMINO-3-(4-MORPHOLIN-4-YLPHENYL)PROPANOIC ACID
CAS:1270153-04-2
Melphalan EP Impurity B
MLP02

(2S)-2-Amino-3-[4-(3-chloro-4-hydroxy-5-iodophenoxy)-3,5-diiodophenyl] propanoic acid
CAS:1628720-66-0
Levothyroxine EP Impurity B 3-Chloro Thyroxine L
LTX02

(2S)-2-Amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoic acid
CAS:51-48-9
Liothyronine EP Impurity A (Acid) Levothyroxine
LTN01A

(2S)-2-Amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl)propanoic acid sodium salt pentahydrate
CAS:25416-65-3
Liothyronine EP Impurity A (Sodium) Levothyroxine
LTN01N

(2S)-2-Amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoic acid
CAS:51-48-9
Levothyroxine (Acid)
LTX00A

(2S)-2-Amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3-iodophenyl] propanoic acid
CAS:5817-39-0
Levothyroxine EP Impurity K 3,3�,5�-Triiodo-L-Th
LTX11

(2S)-2-AMINO-3-[4-(4-HYDROXY-3-IODOPHENOXY)-3,5-DIIODOPHENYL]PROPANOIC ACID
CAS:2/3/6893
Levothyroxine EP Impurity A Liothyronine (Acid)
LTX01

(2S)-2-AMINO-3-[4-(4-HYDROXY-3-IODOPHENOXY)-3,5-DIIODOPHENYL]PROPANOIC ACID
CAS:2/3/6893
Liothyronine (Acid) Levothyroxine EP Impurity A
LTN00A

(2S)-2-Amino-3-[4-(4-hydroxy-3-iodophenoxy)-3-iodophenyl] propanoic acid
CAS:4604-41-5
Levothyroxine EP Impurity J 3,3�-Diiodo-L-Thyron
LTX10

(2S)-2-Amino-3-[4-(4-hydroxyphenoxy)-3,5-diiodophenyl]-propanoic acid
CAS:1041-01-6
Levothyroxine EP Impurity E Liothyronine EP Impur
LTX05

(2S)-2-amino-3-[4-(4-hydroxyphenoxy)-3,5-diiodophenyl]propanoic acid
CAS:1041-01-6
Liothyronine EP Impurity E Levothyroxine EP Impur
LTN05B

(2S)-2-AMINO-3-METHYL-3-SULFANYLBUTANOIC ACID
CAS:52-67-5
Penicillamine
PCL00

(2S)-2-AMINO-3-METHYL-3-SULFINOBUTANOIC ACID
CAS:23315-18-6
Sulbactam EP Impurity A Sulbactam USP RC A 3-Sul
SBT01

(2S)-2-AMINO-3-PHENYLPROPANOIC ACID
CAS:63-91-2
Nateglinide EP Impurity D L-Phenylalanine Aspart
NTG04

(2S)-2-Amino-6-[[[[[(4S,4aS,5aS,6S,12aS)-4-(dimethylamino)-3,6,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracen-2-yl]carbonyl]amino]-methyl]amino]hexanoic acid
CAS:992-21-2
Lymecycline
LMC00

(2S)-2-HYDRAZINO-3-(3-HYDROXY-4-METHOXYPHENYL)-2-METHYLPROPANOIC ACID
CAS:1361017-74-4
Carbidopa EP Impurity H 4-O-Methylcarbidopa
CBD08

(2S)-2-Hydrazino-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoic acid
Carbidopa EP Impurity C 3-O-Methyl Carbidopa
CBD03

(2S)-2-HYDROXY-2-PHENYLACETIC ACID
CAS:17199-29-0
Atomoxetine EP Impurity E L-Mandelic Acid (S)-(+
ATM05

(2S)-2-Methylbutanoic acid (1S,3S,7S,8S,8aR)-8-[2-[(2R)-3,6-dihydro-6-oxo-2H-pyran-2-yl]ethyl]-1,2,3,7,8,8a-hexahydro-3-hydroxy-7-methyl-1-naphtha lenyl ester
CAS:1114834-63-7
Pravastatin 2,3-Anhydro Lactone 2,3-Anhydro Prava
PVS38

(2S)-2-METHYLBUTANOIC ACID (1S,6R,7R,8S,8AR)-1,2,6,7,8,8A-HEXAHYDRO-6-HYDROXY-7-METHYL-8-[2-[(2R,4R)-TETRAHYDRO-4-HYDROXY-6-OXO-2H-PYRAN-2-YL]ETHYL]-1-NAPHTHALENYL ESTER
CAS:87984-67-6
Pravastatin 3-beta-Hydroxy Lactone 3-beta-Hydroxy
PVS44

(2S)-2-Methylbutanoic acid (1S,6S,7R,8S,8aR)-1,2,6,7,8,8a-hexahydro-6-hydroxy-7-methyl-8-[2-[(2R,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethyl]-1-naphthalenyl ester
CAS:85798-96-5
Pravastatin 3-alpha-Hydroxy Lactone 3-alpha-Hydro
PVS43

(2S)-3,4-Dihydro-6-hydroxy-2,5,7,8-tetramethyl-2H-1-benzopyran-2-carboxylic acid
CAS:53174-06-4
Trolox (S)-Isomer (S)-Trolox
TLX60

(2S)-3-(2-Bromo-4,5-dihydroxyphenyl)-2-hydrazino-2-methylpropanoic acid
CAS:43197-33-7
Carbidopa EP Impurity J 2-Bromo (S)-Carbidopa
CBD10

(2S)-3-(3,4-Dihydroxyphenyl)-2-hydrazino-2-methylpropanoic acid monohydrate
CAS:38821-49-7
Carbidopa (Monohydrate)
CBD00H

(2S)-3-(3-Bromo-4,5-dihydroxyphenyl)-2-hydrazino-2-methylpropanoic acid
CAS:1246819-09-9
Carbidopa EP Impurity I 3-Bromo (S)-Carbidopa
CBD09

(2S)-3-(4-PHENYLPIPERAZIN-1-YL)PROPANE-1,2-DIOL
CAS:99291-25-5
Levodropropizine Dropropizine S-Isomer
LDZ00

(2S)-3-Acetoxy-2-((2-amino-6-oxo-1,6-dihydropurin-9-yl)methoxy)propyl 2-(benzyloxycarbonyl)-3-methylbutanoate
CAS:194159-22-3
Valganciclovir O-Acetyl N-Benzyloxycarbonyl Impuri
VGC52

(2S)-3-Methyl-2-[[methyl[[2-(1-methylethyl)thiazol-4-yl]methyl]carbamoyl] amino]butanoicacid
CAS:154212-61-0
Ritonavir EP Impurity A Ureidovaline Ritonavir (
RTN01

(2S)-3-Phenyl-2-[(pyrazin-2-ylcarbonyl)amino]propanamide
CAS:289472-80-6
Bortezomib USP Impurity B Bortezomib Amide Analog
BTZ52

(2S)-3-Phenyl-2-[(pyrazin-2-ylcarbonyl)amino]propanoic acid methyl ester
CAS:73058-37-4
Bortezomib Acid Methyl Ester Bortezomib Impurity
BTZ44

(2S)-3-Phenyl-2-[(pyrazin-2-ylcarbonyl)amino]propanoic acid N-(2-Pyrazinyl carbonyl)-L-phenylalanine (S)-3-Phenyl-2-(pyrazine-2-carboxamido)propanoic acid
CAS:114457-94-2
Bortezomib USP Impurity D Bortezomib Acid Analog
BTZ54

(2S)-4-AMINO-2-HYDROXYBUTANOIC ACID
CAS:40371-51-5
Amikacin EP Impurity I
AMK09

(2S)-4-Amino-4-oxo-2-[(quinolin-2-ylcarbonyl)amino]butanoic acid
CAS:136465-98-0
Saquinavir EP Impurity A
SQN01

(2S)-5,7-Dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-2,3-dihydro-4H-1-benzopyran-4-one 3�,5,7-Trihydroxy-4�-methoxy-flavanone
CAS:520-33-2
Diosmin EP Impurity G Diosmin BP Impurity G (S)
DSM07

(2S)-5-Hydroxy-N-propyl-N-[2-(thiophen-2-yl)ethyl]-1,2,3,4-tetrahydronaphthalen-2-amine N-oxide
Rotigotine EP Impurity E (Base) Rotigotine N-Oxid
RTG05B

(2S)-5-Hydroxy-N-propyl-N-[2-(thiophen-2-yl)ethyl]-1,2,3,4-tetrahydronaphthalen-2-amine N-oxide hydrochloride
Rotigotine EP Impurity E (HCl) Rotigotine N-Oxide
RTG05H

(2S)-7-[(2S,3R,4S,5S,6R)-4,5-Dihydroxy-6-(hydroxymethyl)-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-2-(4-hydroxyphenyl)chroman-4-one
CAS:10236-47-2
Naringin (Anhydrous)
NRN00

(2S)-7-[[6-O-(6-Deoxy-a-L-mannopyranosyl)-�-D-glucopyranosyl]oxy]-2,3-dihydro-5-hydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one
CAS:14259-46-2
Naringenin 7-O-Rutinoside Isonaringin
NGX56

(2S)-7-[[6-O-(6-deoxy-a-L-mannopyranosyl)-�-D-glucopyranosyl]oxy]-2,3-dihydro-5-hydroxy-2-(4-methoxyphenyl)-4H-1-benzopyran-4-one
CAS:14259-47-3
Diosmin Deshydroxy Dihydro (2S)-Isomer Didymin N
DSM50

(2S)-7-[[6-O-(6-Deoxy-a-L-mannopyranosyl)-�-D-glucopyranosyl]oxy]-5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-2,3-dihydro-4H-1-benzopyran-4-one
CAS:520-26-3
Diosmin EP Impurity B Diosmin BP Impurity B Dihy
DSM02

(2S)-DIMETHYL 2-(4-(1-(2,4-DIAMINOPTERIDIN-6-YL)PENT-4-YN-2-YL)BENZAMIDO)PENTANEDIOATE
CAS:374777-77-2
Pralatrexate RC 7
PXT57

(2S)-Ethyl 2-(((((2R,3R,4R,5R)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-fluoro-3-hydroxy-4-methyltetrahydrofuran-2-yl)methoxy)(phenoxy)phosphoryl)amino)propanoate
CAS:1064684-30-5
Sofosbuvir IP Impurity E Sofosbuvir Ethyl Analog
SFS75

(2S)-Methyl 2-(((((2R,3R,4R,5R)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-fluoro-3-hydroxy-4-methyltetrahydrofuran-2-yl)methoxy)(phenoxy)phosphoryl)amino)propanoate
CAS:1015255-46-5
Sofosbuvir O-Desisopropyl O-Methyl Ester PSI 7672
SFS68

(2S)-N-[(1R,3S,4S)-1-Benzyl-4-[[2-(2,6-dimethylphenoxy)acetyl]amino]-3-hydroxy-5-phenylpentyl]-3-methyl-2-[2oxotetrahydropyrimidin-1(2H)-yl]butanamide
CAS:1217628-64-2
Lopinavir EP Impurity P Lopinavir (2R)-Epimer (US
LPN16

(2S)-N-[(1S,2S,4S)-1-benzyl-2-hydroxy-4-[[(2S)3-methyl-2-[[methyl[[2-(1-methylethyl)thiazol-4yl]methyl]carbamoyl]amino]butanoyl]amino]-5-phenylpentyl]-3-methyl-2-[[methyl[[2-(1-methylethyl)thiazol-4-yl]methyl] carbamoyl]amino]butanamide
CAS:869368-48-9
Ritonavir EP Impurity T Ritonavir Divalinyl analo
RTN20

(2S)-N-[(1S,2S,4S)-1-Benzyl-4-[[2-(2,6-dimethylphenoxy)acetyl]amino]-2-hydroxy-5-phenylpentyl]-3-methyl-2-[2oxotetrahydropyrimidin-1(2H)-yl]butanamide
Lopinavir EP Impurity I Lopinavir Isomer Isolopi
LPN09

(2S)-N-[(1S,3S,4S)-1-Benzyl-4-({[4-(2-{[(1S,2S,4S)-1-benzyl-2-hydroxy-4-{[(2S)-3-methyl-2-(2-oxotetrahydropyrimidin-1(2H)-yl)butanoyl]amino}-5-phenylpentyl]amino}-2-oxoethyl)-2,6-dimethylphenoxy]acetyl}amino)-3-hydroxy-5-phenylpentyl]-3-methyl-2-(2-oxotet
Lopinavir IP Impurity D
LPN54

(2S)-N-[(1S,3S,4S)-1-BENZYL-4-(FORMYLAMINO)-3-HYDROXY5-PHENYLPENTYL]-3-METHYL-2-[2-OXOTETRAHYDROPYRIMIDIN1(2H)-YL]BUTANAMIDE
Lopinavir EP Impurity B Lopinavir N-Formyl Amino
LPN02

(2S)-N-[(1S,3S,4S)-1-Benzyl-4-[[2-(2,4-dimethylphenoxy)acetyl]amino]-3-hydroxy-5-phenylpentyl]-3-methyl-2-[2oxotetrahydropyrimidin-1(2H)-yl]butanamide
Lopinavir EP Impurity J Lopinavir 2,4-Phenoxy Iso
LPN10

(2S)-N-[(1S,3S,4S)-1-Benzyl-4-[[2-(2,6-dimethylphenoxy)acetyl]amino]-3-hydroxy-5-phenylpentyl]-2-[3-[2-(2,6dimethylphenoxy)acetyl]-2-oxotetrahydropyrimidin1(2H)-yl]-3-methylbutanamide
CAS:943250-66-6
Lopinavir EP Impurity R Lopinavir IP Impurity I
LPN18

(2S)-N-[(1S,3S,4S)-1-Benzyl-4-[[2-(2,6-dimethylphenoxy)acetyl]amino]-3-hydroxy-5-phenylpentyl]-3-methyl-2-[2-oxotetrahydropyrimidin-1(2H)-yl]butanamide
CAS:192725-17-0
Lopinavir
LPN00

(2S)-N-[(1S,3S,4S)-1-Benzyl-4-{[(2,6-dimethylphenoxy)acetyl]amino}-3-hydroxy-5-phenylpentyl]-4-methyl-2-(2-oxotetrahydropyrimidin-1(2H)-yl)pentanamide
Lopinavir IP Impurity G
LPN57

(2S)-N-[(1S,3S,4S)-1-Benzyl-4-amino-3-hydroxy-5-phenylpentyl]-3-methyl-2-[2-oxotetrahydropyrimidin- 1(2H)-yl]butanamide
CAS:192726-05-9
Lopinavir EP Impurity A (Base) Lopinavir Free Ami
LPN01B

(2S)-N-[(1S,3S,4S)-1-Benzyl-4-amino-3-hydroxy-5-phenylpentyl]-3-methyl-2-[2-oxotetrahydropyrimidin- 1(2H)-yl]butanamide hydrochloride
Lopinavir EP Impurity A (HCl) Lopinavir Free Amin
LPN01H

(2S)-N-propyl-5-[2-(thiophen-2-yl)ethoxy]-N-[2-(thiophen-2-yl)ethyl]-1,2,3,4-tetrahydronaphthalen-2-amine
Rotigotine EP Impurity J Rotigotine Thienylethyl
RTG10B

(2S)-N1-(4-METHYL-5-(2-(1,1,1-TRIFLUORO-2-METHYLPROPAN-2-YL)PYRIDIN-4-YL)THIAZOL-2-YL)PYRROLIDINE-1,2-DICARBOXAMIDE
CAS:1217486-61-7
Alpelisib
APB00

(2S)-N1-[(1S,2R)-1-Benzyl-3-[(3S,4aS,8aS)-3-[(1,1-dimethylethyl)carbamoyl]octahydroisoquinolin-2(1H)-yl]-2-hydroxypropyl]-2-[(quinolin-2-ylcarbonyl)amino]-butanediamide
CAS:127779-20-8
Saquinavir (Base)
SQN00B

(2S, 3S, 5R)-3-Methyl-4,4,7-trioxo-3-(1H -1,2,3-triazol-1-ylmethyl)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
CAS:89786-04-9
Tazobactam (Acid)
TZB00A

(2S, 4S)-1-((S)-3-(1-Ethyl-2,5-dioxopyrrolidin-3-ylthio)-2-methylpropanoyl)-4-(phenylthio)pyrrolidine-2-carboxylic acid
CAS:1217526-22-1
Zofenoprilat N-Ethyl Succinimide Zofenoprilat NES
ZFP51

(2S,11S,14R,17S)-17-((1H-Indol-3-yl)methyl)-14-(2-amino-2-oxoethyl)-2-(3-aminopropyl)-11-(carboxymethyl)-8-((R)-1-hydroxyethyl)-4,7,10,13,16,19-hexaoxo-3,6,9,12,15,18-hexaazaoctacosan-1-oic acid trifluoroacetic acid salt
Daptomycin Impurity B2 Decanoyl-Trp-(D-Asn)-Asp-T
DPT72T

(2S,12Z,14E,16S,17S,18R,19R,20R,21S,22R,23S,24E)5,6,9,17,19-Pentahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-8-[[(4-methylpiperazin-1-yl)imino]methyl]-1,11-dioxo-1,2-dihydro-2,7-(epoxypentadeca[1,11,13]trienimino)naphto[2,1-b]furan-21-yl acetate
CAS:13292-46-1
Rifampicin
RFP00

(2S,16Z,18E,20R,21S,22R,23R,24R,25S,26R,27S,28E)-5,6,20, 21,23- Pentahydroxy-27-methoxy-2,4,11,16,20,22,24,26-octamethyl-1,15-dioxo-1,2-dihydro-2,7-(epoxypentadeca[1,11,13]-trienoimino)[1]benzofuro[4,5-e] pyrido[1,2-a]benzimidazol-25-yl acetate
Rifaximin EP Impurity D Rifaximin Y
RFX04

(2S,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)-5,6,21,23-Tetrahydroxy-16-(hydroxymethyl)-27-methoxy-2,4,11,20,22,24,26-heptamethyl-1,15-dioxo-1,2-dihydro-2,7-(epoxypentadeca[1,11,13] trienoimino)[1]benzofuro-[4,5-e]pyrido[1,2-a]benzimidazol-25-yl acetat
CAS:1210022-90-4
Rifaximin EP Impurity H 16-Desmethyl-16-Hydroxyme
RFX08

(2S,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)-5,6,21,23-Tetrahydroxy-27-methoxy-2,4,11,16,20,22,24,26-octamethyl-1,15-dioxo-1,2-dihydro-2,7-(epoxypentadeca[1,11,13]trienoimino)[1]benzofuro[4,5-e] pyrido[1,2-a] benzimidazol-25-yl acetate
CAS:80621-81-4
Rifaximin
RFX00

(2S,2'S)-1,1'-[[(3-Hydroxytricyclo[3.3.1.1(3,7)]dec-1-yl)imino]bis(1-oxo-2,1-ethanediyl)]di(2-pyrrolidinecarbonitrile)
CAS:1036959-23-5
Vildagliptin Dimer Impurity (Base) Vildagliptin T
VDG45B

(2S,2'S)-1,1'-[[(3-Hydroxytricyclo[3.3.1.1(3,7)]dec-1-yl)imino]bis(1-oxo-2,1-ethanediyl)]di(2-pyrrolidinecarbonitrile) hydrochloride
Vildagliptin Dimer Impurity (HCl) Vildagliptin Te
VDG45H

(2S,2'S)-1,1'-[Disulphanediylbis[(2S)-2-methyl-1-oxopropane-3,1-diyl]-bis[pyrrolidine-2-carboxylic] acid
CAS:64806-05-9
Captopril EP Impurity A Captopril USP RC A Capto
CPR01

(2S,2'S)-2,2'-(Ethylenediimino)dibutan-1-ol dihydrochloride
CAS:1070-11-7
Ethambutol Dihydrochloride
ETB00H

(2S,2`S)-2,2`-([1,1`-Biphenyl]-4,4`-diyldi-1H-imidazole-5,2-diyl)bis-1-pyrrolidinecarboxylic acid 1,1`-bis(1,1-dimethylethyl) ester
CAS:1007882-23-6
Daclatasvir t-Butyl Ester
DCL44B

(2S,3aR,7aS)-1-[(2S)-2-[[(1S)-1-(Ethoxycarbonyl)-3-phenylpropyl] amino] propanoyl] octahydro-1H-indole-2-carboxylic acid
CAS:87679-37-6
Trandolapril
TDL00

(2S,3aR,7aS)-1-[(2S)-2-[[(1S)-1-(Methoxycarbonyl)-3-phenylpropyl] amino] propanoyl] octahydro-1H-indole-2-carboxylic acid
CAS:118194-41-5
Trandolapril EP Impurity A Trandolapril USP RC A
TDL01

(2S,3aR,7aS)-1-[(2S)-2-[[(1S)-1-[(1-Methylethoxy) carbonyl]-3-phenylpropyl] amino] propanoyl] octahydro-1H-indole-2-carboxylic acid
Trandolapril EP Impurity B Trandolapril USP RC B
TDL02

(2S,3aR,7aS)-1-[(2S)-2-[[(1S)-1-Carboxy-3-phenylpropyl] amino] propanoyl] octahydro-1H-indole-2-carboxylic acid
CAS:87679-71-8
Trandolapril EP Impurity E (Acid) Trandolapril US
TDL05A

(2S,3aR,7aS)-1-[(2S)-2-[[(1S)-1-Carboxy-3-phenylpropyl] amino] propanoyl] octahydro-1H-indole-2-carboxylic acid monohydrate
CAS:951393-55-8 951393-57-0
Trandolapril EP Impurity E (Monohydrate) Trandola
TDL05H

(2S,3aR,7aS)-1-[N(S)-1-Carboxy-3-cyclohexyl propyl]- L-alanyl]hexahydro-2-ndolinecarboxylic acid 1-ethyl ester HCl
Trandolapril EP Impurity C Trandolapril USP RC C
TDL03H

(2S,3aS,6aS)-1-(N-((S)-1-Ethoxy-1-oxo-4-phenylbutan-2-yl)-N-nitroso-L-alanyl)octahydrocyclopenta[b]pyrrole-2-carboxylic acid
Ramipril N-Nitroso Impurity
RMP48

(2S,3aS,6aS)-1-[(2S)-2-[[(1S)-1-(Ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]octahydrocyclopenta[b]pyrrole-2-carboxylic acid
CAS:87333-19-5
Ramipril
RMP00

(2S,3aS,6aS)-1-[(2S)-2-[[(1S)-1-(Isopropyloxy carbonyl)-3-phenylpropyl] amino]-1-oxopropyl]octahydrocyclopenta[b]pyrrole-2-carboxylic acid
CAS:295328-72-2
Ramipril EP Impurity B Ramipril USP RC B Ramipri
RMP02

(2S,3aS,6aS)-1-[(2S)-2-[[(1S)-1-(Methoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]octahydrocyclopenta[b]pyrrole-2-carboxylic acid
CAS:108313-11-7
Ramipril EP Impurity A Ramipril USP RC A Ramipri
RMP01

(2S,3aS,6aS)-1-[(2S)-2-[[(1S)-1-Carboxy-3-phenyl propyl]amino]-1-oxopropyl] octahydrocyclo penta [b]pyrrole-2-carboxylic acid
CAS:87269-97-4
Ramipril EP Impurity E (Acid) Ramipril Diacid Ra
RMP05A

(2S,3aS,6aS)-1-[(2S)-2-[[(1S)-1-Carboxy-3-phenyl propyl]amino]-1-oxopropyl] octahydrocyclo penta [b]pyrrole-2-carboxylic acid disodium salt
Ramipril EP Impurity E (Disodium Salt) Ramipril D
RMP05N

(2S,3aS,6aS)-1-[(R)-2-[[(S)-1-(Ethoxycarbonyl)-3-phenylpropyl] amino] propanoyl]octahydrocyclopenta[b]pyrrole-2-carboxylic acid
CAS:104195-90-6
Ramipril EP Impurity H Ramipril (R,S-S,S,S)-Isome
RMP08

(2S,3aS,6aS)-1-[(S)-2-[[(R)-1-(Ethoxycarbonyl)-3-phenylpropyl]amino] propanoyl]octahydrocyclopenta[b]pyrrole-2-carboxylic acid
CAS:129939-65-7
Ramipril EP Impurity I (Base) Ramipril (S,R-S,S,S
RMP09B

(2S,3aS,6aS)-1-[(S)-2-[[(R)-1-(Ethoxycarbonyl)-3-phenylpropyl]amino] propanoyl]octahydrocyclopenta[b]pyrrole-2-carboxylic acid hydrochloride
Ramipril EP Impurity I (HCl) Ramipril HCl (S,R-S,
RMP09H

(2S,3AS,6AS)-OCTAHYDROCYCLOPENTA[B]PYRROLE-2-CARBOXYLIC ACID
CAS:87679-21-8
Ramipril Bicyclic Acid
RMP36

(2S,3aS,6aS)1-[(S)-2-[[(S)-3-Cyclohexyl-1-(ethoxycarbonyl)propyl]amino] propanoyl]octahydrocyclopenta[b] pyrrole-2-carboxylic acid hydrochloride
CAS:99742-35-5
Ramipril EP Impurity C Ramipril USP RC C Ramipri
RMP03H

(2S,3aS,7aS)-1-[(2S)-2-[(5RS)-3-Cyclohexyl-2,4-dioxo-5-propylimidazolidin-1-yl]propanoyl]octahydro-1H-indole-2-carboxylic acid
CAS:353777-66-9
Perindopril EP Impurity G
PRD07

(2S,3aS,7aS)-1-[(2S)-2-[(5RS)-3-Cyclohexyl-2-(cyclohexylimino)-4-oxo-5-propylimidazolidin-1-yl]propanoyl]octahydro-1H-indole-2-carboxylic acid
CAS:353777-64-7
Perindopril EP Impurity H
PRD08

(2S,3aS,7aS)-1-[(2S)-2-[[(1S)-1-(Ethoxycarbonyl) butyl]-N-nitrosoamino]propanoyl] octahydro-1H-indole-2-carboxylic acid
Perindopril N-Nitroso Impurity N-Nitroso Perindop
PRD48

(2S,3aS,7aS)-1-[(2S)-2-[[(1S)-1-(Ethoxycarbonyl) butyl]amino]propanoyl] octahydro-1H-indole-2-carboxylic acid
CAS:82834-16-0
Perindopril (Acid)
PRD00A

(2S,3AS,7AS)-1-[(2S)-2-[[(1S)-1-(ETHOXYCARBONYL)BUTYL]AMINO]-1-OXOPROPYL]OCTAHYDRO-1H-INDOLE-2-CARBOXYLIC ACID BENZYL ESTER
CAS:122454-52-8
Perindopril benzyl ester
PRD38

(2S,3aS,7aS)-1-[(2S)-2-[[(1S)-1-Carboxybutyl]amino]propanoyl] octahydro-1H-indole-2-carboxylic acid
CAS:95153-31-4
Perindopril EP Impurity B Perindopril USP RC B P
PRD02

(2S,3aS,7aS)-1-[(2S)-2-[[(1S)-1-Carboxybutyl]amino]propanoyl] octahydro-1H-indole-2-carboxylic acid methyl ester
Perindopril EP Impurity M Perindoprilat Methyl Es
PRD13

(2S,3aS,7aS)-1-[(2S)-2-[[1-[(1-Methylethoxy)carbonyl]butyl] amino]propanoyl]octahydro-1H-indole-2-carboxylic acid (supplied as a mixture of 2 diastereomers)
CAS:1356837-89-2 (1S)
Perindopril EP Impurity E Perindopril USP RC E P
PRD05

(2S,3aS,7aS)-1-[(2S)-2-Aminopropanoyl]octahydro-1H-indole-2-carboxylic acid
CAS:685523-06-2
Perindopril EP Impurity J
PRD10

(2S,3aS,7aS)-1-Acetyloctahydro-1H-indole-2-carboxylic Acid
CAS:111836-22-7
Perindopril EP Impurity L Perindopril Bicyclic Ac
PRD12

(2S,3AS,7AS)-OCTAHYDRO-1H-INDOLE-2-CARBOXYLIC ACID
CAS:80875-98-5
Perindopril EP Impurity A Perindopril USP RC A P
PRD01

(2S,3aS,7aS)-Octahydro-1H-indole-2-carboxylic acid benzyl ester HCl
CAS:87269-87-2
Ramipril Bicyclic Acid Benzyl Ester (HCl Salt)
RMP37H

(2S,3R)-2-((1R)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluoro phenyl)morpholine
CAS:1185503-48-3
Aprepitant M2 Metabolite (1R, 2S, 3R)-Isomer
APP53B

(2S,3R)-2-((1S)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluoro phenyl)morpholine
CAS:327623-37-0
Aprepitant M2 Metabolite (1S, 2S, 3R)-Isomer Apre
APP57B

(2S,3R)-2-(2,4-DIFLUOROPHENYL)-1-(1H-1,2,4-TRIAZOL-1-YL)BUTANE-2,3-DIOL
CAS:135272-36-5
Efinaconazole (2S,3R)-Diol Impurity
EFC73

(2S,3R)-2-(2,4-Difluorophenyl)-3-(4-methylenepiperidin-1-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol
CAS:2055038-61-2
Efinaconazole (2S,3R)-Isomer (Base)
EFC52B

(2S,3R)-2-(2,4-Difluorophenyl)-3-(4-methylenepiperidin-1-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol oxalate
Efinaconazole (2S,3R)-Isomer (Oxalate)
EFC52X

(2S,3R)-2-(2,4-Difluorophenyl)-3-pyrimidin-4-yl-1-(1H-1,2,4-triazol-1-yl) butan-2-ol
CAS:137234-63-0
Voriconazole EP Impurity D Voriconazole USP RC B
VRC04

(2S,3R)-2-AMINO-3-(2,3-DIHYDROBENZO[B][1,4]DIOXIN-6-YL)-3-HYDROXY-1-(PYRROLIDIN-1-YL)PROPAN-1-ONE
CAS:686710-19-0
Eliglustat Impurity 5 Eliglustat Amide Amino Alco
EGS65

(2S,3R)-2-Amino-3-(3,4-dihydroxyphenyl)3-hydroxypropanoic acid
CAS:23651-95-8
Droxidopa L-threo 3,4-Dihydroxyphenylserine
DXD00

(2S,3R)-2-Amino-3-(3,4-dihydroxyphenyl)3-hydroxypropanoic acid and enantiomer
CAS:3916-18-5
Droxidopa DL-threo Impurity DL-threo 3,4-Dihydrox
DXD50

(2S,3R)-2-Ethyl-3-(hydroxymethyl)-4-(1-methyl-1H-imidazol-5-yl)butanoic acid
CAS:28406-15-7
Pilocarpine EP Impurity B Pilocarpic Acid
PCP02A

(2S,3R)-2-Ethyl-3-(hydroxymethyl)-4-(1-methyl-1H-imidazol-5-yl)butanoic acid sodium salt
CAS:92598-79-3
Pilocarpine EP Impurity B (Sodium) Pilocarpic Aci
PCP02N

(2S,3R)-3-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-3-hydroxy-2-((S)-2-hydroxy-1-phenylethylamino)-1-(pyrrolidin-1-yl)propan-1-one
CAS:491833-26-2
Eliglustat Impurity 6 Eliglustat Acetamide Amino
EGS66

(2S,3R)-3-(2,5-DIFLUOROPHENYL)-3-HYDROXY-2-METHYL-4-(1H-1,2,4-TRIAZOL-1-YL)BUTANENITRILE
CAS:241479-74-3
Isavuconazole RC 1
ISV61

(2S,3R)-5-(2-((6-((2-(((2S,3S)-3-Carboxylato-2,3-dihydroxypropanoyl)oxy)ethyl)(2-hydroxyethyl)amino)-4,8-di(piperidin-1-yl)pyrimido[5,4-d]pyrimidin-2-yl)(2-hydroxyethyl)amino)ethoxy)-2,3-dihydroxy-5-oxopentanoic acid
CAS:1316276-51-3
Dipyridamole Ditartaric Acid Diester
DPR52A

(2S,3R)-Allyl 2-(3-bromo-2-oxopropyl)-3-methoxypiperidine-1-carboxylate
CAS:117348-70-6
Halofuginone RC 1 Alloc Bromoridane
HLF61

(2S,3R)-Benzyl 3-(benzyloxycarbonyloxy)-2-(2-oxopropyl)piperidine-1-carboxylate
CAS:1091605-46-7
Halofuginone RC 3
HLF63

(2S,3R)-Benzyl 3-hydroxy-2-(2-oxopropyl)piperidine-1-carboxylate
CAS:1091605-42-3
Halofuginone RC 2
HLF62

(2S,3R)-Methyl 5-oxo-3-phenylpyrrolidine-2-carboxylate
CAS:1784747-50-7
Baclofen RC 7
BCF67

(2S,3R)-�-[[(1,1-Dimethylethoxy)carbonyl]amino]-a-hydroxybenzenepropanoic acid (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-7,11-met
CAS:1714967-27-7
Cabazitaxel (2S,3R)-Isomer
CZT60

(2S,3R,3aS,6R,6aS,8R,9S,10aR,10bR)-Decahydro-2-methoxy-3,6,9-trimethyl-10aH-9,10b-epoxypyrano[4,3,2-jk][2]benzoxepin-8-ol
CAS:174097-70-2
Artemether 3a-Hydroxy Deoxy Impurity
AMH53

(2S,3R,4R,5R)-2-(4-Aminopyrrolo[1,2-f][1,2,4]triazin-7-yl)-3,4-bis(benzyloxy)-5-(benzyloxymethyl)-tetrahydrofuran-2-ol
CAS:1911578-73-8
Remdesivir Impurity 9
RDV69

(2S,3R,4R,5R,6S)-2-[(2R,3R,4S,5S,6R)-2-[[(3S,5R,6S,8R,9R,10R,12R,13R,14R,17S)-3,12-dihydroxy-4,4,8,10,14-pentamethyl-17-[(2S)-6-methyl-2-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyhept-5-en-2-yl]-2,3,5,6,7,9,11,12,13,15,16,17-dodecah
CAS:52286-59-6
Ginsenoside Re Panaxoside Re
GSN56

(2S,3R,4R,5S,6R)-2-(2-(4-Ethoxyphenethyl)-4-bromophenyl)-6-(hydroxymethyl)-tetrahydro-2H-pyran-3,4,5-triol
Dapagliflozin RC 7
DPG67

(2S,3R,4R,5S,6R)-2-(3'-Chloro-2'-(3-ethoxybenzyl)-5-(4-ethoxybenzyl)-[1,1'-biphenyl]-3-yl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol
Dapagliflozin RC 24 Desglucuronide Dapagliflozin
DPG84

(2S,3R,4R,5S,6R)-2-(3-(2-Ethoxybenzyl)-4-chlorophenyl)-6-(hydroxymethyl)-tetrahydro-2H-pyran-3,4,5-triol
CAS:2040305-05-1
Dapagliflozin RC 20 Dapagliflozin ortho-Isomer
DPG80

(2S,3R,4R,5S,6R)-2-(4-Chloro-3-(4-ethoxybenzyl)phenyl)-6- (hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol
CAS:461432-26-8
Dapagliflozin
DPG00A

(2S,3R,4R,5S,6R)-2-(4-Chloro-3-(4-ethoxybenzyl)phenyl)-6- (hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol (S)-propane-1,2-diol (11) monohydrate
CAS:960404-48-2
Dapagliflozin Propanediol Hydrate
DPG00P

(2S,3R,4S,5R)-1-(3-(4-Ethoxybenzyl)-4-chlorophenyl)hexane-1,2,3,4,5,6-hexaol
CAS:1938090-31-3
Dapagliflozin RC 33
DPG93

(2S,3R,4S,5R)-2-(3-((S)-4-((S)-Tetrahydrofuran-3-yloxy)benzyl)-4-chlorophenyl)-5-((R)-1,2-dihydroxyethyl)-tetrahydrofuran-3,4-diol
Empagliflozin 1,4-Anhydro-1,5-Dihydroxy Impurity
EGF51

(2S,3R,4S,5R)-2-(4-Aminopyrrolo[1,2-f][1,2,4]triazin-7-yl)-3,4-dihydroxy-5-(hydroxymethyl)-tetrahydrofuran-2-carbonitrile
CAS:1355049-95-4
Remdesivir Impurity 10
RDV70

(2S,3R,4S,5R,6R)-2-(((S)-7-Acetamido-1,2-dimethoxy-9-(methylthio)-10-oxo-5,6,7,10-tetrahydrobenzo[a]heptalen-3-yl)oxy)-6-(acetoxymethyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate
Thiocolchicoside Tetraacetate Isomer Isothiocolch
TCS61

(2S,3R,4S,5R,6R)-6-(ACETOXYMETHYL)-2-(4-CHLORO-3-(4-ETHOXYBENZYL)PHENYL)-2-METHOXYTETRAHYDRO-2H-PYRAN-3,4,5-TRIYL TRIACETATE
CAS:714269-58-6
Dapagliflozin Methoxy Tetraacetate
DPG40

(2S,3R,4S,5S)-2-(3-(4-Ethoxybenzyl)-4-chlorophenyl)-6,6-bis(hydroxymethyl)-2-methoxy-tetrahydro-2H-pyran-3,4,5-triol
CAS:1528636-39-6
Ertugliflozin RC 1
EGZ51

(2S,3R,4S,5S,6R)-2-(((2R,3S,4R,5R,6R)-4,5-Dihydroxy-2-(hydroxymethyl)-6-(2-(phthalazin-1-yl)hydrazinyl)tetrahydro-2H-pyran-3-yl)oxy)-6-(hydroxymethyl) tetrahydro-2H-pyran-3,4,5-triol
Hydralazine N-Lactose Impurity
HDL50

(2S,3R,4S,5S,6R)-2-(3-((5-(4-fluorophenyl)thiophen-2-yl)methyl)-4-methylphenyl)-2-(((2R,3S,4R,5R,6S)-6-(3-((5-(4-fluorophenyl)thiophen-2-yl)methyl)-4-methylphenyl)-3,4,5-trihydroxytetrahydro-2H-pyran-2-yl)methoxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,
Canagliflozin Dimer
CNG66

(2S,3R,4S,5S,6R)-2-(4-CHLORO-3-(4-(((S)-TETRAHYDROFURAN-3-YL)OXY)BENZYL)PHENYL)-6-(HYDROXYMETHYL)-2-METHOXYTETRAHYDRO-2H-PYRAN-3,4,5-TRIOL
CAS:1279691-35-8
Empagliflozin 1-Hydroxy Impurity
EGF61

(2S,3R,4S,5S,6S)-2-((4-(2-((2,4-Dimethylphenyl)thio)phenyl)piperazin-1-yl)oxy)-6-(methoxycarbonyl) tetrahydro-2H-pyran-3,4,5-triyl Triacetate
Vortioxetine N-Hydroxy O-�-D-Glucuronide Triacetat
VXT81

(2S,3R,5R)-Benzhydryl 3-(chloromethyl)-3-methyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylate
CAS:85573-73-5
Tazobactam RC 6
TZB66

(2S,3R,5S)-5-[(N-FORMYL-L-LEUCYL)OXY]-2-HEXYL-3-HYDROXYHEXADECANOIC ACID
CAS:130793-28-1
Orlistat Open-Ring (2S,3R,5S)-Isomer
OLS40

(2S,3R,5S,6R)-2-(4-Chloro-3-(4-ethoxybenzyl)phenyl)-6-((((2S,3R,4S,5S,6R)-2-(4-chloro-3-(4-ethoxybenzyl)phenyl)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)methyl)tetrahydro-2H-pyran-2,3,4,5-tetraol
Dapagliflozin RC 25 4-Ethoxybenzyl Dapagliflozin
DPG85

(2S,3R,6R)-6-Ethyl-3-methyl-2-(3-oxobutyl)cyclohexanone
CAS:958447-27-3
Artemisinin RC 6 Dihydroartemisin Impurity H
ATX76

(2S,3R,6RS)-2-(3-OXOBUTYL)-3-METHYL-6-[(R)-2-PROPANAL]CYCLOHEXANONE
CAS:1093625-96-7
Artemether IP Impurity A
AMH61

(2S,3RS,5R)-3-Hydroxy-5-methyl-2-[[(1r,2R,3S,4r,5R,6S)-2,4,6-trihydroxy-3,5-bis(methylamino)cyclohexyl]oxy]tetrahydrofuran-3-carboxylic acid
CAS:3736-78-5
Spectinomycin EP Impurity B Actinospectinoic Acid
SMC02

(2S,3S)-1-(1-(4-(Pyridin-2-yl)benzyl)hydrazinyl)-3-amino-4-phenylbutan-2-ol
CAS:437713-06-9
Atazanavir Impurity 10 (Base)
ATZ70B

(2S,3S)-1-(1-(4-(Pyridin-2-yl)benzyl)hydrazinyl)-3-amino-4-phenylbutan-2-ol trihydrochloride
CAS:198904-87-9
Atazanavir Impurity 10 (3HCl)
ATZ70H

(2S,3S)-2-((1R)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluoro phenyl)morpholine
CAS:170902-80-4
Aprepitant M2 Metabolite (1R, 2S, 3S)-Isomer Apre
APP54B

(2S,3S)-2-((1R)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluoro phenyl)morpholine HCl
CAS:1333998-27-8
Aprepitant M2 Metabolite (1R, 2S, 3S)-Isomer (HCl)
APP54H

(2S,3S)-2-((1S)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluoro phenyl)morpholine
Aprepitant M2 Metabolite (1S, 2S, 3S)-Isomer
APP58B

(2S,3S)-2-(2,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl) butane-2,3-diol
CAS:135270-05-2
Efinaconazole (2S,3S)-Diol Impurity
EFC74

(2S,3S)-2-(2,4-DIFLUOROPHENYL)-3-(5-FLUOROPYRIMIDIN-4-YL)-1-(1H-1,2,4-TRIAZOL-1-YL)BUTAN-2-OL
Voriconazole 2-Epimer (2S,3S)-Voriconazole
VRC52

(2S,3S)-2-(3,4-Difluorophenyl)-3-(3-((1S,2S,3S,4S)-2,3-dihydroxy-4-(2-hydroxyethoxy)cyclopentyl)-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-ylamino)cyclopropanone
Ticagrelor DP6
TCG66

(2S,3S)-2-(3-CHLOROPHENYL)-3,5,5-TRIMETHYL-2-MORPHOLINOL HYDROCHLORIDE
CAS:106083-71-0
Bupropion Morpholinol (2S,3S)-Isomer (HCl) (2S,3S
BPP16H

(2S,3S)-2-(3-CHLOROPHENYL)-3,5,5-TRIMETHYL-2-MORPHOLINOL HYDROCHLORIDE
CAS:192374-14-4
Bupropion Morpholinol (2S,3S)-Isomer (2S,3S)-Hydr
BPP16B

(2S,3S)-2-(4-METHOXYPHENYL)-4-OXO-2,3,4,5-TETRAHYDRO-1,5-BENZOTHIAZEPIN-3-YL ACETATE
CAS:87447-47-0
Diltiazem EP Impurity B Diltiazem USP RC B
DTZ02

(2S,3S)-2-(4-Methoxyphenyl)-5-(2-(N-methylacetamido)ethyl)-4-oxo-2,3,4,5-tetrahydrobenzo[b] [1,4]thiazepin-3-yl acetate
Diltiazem N-Acetyl Analog Diltiazem N-Desmethyl N
DTZ52B

(2S,3S)-2-{(Z)-2-[2-Aminothiazol-4-yl]-2-[2-carboxypropan-2-yloxyimino] acetamido}-3-(sulfoamino)butanoic acid
CAS:87500-74-1
Aztreonam Open-Ring Impurity Aztreonam USP Impuri
AZT44

(2S,3S)-2-AMINO-3-METHYL-3-SULFINO-4-(1H-1,2,3-TRIAZOL-1-YL)BUTYRIC ACID
CAS:120701-87-3
Tazobactam USP RC A
TZB21A

(2S,3S)-3-HYDROXY-2-(4-METHOXYPHENYL)-2,3-DIHYDRO-1,5-BENZOTHIAZEPIN-4(5H)-ONE
CAS:42399-49-5
Diltiazem EP Impurity E Diltiazem USP RC E Des[3
DTZ05

(2S,3S)-4-(2-((6-(Bis(2-Hydroxyethyl)amino)-4,8-di(piperidin-1-yl) pyrimido[5,4-d]pyrimidin-2-yl)(2-hydroxyethyl)amino)ethoxy)-2,3-dihydroxy-4-oxobutanoic acid
CAS:1246816-97-6
Dipyridamole Tartaric Acid Ester
DPR51A

(2S,3S)-5-[2-(Amino)ethyl]-2-(4-hydroxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-ol
CAS:115992-91-1
Diltiazem EP Impurity H Diltiazem USP RC H N,N,O
DTZ08

(2S,3S)-5-[2-(Dimethylamino)ethyl]-2,3-dihydro-3-hydroxy-2-(4-hydroxyphenyl)-1,5-benzothiazepin-4(5H)-one
CAS:84903-82-2
Diltiazem O-Desacetyl-O-Desmethyl (Base)
DTZ36B

(2S,3S)-5-[2-(Dimethylamino)ethyl]-2,3-dihydro-3-hydroxy-2-(4-hydroxyphenyl)-1,5-benzothiazepin-4(5H)-one hydrobromide
CAS:142926-10-1
Diltiazem O-Desacetyl-O-Desmethyl HBr
DTZ36X

(2S,3S)-5-[2-(DIMETHYLAMINO)ETHYL]-2,3-DIHYDRO-3-HYDROXY-2-(4-HYDROXYPHENYL)-1,5-BENZOTHIAZEPIN-4(5H)-ONE HYDROCHLORIDE
CAS:96252-32-3
Diltiazem O-Desacetyl-O-Desmethyl HCl
DTZ36H

(2S,3S)-5-[2-(Dimethylamino)ethyl]-2-(4-hydroxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate
CAS:84903-78-6
Diltiazem EP Impurity C (Base) Diltiazem USP RC C
DTZ03B

(2S,3S)-5-[2-(DIMETHYLAMINO)ETHYL]-2-(4-HYDROXYPHENYL)-4-OXO-2,3,4,5-TETRAHYDRO-1,5-BENZOTHIAZEPIN-3-YL ACETATE HCL
CAS:142926-07-6
Diltiazem EP Impurity C (HCl) Diltiazem USP RC C
DTZ03H

(2S,3S)-5-[2-(Dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,1-dioxido-1,5-benzothiazepin-3-yl acetate
Diltiazem Sulfone
DTZ39

(2S,3S)-5-[2-(Dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,1-dioxido-1,5-benzothiazepin-3-yl acetate N-Oxide
Diltiazem Sulfone N-Oxide
DTZ50

(2S,3S)-5-[2-(Dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-ol
CAS:42399-40-6
Diltiazem EP Impurity F Diltiazem USP RC F O-Des
DTZ06B

(2S,3S)-5-[2-(Dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-ol HCl
CAS:23515-45-9
Diltiazem EP Impurity F (HCl) Diltiazem USP RC F
DTZ06H

(2S,3S)-5-[2-(Dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-ol N-Oxide
CAS:122619-90-3
Diltiazem N-Oxide O-Desacetyl Impurity
DTZ47

(2S,3S)-5-[2-(DIMETHYLAMINO)ETHYL]-2-(4-METHOXYPHENYL)-4-OXO-2,3,4,5-TETRAHYDRO-1,5-BENZOTHIAZEPIN-3-YL ACETATE HYDROCHLORIDE
CAS:33286-22-5
Diltiazem hydrochloride
DTZ00H

(2S,3S)-5-[2-(Dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate N-Oxide
CAS:142843-04-7
Diltiazem N-oxide
DTZ37

(2S,3S)-5-[2-(Dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1-oxido-1,5-benzothiazepin-3-yl acetate
CAS:370094-12-5
Diltiazem Sulfoxide (Base)
DTZ38B

(2S,3S)-5-[2-(Dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1-oxido-1,5-benzothiazepin-3-yl acetate formate salt
Diltiazem Sulfoxide (Formate Salt)
DTZ38F

(2S,3S)-5-[2-(Dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1-oxido-1,5-benzothiazepin-3-yl acetate N-Oxide formate
Diltiazem Sulfoxide N-Oxide (Formate)
DTZ40F

(2S,3S)-5-[2-(Methyl-N-nitrosoamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate
Diltiazem N-Nitroso N-Desmethyl Impurity N-Desmet
DTZ49B

(2S,3S)-5-[2-(Methylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-ol
CAS:81353-09-5
Diltiazem EP Impurity G (Base) Diltiazem USP RC G
DTZ07B

(2S,3S)-5-[2-(Methylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-ol HCl
Diltiazem EP Impurity G (HCl) Diltiazem USP RC G
DTZ07H

(2S,3S)-5-[2-(METHYLAMINO)ETHYL]-2-(4-METHOXYPHENYL)-4-OXO-2,3,4,5-TETRAHYDRO-1,5-BENZOTHIAZEPIN-3-YL ACETATE HCL
CAS:130606-60-9
Diltiazem EP Impurity D (HCl) Diltiazem USP RC D
DTZ04H

(2S,3S)-5-[2-AMINOETHYL]-2-(4-METHOXYPHENYL)-4-OXO-2,3,4,5-TETRAHYDRO-1,5-BENZOTHIAZEPIN-3-YL ACETATE HCL
CAS:115973-28-9
Diltiazem N,N-DiDesmethyl (Base) N,N-DiDesmethyl
DTZ34B

(2S,3S)-5-[2-AMINOETHYL]-2-(4-METHOXYPHENYL)-4-OXO-2,3,4,5-TETRAHYDRO-1,5-BENZOTHIAZEPIN-3-YL ACETATE HCL
CAS:116050-35-2
Diltiazem N,N-DiDesmethyl (HCl) N,N-DiDesmethyl D
DTZ34H

(2S,3S)-ETHYL 3-((1H-1,2,3-TRIAZOL-1-YL)METHYL)-3-METHYL-7-OXO-4-THIA-1-AZABICYCLO[3.2.0]HEPTANE-2-CARBOXYLATE 4,4-DIOXIDE
Tazobactam Acid Impurity T-7
TZB57

(2S,3S)-N-((2S,4S,5S)-5-(2-(2,6-Dimethylphenoxy)acetamido)-4-hydroxy-1,6-diphenylhexan-2-yl)-3-methyl-2-(2-oxotetrahydropyrimidin-1(2H)-yl)pentanamide
CAS:1132765-59-3
Lopinavir IP Impurity F Lopinavir Pentanamide Ana
LPN56

(2S,3S)-N-(5-tert-Butyl-2-methoxybenzyl)-2-benzhydrylquinuclidin-3-amine
CAS:147116-67-4
Maropitant
MPN00B

(2S,3S)-N-(5-tert-Butyl-2-methoxybenzyl)-2-benzhydrylquinuclidin-3-amine citrate salt
CAS:862543-54-2
Maropitant Citrate
MPN00C

(2S,3S,4R)-Methyl 3,4-diacetoxy-3,4-dihydro-2H-pyran-2-carboxylate
CAS:57690-62-7
Mirtazapine Impurity 4
MTZ64

(2S,3S,4R,5R)-2-((2R,3S,4S,5S)-2-((3S,5R,8R,9R,10R,12R,13R,14R,17S)-3,12-Dihydroxy-17-((S)-2-hydroxy-6-methylhept-5-en-2-yl)-4,4,8,10,14-pentamethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-6-yloxy)-4,5-dihydroxy-6-(hydroxymethyl)-tetrahydro-2H-pyran-3-y
CAS:52286-74-5
Ginsenoside Rg2
GSN59

(2S,3S,4R,5R)-2-((2R,3S,4S,5S)-2-((3S,5R,8R,9R,10R,12R,13R,14R,17S)-3,12-Dihydroxy-4,4,8,10,14-pentamethyl-17-(6-methylhepta-1,5-dien-2-yl)-hexadecahydro-1H-cyclopenta[a]phenanthren-6-yloxy)-4,5-dihydroxy-6-(hydroxymethyl)-tetrahydro-2H-pyran-3-yloxy)-6-m
CAS:147419-93-0
Ginsenoside Rg6
GSN62

(2S,3S,4R,5R,6R)-2-(3-(4-ACETOXYBENZYL)-4-CHLOROPHENYL)-6-(ACETOXYMETHYL)TETRAHYDRO-2H-PYRAN-3,4,5-TRIYL TRIACETATE
CAS:912917-85-2
Dapagliflozin RC 35 O-Pentaacetyl O-Desethyl Dapa
DPG95

(2S,3S,4R,5R,6R)-2-(4-Chloro-3-(4-ethoxybenzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate
CAS:1443341-94-3
Dapagliflozin Triacetate
DPG43

(2S,3S,4R,5S)-2-(4-((S)-3-((S)-Tetrahydrofuran-3-yloxy)benzyl)phenyl)-6-(hydroxymethyl)-tetrahydro-2H-pyran-3,4,5-triol
CAS:2444702-80-9
Empagliflozin RC 2 Deschloro Empagliflozin
EGF72

(2S,3S,4R,5S)-2-(4-Chloro-3-(hydroxy(4-((S)-tetrahydrofuran-3-yloxy)phenyl)methyl)phenyl)-6-(hydroxymethyl)-tetrahydro-2H-pyran-3,4,5-triol
CAS:2137418-13-2
Empagliflozin Hydroxymethylphenyl
EGF55

(2S,3S,4R,5S)-3,4-Dihydroxy-6-(hydroxymethyl)-5-((2S,3S,4S,5R)-3,4,5-trihydroxy-6-(hydroxymethyl)-tetrahydro-2H-pyran-2-yloxy)-tetrahydro-2H-pyran-2-yl 2-(2-(4-((R)-(4-chlorophenyl)(phenyl) methyl)piperazin-1-yl)ethoxy)acetate hydrochloride
Levocetirizine Lactose Ester (HCl)
LCZ60H

(2S,3S,4R,5S,6R)-2-(4-Chloro-3-(4-ethoxybenzyl)phenyl)-6- (hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol
CAS:2133407-75-5
Dapagliflozin (C3)-Epimer
DPG59

(2S,3S,4S,5R)-2-(3-((R)-4-((R)-Tetrahydrofuran-3-yloxy)benzyl)-4-chlorophenyl)-5-((R)-1,2-dihydroxyethyl)-tetrahydrofuran-3,4-diol
Empagliflozin 1,4-Anhydro-1,5-Dihydroxy 3-Epimer
EGF50

(2S,3S,4S,5R,6R)-6-(((1S,2S,3S,4R,5S)-5-(4-Chloro-3-(4-ethoxybenzyl)phenyl)-2,3-dihydroxy-1-(hydroxymethyl)-6,8-dioxabicyclo[3.2.1]octan-4-yl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid
CAS:1500090-84-5
Ertugliflozin RC 2
EGZ52

(2S,3S,4S,5R,6R)-6-((5-Chloro-3-(4-(methylsulfonyl)phenyl)-[2,3'-bipyridin]-6'-yl)methoxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid
CAS:349536-40-9
Etoricoxib 6-Hydroxymethyl �-Glucuronide
ECX53

(2S,3S,4S,5R,6R)-6-(1-(4-Chloro-3-(trifluoromethyl)phenyl)-3-(2-fluoro-4-((2-(methylcarbamoyl)pyridin-4-yl)oxy)phenyl)ureido)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic Acid
Regorafenib N-�-D-Glucuronide
RGR54

(2S,3S,4S,5R,6R)-6-(1-(4-Chloro-3-(trifluoromethyl)phenyl)-3-(4-(2-(methylcarbamoyl)pyridin-4-yloxy)phenyl)ureido)-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-carboxylic acid
CAS:1130164-93-0
Sorafenib-�-D-Glucuronide
SRF60

(2S,3S,4S,5R,6S)-6-((((R)-2,3-Dihydro-1H-inden-1-yl)(prop-2-yn-1-yl)carbamoyl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid
Rasagiline N-Carbamoyl �-D-Glucuronide
RSG54

(2S,3S,4S,5R,6S)-6-((2-Chloro-11-(4-methylpiperazin-1-yl)dibenzo[b,f][1,4]oxazepin-7-yl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid
Loxapine 7-Hydroxy Glucuronide
LXN52

(2S,3S,4S,5R,6S)-6-((2-Chloro-11-(4-methylpiperazin-1-yl)dibenzo[b,f][1,4]oxazepin-8-yl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid
Loxapine 8-Hydroxy Glucuronide
LXN55

(2S,3S,4S,5R,6S)-Methyl 3,4,5-trihydroxy-6-((5-hydroxy-2-(4-hydroxyphenyl)-4-oxochroman-7-yl)oxy)tetrahydro-2H-pyran-2-carboxylate
Naringenin 7-O-�-D-Glucuronide Methyl Ester
NGX55

(2S,3S,4S,5R,Z)-6-(3-((4-((2-(Diethylamino)ethyl)carbamoyl)-3,5-dimethyl-1H-pyrrol-2-yl)methylene)-5-fluoro-2-oxoindolin-1-yl)-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-carboxylic acid
Sunitnib N-Glucuronide
SNT50

(2S,3S,4S,5S)-2-((2R,3S,4S,5S)-2-((3S,5R,6S,8R,9R,10R,12R,13R,14R,17S)-3,12-Dihydroxy-17-((S)-2-hydroxy-6-methylhept-5-en-2-yl)-4,4,8,10,14-pentamethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-6-yloxy)-4,5-dihydroxy-6-(hydroxymethyl)-tetrahydro-2H-pyran-
CAS:52286-58-5
Ginsenoside Rf
GSN57

(2S,3S,4S,5S)-2-((2R,3S,4S,5S)-4,5-Dihydroxy-2-((3S,5R,8R,9R,10R,12R,13R,14R,17S)-12-hydroxy-17-((R)-2-hydroxy-6-methylhept-5-en-2-yl)-4,4,8,10,14-pentamethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-3-yloxy)-6-(hydroxymethyl)-tetrahydro-2H-pyran-3-yloxy
CAS:38243-03-7
Ginsenoside Rg3 R-Isomer 20(R)-Ginsenoside Rg3
GSN70

(2S,3S,4S,5S)-2-((2R,3S,4S,5S)-4,5-Dihydroxy-2-((3S,5R,8R,9R,10R,12R,13R,14R,17S)-12-hydroxy-17-((S)-2-hydroxy-6-methylhept-5-en-2-yl)-4,4,8,10,14-pentamethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-3-yloxy)-6-(hydroxymethyl)-tetrahydro-2H-pyran-3-yloxy
CAS:14197-60-5
Ginsenoside Rg3 20(S)-Ginsenoside Rg3
GSN60

(2S,3S,4S,5S)-2-((2R,3S,4S,5S)-4,5-Dihydroxy-2-((3S,5R,8R,9R,10R,12R,13R,14R,17S)-12-hydroxy-4,4,8,10,14-pentamethyl-17-((E)-6-methylhepta-2,5-dien-2-yl)-hexadecahydro-1H-cyclopenta[a]phenanthren-3-yloxy)-6-(hydroxymethyl)-tetrahydro-2H-pyran-3-yloxy)-6-(
CAS:186763-78-0
Ginsenoside Rg5
GSN61

(2S,3S,4S,5S)-2-((2R,3S,4S,5S)-4,5-Dihydroxy-2-((3S,5R,8R,9R,10R,12R,13R,14R,17S)-12-hydroxy-4,4,8,10,14-pentamethyl-17-(6-methylhepta-1,5-dien-2-yl)-hexadecahydro-1H-cyclopenta[a]phenanthren-3-yloxy)-6-(hydroxymethyl)-tetrahydro-2H-pyran-3-yloxy)-6-(hydr
CAS:494753-69-4
Ginsenoside Rk1
GSN67

(2S,3S,4S,5S)-2-((S)-2-((3S,5R,8R,9R,10R,12R,13R,14R,17S)-3,12-Dihydroxy-4,4,8,10,14-pentamethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)-6-methylhept-5-en-2-yloxy)-6-(hydroxymethyl)-tetrahydro-2H-pyran-3,4,5-triol
CAS:39262-14-1
Ginsenoside CK
GSN81

(2S,3S,4S,5S)-2-(3-((S)-4-((S)-Tetrahydrofuran-3-yloxy)benzyl)-4-chlorophenyl)-6-(hydroxymethyl)-2-methoxy-tetrahydro-2H-pyran-3,4,5-triol
CAS:1279691-36-9
Empagliflozin RC 5 1-Methoxy Empagliflozin
EGF75

(2S,3S,5R)-ETHYL 3-((1H-1,2,3-TRIAZOL-1-YL)METHYL)-3-METHYL-7-OXO-4-THIA-1-AZABICYCLO[3.2.0]HEPTANE-2-CARBOXYLATE 4,4-DIOXIDE
Tazobactam Ethyl Ester
TZB42

(2S,3S,5S)-2-(2,6-DIMETHYLPHENOXYACETYL)AMINO-3-HYDROXY-5-TRIFLUROMETHYLCARBONYLAMINO-1,6-DIPHENYLHEXANE
Lopinavir TFA Impurity
LPN83

(2S,3S,5S)-2-[2-(2,6-Dimethylphenoxy)acetamido]-5-{(S)-3-methyl-2-[2-oxotetrahydropyrimidin-1(2H)-yl]butanamido}-1,6-diphenylhexan-3-yl hydrogen sulfate
Lopinavir Sulfo Impurity Sulfolopinavir (USP)
LPN34

(2S,3S,5S)-5-[(N-FORMYL-L-LEUCYL)OXY]-2-HEXYL-3-HYDROXYHEXADECANOIC ACID
CAS:130676-66-3
Orlistat Open-Ring (2S,3S,5S)-Isomer Orlistat Imp
OLS41

(2S,3S,6R)-3,4,5-Trihydroxy-6-(1-(4-hydroxy-2-(3-phenylpropanoyl)phenoxy)-3-(propylamino)propan-2-yloxy)-tetrahydro-2H-pyran-2-carboxylic acid
Propafenone 5-Hydroxy �-D-Glucuronide
PRP60

(2S,3S,6R)-6-(3-Carboxy-4-hydroxyphenylamino)-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-carboxylic acid
Mesalazine N-�-D-Glucuronide
MSL50

(2S,3S,6R,Z)-6-(2-(4-(4-Chloro-1,2-diphenylbut-1-enyl)phenoxy)ethoxy)-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-carboxylic acid
Ospemifene O-�-D-Glucuronide
OPF57

(2S,3S,6S)-3,4,5-Trihydroxy-6-((R)-4-((3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-3,7,12-trihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoyloxy)-tetrahydro-2H-pyran-2-carboxylic acid
CAS:208038-30-6
Cholic Acid Acyl Glucuronide
CAX53

(2S,3S,6S)-3,4,5-Trihydroxy-6-(2-(3-(hydroxy(phenyl)methyl)phenyl)propanoyloxy)-tetrahydro-2H-pyran-2-carboxylic acid
CAS:849104-47-8
Ketoprofen Dihydro �-D-Glucuronide
KTP55

(2S,3S,6S)-3,4,5-Trihydroxy-6-(6-oxo-6H-benzo[c]chromen-3-yloxy)-tetrahydro-2H-pyran-2-carboxylic acid
CAS:823806-74-2
Urolithin B Glucuronide
ULT53

(2S,3S,6S)-6-((3S,5S)-1-(2-((S)-((S)-2-Methyl-1-(propionyloxy)propoxy)(4-phenylbutyl) phosphoryl)acetyl)-3-cyclohexylpyrrolidine-5-carbonyloxy)-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-carboxylic acid
Fosinopril Acyl-�-D-Glucuronide
FSN50

(2S,3S,6S)-6-((R)-4-((3R,7S,8R,9S,10S,13R,14S,17R)-3,7-Dihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoyloxy)-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-carboxylic acid
CAS:208038-28-2
Ursodeoxycholic acid acyl-b-D-glucuronide
UDC44

(2S,3S,6S)-6-(2,4-Di-tert-butyl-5-(4-oxo-1,4-dihydroquinoline-3-carboxamido)phenoxy)-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-carboxylic acid
Ivacaftor Carboxylic Acid O-Glucuronide
IVC57

(2S,3S,6S)-6-(2-(3-tert-Butyl-4-(4-oxo-1,4-dihydroquinoline-3-carboxamido)phenyl)-2-methylpropanoyloxy)-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-carboxylic acid
Ivacaftor Acyl-Glucuronide
IVC54

(2S,3S,6S)-6-(2-Amino-6-imino-4-(piperidin-1-yl)pyrimidin-1(6H)-yloxy)-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-carboxylic acid
CAS:56828-40-1
Minoxidil �-D-Glucuronide
MNX50

(2S,3S,6S)-6-(4-(5,7-Dihydroxy-4-oxo-4H-chromen-2-yl)phenoxy)-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-carboxylic acid
CAS:51771-57-4
Apigenin 4-O-�-D-Glucuronide
APG51

(2S,3S,6S)-Allyl 6-(5-(2,5-dimethylphenoxy)-2,2-dimethylpentanoyloxy)-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-carboxylate
Gemfibrozil 1-O-�-D-Glucuronide Allyl Ester
GFZ54

(2S,3S,6S)-Benzyl 6-(5-(2,5-dimethylphenoxy)-2,2-dimethylpentanoyloxy)-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-carboxylate
Gemfibrozil 1-O-�-D-Glucuronide Benzyl Ester
GFZ55

(2S,3S,6S)-Methyl 6-(2-amino-6-imino-4-(piperidin-1-yl)pyrimidin-1(6H)-yloxy)-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-carboxylate
Minoxidil �-D-Glucuronide Methyl Ester
MNX51

(2S,3S,6S,Z)-6-(2-(3-(4-(Methylsulfinyl)benzylidene)-6-fluoro-2-methyl-3H-inden-1-yl)acetoxy)-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-carboxylic acid
CAS:60018-36-2
Sulindac Acyl-�-D-Glucuronide
SDC50

(2S,3S,6S,Z)-6-(2-(3-(4-(Methylthio)benzylidene)-6-fluoro-2-methyl-3H-inden-1-yl)acetoxy)-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-carboxylic acid
CAS:59973-78-3
Sulindac Sulfide Acyl-�-D-Glucuronide
SDC53

(2S,3S,E)-1-(1-(4-(Pyridin-2-yl)benzyl)-2-(4-(pyridin-2-yl)benzylidene)hydrazinyl)-3-amino-4-phenylbutan-2-ol
Atazanavir EP Impurity D
ATZ04

(2S,4aR,4'R,5'S,6'S,7R,8S,9R,10R,12R,14R,15R,16S)7-Ethyl-5',8,9,14-tetrahydroxy-4'-methoxy-4',6',8,10,12,14,16-heptamethyl-15-[[3,4,6-trideoxy-3-(dimethylamino)-�-D-xylo-hexopyranosyl]oxy]hexadecahydrospiro[5H,11H-1,3-dioxino[5,4c]oxacyclotetradecin-2,2'-
CAS:41451-91-6
Erythromycin EP Impurity C Erythromycin E
ETM03

(2S,4R)-1-((S)-5-Guanidino-2-(3-methyl-1,2,3,4-tetrahydroquinoline-8-sulfonamido)pentanoyl)-4-methylpiperidine-2-carboxylic acid
CAS:189264-02-6
Argatroban (2S,4R)-Isomer
ATB53

(2S,4R)-1-Methyl-4-propylpyrrolidine-2-carboxylic acid
CAS:13380-36-4
Lincomycin EP Impurity E (Base) Lincomycin BP Imp
LCM05B

(2S,4R)-1-Methyl-4-propylpyrrolidine-2-carboxylic acid HCl
CAS:6734-79-8
Lincomycin EP Impurity E (HCl) Lincomycin BP Impu
LCM05H

(2S,4R)-1-Methyl-4-propylpyrrolidine-2-carboxylic acid sodium salt
Lincomycin EP Impurity E (Sodium) Lincomycin BP I
LCM05N

(2S,4R)-2-Hydroxy-2,6-dimethyl-4-((S)-2-((S)-4-methyl-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamido)-3-phenylpropanamido)-3-oxoheptyl acetate
Carfilzomib (2S,4R)-2-Hydroxy O-Acetyl Impurity
CZM63

(2S,4R)-5-([1,1'-BIPHENYL]-4-YL)-4-((TERT-BUTOXYCARBONYL)AMINO)-2-METHYLPENTANOIC ACID
CAS:1012341-54-6
Sacubitril RC 16
SCT86

(2S,4R)-5-(BIPHENYL-4-YL)-4-[(3-CARBOXYPROPIONYL)AMINO]-2-METHYLPENTANOIC ACID ETHYL ESTER
CAS:761373-05-1
Sacubitril (2S,4R)-Isomer (Acid) Sacubitril Enant
SCT52A

(2S,4R)-5-(Biphenyl-4-yl)-4-[(3-carboxypropionyl)amino]-2-methylpentanoic acid ethyl ester calcium salt
Sacubitril (2S,4R)-Isomer (Calcium) Sacubitril Ca
SCT52C

(2S,4R)-Ethyl 4-methylpiperidine-2-carboxylate
CAS:79199-62-5
Argatroban RC 19
ATB79

(2S,4R)-N-((1R,2R)-2-Hydroxy-1-((3R,4R,5S,6R)-3,4,5-trihydroxy-6-(methylsulfinyl)-tetrahydro-2H-pyran-2-yl)propyl)-1-methyl-4-propylpyrrolidine-2-carboxamide
CAS:22083-92-7
Lincomycin Sulfoxide
LCM55

(2S,4R)-N-((1R,2R)-2-Hydroxy-1-((3R,4R,5S,6R)-3,4,5-trihydroxy-6-(methylsulfonyl)-tetrahydro-2H-pyran-2-yl)propyl)-1-methyl-4-propylpyrrolidine-2-carboxamide
CAS:198080-68-1
Lincomycin Sulfone
LCM54

(2S,4S)-1-((S)-5-guanidino-2-(3-methyl-1,2,3,4-tetrahydroquinoline-8-sulfonamido)pentanoyl)-4-methylpiperidine-2-carboxylic acid
CAS:189264-03-7
Argatroban (2S,4S)-Isomer
ATB54

(2S,4S)-1-[(2S)-3-Benzoylsulfanyl-2-methylpropanoyl]-4-phenylsulfanyl pyrrolidine-2-carboxylic acid calcium salt
CAS:81938-43-4
Zofenopril Calcium
ZFP00C

(2S,4S)-2-((R)-1-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-(((R)-2-((((2S,4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)methyl)amino)-1-(4-hydroxyphenyl)-2-oxoethyl)amino)-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic acid
CAS:297175-66-7
Amoxicillin RC 3 Amoxicilloic Acid Dimer
AMX63

(2S,4S)-2-Hydroxy-2,6-dimethyl-4-((S)-2-((S)-4-methyl-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamido)-3-phenylpropanamido)-3-oxoheptyl acetate
Carfilzomib (2S,4S)-2-Hydroxy O-Acetyl Impurity
CZM64

(2S,4S)-4-(4-(3-Methyl-1-phenyl-1H-pyrazol-5-yl)piperazin-1-yl)pyrrolidine-2-carboxylic acid
Teneligliptin Carboxylic Acid Impurity
TGT54

(2S,4S)-4-CYCLOHEXYL-1-(3-OXOPENTANOYL)PYRROLIDINE-2-CARBOXYLIC ACID
CAS:149760-14-5
Fosinopril Impurity 3 (USP)
FSN63A

(2S,4S)-4-cyclohexyl-1-[[(2S,4S)-4-cyclohexyl-1[[(R)-[(1S)-2-methyl-1-(1-oxopropoxy)propoxy](4-phenylbutyl)phosphoryl]acetyl]pyrrolidin-2-yl]carbonyl]pyrrolidine-2-carboxylic acid
Fosinopril EP Impuirty N
FSN14A

(2S,4S)-4-Cyclohexyl-1-pivaloylpyrrolidine-2-carboxylic acid
Fosinopril EP Impurity K
FSN11A

(2S,4S)-4-Cyclohexyl-1-pivaloylpyrrolidine-2-carboxylic acid
Fosinopril Impurity 1 (USP)
FSN61A

(2S,4S)-4Mmethyl-1-((S)-2-(3-methylquinoline-8-sulfonamido)-5-(3-nitroguanidino)pentanoyl)piperidine-2-carboxylic acid
Argatroban RC 11 (2S)-N-Nitro Argatroban
ATB71

(2S,4S)-5-([1,1'-BIPHENYL]-4-YL)-4-((TERT-BUTOXYCARBONYL)AMINO)-2-METHYLPENTANOIC ACID
CAS:1012341-52-4
Sacubitril RC 7
SCT77

(2S,4S)-5-(Biphenyl-4-yl)-4-[(3-carboxypropionyl)amino]-2-methylpentanoic acid ethyl ester
CAS:149709-63-7
Sacubitril (2S,4S)-Isomer (Acid) Sacubitril 2-Epi
SCT53A

(2S,4S)-5-(Biphenyl-4-yl)-4-[(3-carboxypropionyl)amino]-2-methylpentanoic acid ethyl ester calcium salt
Sacubitril (2S,4S)-Isomer (Calcium) Sacubitril Ca
SCT53C

(2S,4S)-Benzyl 4-cyclohexylpyrrolidine-2-carboxylate
CAS:126110-99-4
Fosinopril Impurity 4
FSN64

(2S,4S)-Benzyl 4-methyl-1-((S)-2-(3-methylquinoline-8-sulfonamido)-5-(3-nitroguanidino)pentanoyl)piperidine-2-carboxylate
Argatroban RC 24
ATB84

(2S,4S)-ETHYL 4-METHYLPIPERIDINE-2-CARBOXYLATE
CAS:78306-52-2
Argatroban RC 20
ATB80

(2S,4S)-N-(2-Mercaptoethyl)-4-(4-(3-methyl-1-phenyl-1H-pyrazol-5-yl)piperazin-1-yl)pyrrolidine-2-carboxamide
Teneligliptin Impurity C
TGT63

(2S,4S)-TERT-BUTYL 4-(4-(3-METHYL-1-PHENYL-1H-PYRAZOL-5-YL)PIPERAZIN-1-YL)-2-(THIAZOLIDINE-3-CARBONYL)PYRROLIDINE-1-CARBOXYLATE
CAS:401566-80-1
Teneligliptin Impurity B
TGT62

(2S,4S,5R,6R)-6-(2-((8S,9R,10S,11S,13S,14S,16R,17S)-9-Fluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethoxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid
Desoximetasone 21-Glucuronide Impurity
DMT51

(2S,4S,6R)-4-Hydroxy-6-methyl-2-[[(1r,2R,3S,4r,5R,6S)-2,4,6-trihydroxy-3,5-bis(methylamino)cyclohexyl]oxy]dihydro-2H-pyran-3(4H)-one
CAS:1323437-06-4
Spectinomycin EP Impurity F Triol Spectinomycin
SMC06

(2S,5R)-((1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl) 5-hydroxy-1,3-oxathiolane-2-carboxylate
CAS:147126-64-5
Lamivudine Impurity 2
LMV62

(2S,5R)-2,5-Dimethyl-1-propyl-3-o-tolylimidazolidin-4-one
CAS:780037-66-3
Prilocaine RC 1 (Base)
PCL61B

(2S,5R)-2,5-Dimethyl-1-propyl-3-o-tolylimidazolidin-4-one hydrochloride
CAS:677029-53-7
Prilocaine RC 1 (HCl)
PCL61H

(2S,5R)-3,3-DIMETHYL-7-OXO-4-OXIDE-4-THIA-1-AZABICYCLO[3.2.0]HEPTANE-2-CARBOXYLIC ACID DIPHENYLMETHYL ESTER
CAS:87579-78-0
Tazobactam RC 8
TZB68

(2S,5R)-3,3-Dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid (2,2-dimethyl-1-oxopropoxy)methyl ester 4,4-dioxide
CAS:69388-79-0
Sulbactam Pivoxil
SBT50

(2S,5R)-5-(4-AMINO-2-OXOPYRIMIDIN-1(2H)-YL)-1,3-OXATHIOLANE-2-CARBOXYLIC ACID
CAS:2165593-53-1
Lamivudine Acid (2S,5R)-Isomer (2S,5R)-Lamivudine
LMV73

(2S,5R)-6,6-DIBROMO-3,3-DIMETHYL-7-OXO-4-THIA-1-AZABICYCLO[3.2.0]HEPTANE-2-CARBOXYLIC ACID
CAS:24158-88-1
Sulbactam EP Impurity F Sulbactam USP RC F 6,6-D
SBT06

(2S,5R)-6,6-Dibromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 4,4-dioxide
CAS:76646-91-8
Sulbactam EP Impurity E Sulbactam USP RC E 6,6-D
SBT05

(2S,5R)-6,6-DIBROMO-3,3-DIMETHYL-7-OXO-4-THIA-1-AZABICYCLO[3.2.0]HEPTANE-2-CARBOXYLIC ACID 4-OXIDE PHENYLMETHYL ESTER
CAS:153833-41-1
Tazobactam RC 7
TZB67

(2S,5R)-6-((R)-2-((R)-2-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-((2S,4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)acetamido)-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid
CAS:2088960-43-2
Amoxicillin RC 4
AMX64

(2S,5R,6R)-3,3-dimethyl-6-[[(5-methyl-3-phenylisoxazol-4-yl)carbonyl]amino]-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
CAS:66-79-5
Oxacillin (Acid)
OXL00A

(2S,5R,6R)-3,3-DIMETHYL-7-OXO-6-[(2-PHENOXYACETYL)AMINO]-4-THIA-1-AZABICYCLO[3.2.0]HEPTANE-2-CARBOXYLIC ACID
CAS:87-08-1
Penicillin V (Acid) Phenoxymethylpenicillin (Acid
PNV00A

(2S,5R,6R)-3,3-Dimethyl-7-oxo-6-[(2-phenoxyacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid potassium salt
CAS:132-98-9
Penicillin V (Potassium) Phenoxymethylpenicillin
PNV00K

(2S,5R,6R)-3,3-Dimethyl-7-oxo-6-[(phenylacetyl)-amino]-4-thia- 1-azabicyclo[3.2.0]heptane-2-carboxylic acid
CAS:61-33-6
Penicillin G (Acid) Benzylpenicillin (Acid)
PNC00A

(2S,5R,6R)-3,3-Dimethyl-7-oxo-6-[(phenylacetyl)-amino]-4-thia- 1-azabicyclo[3.2.0]heptane-2-carboxylic acid
CAS:61-33-6
Benzylpenicillin (Acid) Penicillin G (Acid)
BZP00A

(2S,5R,6R)-3,3-Dimethyl-7-oxo-6-[[(thiophen-3-yl)acetyl]amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid sodium salt
Ticarcillin EP Impurity A (Sodium) Decarboxy Tica
TCC01N

(2S,5R,6R)-6-((2R)-2-(2-Amino-2-(4-hydroxyphenyl)acetamido)-2-((2R,4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid disodium salt
Amoxicillin USP RC M N-(Penicillan-6-yl) Open Rin
AMX33N

(2S,5R,6R)-6-((2S,5R,6R)-3,3-Dimethyl-6-(5-methyl-3-phenylisoxazole-4-carboxamido)-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxamido)-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid
Oxacillin EP Impurity I 6-APA Oxacillin Amide
OXL09A

(2S,5R,6R)-6-((R)-2-((2R,4S)-4-Carboxy-5,5-dimethylthiazolidin-2-yl)-2-(5-methyl-3-phenylisoxazole-4-carboxamido)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid disodium salt
Oxacillin EP Impurity J Ozolamide of 6-APA Dimer
OXL10N

(2S,5R,6R)-6-((R)-2-(2-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-((4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)acetamido)-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid
CAS:73590-06-4
Amoxicillin EP Impurity J (Acid) Amoxicillin USP
AMX10A

(2S,5R,6R)-6-((R)-2-(2-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-((4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)acetamido)-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid sodium salt
CAS:94730-53-7 (2Na)
Amoxicillin EP Impurity J (Sodium) Amoxicillin US
AMX10N

(2S,5R,6R)-6-((R)-2-(3-(2-(Carboxy-N-ethylformamido)ethyl)ureido)-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid
CAS:64844-70-8
Piperacillin Impurity 1 Piperacillin Oxalylamide
PPR51

(2S,5R,6R)-6-(1-Ethoxy-1-naphthamido)-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid
Nafcillin 4-Ethoxy Analog
NFC54

(2S,5R,6R)-6-(2-(4-Hydroxyphenoxy)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid
CAS:20880-67-5
Penicillin V p-Hydroxy Impurity Phenoxymethylpeni
PNV50A

(2S,5R,6R)-6-(2-(4-Hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid
CAS:525-91-7
Benzylpenicillin EP Impurity C Penicillin X
BZP03

(2S,5R,6R)-6-(2-Methoxy-1-naphthamido)-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid
CAS:983-86-8
Nafcillin Desmethyl Impurity (Acid) Nafcillin 2-M
NFC62A

(2S,5R,6R)-6-[(2,2-Dimethylpropanoyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
CAS:6489-58-3
Ampicillin EP Impurity J Pivampicillin Impurity J
AMP10

(2S,5R,6R)-6-[(2-Ethoxy-1-naphthoyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
CAS:147-52-4
Nafcillin (Acid)
NFC00A

(2S,5R,6R)-6-[(2-Ethoxy-1-naphthoyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid sodium salt
CAS:985-16-0
Nafcillin sodium
NFC00N

(2S,5R,6R)-6-[(2-Ethoxy-1-naphthoyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid sulfoxide
CAS:41061-20-5
Nafcillin Sulfoxide
NFC50

(2S,5R,6R)-6-[(Azepan-1-ylmethylene)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo [3.2.0]heptane-2-carboxylic acid
CAS:32887-01-7
Amdinocillin Mecillinam
ADN00

(2S,5R,6R)-6-[[(2R)-2-[[(2R)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino]-2-(4-hydroxyphenyl)acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0] heptane-2-carboxylic acid
CAS:188112-75-6
Amoxicillin EP Impurity G Amoxicillin USP RC G D
AMX07

(2S,5R,6R)-6-[[(2R)-2-[[(2R)-2-Amino-2-phenylacetyl]amino]-2-phenylacetyl] amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
CAS:10001-82-8
Ampicillin EP Impurity I D-Phenylglycylampicilli
AMP09

(2S,5R,6R)-6-[[(2R)-2-[[(4-Ethyl-2,3-dioxopiperazin-1-yl)carbonyl]amino]-2-phenylacetyl] amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
CAS:61477-96-1
Piperacillin (Anhydrous)
PPR00X

(2S,5R,6R)-6-[[(2R)-2-[[[(2S,5R,6R)-6-[[(2R)-2-[[(4-Ethyl-2,3-dioxopiperazin-1-yl)carbonyl]amino]-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-yl]carbonyl]amino]-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2
CAS:65772-67-0
Piperacillin EP Impurity D N-Piperacillinyl Ampic
PPR04

(2S,5R,6R)-6-[[(2R)-2-AMINO-2-(4-HYDROXYPHENYL)ACETYL]AMINO]-3,3-DIMETHYL-7-OXO-4-THIA-1-AZABICYCLO[3.2.0]HEPTANE-2-CARBOXYLIC ACID
CAS:26787-78-0
Amoxicillin (Anhydrous)
AMX00A

(2S,5R,6R)-6-[[(2R)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid sodium salt
CAS:34642-77-8
Amoxicillin (Sodium) Amoxicillin Sodium
AMX00N

(2S,5R,6R)-6-[[(2R)-2-AMINO-2-(4-HYDROXYPHENYL)ACETYL]AMINO]-3,3-DIMETHYL-7-OXO-4-THIA-1-AZABICYCLO[3.2.0]HEPTANE-2-CARBOXYLIC ACID TRIHYDRATE
CAS:61336-70-7
Amoxicillin (Trihydrate) Amoxicillin Trihydrate
AMX00T

(2S,5R,6R)-6-[[(2R)-2-amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
CAS:69-53-4
Sultamicillin EP Impurity C (Anhydrous) Ampicilli
STM03A

(2S,5R,6R)-6-[[(2R)-2-amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
CAS:69-53-4
Ampicillin (Anhydrous)
AMP00A

(2S,5R,6R)-6-[[(2R)-2-amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
CAS:69-53-4
Piperacillin EP Impurity A Ampicillin
PPR01

(2S,5R,6R)-6-[[(2R)-2-Amino-2-phenylacetyl]amino]-3,3-Dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid sodium
CAS:69-52-3
Sultamicillin EP Impurity C (Sodium) Ampicillin S
STM03N

(2S,5R,6R)-6-[[(2R)-2-Amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid trhydrate
CAS:7177-48-2
Ampicillin (Trihydrate)
AMP00T

(2S,5R,6R)-6-[[(2R)-2-Amino-2-phenylacetyl]amino]-3,3-Dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid trihydrate
CAS:7177-48-2
Sultamicillin EP Impurity C (Trihydrate) Ampicill
STM03T

(2S,5R,6R)-6-[[(2S)-2-AMINO-2-(4-HYDROXYPHENYL)ACETYL]AMINO]-3,3-DIMETHYL-7-OXO-4-THIA-1-AZABICYCLO[3.2.0]HEPTANE-2-CARBOXYLIC ACID
CAS:26889-93-0
Amoxicillin EP Impurity B Amoxicillin USP RC B L
AMX02

(2S,5R,6R)-6-[[(2S)-2-AMINO-2-PHENYLACETYL]AMINO]-3,3-DIMETHYL-7-OXO-4-THIA-1-AZABICYCLO[3.2.0]HEPTANE-2-CARBOXYLIC ACID
CAS:19379-33-0
Ampicillin EP Impurity B L-Ampicillin
AMP02

(2S,5R,6R)-6-[[(2S,5R,6R)-6-[[(2R)-2-Amino-2-(4-hydroxyphenyl)acetyl] amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carbonyl] amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
CAS:1789703-32-7
Amoxicillin EP Impurity L Amoxicillin USP RC L 6
AMX12

(2S,5R,6R)-6-[[[(2S,5R,6R)-6-[[[3-(2,6-Dichlorophenyl)-5-methylisoxazol-4-yl] carbonyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-yl] carbonyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid sodium salt
Dicloxacillin Sodium 6-APA Amide 6-APA Dicloxacil
DCX65N

(2S,5R,6R)-6-[[[(2S,5R,6R)-6-[[[3-(2-chloro-6fluorophenyl)-5-methylisoxazol-4-yl]carbonyl]amino]3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-yl]carbonyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
Flucloxacillin EP Impurity E 6-APA Flucloxacilli
FCX05

(2S,5R,6R)-6-[[[(2S,5R,6R)-6-[[[3-(2-Chlorophenyl)-5-methylisoxazol-4-yl] carbonyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-yl] carbonyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
Cloxacillin EP Impurity E 6-APA Cloxacillin Amide
CLX05

(2S,5R,6R)-6-[[[3-(2-Chloro-6-fluorophenyl)-5-methyl-4-isoxazolyl]carbonyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
CAS:5250-39-5
Flucloxacillin (Acid)
FCX00A

(2S,5R,6R)-6-[[[3-(2-Chloro-6-fluorophenyl)-5-methyl-4-isoxazolyl]carbonyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid sodium
CAS:1847-24-1
Flucloxacillin sodium
FCX00N

(2S,5R,6R)-6-[[[3-(Chlorophenyl)-5-methylisoxazol-4-yl]carbonyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
CAS:724695-30-1
Oxacillin EP Impurity G Cloxacillin Isomer
OXL07A

(2S,5R,6R)-6-Amino-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid
CAS:551-16-6
Benzylpenicillin EP Impurity A 6-Aminopenicillani
BZP01

(2S,5R,6R)-6-AMINO-3,3-DIMETHYL-7-OXO-4-THIA-1-AZABICYCLO[3.2.0]HEPTANE-2-CARBOXYLIC ACID
CAS:551-16-6
Amoxicillin EP Impurity A Amoxicillin USP RC A A
AMX01

(2S,5R,6R)-6-AMINO-3,3-DIMETHYL-7-OXO-4-THIA-1-AZABICYCLO[3.2.0]HEPTANE-2-CARBOXYLIC ACID
CAS:551-16-6
Dicloxacillin EP Impurity C Cloxacillin EP Impuri
DCX03

(2S,5R,6R)-6-AMINO-3,3-DIMETHYL-7-OXO-4-THIA-1-AZABICYCLO[3.2.0]HEPTANE-2-CARBOXYLIC ACID
CAS:551-16-6
Sulbactam EP Impurity B Ampicillin EP Impurity A
SBT02

(2S,5R,6R)-6-AMINO-3,3-DIMETHYL-7-OXO-4-THIA-1-AZABICYCLO[3.2.0]HEPTANE-2-CARBOXYLIC ACID
CAS:551-16-6
Cloxacillin EP Impurity C Amoxicillin EP Impurity
CLX03

(2S,5R,6R)-6-AMINO-3,3-DIMETHYL-7-OXO-4-THIA-1-AZABICYCLO[3.2.0]HEPTANE-2-CARBOXYLIC ACID
CAS:551-16-6
Piperacillin EP Impurity H Benzylpenicillin EP Im
PPR08

(2S,5R,6R)-6-AMINO-3,3-DIMETHYL-7-OXO-4-THIA-1-AZABICYCLO[3.2.0]HEPTANE-2-CARBOXYLIC ACID
CAS:551-16-6
Ampicillin EP Impurity A Amoxicillin EP Impurity
AMP01

(2S,5R,6R)-6-AMINO-3,3-DIMETHYL-7-OXO-4-THIA-1-AZABICYCLO[3.2.0]HEPTANE-2-CARBOXYLIC ACID
CAS:551-16-6
Oxacillin EP Impurity A Dicloxacillin EP Impurity
OXL01A

(2S,5R,6R)-6-Amino-3,3-dimethyl-7-oxo-4-thia1-azabicyclo[3.2.0]heptane-2-carboxylic acid
CAS:551-16-6
Flucloxacillin EP Impurity C 6-Aminopenicillanic
FCX03

(2S,5R,6R)-6-BROMO-3,3-DIMETHYL-7-OXO-4-THIA-1-AZABICYCLO[3.2.0]HEPTANE-2-CARBOXYLIC ACID
CAS:26631-90-3
Sulbactam EP Impurity D (Acid) Sulbactam USP RC D
SBT04A

(2S,5R,6R)-6-Bromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 4,4-dioxide
CAS:75527-87-6
Sulbactam EP Impurity C (Acid) 6-Bromopenicillani
SBT03A

(2S,5R,6R)-6-Bromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 4,4-dioxide sodium salt
CAS:76517-23-2
Sulbactam EP Impurity C (Sodium) 6-Bromopenicilla
SBT03N

(2S,5R,6R)-6-Bromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid potassium salt
CAS:4027-64-9
Sulbactam EP Impurity D (Potassium) Sulbactam USP
SBT04K

(2S,5R,6R)-6-Bromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid sodium salt
CAS:73335-78-1
Sulbactam EP Impurity D (Sodium) Sulbactam USP RC
SBT04N

(2S,5R,6R)-6-Hexanamido-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid
CAS:4493-18-9
Benzylpenicillin EP Impurity H
BZP08

(2S,5R,6R)-Pivaloyloxymethyl 6-((R)-2-amino-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylate
CAS:33817-20-8
Pivampicillin (Base)
PVA00B

(2S,5R,6R)-Pivaloyloxymethyl 6-((R)-2-amino-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylate hydrochloride
CAS:26309-95-5
Pivampicillin (HCl) Pivampicillin Hydrochloride
PVA00H

(2S,5R,6R,Z)-6-Hex-3-enamido-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid
Benzylpenicillin EP Impurity G
BZP07

(2S,5R,6S)-6-Bromo-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylic acid
CAS:24138-28-1
Tazobactam RC 5
TZB65

(2S,5R,6S)-Benzhydryl 6-bromo-3,3-dimethyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylate
CAS:74189-25-6
Tazobactam RC 4
TZB64

(2S,5S)-((1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl) 5-hydroxy-1,3-oxathiolane-2-carboxylate
Lamivudine Impurity 3
LMV63

(2S,5S)-1-(4-TERT-BUTYLPHENYL)-2,5-BIS(4-NITROPHENYL)PYRROLIDINE
CAS:1258232-92-6
Ombitasvir RC 2
OTV62

(2S,5S,6R)-2-(1-([1,2,4]Triazolo[3,4-a]phthalazin-3-yl)-1,2,4,5-tetrahydroxypentan-3-yloxy)-6-(hydroxymethyl)-tetrahydro-2H-pyran-3,4,5-triol
Hydralazine Lactosone Ring-Opened Adduct
HDL57

(2S,5S,8R,9S,10S,13S,14S,16S,17R)-10,13-Dimethyl-2-morpholino-3-oxo-16-(pyrrolidin-1-yl)-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl acetate
Rocuronium 3-Oxo Desallyl
RCR53

(2S,7Z,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)-5,21,23-Trihydroxy-27-methoxy-2,4,11,16,20,22,24,26-octamethyl-1,6,15-trioxo-1,2,6,7-tetrahydro-2,7-(epoxypentadeca[1,11,13]trienonitrilo)[1]benzofuro-[4,5-e]pyrido[1,2-a]benzimidazol-25-yl acetate
CAS:80621-76-7
Rifaximin EP Impurity G 6-O,14-Didehydro Rifaximi
RFX07

(2S,aR,a�R,2�R)-a,a�-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]
CAS:213132-06-0
Nebivolol (S,R,R,R)-Isomer
NBV59

(2S,aR,a�R,2�S)-a,a�-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]
CAS:119365-23-0
Nebivolol (S,R,R,S)-Isomer
NBV60

(2S,aR,a�S,2�R)-a,a�-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]
Nebivolol (S,R,S,R)-Isomer
NBV61

(2S,aR,a�S,2�S)-a,a�-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]
Nebivolol (S,R,S,S)-Isomer
NBV62

(2S,aS,a�R,2�R)-a,a�-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]
Nebivolol (S,S,R,R)-Isomer
NBV63

(2S,aS,a�R,2�S)-a,a�-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]
Nebivolol (S,S,R,S)-Isomer
NBV64

(2S,aS,a�S,2�R)-a,a�-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]
Nebivolol (S,S,S,R)-Isomer
NBV65

(2S,aS,a�S,2�S)-a,a�-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]
CAS:119365-28-5
Nebivolol (S,S,S,S)-Isomer
NBV66

(2S-trans)-Methyl 6,8-Dideoxy-6-[[(4-ethyl-1-methyl-2-pyrrolidinyl)carbonyl]amino]- 1-thio-D-erythro-a-D-galactooctopyranoside
CAS:2520-24-3
Lincomycin B (Base)
LCM50B

(2S-trans)-Methyl 6,8-Dideoxy-6-[[(4-ethyl-1-methyl-2-pyrrolidinyl)carbonyl]amino]- 1-thio-D-erythro-a-D-galactooctopyranoside hydrochloride
CAS:11021-35-5
Lincomycin B HCl
LCM50H

(2S-trans)-Methyl 7-Chloro-6,7,8-trideoxy-6-[[(1-methyl-4-propyl-2-pyrrolidinyl) carbonyl]amino]-1-thio-L-threo-a-D-galacto-octopyranoside 3-hexadecanoate
CAS:68225-59-2
Clindamycin 3-Palmitate Impurity (Base)
CMH53B

(2S-trans)-Methyl 7-Chloro-6,7,8-trideoxy-6-[[(1-methyl-4-propyl-2-pyrrolidinyl) carbonyl]amino]-1-thio-L-threo-a-D-galacto-octopyranoside 3-hexadecanoate HCl
CAS:30747-19-4
Clindamycin 3-Palmitate Impurity (HCl)
CMH53H

(2S-trans)-Methyl 7-Chloro-6,7,8-trideoxy-6-[[(4-ethyl-1-methyl-2-pyrrolidinyl) carbonyl]amino]-1-thio-L-threo-a-D-galacto-octopyranoside 2-hexadecanoate
CAS:68206-99-5
Clindamycin B Palmitate Clindamycin IP Impurity A
CMH52B

(2SR)-N-[4-Cyano-3-(trifluoromethyl)phenyl]-3-[(RS)-(4-fluorophenyl) sulfinyl]- 2-hydroxy-2-methylpropanamide
CAS:1080647-26-2 (?)
Bicalutamide EP Impurity F rel-(R*,S*)-Bicalutami
BCL06

(2SR,3RS)-3-(2-ethoxyphenoxy)-2-(methylsulfonyloxy)-3-phenylpropyl 4-nitrobenzoate
CAS:98854-88-7
Reboxetine RC 6
RBX66

(2SR,3RS)-3-(2-Ethoxyphenoxy)-2-hydroxy-3-phenylpropyl 4-nitrobenzoate
CAS:98769-70-1
Reboxetine RC 5
RBX65

(2SR,3RS)-3-(2-ethoxyphenoxy)-3-phenylpropane-1,2-diol
CAS:98769-69-8
Reboxetine RC 4
RBX64

(2�,3a,5a,16�,17�)-2,16-di-1-Pyrrolidinylandrostane-3,17-diol 17-Acetate
CAS:1190105-60-2
Rocuronium Dipyrolidine 17-Acetate
RCR51

(2�,3�,4�,5a,12R,19a)-4-(Acetyloxy)-6,7-didehydro-15-[(2R,6R,8S)-8-carboxy-4-ethyl-1,3,6,7,8,9-hexahydro-2,6-methano-2H-azecino[4,3-b]indol-8-yl]-3-hydroxy-16-methoxy-1-methylaspidospermidine-3-carboxylic acid methyl ester
CAS:868596-47-8
Vinorelbine 18-O-Desmethyl Impurity Vinorelbine 1
VNR51B

(2Z)-(2-AMINOTHIAZOL-4-YL)(METHOXYIMINO)ACETIC ACID
CAS:65872-41-5
Cefepime EP Impurity D Cefepime USP RC D
CPM04

(2Z)-[2-(DIAMINOMETHYLIDENE)DIAZANYLIDENE](2,3-DICHLOROPHENYL)ACETONITRILE
CAS:84689-20-3 (Z/E)
Lamotrigine EP Impurity C
LMT03

(2Z)-1-[3-(Trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-4-(2,4,5-trifluorophenyl)but-2-en-1-one
CAS:1803026-54-1
Sitagliptin FP Impurity D (Z)-Isomer
SGT94

(2Z)-2-(2-Aminothiazol-4-yl)-N-(formylmethyl)-2-(methoxyimino)acetamide
CAS:104301-63-5
Cefepime EP Impurity C Cefepime USP RC C
CPM03

(2Z)-2-(2-OXOPYRROLIDIN-1-YL)BUT-2-ENAMIDE
CAS:358629-47-7
Levetiracetam EP Impurity B Levetiracetam Dehydro
LET02

(2Z)-2-(2-Oxopyrrolidin-1-yl)but-2-enoic acid
CAS:358629-39-7
Levetiracetam Dehydro Acid
LET32

(2Z)-2-CYANO-3,4-DIHYDROXY-N-[4-(TRIFLUOROMETHYL)PHENYL]-2-BUTENAMIDE
CAS:1058722-45-4
Teriflunomide 4-Hydroxy
TFM54

(2Z)-2-CYANO-3-(3,4-DIHYDROXY-5-NITROPHENYL)-N,N-DIETHYL-2-PROPENAMIDE
CAS:145195-63-7
Entacapone EP Impurity A Entacapone USP RC A Ent
ETC01

(2Z)-4-[(1S)-1-[[(1,1-Dimethylethyl)amino]methyl]-2-[[4-(morpholin-4-yl)-1,2,5-thiadiazol-3-yl]oxy]ethoxy]-4-oxobut-2-enoic acid
CAS:1026075-53-5
Timolol EP Impurity E (Base) Timolol BP Impurity
TML05B

(2Z)-4-[(1S)-1-[[(1,1-Dimethylethyl)amino]methyl]-2-[[4-(morpholin-4-yl)-1,2,5-thiadiazol-3-yl]oxy]ethoxy]-4-oxobut-2-enoic acid maleate salt
Timolol EP Impurity E (Maleate) Timolol BP Impuri
TML05M

(2Z)-4-Oxo-4-[3-(trifluoroMethyl)-5,6-dihydro-[1,2,4] triazolo[4,3-a]pyrazine-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-one
CAS:764667-65-4
Sitagliptin keto amide impurity
SGT36

(2Z)-4-OXO-4-[3-(TRIFLUOROMETHYL)-5,6-DIHYDRO[1,2,4]TRIAZOLO[4,3-A]PYRAZIN-7(8H)-YL]-1-(2,4,5-TRIFLUOROPHENYL)BUT-2-EN-2-AMINE
CAS:767340-03-4
Sitagliptin Enamine Impurity
SGT35B

(2Z)-N,6,6-Trimethyl-N-(naphthalen-1-ylmethyl)hept-2-en-4-yn-1-amine
Terbinafine EP Impurity B (Base) Terbinafine USP
TBN02B

(2Z)-N,6,6-Trimethyl-N-(naphthalen-1-ylmethyl)hept-2-en-4-yn-1-amine HCl
CAS:176168-78-8
Terbinafine EP Impurity B (HCl) Terbinafine USP R
TBN02H

(2Z)-N,6,6-Trimethyl-N-(naphthalen-2-ylmethyl)hept-2-en-4-yn-1-amine
CAS:926281-74-5
Terbinafine EP Impurity F Terbinafine BP Impurity
TBN06B

(2Z,4E,6E,8E)-3,7-DIMETHYL-9-(2,6,6-TRIMETHYL-3-OXOCYCLOHEX-1-EN-1-YL)NONA-2,4,6,8-TETRAENOIC ACID
CAS:71748-58-8
Isotretinoin EP Impurity H 4-Oxo 13-cis Retinoic
ITN08

(2Z,4E,6E,8E)-3,7-DIMETHYL-9-(2,6,6-TRIMETHYLCYCLOHEX-1-ENYL)NONA-2,4,6,8-TETRAENOIC ACID
CAS:4759-48-2
Tretinoin EP Impurity A Isotretinoin 13-Cis Reti
TNN01

(2Z,4E,6E,8E)-3,7-DIMETHYL-9-(2,6,6-TRIMETHYLCYCLOHEX-1-ENYL)NONA-2,4,6,8-TETRAENOIC ACID
CAS:4759-48-2
Isotretinoin Tretinoin EP Impurity A 13-Cis Reti
ITN00

(2Z,4E,6E,8E)-3,7-Dimethyl-9-[(1RS,6SR)-2,2,6-trimethyl-7-oxabicyclo[4.1.0]hept-1-yl]nona-2,4,6,8-tetraenoic acid
CAS:81444-57-7
Isotretinoin EP Impurity G 5,6-Epoxy-13-cis-Retin
ITN07

(2Z,4E,6E,8E)-9-(4-methoxy-2,3,6-trimethylphenyl)-3,7-dimethylnona-2,4,6,8-tetraenoic acid
CAS:69427-46-9
Acitretin USP RC A Acitretin EP Impurity A
ATT21

(2Z,4E,6E,8E)-9-[(3RS)-3-Hydroxy-2,6,6-trimethylcyclohex-1-en-1-yl]-3,7-dimethylnona-2,4,6,8-tetraenoic acid
CAS:75281-25-3
Isotretinoin EP Impurity I 4-Hydroxy 13-cis Retin
ITN09

(2Z,4E,6Z,8E)-3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-enyl)nona-2,4,6,8-tetraenoic acid
CAS:5352-74-9
Isotretinoin EP Impurity B Tretinoin EP Impurity
ITN02

(2Z,4E,6Z,8E)-3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-enyl)nona-2,4,6,8-tetraenoic acid
CAS:5352-74-9
Tretinoin EP Impurity B Isotretinoin EP Impurity
TNN02

(2Z,4Z,6E,8E)-3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-enyl)nona-2,4,6,8-tetraenoic acid
CAS:3555-80-4
Tretinoin EP Impurity C Isotretinoin EP Impurity
TNN03

(2Z,4Z,6E,8E)-3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-enyl)nona-2,4,6,8-tetraenoic acid
CAS:3555-80-4
Isotretinoin EP Impurity C Tretinoin EP Impurity
ITN03

(2Z,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl)amino]-5-pyrimidinyl]-5-hydroxy-hept-2,6-dienoic acid
CAS:1422954-12-8
Rosuvastatin EP Impurity K (Acid) 2,3-Anhydro Ros
RSV11A

(2Z,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl)amino]-5-pyrimidinyl]-5-hydroxy-hept-2,6-dienoic acid calcium salt
CAS:1659301-59-3
Rosuvastatin EP Impurity K (Sodium) 2,3-Anhydro R
RSV11N

(2Z,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl)amino]-5-pyrimidinyl]-5-hydroxy-hept-2,6-dienoic acid calcium salt
Rosuvastatin EP Impurity K (Calcium) 2,3-Anhydro
RSV11C

(3,4-Diaminophenyl)(p-tolyl)methanone
CAS:42754-53-0
Mebendazole Impurity 1
MBD51

(3,4-DIAMINOPHENYL)(PHENYL)METHANONE
CAS:39070-63-8
Mebendazole Impurity 4 (Base)
MBD54B

(3,4-Diaminophenyl)(phenyl)methanone HCl
CAS:57070-71-0
Mebendazole Impurity 4 (HCl)
MBD54H

(3,4-Difluoro-2-(2-fluoro-4-iodophenylamino)phenyl)(3-hydroxy-3-(piperidin-2-yl)azetidin-1-yl)methanone
CAS:934662-91-6
Cobimetinib Racemate
CMB50B

(3,4-DIMETHOXYPHENYL)METHANOL
CAS:93-03-8
Verapamil EP Impurity E Verapamil USP RC F
VRP05

(3,5-Dibromo-4-hydroxyphenyl)(2-ethyl-6-hydroxy-3-benzofuranyl)methanone
CAS:152831-00-0
Benzbromarone 6-Hydroxy Impurity
BZB60

(3,5-Dibromo-4-hydroxyphenyl)(2-ethylbenzofuran-3-yl)-methanone
CAS:3562-84-3
Benzbromarone
BZB00

(3,5-Dichloro-4-methoxyphenyl)methanamine hydrochloride
CAS:38057-59-9
Avanafil RC 2 (HCl) Avanafil Impurity C
AVF52H

(3,6-Dimethyl-5-((1E,3E)-2-methyl-4-(2,6,6-trimethylcyclohex-1-en-1-yl)buta-1,3-dien-1-yl)-6-((1E,3E,5E)-4-methyl-6-(2,6,6-trimethylcyclohex-1-en-1-yl)hexa-1,3,5-trien-1-yl)cyclohex-3-ene-1,2-diyl)dimethanol
CAS:22555-09-5
Vitamin A Kitol
VTA51

(3-(1-(1H-Imidazol-5-yl)ethyl)-2-methylphenyl)methanol
CAS:128366-50-7
Medetomidine RC4
MDT64

(3-(2-(Dimethylamino)ethyl)-2-((3-(2-(dimethylamino)ethyl)-1H-indol-2-yl)methyl)-1H-indol-5-yl)-N-methylmethanesulfonamide
Sumatriptan RC 1
SMT51

(3-(2-Chloroethyl)-1-cyclohexyl-1-nitrosourea)
CAS:54749-91-6
Lomustine USP RC D
LMS24

(3-(3-CHLOROPHENETHYL)PYRIDIN-2-YL)(1-METHYLPIPERIDIN-4-YL)METHANONE
CAS:130642-50-1
Desloratadine Methanone Impurity (Base) Loratadin
DLR45B