Molcan Corporation (Page 4) @ ChemBuyersGuide.com, Inc.

(R)-1-(3-(4-AMINO-3-(4-PHENOXYPHENYL)-1H-PYRAZOLO[3,4-D]PYRIMIDIN-1-YL)PIPERIDIN-1-YL)ETHANONE
CAS:1288338-95-3
Ibrutinib N-Acetyl Analog
IBT46

(R)-1-(3-(4-AMINO-3-(4-PHENOXYPHENYL)-1H-PYRAZOLO[3,4-D]PYRIMIDIN-1-YL)PIPERIDIN-1-YL)PROPAN-1-ONE
CAS:1839099-22-7
Ibrutinib N-Propionyl Analog
IBT43

(R)-1-(3-(Methylamino)-1-(thiophen-2-yl)propyl)naphthalen-2-ol
CAS:1346616-98-5
Duloxetine 2-Naphthalenol (R)-Isomer
DLX81

(R)-1-(3-Hydroxypropyl)-5-(2-((2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl) (2-(2-(2,2,2-trifluoroethyl)phenoxy)ethyl)amino)propyl)indoline-7-carboxamide
CAS:1453221-45-8
Silodosin Dimer Impurity
SLD54

(R)-1-(3-Hydroxypropyl)-5-(2-(2-(2-(2,2,2-trifluoroethoxy)phenoxy) ethylamino)propyl)-1H-indole-7-carboxamide
CAS:175870-21-0
Silodosin Dehydro Impurity
SLD52

(R)-1-(3-Hydroxypropyl)-5-(2-(2-(2-(2,2,2-trifluoroethoxy)phenoxy) ethylamino)propyl)indoline-7-carbonitrile
CAS:885340-13-6
Silodosin Nitrile Impurity
SLD55

(R)-1-(3-Hydroxypropyl)-5-(2-(2-(2-(2,2,2-trifluoroethoxy)phenoxy)-N-nitroso-ethylamino) propyl)indoline-7-carboxamide
Silodosin N-Nitroso Impurity
SLD48

(R)-1-(3-Hydroxypropyl)-5-(2-(2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethylamino) propyl)indoline-7-carboxamide
CAS:160970-54-7
Silodosin
SLD00

(R)-1-(3-Hydroxypropyl)-5-(2-(2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethylamino) propyl)indoline-7-carboxamide N-oxide
CAS:2361272-05-9
Silodosin N-Oxide
SLD56

(R)-1-(4-(2-(Cyclopropylmethoxy)ethyl)phenoxy)-3-(isopropylamino)propan-2-ol
CAS:91878-53-4
Betaxolol (R)-Isomer
BTX51B

(R)-1-(4-(2-(Cyclopropylmethoxy)ethyl)phenoxy)-3-(isopropylamino)propan-2-ol hydrochloride
CAS:91878-54-5
Betaxolol (R)-Isomer (HCl)
BTX51H

(R)-1-(4-NITROPHENYL)ETHANAMINE
CAS:22038-87-5
Tamsulosin RC 10
TMS70

(R)-1-(5,6,7,8-TETRAHYDRONAPHTHALEN-1-YL)ETHANAMINE
CAS:851984-49-1
Cinacalcet Impurity 15
CCC75B

(R)-1-(5-AMINO-2-(1-(BENZYLOXY)-2-METHYLPROPAN-2-YL)-6-FLUORO-1H-INDOL-1-YL)-3-(BENZYLOXY)PROPAN-2-OL
CAS:1294504-67-8
Tezacaftor RC 1
TZC61

(R)-1-(6-AMINO-9H-PURIN-9-YL)PROPAN-2-OL
CAS:14047-28-0
Tenofovir (R)-Propanol Impurity
TNF60B

(R)-1-(9H-Purin-6-ylamino)propan-2-ol
CAS:1244022-52-3
Tenofovir RC 12
TNFX2

(R)-1-(CHLOROACETYL)-2-PYRROLIDINECARBONITRILE
CAS:565452-98-4
Vildagliptin Chloroacetyl Nitrile (R)-Isomer
VDG57

(R)-1-(NAPHTHALEN-1-YL)ETHANAMINE HCL
CAS:3886-70-2
Cinacalcet Impurity A Cinacalcet Amine Impurity
CCC31H

(R)-1-[(4-CHLOROPHENYL)PHENYLMETHYL]PIPERAZINE
CAS:300543-56-0
Levocetirizine Chlorobenzhydryl Piperazine (USP)
LCZ51B

(R)-1-[2-[(4-Chlorophenyl)phenylmethoxy]ethyl]piperidine
CAS:132301-91-8
Cloperastine L-Isomer (Base) LevoCloperastine
CPS50B

(R)-1-[2-[(4-Chlorophenyl)phenylmethoxy]ethyl]piperidine fendizoate
CAS:220329-19-1
Cloperastine L-Isomer (Fendizoate) L-Cloperastine
CPS50F

(R)-1-[3-(Acetyloxy)propyl]-2,3-dihydro-5-[2-[[2-[2-(2,2,2-trifluoroethoxy)phenoxy] ethyl]amino]propyl]-1H-Indole-7-carboxamide
CAS:160970-86-5
Silodosin O-Acetyl Impurity
SLD57

(R)-1-[4,4-Bis(3-Methyl-2-thienyl)-3,4-dihydroxybutyl]-3-piperidinecarboxylic acid
Tiagabine Dihydroxy Impurity
TGB52

(R)-1-[4,4-Bis(3-Methyl-2-thienyl)-3-oxobutyl]-3-piperidinecarboxylic acid
CAS:161014-55-7
Tiagabine Keto Impurity (Base)
TGB53B

(R)-1-[4,4-Bis(3-Methyl-2-thienyl)-3-oxobutyl]-3-piperidinecarboxylic acid 4-methylbenzenesulfonate
CAS:161014-56-8
Tiagabine Keto Impurity (Tosylate)
TGB53T

(R)-1-Isopropylamino-3-[4-(2-propoxyethoxymethyl) phenoxy] propan-2-ol
CAS:539823-39-7
Bisoprolol EP Impurity B (R)-Isomer (R)-Bisoprolo
BSP61B

(R)-1-Methyl-1-(3-phenyl-3-(o-tolyloxy)propyl)urea
Atomoxetine N-Amide Impurity Atomoxetine Urea Imp
ATM42

(R)-1-PHENYL-1,2,3,4-TETRAHYDROISOQUINOLINE
CAS:180272-45-1
Solifenacin Impurity 5
SLF65B

(R)-1-PHENYLETHANAMINE
CAS:3886-69-9
Levetiracetam EP Impurity E
LET05

(R)-1-PHENYLETHANAMINE
CAS:3886-69-9
Pregabalin Impurity 32
PRG92

(R)-10-(1-Aminocyclopropyl)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid mesylate
CAS:677004-96-5
Pazufloxacin Mesylate Enantiomer R-Pazufloxacin M
PZF50M

(R)-10-(2,4,5-Trifluorobenzyl)-3-(trifluoromethyl)-6,7,10,11-tetrahydro [1,2,4] triazolo [3,4-c][1,4,7]triazecine-8,12(5H,9H)-dione
CAS:2088771-61-1 (10R)
Sitagliptin FP Impurity B Sitagliptin Triazecine
SGT42

(R)-10-(2,4,5-Trifluorobenzyl)-3-(trifluoromethyl)-9,10-dihydro-5H-[1,2,4]triazolo[3',4'3,4]pyrazino[1,2-a]pyrimidin-8(6H)-one
Sitagliptin M2 Dehydro R-Isomer
SGT48B

(R)-10-Monohydroxy-10,11-dihydro carbamazepine O-�-D-glucuronide
CAS:104746-01-2
Carbamazepine Dihydro Glucuronide (Acid) R-Licarb
CBM54A

(R)-10-Monohydroxy-10,11-dihydro Carbamazepine O-�-D-Glucuronide Sodium Salt
Carbamazepine Dihydro Glucuronide (Sodium) R-Lica
CBM54N

(R)-2,3-DIHYDROXY-6-(1-HYDROXY-2-(METHYLAMINO)ETHYL)BENZENESULFONIC ACID
Adrenaline RC 3
ADZ63

(R)-2-(((5aR,6R)-1,7-Dioxo-1,3,4,5a,6,7-hexahydroazeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)amino)-2-oxo-1-phenylethyl formate
CAS:1417570-09-2
Cefathiamidine RC 2
CHM62

(R)-2-((2-OXO-3-(4-(3-OXOMORPHOLINO)PHENYL)OXAZOLIDIN-5-YL)METHYL)ISOINDOLINE-1,3-DIONE
CAS:1424944-35-3
Rivaroxaban Impurity 37
RVR97

(R)-2-((3-METHYL-2,4-DIOXO-6-(PIPERIDIN-3-YLAMINO)-3,4-DIHYDROPYRIMIDIN-1(2H)-YL)METHYL)BENZONITRILE
CAS:2089611-85-6
Alogliptin Impurity 2 Alogliptin Impurity D
ALG72

(R)-2-((4-(2-Methoxyethyl)phenoxy)methyl)oxirane
CAS:133397-54-3
Metoprolol RC 3
MTP63

(R)-2-((6-(3-((3-(2-CYANO-5-FLUOROBENZYL)-1-METHYL-2,6-DIOXO-1,2,3,6-TETRAHYDROPYRIMIDIN-4-YL)AMINO)PIPERIDIN-1-YL)-3-METHYL-2,4-DIOXO-3,4-DIHYDROPYRIMIDIN-1(2H)-YL)METHYL)-4-FLUOROBENZONITRILE
Trelagliptin RC 14
TLG74

(R)-2-((6-(3-AMINOPIPERIDIN-1-YL)-2,4-DIOXO-3,4-DIHYDROPYRIMIDIN-1(2H)-YL)METHYL)BENZONITRILE
CAS:865758-98-1
Alogliptin Impurity 3 (Base)
ALG73B

(R)-2-((6-(3-Aminopiperidin-1-yl)-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl)benzonitrile trifluoroacetate
CAS:1262205-67-3
Alogliptin Impurity 3 (TFA Salt)
ALG73T

(R)-2-((6-(3-AMINOPIPERIDIN-1-YL)-3-METHYL-2,4-DIOXO-3,4-DIHYDROPYRIMIDIN-1(2H)-YL)METHYL)-4-FLUOROBENZAMIDE
CAS:1938080-44-4
Trelagliptin RC 6
TLG66

(R)-2-((6-(3-AMINOPIPERIDIN-1-YL)-3-METHYL-2,4-DIOXO-3,4-DIHYDROPYRIMIDIN-1(2H)-YL)METHYL)-4-FLUOROBENZONITRILE
CAS:865759-25-7
Trelagliptin
TLG00

(R)-2-((6-(3-AMINOPIPERIDIN-1-YL)-3-METHYL-2,4-DIOXO-3,4-DIHYDROPYRIMIDIN-1(2H)-YL)METHYL)-4-FLUOROBENZONITRILE
Trelagliptin RC 5
TLG65

(R)-2-((6-(3-AMINOPIPERIDIN-1-YL)-3-METHYL-2,4-DIOXO-3,4-DIHYDROPYRIMIDIN-1(2H)-YL)METHYL)BENZAMIDE
Alogliptin Impurity 5
ALG75

(R)-2-((6-(3-Formamidopiperidin-1-yl)-3-methyl-2,4-dioxo-3,4-dihydro pyrimidin-1(2H)-yl)methyl)benzamide
Alogliptin N-Formyl Carbamoyl Impurity
ALG62

(R)-2-((6R,7R)-7-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-8-oxo-3-((Z)-prop-1-enyl)-5-thia-1-aza-bicyclo[4.2.0]oct-3-enecarboxamido)-2-(4-hydroxyphenyl)acetic acid
Cefprozil Amide
CFZ54

(R)-2-((NAPHTHALEN-1-YLOXY)METHYL)OXIRANE
CAS:56715-28-7
Naftopidil RC 5
NFP65

(R)-2-((R)-((Z)-2-(2-AMINOTHIAZOL-4-YL)-2-(METHOXYIMINO)ACETAMIDO)(CARBOXY)METHYL)-3,6-DIHYDRO-2H-1,3-THIAZINE-4-CARBOXYLIC ACID
Ceftizoxime RC 5 2-Carboxy Ceftizoxime
CFX65A

(R)-2-((R)-(2-Ethoxyphenoxy)(phenyl)methyl)oxirane
CAS:98769-72-3
Reboxetine RC 7
RBX67

(R)-2-((S)-((E)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido)(carboxy)methyl)-5-hydroxy-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid
Ceftizoxime RC 14 2-Carboxy-5-Hydroxy Ceftizoxime
CFX74A

(R)-2-((Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido)-2-((R)-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl)acetic acid
CAS:75679-12-8
Cefotaxime Open-Ring Lactone
CTX51

(R)-2-(1-([1,1'-BIPHENYL]-4-YL)-3-(BENZYLOXY)PROPAN-2-YL)ISOINDOLINE-1,3-DIONE
CAS:2036308-56-0
Sacubitril AHU-74B
SCT66

(R)-2-(2,5-DIFLUOROPHENYL)PYRROLIDINE
CAS:1218935-59-1
Larotrectinib Pyrrolidine Impurity
LTT56B

(R)-2-(2,5-DIFLUOROPHENYL)PYRROLIDINE HCL
CAS:1218935-60-4
Larotrectinib Pyrrolidine Impurity (HCl)
LTT56H

(R)-2-(2,6-Dioxopiperidin-3-yl)isoindoline-1,3-dione
CAS:6/4/2614
Thalidomide (R)-Isomer
TLD51

(R)-2-(2-((R)-2-(2-((3R,5S)-1-((S)-1-((S)-2-((R)-2-Amino-5-guanidinopentanamido)-5-guanidinopentanoyl)pyrrolidine-2-carbonyl)-3-hydroxypyrrolidine-5-carboxamido)acetamido)-3-(thiophen-2-yl)propanamido)-3-hydroxypropanoyl)-1,2,3,4-tetrahydroisoquinoline-3-
Icatibant RC 3 (TFA Salt)
ITB63T

(R)-2-(2-(1-Ethyl-2,3-dioxopiperazine-4-carboxamido)-2-phenylacetamido)acetic acid
CAS:2170771-47-6
Piperacillin Impurity 2
PPR52

(R)-2-(2-(4-(3-(2-Chlorothiophene-5-carboxamido)-2-hydroxypropylamino)phenylamino)ethoxy)acetic acid
Rivaroxaban Impurity 20
RVR80

(R)-2-(2-(Benzofuran-6-carbonyl)-5,7-dichloro-1,2,3,4-tetrahydroisoquinoline-6-carboxamido)-3-(3-(methylsulfonyl)phenyl)propanoic acid
CAS:2271299-08-0
Lifitegrast (R)-Isomer
LGS50A

(R)-2-(2-{4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl}ethoxy)acetamide
CAS:909779-33-5
Levocetirizine Amide (Base)
LCZ53B

(R)-2-(2-{4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl}ethoxy)acetamide dihydrochloride
Levocetirizine Amide (2HCl)
LCZ53H

(R)-2-(2-Aminothiazol-4-yl)-N-(3-(2-(2-hydroxy-2-phenylethylamino)ethyl)phenyl)acetamide
CAS:1684452-81-0
Mirabegron meta-Isomer Mirabegrone Impurity A
MRB56B

(R)-2-(2-Aminothiazol-4-yl)-N-(3-(2-(2-hydroxy-2-phenylethylamino)ethyl)phenyl)acetamide
CAS:1684452-80-9
Mirabegron ortho-Isomer Mirabegrone Impurity B
MRB57B

(R)-2-(2-Aminothiazol-4-yl)-N-(4-(2-((4-(2-((2-hydroxy-2-phenylethyl)amino)ethyl)phenyl)amino)-2-oxoethyl)thiazol-2-yl)acetamide
Mirabegron Diamide 2
MRB72B

(R)-2-(2-AMINOTHIAZOL-4-YL)-N-(4-(2-(2-AMINOTHIAZOL-4-YL)ACETAMIDO)PHENETHYL)-N-(2-HYDROXY-2-PHENYLETHYL)ACETAMIDE
CAS:1684452-83-2
Mirabegron Diamide 1
MRB71B

(R)-2-(2-Ethoxyphenoxy)-N-(1-(4-methoxy-3-sulfamoylphenyl)propan-2-yl)acetamide
CAS:133261-17-3
Tamsulosin RC 2 Tamsulosin Amide
TMS62

(R)-2-(2-Oxopyrrolidin-1-yl)butanoic acid
CAS:103833-72-3
Levetiracetam Impurity 7 Levetiracetam Acid R-Iso
LET57

(R)-2-(3-Amino-1-phenylpropyl)-4-methylphenol
CAS:1203453-90-0
Tolterodine Impurity 7
TTR67

(R)-2-(4-(3-Fluorobenzyloxy)benzylamino)propanamide
CAS:174756-44-6
Safinamide (R)-Isomer
SFN50

(R)-2-(4-AMINOPHENETHYLAMINO)-1-PHENYLETHANOL
CAS:391901-45-4
Mirabegron Des-ATAA Impurity (Base) Mirabegron Im
MRB62B

(R)-2-(4-Aminophenethylamino)-1-phenylethanol HCl
CAS:521284-22-0
Mirabegron Des-ATAA Impurity (HCl) Mirabegron Imp
MRB62H

(R)-2-(4-NITROPHENETHYLAMINO)-1-PHENYLETHANOL
CAS:223673-34-5
Mirabegron RC 2 (Base)
MRB42B

(R)-2-(4-NITROPHENETHYLAMINO)-1-PHENYLETHANOL HYDROCHLORIDE
CAS:521284-21-9
Mirabegron RC 2 (HCl)
MRB42H

(R)-2-(6-(2-(2,6-Dichlorobenzyloxy)ethoxy)hexylamino)-1-(2,2-dimethyl-4H-benzo[d][1,3]dioxin-7-yl)ethanol
CAS:503068-37-9
Vilanterol RC 6
VLT56

(R)-2-(6-Chloro-9H-carbazol-2-yl)propanoic acid
CAS:52263-83-9
Carprofen RC 3 (R)-Carprofen
CRN63

(R)-2-(Acetylamino)-3-methoxy-N-methyl-N-(phenylmethyl)-propanamide
Lacosamide EP Impurity C Lacosamide N-Methyl Impu
LSM03

(R)-2-(Benzyloxycarbonyl)-3-methoxypropanoic acid
CAS:86096-35-7
Lacosamide Impurity 4
LSM64

(R)-2-(Propylamino)-N-o-tolylpropanamide
CAS:14289-32-8
Prilocaine R-Isomer
PCL51B

(R)-2-(Propylamino)-N-o-tolylpropanamide HCl
Prilocaine R-Isomer HCl
PCL51H

(R)-2-(TERT-BUTOXYCARBONYL)-2-PHENYLETHYL METHANESULFONATE
CAS:102089-75-8
Elagolix RC 3
EGX63

(R)-2-[(Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)acetamido]-2-[(2RS,5RS)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl]acetic acid
CAS:178422-42-9
Cefdinir USP RC A (Acid) Cefdinir Open-Ring Lacto
CFD21A

(R)-2-[(Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)acetamido]-2-[(2RS,5RS)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl]acetic acid sodium salt
Cefdinir USP RC A (Sodium Salt) Cefdinir Sodium O
CFD21N

(R)-2-[1-(3-Ethoxy-4-methoxyphenyl)-2-methylsulfonylethyl]-4-acetylamino isoindoline-1,3-dione
CAS:608141-44-2
Apremilast R-Isomer
APM50

(R)-2-[1-[2-(2,3-Dihydrobenzfuran-5-yl)ethyl]-3-pyrrolidinyl]-2,2-diphenylacetamide
CAS:133099-05-5
Darifenacin R-Isomer (Base)
DRF30B

(R)-2-[1-[2-(2,3-Dihydrobenzfuran-5-yl)ethyl]-3-pyrrolidinyl]-2,2-diphenylacetamide HBr
CAS:1092800-15-1
Darifenacin R-Isomer (HBr)
DRF30H

(R)-2-[2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethoxy]acetic acid
CAS:130018-77-8
Cetirizine R-Isomer (Base) Levocetirizine
CTR50B

(R)-2-[2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethoxy]acetic acid dihydrochloride
CAS:130018-87-0
Cetirizine R-Isomer (2HCl) Levocetirizine Dihydro
CTR50H

(R)-2-[4-(2-Methylpropyl)phenyl]propanoic acid
CAS:51146-57-7
Ibuprofen (R)-Isomer l-(-)-Ibuprofen
IBP52

(R)-2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]acetic acid
CAS:942193-17-1
Levocetirizine Acetic Acid (Base)
LCZ52B

(R)-2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]acetic acid hydrochloride
CAS:942132-30-1
Levocetirizine Acetic Acid (HCl)
LCZ52H

(R)-2-Acetamido-3-(4-(ethylamino)-6-(isopropylamino)-1,3,5-triazin-2-ylthio)propanoic acid
CAS:138722-96-0
Atrazine Mercapturate
ARZ55

(R)-2-Acetamido-3-(methylcarbamoylthio)propanoic acid
CAS:103974-29-4
Acetylcysteine RC 3
ACC53

(R)-2-ACETAMIDO-3-METHOXYPROPANOIC ACID
CAS:196601-67-9
Lacosamide Impurity 1
LSM61

(R)-2-Amino-3-((E)-4-((S)-2-(8-amino-1-(4-(pyridin-2-ylcarbamoyl)phenyl)imidazo[1,5-a]pyrazin-3-yl)pyrrolidin-1-yl)-4-oxobut-2-en-2-ylthio)propanoic acid
Acalabrutinib M10
AAL60

(R)-2-Amino-3-(4-methoxyphenyl)-2-methylpropanoic acid
Methyldopa EP Impurity B R-Isomer
MTD62

(R)-2-AMINO-3-HYDROXYPROPANOIC ACID
CAS:312-84-5
Cycloserine RC 1
CSR61B

(R)-2-AMINO-3-SULFOPROPANOIC ACID
CAS:498-40-8
Acetylcysteine RC 1
ACC51

(R)-2-Amino-4,5,6,7-tetrahydro-6-(propylamino)benzothiazole
CAS:104632-28-2
Pramipexole EP Impurity D (Base) Pramipexole USP
PMP04B

(R)-2-Amino-4,5,6,7-tetrahydro-6-(propylamino)benzothiazole dihydrochloride
CAS:104632-27-1
Pramipexole EP Impurity D (2HCl) Pramipexole USP
PMP04H

(R)-2-Amino-4,5,6,7-tetrahydro-6-aminobenzothiazole
CAS:106092-11-9
Pramipexole N6-Despropyl (R)-Isomer Pramipexole (
PMP46B

(R)-2-Aminobutanamide
CAS:104652-77-9
Levetiracetam Impurity 3 (Base)
LET53B

(R)-2-AMINOBUTANAMIDE HYDROCHLORIDE
CAS:103765-03-3
Levetiracetam Impurity 3 (HCl)
LET53H

(R)-2-Aminobutanoic acid D-2-Amino-butyric acid
CAS:2623-91-8
Levetiracetam Impurity 1 (Base)
LET51B

(R)-2-Aminobutanoic acid hydrochloride D-2-Amino-butyric acid hydrochloride
CAS:67607-42-5
Levetiracetam Impurity 1 (HCl)
LET51H

(R)-2-Chloro-alpha-[[2-(2-thienyl)ethyl]amino]benzeneacetic acid methyl ester HCl
CAS:1258938-54-3
Clopidogrel EP Impurity F R-Isomer (HCl) Clopidog
CPG46H

(R)-2-Chloro-N-(1-(4-methoxy-3-sulfamoylphenyl)propan-2-yl)acetamide
CAS:855298-56-5
Tamsulosin RC 1
TMS61

(R)-2-Hydroxy-3-(2-methoxyphenoxy)propyl carbamate
CAS:145841-69-6
Methocarbamol (R)-Isomer
MTC50

(R)-2-HYDROXY-3-METHOXY-3,3-DIPHENYLPROPANOIC ACID
CAS:178306-49-5
Ambrisentan (R)-Hydroxy Acid
ABS73

(R)-2-Hydroxy-4-(1-hydroxy-2-(methylamino)ethyl)phenyl hydrogen sulfate
CAS:85927-06-6
Adrenaline RC 8 Adrenaline 4-O-Sulfate
ADZ68

(R)-2-Hydroxy-5-(1-hydroxy-2-(methylamino)ethyl)phenyl pivalate
CAS:144750-97-0
Dipivefrine EP Impurity C R-Isomer
DPV53

(R)-2-Methyl-1,2,3,4-tetrahydroisoquinoline-4,8-diol
Phenylephrine USP RC F (Base)
PNP26B

(R)-2-METHYL-1,2,3,4-TETRAHYDROISOQUINOLINE-4,8-DIOL HYDROCHLORIDE MONOHYDRATE
CAS:1007885-60-0
Phenylephrine USP RC F (HCl)
PNP26H

(R)-2-METHYL-6-NITRO-2-((4-(4-(4-(TRIFLUOROMETHOXY)PHENOXY)PIPERIDIN-1-YL)PHENOXY)METHYL)-2,3-DIHYDROIMIDAZO[2,1-B]OXAZOLE
CAS:681492-22-8
Delamanid
DLM00

(R)-2-Oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidine-5-carbaldehyde
CAS:1160170-03-5
Rivaroxaban Impurity 35
RVR95

(R)-2-Oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidine-5-carboxylic acid
CAS:1160170-07-9
Rivaroxaban Impurity 36
RVR96

(R)-2-PHENYLBUTANOIC ACID
CAS:938-79-4
Butamirate Butyric Acid R-Isomer
BTM50

(R)-3-(((S)-2-HYDROXY-1-PHENYLETHYL)AMINO)-1-(3-(TRIFLUOROMETHYL)-5,6-DIHYDRO-[1,2,4]TRIAZOLO[4,3-A]PYRAZIN-7(8H)-YL)-4-(2,4,5-TRIFLUOROPHENYL)BUTAN-1-ONE
CAS:1459759-18-2
Sitagliptin N-Phenylethanol Adduct
SGT38

(R)-3-((1-METHYLPYRROLIDIN-2-YL)METHYL)-1,5-BIS(2-(PHENYLSULFONYL)ETHYL)-1H-INDOLE
CAS:1181222-90-1
Eletriptan Impurity G
ETT67B

(R)-3-((1-METHYLPYRROLIDIN-2-YL)METHYL)-1H-INDOLE
CAS:143322-55-8
Eletriptan Impurity A
ETT61B

(R)-3-((2S,3S)-3-(3-(Dibenzylamino)phenyl)-2-(2-methyl-1,3-dioxolan-2-yl)pentanoyl)-4-phenyloxazolidin-2-one
CAS:188559-29-7
Tipranavir RC 1
TNV61

(R)-3-((2S,5R)-2-((S)-1-(3-(Dibenzylamino)phenyl)propyl)-5-hydroxy-3-oxo-5-phenethyloct-6-ynoyl)-4-phenyloxazolidin-2-one
CAS:188559-22-0
Tipranavir RC 3
TNV63

(R)-3-((3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-3,7,12-Trihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)butanoic acid
CAS:60696-62-0
Cholic Acid Butanoic Acid Norcholic Acid
CAX54

(R)-3-((3R,7S,8R,9S,10S,13R,14S,17R)-3,7-Dihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)butanenitrile (3a,5�,7�)-3,7-Dihydroxy-24-norcholane-23-nitrile
CAS:118316-12-4
Ursodeoxycholic Acid RC 3
UDC53

(R)-3-((3R,7S,8R,9S,10S,13R,14S,17R)-3,7-Dihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)butanoic acid
CAS:99697-24-2
Ursodeoxycholic Acid RC 9
UDC59

(R)-3-((R)-1-(3-(Dibenzylamino)phenyl)propyl)-4-hydroxy-6-phenethyl-6-(prop-1-ynyl)-5,6-dihydropyran-2-one
CAS:188559-25-3
Tipranavir RC 2
TNV62

(R)-3-(1-(1-Acryloylpiperidin-3-yl)-4-imino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)propanoic Acid
Ibrutinib N-Carboxyethyl Imine Impurity
IBT94

(R)-3-(1-(3-(Trifluoromethoxy)benzyl)piperidin-4-yl)-4-phenyl-3,4-dihydroquinazolin-2(1H)-one
Afacifenacin (R)-Isomer
AXF50

(R)-3-(1-(DIMETHYLAMINO)ETHYL)PHENOL
CAS:851086-95-8
Rivastigmine RC 6
RVS66

(R)-3-(2,4-Difluorophenyl)-3-hydroxy-4-(1H-1,2,4-triazol-1-yl)butan-2-one
Efinaconazole RC 6
EFC66

(R)-3-(2-(4-Benzhydrylpiperazin-1-yl)ethyl) 5-methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
CAS:133082-19-6
Manidipine (R)-Isomer (Base)
MDP51B

(R)-3-(2-(4-Benzhydrylpiperazin-1-yl)ethyl) 5-methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate HCl
Manidipine (R)-Isomer (HCl)
MDP51H

(R)-3-(2-Hydroxy-5-methylphenyl)-3-phenylpropanoic acid sodium salt
Tolterodine Propanoic Acid R-Isomer Sodium Salt
TTR31N

(R)-3-(2-Methylphenoxy)-3-phenylpropan-1-amine
CAS:435293-68-8
Atomoxetine N-Desmethyl (Base) N-Desmethyl Atomox
ATM41B

(R)-3-(2-Methylphenoxy)-3-phenylpropan-1-amine hydrochloride
Atomoxetine N-Desmethyl (HCl) N-Desmethyl Atomoxe
ATM41H

(R)-3-(3,4-Dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoic acid
CAS:28875-92-5
Carbidopa RC 8
CBD68

(R)-3-(3-(4-AMINO-3-(4-PHENOXYPHENYL)-1H-PYRAZOLO[3,4-D]PYRIMIDIN-1-YL)PIPERIDIN-1-YL)-3-OXOPROPYL ACRYLATE
Ibrutinib Impurity 11 N-Desacryloyl N-(3-Acryloyl
IBT61

(R)-3-(4-(2-Hydroxy-3-(isopropylamino)propoxy)phenyl)propanoic acid
CAS:910651-37-5
Esmolol Acid (R)-Isomer
ESZ52

(R)-3-(4-(5-Bromo-2-chlorobenzyl)phenoxy)-tetrahydrofuran
CAS:915095-90-8
Empagliflozin Bromo R-Isomer
EGF54

(R)-3-(4-AMINO-1-OXOISOINDOLIN-2-YL)PIPERIDINE-2,6-DIONE
CAS:874946-00-6
Lenalidomide (R)-Isomer
LLM40

(R)-3-(4-BROMO-3-FLUOROPHENYL)-5-(HYDROXYMETHYL)OXAZOLIDIN-2-ONE
CAS:1369530-77-7
Tedizolid Impurity 38
TDZ38

(R)-3-(4-BROMO-3-FLUOROPHENYL)-5-(HYDROXYMETHYL)OXAZOLIDIN-2-ONE
CAS:444335-16-4
Tedizolid Impurity 9
TDZ59

(R)-3-(4-Chlorophenyl)-4-hydroxybutanoic acid
CAS:1329793-67-0
Baclofen RC 3 (Acid)
BCF63A

(R)-3-(4-PHENOXYPHENYL)-1-(PIPERIDIN-3-YL)-1H-PYRAZOLO[3,4-D]PYRIMIDIN-4-AMINE
CAS:1022150-12-4
Ibrutinib N-Desacryloyl Impurity (Base) Ibrutinib
IBT96B

(R)-3-(4-PHENOXYPHENYL)-1-(PIPERIDIN-3-YL)-1H-PYRAZOLO[3,4-D]PYRIMIDIN-4-AMINE DIHYDROCHLORIDE
CAS:1701403-10-2
Ibrutinib N-Desacryloyl Impurity (2HCl) Ibrutinib
IBT96H

(R)-3-(7-((2,4-Difluorobenzyl)carbamoyl)-9-hydroxy-1,8-dioxo-1H-pyrido[1,2-a]pyrazin-2(8H)-yl)butyl 2,4-difluorobenzylcarbamate
CAS:2244161-73-5
Dolutegravir IP Impurity K Dolutegravir Dibenzyl
DGV91

(R)-3-(7-((2,4-DIFLUOROBENZYL)CARBAMOYL)-9-HYDROXY-1,8-DIOXO-3,4-DIHYDRO-1H-PYRIDO[1,2-A]PYRAZIN-2(8H)-YL)BUTYL 2,4-DIFLUOROBENZYLCARBAMATE
Dolutegravir Dibenzyl Dihydro Impurity Dolutegrav
DGV58

(R)-3-(7-(Aminomethyl)-5-(2-(2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethylamino)propyl)indolin-1-yl)propan-1-ol
Silodosin 7-Aminomethyl
SLD64

(R)-3-(7-Carbamoyl-5-(2-(2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethylamino) propyl)indolin-1-yl)propanoic acid
CAS:1357252-79-9
Silodosin Carboxylic Acid Impurity
SLD51

(R)-3-(ACETYLTHIO)-2-AMINOPROPANOIC ACID
CAS:15312-11-5
Acetylcysteine RC 5
ACC55

(R)-3-(Aminomethyl)-5-methylhex-4-enoic acid
CAS:1101167-84-3
Pregabalin 4,5-Dehydro (R)-Isomer
PRG52

(R)-3-(Aminomethyl)-5-methylhex-5-enoic acid
Pregabalin 5,6-Dehydro (R)-Isomer (R)-5,6-Dehydro
PRG57

(R)-3-(BOC-AMINO)PIPERIDINE
CAS:309956-78-3
Linagliptin RC 1
LGT71

(R)-3-(METHYLAMINO)-1-(THIOPHEN-2-YL)PROPAN-1-OL
CAS:116539-57-2
Duloxetine Impurity 11
DLX71B

(R)-3-(Naphthalen-1-yloxy)-1-phenylpropan-1-amine
CAS:1329834-62-9
Dapoxetine RC 6 Dapoxetine (R)-Isomer N-Didemthyl
DXE66

(R)-3-(NAPHTHALEN-1-YLOXY)-1-PHENYLPROPAN-1-OL
CAS:156453-53-1
Dapoxetine RC 10
DXE70

(R)-3-(TERT-BUTOXYCARBONYL)-4-(2,4,5-TRIFLUOROPHENYL)BUTANOIC ACID
CAS:486460-00-8
Sitagliptin N-BOC Carboxylic Acid
SGT59

(R)-3-[3-[[(3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl]methylamino] propyl]-1,3,4,5-tetrahydro-7,8-dimethoxy-2H-3-benzazepin-2-one hydrochloride
CAS:148849-68-7
Ivabradine R-Isomer HCl Ivabradine Enantiomer HCl
IVB60H

(R)-3-AMINO-1-(3-(TRIFLUOROMETHYL)-5,6-DIHYDRO-[1,2,4]TRIAZOLO[4,3-A]PYRAZIN-7(8H)-YL)-4-(2,3,6-TRIFLUOROPHENYL)BUTAN-1-ONE
Sitagliptin 2,3,6-Trifluorophenyl Analog 4-Desflu
SGT57B

(R)-3-AMINO-HEXAHYDROAZEPINE
CAS:124932-43-0
Besifloxacin (R)-Azepan-3-Amine Impurity Besiflox
BSF57

(R)-3-AMINO-N-((R)-4-OXO-4-(3-(TRIFLUOROMETHYL)-5,6-DIHYDRO-[1,2,4]TRIAZOLO[4,3-A]PYRAZIN-7(8H)-YL)-1-(2,4,5-TRIFLUOROPHENYL)BUTAN-2-YL)-4-(2,4,5-TRIFLUOROPHENYL)BUTANAMIDE
CAS:2072867-07-1
Sitagliptin Dimer
SGT50B

(R)-3-CHLORO-1-PHENYL-1-(2-METHYLPHENOXY)PROPANE
CAS:114446-47-8
Atomoxetine Chloro Impurity
ATM43

(R)-3-Hydroxyquinuclidine (R)-(-)-1-Azabicyclo[2.2.2]octan-3-ol
CAS:25333-42-0
Solifenacin EP Impurity E (Base) Solifenacin (R)-
SLF05B

(R)-3-MERCAPTO-2-PROPIONAMIDOPROPANOIC ACID
CAS:2885-79-2
Acetylcysteine RC 4
ACC54

(R)-3-METHYL-4-(3-(METHYLAMINO)-1-PHENYLPROPOXY)PHENOL
CAS:540729-12-2
Atomoxetine 4-Hydroxy 2-Methyl Impurity
ATM53

(R)-4,6-Dihydroxy-3-(3-oxo-1-phenylbutyl)-2H-chromen-2-one
CAS:63740-75-0
Warfarin RC10 (R)-6-Hydroxy Warfarin
WFR70

(R)-4,7-Dihydroxy-3-(3-oxo-1-phenylbutyl)-2H-chromen-2-one
CAS:63740-76-1
Warfarin RC16
WFR76

(R)-4,8-Dihydroxy-3-(3-oxo-1-phenylbutyl)-2H-chromen-2-one
CAS:63740-77-2
Warfarin RC20
WFR80

(R)-4-((1R,3R,5R,8R,9S,10S,12S,13R,14S,17R)-1,3,12-Trihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
CAS:80434-32-8
Deoxycholic Acid (1R)-Hydroxy Impurity 1�-Hydroxy
DCD51

(R)-4-((1R,3S,5R,8S,9S,10S,13R,14S,17R)-1,3-Dihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
CAS:89238-74-4
Lithocholic Acid RC 6
LCX66

(R)-4-((1R,3S,7S,8S,9S,10S,13R,14S,17R)-1,3,7-Trihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
CAS:108179-87-9
Ursodeoxycholic Acid RC 14
UDC64

(R)-4-((3R,5R,6R,8S,9S,10R,13R,14S,17R)-3,6-Dihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
CAS:668-49-5
Lithocholic Acid RC 5
LCX65

(R)-4-((3R,5R,6S,8S,9S,10R,13R,14S,17R)-3,6-Dihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
CAS:2393-61-5
Lithocholic Acid RC 4
LCX64

(R)-4-((3R,5R,7S,8S,9S,10R,13R,14S,17R,Z)-6-Ethylidene-3,7-dihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid (3a,5�,6Z,7a)-6-Ethylidene-3,7-dihydroxy-cholan-24-oic acid
CAS:1885104-64-2
Obeticholic Acid 6-Ethylidene
OBT53

(R)-4-((3R,5R,8R,9S,10S,12S,13R,14S,17R)-12-hydroxy-10,13-dimethyl-3-(sulfonatooxy)-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate disodium salt
CAS:60237-35-6
Deoxycholic Acid 3-O-Sulfate Disodium Salt
DCD53N

(R)-4-((3R,5R,8R,9S,10S,12S,13R,14S,17R)-12-hydroxy-10,13-dimethyl-3-(sulfonatooxy)-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
CAS:67030-48-2
Deoxycholic Acid 3-O-Sulfate (Acid) 3-Sulfodeoxyc
DCD53A

(R)-4-((3R,5R,8R,9S,10S,12S,13R,14S,17R)-3,12-Dihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
CAS:83-44-3
Deoxycholic Acid Desoxycholic Acid (USP) Chenode
DCD00

(R)-4-((3R,5R,8R,9S,10S,12S,13R,14S,17R)-3,12-Dihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid ethyl ester
CAS:69519-35-3
Deoxycholic Acid Ethyl Ester Ethyl Desoxycholate
DCD52

(R)-4-((3R,5R,8R,9S,10S,12S,13R,14S,17R)-3,12-Dihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid methyl ester
CAS:3245-38-3
Deoxycholic Acid Methyl Ester Methyl Desoxycholat
DCD50

(R)-4-((3R,5R,8R,9S,10S,12S,13R,14S,17R)-3,12-Dihydroxy-7-oxo-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
CAS:911-40-0
Deoxycholic Acid 7-Oxo Impurity 7-Ketodeoxycholic
DCD57

(R)-4-((3R,5R,8R,9S,10S,12S,13R,14S,17R)-3,12-Dihydroxy-7-oxo-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid methyl ester
Deoxycholic Acid 7-Oxo Methyl Ester 7-Ketodeoxych
DCD58

(R)-4-((3R,5R,8R,9S,10S,13R,14S,17R)-3-Hydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
CAS:434-13-9
Lithocholic Acid Ursodeoxycholic Acid EP Impurity
LCX00

(R)-4-((3R,5R,8S,9S,10R,13R,14S,17R,Z)-6-Ethylidene-3-hydroxy-10,13-dimethyl-7-oxo-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
CAS:915038-24-3
Obeticholic Acid Impurity 1
OBT61

(R)-4-((3R,5S,6R,7R,8S,9S,10S,13R,14S,17R)-6-ETHYL-3,7-DIHYDROXY-10,13-DIMETHYL-HEXADECAHYDRO-1H-CYCLOPENTA[A]PHENANTHREN-17-YL)PENTANOIC ACID
CAS:459789-99-2
Obeticholic Acid
OBT00

(R)-4-((3R,5S,6R,7S,8S,9S,10S,13R,14S,17R)-6-Ethyl-3,7-dihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
CAS:865244-30-0
Obeticholic Acid Impurity 2
OBT62

(R)-4-((3R,5S,6S,8S,9S,10S,13R,14S,17R)-6-Ethyl-3,7-dihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid (3a,5�,6�,7a)-6-Ethyl-3,7-dihydroxycholan-24-oic Acid (3a,5�,6�,7a)-6-Ethyl-3,7-dihydroxy-cholan-24-oic acid
CAS:915038-27-6
Obeticholic Acid 6-Epimer
OBT52

(R)-4-((3R,5S,6S,8S,9S,10S,13R,14S,17R)-6-Ethyl-3-hydroxy-10,13-dimethyl-7-oxo-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
CAS:915038-25-4
Obeticholic Acid 6�-Ethyl 7-Keto
OBT54

(R)-4-((3R,5S,7R,10S,12S,13R,14S,17R)-3,7,12-Trihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
CAS:81-25-4
Cholic acid
CAX00

(R)-4-((3R,5S,8R,9S,10S,13R,14S,17R)-3-Hydroxy-10,13-dimethyl-7,12-dioxo-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
CAS:517-33-9
Lithocholic Acid RC 2
LCX62

(R)-4-((3R,6S,7S,8S,9S,10S,13R,14S,17R)-6-Ethyl-3,7-dihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
CAS:1708092-13-0
Ursodeoxycholic Acid RC 5
UDC55

(R)-4-((3R,7S,8R,9S,10S,13R,14S,17R)-3,7-Dihydroxy-10,13-dimethyl-12-oxo-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
CAS:81873-91-8
Ursodeoxycholic Acid RC 8 Ursodeoxycholic Acid 12
UDC58

(R)-4-((3S,5R,7R,8R,9S,10S,12S,13R,14S,17R)-3,7,12-Trihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
CAS:15073-87-7
Cholic Acid 3�,5a-Isomer
CAX50

(R)-4-((3S,5R,8R,9S,10S,13R,14S,17R)-3-Hydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
CAS:1534-35-6
Lithocholic Acid RC 7
LCX67

(R)-4-((3S,5S,7R,8R,9S,10S,12S,13R,14S,17R)-3,7,12-Trihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
CAS:3338-16-7
Cholic Acid 3�-Hydroxy
CAX52

(R)-4-((3S,8S,9S,10R,13R,14S,17R)-3-Hydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
CAS:5255-17-4
Lithocholic Acid RC 3
LCX63

(R)-4-((4-Chlorophenyl)(phenyl)methoxy)-4-oxobutanoic acid
Levocloperastine CBZS (R)-Isomer (R)-4-Chlorobenz
LCP55R

(R)-4-((5R,8R,9S,10S,13R,14S,17R)-10,13-Dimethyl-3-oxo-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid
CAS:1553-56-6
Lithocholic Acid RC 13
LCX73

(R)-4-((R)-(3-(2-(Dimethylamino)ethyl)-1H-indol-5-yl)(hydroxy)methyl)oxazolidin-2-one
Zolmitriptan Impurity 7
ZMT67B

(R)-4-((R)-3-Amino-4-(2,4,5-trifluorophenyl)butanoyl)-3-(tert-butoxymethyl)piperazin-2-one tartrate
CAS:1222102-51-3
Evogliptin Tartrate (RR)-Evogliptin Tartrate
EVG00T

(R)-4-((R)-3-Amino-4-(2,5-difluorophenyl)butanoyl)-3-(tert-butoxymethyl)piperazin-2-one L-tartrate
Evogliptin 2,5-Difluorophenyl Tartrate
EVG54T

(R)-4-((S)-3-Amino-4-(2,4,5-trifluorophenyl)butanoyl)-3-(tert-butoxymethyl)piperazin-2-one tartrate
Evogliptin (RS)-Isomer Tartrate
EVG51T

(R)-4-({3-[2-(Dimethylamino)ethyl]indol-5-yl}methyl)oxazolidin-2-one
CAS:139264-24-7
Zolmitriptan EP Impurity A Zolmitriptan R-Isomer
ZMT01B

(R)-4-(1-(3-(2-Cyano-5-fluorobenzyl)-1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)piperidin-3-ylamino)-4-oxobutanoic acid
Trelagliptin RC 13
TLG73

(R)-4-(1-HYDROXY-2-(METHYLAMINO)ETHYL)BENZENE-1,2-DIOL
CAS:51-43-4
Noradrenaline EP Impurity A (Base) Adrenaline L-
NRD01B

(R)-4-(1-Hydroxy-2-(methylamino)ethyl)benzene-1,2-diol tartrate salt
CAS:51-42-3
Noradrenaline EP Impurity A (Tartrate) Adrenaline
NRD01T

(R)-4-(2-(3-(2-Fluoro-6-(trifluoromethyl)benzyl)-5-(2-fluoro-3-methoxyphenyl)-4-methyl-2,6-dioxo-2,3-dihydropyrimidin-1(6H)-yl)-1-phenylethylamino)butanoic acid
CAS:834153-87-6
Elagolix (Acid)
EGX00A

(R)-4-(2-(6-(2-(2,6-Dichlorobenzyloxy)ethoxy)hexylamino)-1-hydroxyethyl)-2-(hydroxymethyl)phenol
CAS:503068-34-6
Vilanterol (Base)
VLT00B

(R)-4-(2-(6-(2-(2,6-Dichlorobenzyloxy)ethoxy)hexylamino)-1-hydroxyethyl)-2-(hydroxymethyl)phenol 2,2,2-triphenylacetic acid salt
CAS:503070-58-4
Vilanterol (Trifenatate)
VLT00T

(R)-4-(2-(6-(2-(2,6-Dichlorobenzyloxy)ethoxy)hexylamino)-1-hydroxyethyl)-2-(hydroxymethyl)phenol acetate
CAS:503068-35-7
Vilanterol (Acetate)
VLT00A

(R)-4-(2-(TERT-BUTYLAMINO)-1-HYDROXYETHYL)-2-(HYDROXYMETHYL)PHENOL
CAS:34391-04-3
Levalbuterol (Base) (R)-Albuterol (R)-Salbutamol
LAB00B

(R)-4-(2-(TERT-BUTYLAMINO)-1-HYDROXYETHYL)-2-(HYDROXYMETHYL)PHENOL HYDROCHLORIDE
CAS:50293-90-8
Salbutamol (R)-Isomer HCl (R)-Salbutamol HCl Lev
SAB50H

(R)-4-(2-(TERT-BUTYLAMINO)-1-HYDROXYETHYL)-2-(HYDROXYMETHYL)PHENOL HYDROCHLORIDE
CAS:50293-90-8
Levalbuterol (HCl) (R)-Albuterol HCl (R)-Salbuta
LAB00H

(R)-4-(2-(tert-Butylamino)-1-hydroxyethyl)-2-(hydroxymethyl)phenol sulfate
CAS:148563-16-0
Levalbuterol (Sulfate) (R)-Albuterol Sulfate (R)
LAB00S

(R)-4-(2-AMINO-1-HYDROXYETHYL)BENZENE-1,2-DIOL
CAS:51-41-2
Noradrenaline (Base) R-Noradrenaline L-Norepinep
NRD00B

(R)-4-(2-AMINO-1-HYDROXYETHYL)BENZENE-1,2-DIOL HYDROCHLORIDE
CAS:329-56-6
Noradrenaline (HCl) R-Noradrenaline HCl L-Norepi
NRD00H

(R)-4-(2-Amino-1-hydroxyethyl)benzene-1,2-diol tartrate
CAS:51-40-1
Noradrenaline (Tartrate) R-Noradrenaline Tartrate
NRD00A

(R)-4-(2-Amino-1-hydroxyethyl)benzene-1,2-diol tartrate monohydrate
CAS:108341-18-0
Noradrenaline (Tartrate Monohydrate) R-Noradrenal
NRD00T

(R)-4-(2-AMINO-1-METHOXYETHYL)BENZENE-1,2-DIOL
CAS:1932110-67-2
Noradrenaline EP Impurity D (Base) Noradrenaline
NRD04B

(R)-4-(2-Amino-1-methoxyethyl)benzene-1,2-diol hydrochloride
Noradrenaline EP Impurity D (HCl) Noradrenaline M
NRD04H

(R)-4-(2-AMINOPROPYL)PHENOL
CAS:1518-89-4
Selegiline RC 1
SLG61B

(R)-4-(3-(4-AMINO-3-(4-PHENOXYPHENYL)-1H-PYRAZOLO[3,4-D]PYRIMIDIN-1-YL)PIPERIDINE-1-CARBONYL)PENT-4-ENOIC ACID
Ibrutinib Impurity 12
IBT62

(R)-4-(4-((4-CHLOROPHENYL)(PYRIDIN-2-YL)METHOXY)PIPERIDIN-1-YL)BUTANOIC ACID
CAS:190730-41-7
Bepotastine (R)-Isomer (R)-Bepotastine
BPT52B

(R)-4-(4-((4-Chlorophenyl)(pyridin-2-yl)methoxy)piperidin-1-yl)butanoic acid benzenesulfonate
CAS:190730-42-8
Bepotastine (R)-Isomer Besylate (R)-Bepotastine P
BPT52P

(R)-4-(4-(3-Chloro-2-hydroxypropylamino)phenyl)morpholin-3-one
CAS:1252018-10-2
Rivaroxaban Impurity 11
RVR71

(R)-4-(4-(5-(AMINOMETHYL)-2-OXOOXAZOLIDIN-3-YL)PHENYL)MORPHOLIN-3-ONE
CAS:1411775-06-8
Rivaroxaban Impurity 5 (Base) Rivaroxaban Aminome
RVR65B

(R)-4-(4-(5-(Aminomethyl)-2-oxooxazolidin-3-yl)phenyl)morpholin-3-one HCl
CAS:1429311-47-6
Rivaroxaban Impurity 5 (HCl) Rivaroxaban HCl Amin
RVR65H

(R)-4-(4-(5-(HYDROXYMETHYL)-2-OXOOXAZOLIDIN-3-YL)PHENYL)MORPHOLIN-3-ONE
Rivaroxaban Impurity 29
RVR89

(R)-4-(4-AMINOBENZYL)OXAZOLIDIN-2-ONE
CAS:262857-90-9
Zolmitriptan Impurity 4 (Base)
ZMT64B

(R)-4-(4-Aminobenzyl)oxazolidin-2-one hydrochloride
CAS:139264-67-8
Zolmitriptan Impurity 4 (HCl)
ZMT64H

(R)-4-(Chloromethyl)-2,2-dimethyl-1,3-dioxolane '
CAS:57044-24-3
Ketoconazole Impurity 3
KCZ63

(R)-4-(Ethylamino)-3,4-dihydro-2-(3-hydroxypropyl)-2H-thieno[3,2-e]-1,2-thiazine-6-sulfonamide 1,1-Dioxide
CAS:186377-56-0
Brinzolamide O-Desmethyl Impurity
BRZ51

(R)-4-(Ethylamino)-3,4-dihydro-2-(3-methoxypropyl)-2H-thieno[3,2-e]-1,2-thiazine-6-sulfonamide 1,1-dioxide
CAS:138890-62-7
Brinzolamide
BRZ00B

(R)-4-(Ethylamino)-3,4-dihydro-2-(3-methoxypropyl)-2H-thieno[3,2-e]-1,2-thiazine-6-sulfonamide 1,1-dioxide HCl
CAS:150937-43-2
Brinzolamide HCl
BRZ00H

(R)-4-(N-ethylmethan-6-ylsulfonamido)-2-(3-methoxypropyl)-3,4-dihydro-2H-thieno[3,2-e][1,2]thiazine-6-sulfonamide 1,1-Dioxide
Brinzolamide Methanesulfonyl Amide
BRZ50

(R)-4-[(4-Chlorophenyl)methyl]-2-(hexahydro-1-methyl-1-oxido-1H-azepin-4-yl)-1(2H)-phthalazinone
CAS:1346617-18-2
Azelastine N-Oxide (R)-Isomer
AZN51

(R)-4-[1-(2,3-Dimethylphenyl)ethyl]-1H-imidazole
CAS:119717-21-4
Medetomidine (R)-Isomer (Base) Levomedetomidine
MDT50B

(R)-4-[1-(2,3-DIMETHYLPHENYL)ETHYL]-1H-IMIDAZOLE HCL
CAS:190000-46-5
Medetomidine (R)-Isomer (HCl) Levomedetomidine HC
MDT50H

(R)-4-[2-(Dimethylamino)-1-(1-hydroxycyclohexyl) ethyl]phenol
CAS:142761-11-3
Desvenlafaxine R-Isomer Venlafaxine O-Desmethyl R
DVL45B

(R)-4-{(R)-3-(Ethylamino)-4-(2,4,5-trifluorophenyl)butanoyl}-3-(tbutoxymethyl)piperazin-2-one L-tartrate
Evogliptin 3-Ethylamino Tartrate
EVG56T

(R)-4-{(R)-3-amino-4-(3,4-difluorophenyl)butanoyl}-3-(tbutoxymethyl)piperazin-2-one L-tartrate
Evogliptin 3,4-Difluorophenyl Tartrate
EVG55T

(R)-4-amino-2-(2,6-dioxopiperidin-3-yl)isoindoline-1,3-dione
CAS:202271-90-7
Pomalidomide (R)-Isomer
PLD60B

(R)-4-AMINO-3-(4-CHLOROPHENYL)BUTANOIC ACID
CAS:69308-37-8
Baclofen (R)-Isomer (Base)
BCF51B

(R)-4-Amino-3-(4-chlorophenyl)butanoic acid hydrochloride
CAS:63701-55-3
Baclofen (R)-Isomer (HCl)
BCF51H

(R)-4-Amino-N-((1-ethylpyrrolidin-2-yl)methyl)-5-(ethylsulfonyl)-2-methoxybenzamide
CAS:71675-90-6
Amisulpride (R)-Isomer
ASD40

(R)-4-Ethyl-4-hydroxy-1H-pyrano[3',4'6,7]indolizino[1,2-b]quinoline-3,14 (4H,12H)-dione
CAS:110351-92-3
Camptothecin R-Isomer
CPT50

(R)-4-FLUORO-2-((3-METHYL-2,4-DIOXO-6-(PIPERIDIN-3-YLAMINO)-3,4-DIHYDROPYRIMIDIN-1(2H)-YL)METHYL)BENZONITRILE
CAS:1812193-01-3
Trelagliptin RC 2
TLG62

(R)-4-Fluoro-2-((3-methyl-6-(3-(1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-ylamino)piperidin-1-yl)-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl)benzonitrile
Trelagliptin RC 15
TLG75

(R)-4-Hydroxy-3,4-dihydro-2-(3-methoxypropyl)-2H-thieno[3,2-e]-1,2-thiazine-6-sulfonamide 1,1-Dioxide
CAS:165117-54-4
Brinzolamide (4R)-Hydroxy Analog
BRZ52

(R)-4-Hydroxy-3-(1-(3-hydroxyphenyl)-3-oxobutyl)-2H-chromen-2-one
CAS:124997-75-7
Warfarin RC2
WFR62

(R)-4-Hydroxy-3-(1-(4-hydroxyphenyl)-3-oxobutyl)-2H-chromen-2-one
CAS:63740-78-3
Warfarin RC5
WFR65

(R)-4-Hydroxy-3-[1-(4-nitrophenyl)-3-oxobutyl]-2H-1-benzopyran-2-one
CAS:66556-77-2
Acenocoumarol (R)-Isomer
ARX50

(R)-4-Methyl-N-((R)-1-((R)-4-methyl-1-((S)-2-methyloxiran-2-yl)-1-oxopentan-2-ylamino)-1-oxo-3-phenylpropan-2-yl)-2-((R)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide
Carfilzomib Enantiomer
CZM72

(R)-4-Oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-ylsulfamic acid
CAS:940002-57-3
Sitagliptin N-Sulfate (Acid)
SGT55A

(R)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-amine
CAS:486460-32-6
Sitagliptin (Base)
SGT00B

(R)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-amine HCl
CAS:486459-71-6
Sitagliptin (HCl Anhydrous)
SGT00H

(R)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-amine HCl monohydrate
CAS:862156-92-1
Sitagliptin (HCl Monohydrate)
SGT00X

(R)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-amine phosphate
CAS:654671-78-0
Sitagliptin Phosphate (Anhydrous)
SGT00Q

(R)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-amine phosphate monohydrate
CAS:654671-77-9
Sitagliptin Phosphate (Monohydrate)
SGT00P

(R)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4-difluorophenyl)butan-2-amine
CAS:945261-48-3
Sitagliptin EP Impurity C (Base) Sitagliptin 5-De
SGT03B

(R)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4-difluorophenyl)butan-2-amine phosphate salt
CAS:1345822-86-7
Sitagliptin EP Impurity C (Phosphate) Sitagliptin
SGT03P

(R)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,5-difluorophenyl)butan-2-amine
CAS:486460-31-5
Sitagliptin EP Impurity B (Base) 4-Desfluoro Sita
SGT02B

(R)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,5-difluorophenyl)butan-2-amine phosphate salt
CAS:1345822-87-8
Sitagliptin EP Impurity B (Phosphate) 4-Desfluoro
SGT02P

(R)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(4,5-difluorophenyl)butan-2-amine
CAS:486459-88-5
Sitagliptin 2-Desfluoro Impurity
SGT52B

(R)-4-OXO-4-[3-(TRIFLUOROMETHYL)-5,6-DIHYDRO[1,2,4]TRIAZOLO[4,3-A]PYRAZIN-7(8H)-YL]-1-PHENYLBUTAN-2-AMINE
Sitagliptin Desfluorobenzene Analog
SGT53B

(R)-5,7-DIFLUOROCHROMAN-4-OL
CAS:1270294-05-7
Tegoprazan RC 2
TGP62

(R)-5,7-Dihydroxy-2-(4-hydroxyphenyl)-2,3-dihydrochromen-4-one
CAS:17654-19-2
Naringenin (R)-Isomer
NGX50

(R)-5-(2-((2-(2-(2,2,2-Trifluoroethoxy)phenoxy)ethyl)amino)propyl)indoline-7-carboxamide
Silodosin Deshydroxypropyl Impurity
SLD53

(R)-5-(2-((2-(2-ETHOXYPHENOXY)ETHYL)(METHYL)AMINO)PROPYL)-2-METHOXYBENZENESULFONAMIDE
Tamsulosin N-Methyl
TMS51

(R)-5-(2-(2,5-DIFLUOROPHENYL)PYRROLIDIN-1-YL)-3-NITROPYRAZOLO[1,5-A]PYRIMIDINE
CAS:1223404-90-7
Larotrectinib DFP-PNPP Impurity
LTT52

(R)-5-(2-(2,5-DIFLUOROPHENYL)PYRROLIDIN-1-YL)PYRAZOLO[1,5-A]PYRIMIDIN-3-AMINE
CAS:1223404-88-3
Larotrectinib DFP-PPPA Impurity
LTT54

(R)-5-(2-(2,5-DIFLUOROPHENYL)PYRROLIDIN-1-YL)PYRAZOLO[1,5-A]PYRIMIDINE
CAS:1223404-89-4
Larotrectinib DFP-PPP Impurity
LTT53

(R)-5-(2-(2-(2-(2,2,2-Trifluoroethoxy)phenoxy)ethylamino)propyl)-1H-indole-7-carboxamide
Silodosin 1,2-Dehydro Dehydroxypropyl
SLD63

(R)-5-(2-(Benzyl(2-(2-ethoxyphenoxy)ethyl)amino)propyl)-2-methoxybenzenesulfonamide
CAS:1027854-97-2
Tamsulosin RC 6 N- Benzyl Tamsulosin
TMS66

(R)-5-(3-(tert-Butylamino)-2-hydroxypropoxy)-3,4-dihydronaphthalen-1(2H)-one
CAS:47141-41-3
Levobunolol RC 4 (Base)
LBN64B

(R)-5-(3-(tert-Butylamino)-2-hydroxypropoxy)-3,4-dihydronaphthalen-1(2H)-one hydrochloride
CAS:27867-05-6
Levobunolol RC 4 (HCl) R-Bunolol HCl
LBN64H

(R)-5-(CHLOROMETHYL)-3-(3-FLUORO-4-MORPHOLINOPHENYL)OXAZOLIDIN-2-ONE
CAS:496031-57-3
Linezolid RC 7 Linezolid Impurity B
LNZ67

(R)-5-(OXIRAN-2-YLMETHOXY)-3,4-DIHYDRONAPHTHALEN-1(2H)-ONE
Levobunolol RC 5
LBN65

(R)-5-[(1-Methylindol-3-yl)carbonyl]-4,5,6,7-tetrahydrobenzimidazole
CAS:132036-88-5
Ramosetron (Base)
RMS00B

(R)-5-[(1-Methylindol-3-yl)carbonyl]-4,5,6,7-tetrahydrobenzimidazole HCl
CAS:132907-72-3
Ramosetron HCl
RMS00H

(R)-5-BROMO-3-((1-METHYLPYRROLIDIN-2-YL)METHYL)-1H-INDOLE
CAS:143322-57-0
Eletriptan Impurity B Eletriptan USP RC B
ETT62B

(R)-5-Hydroxy-2-(3-(methylamino)-1-phenylpropoxy)benzoic acid
CAS:578727-55-6
Atomoxetine 4-Hydroxy 2-Carboxy Impurity
ATM52

(R)-6-((R)-(2-Ethoxyphenoxy)(phenyl)methyl)morpholin-3-one
CAS:98769-79-0
Reboxetine RC 3
RBX63

(R)-6-(3-Aminopiperidin-1-yl)-3-methylpyrimidine-2,4(1H,3H)-dione HCl
Alogliptin N-Descyanobenzyl Impurity
ALG55H

(R)-6-(Dimethylamino)-6,7,8,9-tetrahydro-5H-carbazole-3-carboxamide
Frovatriptan N6-Methyl Impurity Frovatriptan Impu
FTT57

(R)-6-(Methylamino)-6,7,8,9-tetrahydro-5H-carbazole-3-carboxamide butanedioic acid monohydrate
CAS:158930-17-7
Frovatriptan Succinate Monohydrate
FTT00S

(R)-6-(Methylamino)-6,7,8,9-tetrahydro-5H-carbazole-3-carboxylic acid hydrochloride
Frovatriptan Carboxylic Acid Frovatriptan Impurit
FTT59H

(R)-6-Amino-6,7,8,9-tetrahydro-5H-carbazole-3-carboxamide
CAS:146993-12-6
Frovatriptan USP RC A N-Desmethyl Frovatriptan
FTT21

(R)-6-Chloro-4-(cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one
CAS:154801-74-8
Efavirenz Enantiomer (R)-Efavirenz
EFV70

(R)-6-Chloro-4-methyl-3-oxo-N-(quinuclidin-3-yl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-8-carboxamide
CAS:2025360-90-9
Azasetron (R)-Isomer
AZR50B

(R)-6-Fluoro-2-[(R)-oxiran-2-yl]chroman
Nebivolol USP RC C (RR)-Isomer
NBV23R

(R)-6-Fluoro-2-[(S)-oxiran-2-yl]chroman
Nebivolol USP RC D (RS)-Isomer
NBV24R

(R)-7-((5,7-Difluorochroman-4-yl)oxy)-N,N,2-trimethyl-1H-benzo[d]imidazole-5-carboxamide
CAS:942195-56-4
Tegoprazan R-Isomer
TGP50

(R)-7-(2-(4-FLUOROPHENYL)-5-ISOPROPYL-3-PHENYL-4-(PHENYLCARBAMOYL)-1H-PYRROL-1-YL)-5-HYDROXY-3-OXOHEPTANOIC ACID
CAS:887196-30-7
Atorvastatin Impurity 9
ATVX9

(R)-7-(2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-5-hydroxyheptanoic acid
CAS:887196-26-1
Atorvastatin Impurity 5
ATVX5

(R)-7-(3-Amino-4-(2,4,5-trifluorophenyl)butanoyl)-3-(trifluoromethyl)-6,7-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-8(5H)-one
Sitagliptin Oxo Impurity
SGT60

(R)-7-(3-Aminohexahydro-1H-azepin-1-yl)-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid
CAS:141388-69-4
Besifloxacin 8-Dechloro Impurity
BSF58

(R)-7-(Azepan-3-ylamino)-8-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid hydrochloride
CAS:1613314-38-7
Besifloxacin Impurity F
BSF56H

(R)-7-Bromo-6-chloro-3-(2-oxo-3-(piperidin-2-yl)propyl)quinazolin-4(3H)-one
CAS:1819989-17-7
Halofuginone RC 7 (Base)
HLF67B

(R)-7-Bromo-6-chloro-3-(2-oxo-3-(piperidin-2-yl)propyl)quinazolin-4(3H)-one dihydrobromide
CAS:1819989-18-8
Halofuginone RC 7 (2HBr)
HLF67X

(R)-8-(1-ACRYLOYLPIPERIDIN-3-YL)-10-(4-PHENOXYPHENYL)-3,4-DIHYDROPYRAZOLO[4,3-E]PYRIMIDO[1,2-C]PYRIMIDIN-2(8H)-ONE
CAS:1917333-91-5
Ibrutinib Impurity 22
IBT72

(R)-8-(3-Aminopiperidin-1-yl)-7-(3-bromobut-2-enyl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-dione
Linagliptin RC 12
LGT82

(R)-8-(BENZYLOXY)-5-(2-(5,6-DIETHYL-2,3-DIHYDRO-1H-INDEN-2-YLAMINO)-1-HYDROXYETHYL)QUINOLIN-2(1H)-ONE
CAS:435273-75-9
Indacaterol RC 2
IDC62B

(R)-9-(2-PHOSPHONOMETHOXYPROPYL)ADENINE
CAS:147127-20-6
Tenofovir (Base) (R)-Tenofovir
TNF41B

(R)-9-[(1,4'-Bipiperidine)-1'-carbonyloxy]-4,11-diethyl-3,4,12,14-tetrahydro-4-hydroxy-3,14-dioxo-1H-pyrano[3',4'6,7]indolizino[1,2-b]quinoline
CAS:1255644-71-3
Irinotecan EP Impurity L (Base) Irinotecan USP RC
ITC12B

(R)-9-[(1,4'-Bipiperidine)-1'-carbonyloxy]-4,11-diethyl-3,4,12,14-tetrahydro-4-hydroxy-3,14-dioxo-1H-pyrano[3',4'6,7]indolizino[1,2-b]quinoline hydrochloride
CAS:1992961-26-8
Irinotecan EP Impurity L (HCl) Irinotecan USP RC
ITC12H

(R)-9-Fluoro-5-methyl-1-oxo-6,7-dihydro-1H,5H-benzo[i,j]-quinolizine-2-carboxylic acid
CAS:215178-95-3
Flumequine R-Isomer
FLQ51

(R)-9-Fluoro-5-methyl-1-oxo-6,7-dihydro-1H,5H-benzo[i,j]-quinolizine-2-carboxylic acid
CAS:215178-95-3
Flumequine (R)-Isomer
FLQ51

(R)-9-Fluoro-8-(4-hydroxypiperidin-1-yl)-5-methyl-1-oxo-6,7-dihydro-1H,5H-pyrido[3,2,1-ij]quinoline-2-carboxylic acid
CAS:160961-35-3
Nadifloxacin (R)-Isomer
NDF50

(R)-Benzhydryl 2-((R)-2-(2-(benzo[d]thiazol-2-yl)disulfanyl)-4-oxoazetidin-1-yl)-3-methylbut-3-enoate
CAS:87579-79-1
Tazobactam RC 1
TZB61

(R)-Benzyl 1-(7-carbamoyl-1-(3-hydroxypropyl)indolin-5-yl)propan-2-yl(2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)carbamate
Silodosin N-Benzyloxycarbonyl Impurity
SLD68

(R)-BENZYL 1-(BENZYLAMINO)-3-METHOXY-1-OXOPROPAN-2-YLCARBAMATE
CAS:196601-68-0
Lacosamide Impurity 3
LSM63

(R)-BENZYL 2-(5-ETHYL-1H-INDOLE-3-CARBONYL)PYRROLIDINE-1-CARBOXYLATE
Eletriptan Impurity E
ETT65B

(R)-BENZYL 4-(2-FLUORO-4-(5-(HYDROXYMETHYL)-2-OXOOXAZOLIDIN-3-YL)PHENYL)PIPERAZINE-1-CARBOXYLATE
Eperezolid RC 5
EPZ05

(R)-Cyano(3-phenoxyphenyl)methyl (1R,3R)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate
CAS:65731-83-1
Cypermethrin (1R,2R,1�R)-Isomer
CMR51

(R)-Cyano(3-phenoxyphenyl)methyl (1R,3S)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate
CAS:66841-24-5
Cypermethrin (1R,2S,1�R)-Isomer
CMR52

(R)-Cyano(3-phenoxyphenyl)methyl (1S,3S)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate
CAS:72204-44-5
Cypermethrin (1S,2S,1�R)-Isomer
CMR56

(R)-Diethyl (1-(6-amino-9H-purin-9-yl)propan-2-yloxy)methylphosphonate
CAS:180587-75-1
Tenofovir Diethyl Ester (R)-Isomer
TNF54B

(R)-Diphenyl (1-(6-amino-9H-purin-9-yl)propan-2-yloxy)methylphosphonate
CAS:342631-41-8
Tenofovir RC 6 Biphenyl PMPA
TNF96

(R)-ETHYL 1-(1-PHENYLETHYL)-1H-IMIDAZOLE-5-CARBOXYLATE
CAS:33125-97-2
Etomidate (Base) Etomidate R-Isomer
EDT00B

(R)-Ethyl 1-(1-phenylethyl)-1H-imidazole-5-carboxylate HCl
CAS:53188-20-8
Etomidate (HCl) Etomidate HCl R-Isomer
EDT00H

(R)-Ethyl 1-(1-phenylethyl)-1H-imidazole-5-carboxylate N-Oxide
Etomidate Impurity 7 Etomidate N-Oxide
EDT77

(R)-ethyl 1-[4,4-bis(3-methyl-2-thienyl)-3-butenyl]-3-piperidinecarboxylate
CAS:145821-58-5
Tiagabine USP RC A Tiagabine Ethyl Ester
TGB21B

(R)-ethyl 1-[4,4-bis(3-methyl-2-thienyl)-3-butenyl]-3-piperidinecarboxylate hydrochloride
CAS:145821-60-9
Tiagabine USP RC A (HCl) Tiagabine HCl Ethyl Este
TGB21H

(R)-Ethyl 2-(1-phenylethylamino)acetate
CAS:66512-37-6
Etomidate Impurity 5 (Base)
EDT75B

(R)-Ethyl 2-(1-phenylethylamino)acetate hydrochloride
Etomidate Impurity 5 (HCl)
EDT75H

(R)-Ethyl 2-(N-(1-phenylethyl)formamido)acetate
CAS:66514-85-0
Etomidate Impurity 6
EDT76

(R)-Ethyl 2-mercapto-1-(1-phenylethyl)-1H-imidazole-5-carboxylate
Etomidate Impurity 4
EDT74

(R)-Ethyl 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)pentanoate
CAS:47676-48-2
Cholic Acid Ethyl Ester
CAX55

(R)-Ethyl 4-methyl-1-((R)-1-phenylethyl)-1,2,3,6-tetrahydropyridine-2-carboxylate
CAS:139334-62-6
Argatroban RC 26
ATB86

(R)-ETHYL 5-([1,1'-BIPHENYL]-4-YL)-4-((TERT-BUTOXYCARBONYL)AMINO)-2-METHYLPENT-2-ENOATE
CAS:149709-59-1
Sacubitril RC 2
SCT72

(R)-Ethyl 7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3-hydroxy-5-oxoheptanoate
Atorvastatin 5-Oxo Ethyl Ester
ATV95

(R)-Ethyl 9-fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
Levofloxacin Impurity 15
LFX75

(R)-Isopropyl 9-(2-(((bis(benzyloxy))phosphoryl)methoxy)propyl)-9H-purin-6-ylcarbamate
CAS:1391052-09-7
Tenofovir RC 2 Tenofovir Dibenzyloxy Isopropyl Ca
TNF92

(R)-Methyl 1-(1-phenylethyl)-1H-imidazole-5-carboxylate
Etomidate Impurity 3 Etomidate Methyl Ester Meto
EDT73

(R)-Methyl 1-(1-phenylethyl)-1H-imidazole-5-carboxylate
CAS:61045-91-8
Etomidate R-Isomer Methyl Ester (R)-Metomidate
EDT51

(R)-METHYL 2-(BENZYLOXY)PROPANOATE
CAS:115458-99-6
Levofloxacin Impurity 22
LFX82

(R)-Methyl 2-(benzyloxycarbonyl)-3-methoxypropanoate
CAS:209804-17-1
Lacosamide Impurity 5
LSM65

(R)-METHYL 2-AMINO-3-HYDROXYPROPANOATE HYDROCHLORIDE
CAS:5874-57-7 5680-80-8
Cycloserine RC 2
CSR62H

(R)-Methyl 3-((3R,7S,8R,9S,10S,13R,14S,17R)-3,7-dihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)butanoate
CAS:118316-16-8
Ursodeoxycholic Acid RC 10
UDC60

(R)-methyl 3-(4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)propanoate
CAS:117405-53-5
Esmolol (R)-Isomer (Base)
ESZ50B

(R)-Methyl 3-(4-(2-hydroxy-3-(isopropylamino)propoxy)phenyl)propanoate hydrochloride
CAS:118629-36-0
Esmolol (R)-Isomer (HCl)
ESZ50H

(R)-Methyl 3-(4-(oxiran-2-ylmethoxy)phenyl)propanoate
CAS:246219-23-8
Esmolol RC 1
ESZ61

(R)-METHYL 3-AMINO-4-(2,4,5-TRIFLUOROPHENYL)BUTANOATE
CAS:881995-69-3
Sitagliptin Impurity 6 (Base) Sitagliptin Acid Me
SGT66B

(R)-Methyl 3-amino-4-(2,4,5-trifluorophenyl)butanoate HCl
CAS:1374985-05-3
Sitagliptin Impurity 6 (HCl) Sitagliptin Acid Met
SGT66H

(R)-Methyl 4-((3R,5R,8R,9S,10S,13R,14S,17R)-3-hydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate
CAS:1249-75-8
Lithocholic Acid RC 10 Methyl Lithocholate
LCX70

(R)-Methyl 4-((3R,5S,6R,7R,8S,9S,10S,13R,14S,17R)-6-ethyl-3,7-dihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate Methyl 3a,7-dihydroxy-6-ethyl-5�-cholanate 6-Ethyl-3,7-dihydroxy methyl ester cholan-24-oic acid
CAS:951694-73-8
Obeticholic Acid Methyl Ester
OBT57

(R)-Methyl 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)pentanoate
CAS:1448-36-8
Cholic Acid Methyl Ester Chenodeoxycholic Acid 12
CAX56

(R)-METHYL 4-((3R,5S,8R,9S,10S,13R,14S,17R)-3-HYDROXY-10,13-DIMETHYL-7-OXO-HEXADECAHYDRO-1H-CYCLOPENTA[A]PHENANTHREN-17-YL)PENTANOATE
CAS:10538-59-7
Lithocholic Acid RC 12 Nutriacholic Acid Methyl E
LCX72

(R)-Methyl 4-((3R,7S,8R,9S,10S,13R,14S,17R)-3,7-diacetoxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate
CAS:60384-30-7
Ursodeoxycholic Acid RC 2
UDC52

(R)-Methyl 4-((3R,7S,8R,9S,10S,13R,14S,17R)-7-acetoxy-3-hydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate
CAS:75672-24-1
Ursodeoxycholic Acid RC 1 7-O-Acetyl Ursodeoxycho
UDC51

(R)-Methyl 4-((5R,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-3-oxo-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate
CAS:1173-32-6
Lithocholic Acid RC 11
LCX71

(R)-N,N-Dimethyl-2-(3-(1-(pyridin-2-yl)ethyl)-1H-inden-2-yl)ethan-1-amine maleate
CAS:136152-64-2
Dimetindene (R)-Isomer (Maleate)
DTD52M

(R)-N,N-Dimethyl-2-(3-(1-(pyridin-2-yl)ethyl)-1H-inden-2-yl)ethanamine
CAS:135821-89-5
Dimetindene (R)-Isomer (Base)
DTD52B

(R)-N,N-DIMETHYL-3-(NAPHTHALEN-1-YLOXY)-1-PHENYLPROPAN-1-AMINE
CAS:119357-36-7
Dapoxetine (R)-Isomer (Base) (R)-Dapoxetine
DXE50B

(R)-N,N-Dimethyl-3-(naphthalen-1-yloxy)-1-phenylpropan-1-amine hydrochloride
CAS:156453-51-9
Dapoxetine (R)-Isomer (HCl) (R)-Dapoxetine Hydroc
DXE50H

(R)-N-((S)-2-Imino-4-oxo-1,3-diazepan-5-yl)-3-methyl-1,2,3,4-tetrahydroquinoline-8-sulfonamide
Argatroban RC 22
ATB82

(R)-N-(1-(1-Acryloylpiperidin-3-yl)-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)acrylamide
Ibrutinib Impurity 2
IBT52

(R)-N-(1-(2,6-Dimethylphenoxy)propan-2-yl)acetamide
CAS:141552-89-8
Mexiletine RC 6
MLT66

(R)-N-(1-(3-(2-CYANOBENZYL)-1-METHYL-2,6-DIOXO-1,2,3,6-TETRAHYDROPYRIMIDIN-4-YL)PIPERIDIN-3-YL)BENZAMIDE
CAS:1618644-32-8
Alogliptin Benzoylamino Impurity Alogliptin Impur
ALG51

(R)-N-(1-(5,6,7,8-TETRAHYDRONAPHTHALEN-1-YL)ETHYL)-3-(3-(TRIFLUOROMETHYL)PHENYL)PROPAN-1-AMINE
CAS:1229224-93-4
Cinacalcet Impurity 10 (Base)
CCC70B

(R)-N-(1-(5,6,7,8-Tetrahydronaphthalen-1-yl)ethyl)-3-(3-(trifluoromethyl)phenyl)propan-1-amine hydrochloride
CAS:1229225-43-7
Cinacalcet Impurity 10 (HCl)
CCC70H

(R)-N-(1-(5,6-DIHYDRONAPHTHALEN-1-YL)ETHYL)-3-(3-(TRIFLUOROMETHYL)PHENYL)PROPAN-1-AMINE
CAS:802918-36-1
Cinacalcet 5,6-Dihydro R-Isomer
CCC57B

(R)-N-(1-(7,8-DIHYDRONAPHTHALEN-1-YL)ETHYL)-3-(3-(TRIFLUOROMETHYL)PHENYL)PROPAN-1-AMINE
CAS:802918-35-0
Cinacalcet 7,8-Dihydro R-Isomer (Base)
CCC58B

(R)-N-(1-(7,8-Dihydronaphthalen-1-yl)ethyl)-3-(3-(trifluoromethyl)phenyl)propan-1-amine HCl
CAS:1020414-33-8
Cinacalcet 7,8-Dihydro R-Isomer (HCl)
CCC58H

(R)-N-(1-(Naphthalen-1-yl)ethyl)-3-(3-(trifluoromethyl) phenyl)-N-(3-(3-(trifluoromethyl)phenyl)propyl)propan-1-amine
CAS:1271930-15-4
Cinacalcet USP RC B Cinacalcet Dimer Impurity Ci
CCC22

(R)-N-(1-(Naphthalen-1-yl)ethyl)-3-(3-(trifluoromethyl) phenyl)propan-1-amine hydrochloride
CAS:226256-56-0
Cinacalcet HCl
CCC00H

(R)-N-(1-(Naphthalen-1-yl)ethyl)-3-(3-(trifluoromethyl) phenyl)propan-1-amine N-oxide
CAS:1229224-94-5
Cinacalcet N-Oxide
CCC40

(R)-N-(1-(Naphthalen-1-yl)ethyl)-3-(4-(trifluoromethyl) phenyl)propan-1-amine
CAS:1428185-71-0
Cinacalcet USP RC C (Base) Cinacalcet para-Triflu
CCC23B

(R)-N-(1-(Naphthalen-1-yl)ethyl)-3-(4-(trifluoromethyl) phenyl)propan-1-amine hydrochloride
CAS:1428118-39-1
Cinacalcet USP RC C (HCl) Cinacalcet HCl para-Tri
CCC23H

(R)-N-(1-(NAPHTHALEN-1-YL)ETHYL)-3-M-TOLYLPROPAN-1-AMINE HYDROCHLORIDE
CAS:253337-60-9
Cinacalcet Impurity E Cinacalcet 3-Methyl Analog
CCC35H

(R)-N-(1-(NAPHTHALEN-2-YL)ETHYL)-3-(3-(TRIFLUOROMETHYL)PHENYL)PROPAN-1-AMINE
CAS:2074615-22-6
Cinacalcet beta-Alkyl R-Isomer (Base) Cinacalcet
CCC51B

(R)-N-(1-(Naphthalen-2-yl)ethyl)-3-(3-(trifluoromethyl)phenyl)propan-1-amine hydrochloride
CAS:2200269-28-7
Cinacalcet beta-Alkyl R-Isomer (HCl) Cinacalcet I
CCC51H

(R)-N-(1-Phenylethyl)methanesulfonamide
CAS:316363-65-2
Lurasidone Impurity 2
LRS62

(R)-N-(1-Phenylpropan-2-yl)prop-2-yn-1-amine
CAS:56862-28-3
Selegiline EP Impurity D
SLG04B

(R)-N-(2,4-Difluorobenzyl)-9-ethoxy-2-(4-hydroxybutan-2-yl)-1,8-dioxo-2,8-dihydro-1H-pyrido[1,2-a]pyrazine-7-carboxamide
Dolutegravir Hydroxybutanyl Ethoxy Impurity
DGV71

(R)-N-(2,4-DIFLUOROBENZYL)-9-HYDROXY-2-(4-HYDROXYBUTAN-2-YL)-1,8-DIOXO-2,3,4,8-TETRAHYDRO-1H-PYRIDO[1,2-A]PYRAZINE-7-CARBOXAMIDE
CAS:1973402-05-09
Dolutegravir Hydroxybutanyl Impurity Dolutegravir
DGV75

(R)-N-(2-(2,8-DIHYDRO-1H-INDENO[5,4-B]FURAN-8-YL)ETHYL)PROPIONAMIDE
Ramelteon RC 2
RMT72

(R)-N-(2-Acetylphenyl)-2-(8-(3-aminopiperidin-1-yl)-7-(but-2-ynyl)-3-methyl-2,6-dioxo-2,3-dihydro-6H-purin-1(7H)-yl)acetamide
CAS:2416949-69-2
Linagliptin RC 7
LGT77

(R)-N-(2-Chloroallyl)-2,3-dihydro-1H-inden-1-amine
CAS:1175018-73-1
Rasagiline RC 2 (Base) Rasagiline Vinylchloride A
RSG62B

(R)-N-(2-Chloroallyl)-2,3-dihydro-1H-inden-1-amine HCl
CAS:1175018-75-3
Rasagiline RC 2 (HCl) Rasagiline Vinylchloride An
RSG62H

(R)-N-(2-Chloroallyl)-2,3-dihydro-1H-inden-1-amine oxalate
Rasagiline RC 2 (Oxalate) Rasagiline Vinylchlorid
RSG62X

(R)-N-(2-Hydroxy-2-(3-hydroxyphenyl)ethyl)-N-methylglycine
CAS:1094089-46-9
Phenylephrine USP RC G (Acid)
PNP27A

(R)-N-(2-Hydroxy-2-(3-hydroxyphenyl)ethyl)-N-methylglycine sodium salt
Phenylephrine USP RC G (Na)
PNP27N

(R)-N-(3-(Trifluoromethyl)benzyl)-1-(naphthalen-1-yl)ethanamine
CAS:1229512-52-0
Cinacalcet Impurity 11 (Base)
CCC71B

(R)-N-(3-(Trifluoromethyl)benzyl)-1-(naphthalen-1-yl)ethanamine hydrochloride
CAS:1229225-42-6
Cinacalcet Impurity 11 (HCl)
CCC71H

(R)-N-(4-(3-Chloro-4-fluorophenylamino)-7-((R)-tetrahydrofuran-3-yloxy)quinazolin-6-yl)-4-(dimethylamino)-3-hydroxybutanamide
CAS:2413212-23-2
Afatinib RC 9
AFN79

(R)-N-(4-OXO-4-(3-(TRIFLUOROMETHYL)-5,6-DIHYDRO-[1,2,4]TRIAZOLO[4,3-A]PYRAZIN-7(8H)-YL)-1-(2,4,5-TRIFLUOROPHENYL)BUTAN-2-YL)FORMAMIDE
Sitagliptin N-Formyl Impurity
SGT54

(R)-N-(Piperidin-2-ylmethyl)-2,5-bis(2,2,2-trifluoroethoxy)benzamide
CAS:99495-90-6
Flecainide (R)-Isomer (R)-Flecainide
FCN52

(R)-N-(Quinuclidin-3-yl)-5,6,7,8-tetrahydronaphthalene-1-carboxamide
CAS:135729-78-1
Palonosetron Impurity 1
PLN61

(R)-N-(Quinuclidin-3-yl)-5,6-dihydronaphthalene-1-carboxamide
CAS:1227162-75-5
Palonosetron Impurity 2
PLN62

(R)-N-[[3-[3-FLUORO-4-(4-MORPHOLINYL)PHENYL]-2-OXO-5-OXAZOLIDINYL] METHYL] PHTHALIMIDE
CAS:947736-16-5
Linezolid Desacetamide Phthalimide (R)-Isomer
LNZ36

(R)-N-Benzyl-1-(naphthalen-1-yl)ethanamine HCl
CAS:66469-40-7
Cinacalcet impurity B
CCC32H

(R)-N-Benzyl-2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetamide
CAS:1150310-68-1
Levocetirizine N-Benzylamide
LCZ61B

(R)-N-Benzyl-N-(2-chloroethyl)-1-phenoxypropan-2-amine
CAS:71799-91-2
Phenoxybenzamine (R)-Isomer
PBZ61B

(R)-N-Benzyl-N-(2-chloroethyl)-1-phenoxypropan-2-amine hydrochloride
CAS:16053-59-1
Phenoxybenzamine (R)-Isomer (HCl)
PBZ61H

(R)-N-Methyl-3-(naphthalen-1-yloxy)-1-phenylpropan-1-amine
CAS:1202160-36-8
Dapoxetine RC 3 Dapoxetine (R)-Isomer N-Demethyl
DXE63

(R)-N-Methyl-3-phenoxy-3-phenylpropan-1-amine
CAS:1212823-01-2
Atomoxetine 2-Desmethyl (Base) (R)-Desmethyl Atom
ATM61B

(R)-N-Methyl-3-phenoxy-3-phenylpropan-1-amine hydrochloride
CAS:1212215-97-8
Atomoxetine 2-Desmethyl (HCl) (R)-Desmethyl Atomo
ATM61H

(R)-N-METHYL-N-(1-PHENYLPROPAN-2-YL)PROP-2-YN-1-AMINE HYDROCHLORIDE
CAS:14611-52-0
Selegiline hydrochloride
SLG00H

(R)-N-Nitroso-N-(prop-2-ynyl)-2,3-dihydro-1H-inden-1-amine
CAS:2470278-90-9
Rasagiline N-Nitroso Impurity
RSG48

(R)-N-tert-Butyl-2,3-bis(4-morpholino-1,2,5-thiadiazol-3-yloxy)propan-1-amine
CAS:1391068-05-5
Timolol Impurity 7
TML57

(R)-N-VALERYL-N-([2'-(1H-TETRAZOLE-5-YL)BIPHEN-4-YL]METHYL)VALINE
CAS:137862-87-4
Valsartan USP RC A Valsartan EP Impurity A Valsa
VST21

(R)-N-Valeryl-N-([2'-(2-trityl-tetrazol-5-yl)biphenyl-4-yl]methyl)valine
Valsartan N2-Trityl (R)-Isomer
VST44

(R)-Phenyl methyl(3-(naphthalen-1-yloxy)-3-(thiophen-2-yl)propyl)carbamate
Duloxetine Phenyl Carbamate (R)-Isomer
DLX84

(R)-QUINUCLIDIN-3-YL 2-BENZOYLPHENETHYLCARBAMATE
CAS:1956436-64-8
Solifenacin Benzoyl (R)-Quinuclidinyl Impurity
SLF44B

(R)-Quinuclidin-3-yl carbonochloridate
CAS:201660-37-9
Solifenacin Impurity 11
SLF71B

(R)-S-3-Chloro-2-methyl-3-oxopropyl ethanethioate
CAS:74345-73-6
Captopril RC 5
CPR55

(R)-sec-Butyl 4-((3R,7S,8R,9S,10S,13R,14S,17R)-3,7-dihydroxy-10,13-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate
Ursodeoxycholic Acid 2-Butyl Ester
UDC42

(R)-tert-Butyl (1-([1,1'-biphenyl]-4-yl)-3-(benzyloxy)propan-2-yl)carbamate
CAS:1932671-22-1
Sacubitril AHU-78
SCT69

(R)-tert-Butyl 1-(2,5-difluorophenyl)-4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-2-ylcarbamate
CAS:486460-22-4
Sitagliptin Impurity 8
SGT68

(R)-tert-Butyl 1-(7-carbamoyl-1-(3-hydroxypropyl)indolin-5-yl)propan-2-yl(2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)carbamate
CAS:160970-07-0
Silodosin N-t-BOC Impurity
SLD69

(R)-TERT-BUTYL 1-BENZYLPIPERIDIN-3-YLCARBAMATE
CAS:454713-13-4
Linagliptin RC 10
LGT80

(R)-TERT-BUTYL 2-((R)-HYDROXY(PHENYL)METHYL)MORPHOLINE-4-CARBOXYLATE
CAS:1030837-58-1
Reboxetine RC 8
RBX68

(R)-tert-Butyl 2-((S)-(methylsulfonyloxy)(phenyl)methyl)morpholine-4-carboxylate
CAS:1030837-66-1
Reboxetine RC 13
RBX73

(R)-tert-Butyl 2-(3-(2-fluoro-6-(trifluoromethyl)benzyl)-5-(2-fluoro-3-methoxyphenyl)-4-methyl-2,6-dioxo-2,3-dihydropyrimidin-1(6H)-yl)-1-phenylethylcarbamate
CAS:830346-51-5
Elagolix N-BOC Analog
EGX51

(R)-tert-Butyl 2-(3-(2-fluoro-6-(trifluoromethyl)benzyl)-5-bromo-4-methyl-2,6-dioxo-2,3-dihydropyrimidin-1(6H)-yl)-1-phenylethylcarbamate
CAS:830346-49-1
Elagolix RC 1
EGX61

(R)-tert-Butyl 2-benzoylmorpholine-4-carboxylate
CAS:869088-60-8
Reboxetine RC 1
RBX61

(R)-TERT-BUTYL 3-(4-AMINO-3-(4-PHENOXYPHENYL)-1H-PYRAZOLO[3,4-D]PYRIMIDIN-1-YL)PIPERIDINE-1-CARBOXYLATE
CAS:1022150-11-3
Ibrutinib N-BOC Analog N-BOC-Ibrutinib
IBT42

(R)-TERT-BUTYL 3-AMINOPIPERIDINE-1-CARBOXYLATE
CAS:188111-79-7
Linagliptin RC 3
LGT73

(R)-TERT-BUTYL 4-AMINOPHENETHYL(2-HYDROXY-2-PHENYLETHYL)CARBAMATE
CAS:223673-36-7
Mirabegron RC 1
MRB41B

(R)-tert-Butyl 4-oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-ylcarbamate
CAS:486460-23-5
Sitagliptin N-BOC Amide
SGT58

(R)-TERT-BUTYL 6-CHLORO-5-HYDROXY-3-OXOHEXANOATE
CAS:404958-08-3
Rosuvastatin Impurity 5
RSVA5

(R)-TETRAHYDROFURAN-3-YL 4-METHYLBENZENESULFONATE
CAS:219823-47-9
Empagliflozin RC 1
EGF71

(R*,R*)-5,5�-Bis(�-D-glucopyranosyloxy)-9,9�,10,10�-tetrahydro-4,4�-dihydroxy-10,10�-dioxo[9,9�-Bianthracene]-2,2�-dicarboxylic acid
CAS:81-27-6
Sennoside A
SNS51

(R*,S*)-5,5�-Bis(�-D-glucopyranosyloxy)-9,9�,10,10�-tetrahydro-4,4�-dihydroxy-10,10�-dioxo-[9,9�-Bianthracene]-2,2�-dicarboxylic acid
CAS:128-57-4
Sennoside B
SNS52

(R,E)-2-(1-((1-(3-(2-(7-Chloroquinolin-2-yl)vinyl)phenyl)-3-(4-hydroxy-2-(2-hydroxypropan-2-yl)phenyl)propylthio)methyl)cyclopropyl)acetic acid
CAS:200804-28-0
Montelukast Impurity 10
MTL90

(R,E)-2-(4-(2,4-DICHLOROPHENYL)-1,3-DITHIOLAN-2-YLIDENE)-2-(1H-IMIDAZOL-1-YL)ACETONITRILE
CAS:187164-19-8
Luliconazole Luliconazole (R,E)-Isomer
LZL00

(R,E)-2-(4-(4-Chlorophenyl)-1,3-dithiolan-2-ylidene)-2-(1H-imidazol-1-yl)acetonitrile
CAS:187164-18-7
Luliconazole 2-Deschloro (R,E)-Isomer
LZL60

(R,E)-4-((3-(3-(DIISOPROPYLAMINO)-1-PHENYLPROPYL)-4-HYDROXYBENZYL)OXY)-4-OXOBUT-2-ENOIC ACID
CAS:1428856-47-6
Fesoterodine Diol Fumarate Ester (Base)
FST42B

(R,E)-4-((3-(3-(Diisopropylamino)-1-phenylpropyl)-4-hydroxybenzyl)oxy)-4-oxobut-2-enoic acid HCl
Fesoterodine Diol Fumarate Ester (HCl)
FST42H

(R,E)-4-(1-(3-(2-(7-Chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propylthio)-3,3-dimethylbutanoic acid
CAS:162489-70-5
Montelukast Impurity 11
MTL91

(R,E)-4-Hydroxy-3-(2-((1R,4aS,5R,6R,8aS)-6-hydroxy-5-(hydroxymethyl)-5,8a-dimethyl-2-methylene-decahydronaphthalen-1-yl)ethylidene)-dihydrofuran-2(3H)-one
CAS:142037-79-4
Andrographolide 14-Epimer 14-?Epiandrographolide
AGF50

(R,E)-5-([1,1'-BIPHENYL]-4-YL)-4-((TERT-BUTOXYCARBONYL)AMINO)-2-METHYLPENT-2-ENOIC ACID
CAS:1012341-48-8
Sacubitril RC 15
SCT85

(R,E)-5-(4-Fluorophenyl)-2-((S)-(4-fluorophenylamino)(4-hydroxyphenyl) methyl)pent-4-enoic acid
CAS:1292292-63-7
Ezetimibe Open-Ring Anhydro Acid Ezetimibe Anhydr
EZT51

(R,E)-5-(4-Fluorophenyl)-2-((S)-(4-fluorophenylamino)(4-hydroxyphenyl) methyl)pent-4-enol
CAS:1374250-07-3
Ezetimibe Open-Ring Anhydro Alcohol
EZT61

(R,E)-8-(3-Aminopiperidin-1-yl)-7-(3-bromobut-2-enyl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-dione
CAS:1446263-39-3
Linagliptin RC 13
LGT83

(R,E)-Ethyl 2-(1-phenylethylimino)acetate
CAS:37662-05-8
Argatroban RC 21
ATB81

(R,E)-Methyl 2-(3-(acetylthio)-3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)propyl)benzoate
CAS:855473-48-2
Montelukast Impurity 3
MTL83

(R,E)-N-(1-(Naphthalen-1-yl)ethyl)-3-(3-(trifluoromethyl) phenyl)prop-2-en-1-amine HCl
CAS:955373-56-5
Cinacalcet Impurity C Dehydro Cinacalcet Hydrochl
CCC33H

(R,E)-N-(4-(3-CHLORO-4-FLUOROPHENYLAMINO)-7-(TETRAHYDROFURAN-3-YLOXY)QUINAZOLIN-6-YL)-4-(DIMETHYLAMINO)BUT-2-ENAMIDE
CAS:945553-91-3
Afatinib Impurity C Afatinib (R)-Isomer
AFN63

(R,S)-4,4�-(Methylenebis(azanediyl)bis(5-fluoro-1-((2R,5S)-2-(hyroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one
Emtricitabine N,N-Methylene Dimer
EMT64

(R,Z)-2-(4-(2,4-DICHLOROPHENYL)-1,3-DITHIOLAN-2-YLIDENE)-2-(1H-IMIDAZOL-1-YL)ACETONITRILE
CAS:1240249-76-6
Luliconazole (R,Z)-Isomer
LZL52

(R,Z)-2-(4-(4-Chlorophenyl)-1,3-dithiolan-2-ylidene)-2-(1H-imidazol-1-yl)acetonitrile
Luliconazole 2-Deschloro (R,Z)-Isomer
LZL62

(R,Z)-3-(Chloro((2-hydroxy-3-(piperidin-1-yl)propoxy)imino)methyl)pyridine 1-oxide
CAS:289893-25-0
Arimoclomol (R)-Arimoclomol
AXX00B

(R,Z)-3-(Chloro((2-hydroxy-3-(piperidin-1-yl)propoxy)imino)methyl)pyridine 1-oxide maleate
CAS:289893-26-1
Arimoclomol Maleate (R)-Arimoclomol Maleate
AXX00M

(R,Z)-5-(4-Fluorophenyl)-2-((S)-((4-fluorophenyl)amino)(4-hydroxyphenyl) methyl) pent-4-enoic acid
Ezetimibe Open-Ring Anhydro Acid (Z)-Isomer
EZT76

(R,Z)-7-((1S,2S,6R,8S)-2,6-Dimethyl-8-((S)-2-methylbutanoyloxy)-1,2,6,7,8,8a-hexahydronaphthalen-1-yl)-5-hydroxyhept-2-enoic acid
CAS:1649503-10-5
Lovastatin Impurity 3 (Acid)
LVS63A

(R,Z)-8-(3-Aminopiperidin-1-yl)-7-(3-bromobut-2-enyl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-dione
CAS:1638744-06-5
Linagliptin RC 14
LGT84

(R,Z)-Methyl 2-(3-(4-(methylsulfinyl)benzylidene)-6-fluoro-2-methyl-3H-inden-1-yl)acetate
CAS:929081-61-8
Sulindac (R)-Isomer Methyl Ester
SDC52

(R,Z)-N-((S)-4-(3,4-Dichlorophenyl)-3,4-dihydronaphthalen-1(2H)-ylidene)-2-methylpropane-2-sulfinamide
CAS:674767-90-9
Sertraline 2-Methylpropane 2-Sulfinamide
STL52

(RS)-(1-BENZYL-1H-IMIDAZOL-5-YL)(2,3-DIMETHYLPHENYL)METHANOL
CAS:83902-12-9
Detomidine EP Impurity B
DTM02

(RS)-(1-Benzyl-piperidin-4-yl)formaldehyde
CAS:22065-85-6
Donepezil Aldehyde Impurity
DNP42

(RS)-(2,3-dimethylphenyl)(1H-imidazol-4-yl)methanol
CAS:78892-33-8
Detomidine EP Impurity A
DTM01

(RS)-(2,4-Diaminopyrimidin-5-yl)(3,4,5-trimethoxyphenyl)methanol
CAS:29606-06-2
Trimethoprim EP Impurity C (Base) a-Hydroxy Trime
TMM03B

(RS)-(2,4-Diaminopyrimidin-5-yl)(3,4,5-trimethoxyphenyl)methanol HCl
Trimethoprim EP Impurity C (HCl) a-Hydroxy Trimet
TMM03H

(RS)-(2-Fluorophenyl)(4-fluorophenyl)methoxyphenylmethane
Flutrimazole EP Impurity C
FTZ03

(RS)-(2-Fluorophenyl)(4-fluorophenyl)phenylmethanol
CAS:128092-72-8
Flutrimazole EP Impurity B
FTZ02

(RS)-(2-Methylphenyl)phenylmethanol
CAS:5472-13-9
Orphenadrine EP Impurity A 2-Methylbenzhydrol
OPD01

(RS)-(BIPHENYL-4-YL)PHENYLMETHANOL
CAS:7598-80-3
Bifonazole EP Impurity A
BFN01

(RS)-(o-Chlorophenyl)[6,7-dihydrothieno[3,2-c]pyridine-5(4H)-yl]acetonitrile
CAS:444728-11-4
Clopidogrel Cyano Racemate
CPG49B

(RS)-(PIPERIDIN-2-YL)METHANAMINE
CAS:22990-77-8
Flecainide EP Impurity B (Base)
FCN02B

(RS)-(Piperidin-2-yl)methanamine dihydrochloride
CAS:56098-52-3
Flecainide EP Impurity B (2HCl)
FCN02H

(RS)-[2,8-Bis(trifluoromethyl)quinolin-4-yl](pyridin-2-yl)methanol
CAS:68496-04-8
Mefloquine EP Impurity B Dehydro Mefloquine
MFQ02B

(RS)-[2,8-Bis(trifluoromethyl)quinolin-4-yl][(2RS)-piperidin-2-yl]methanol
CAS:49752-90-1
Mefloquine EP Impurity C (Base) Mefloquine USP RC
MFQ03B

(RS)-[2,8-Bis(trifluoromethyl)quinolin-4-yl][(2RS)-piperidin-2-yl]methanol HCl
Mefloquine EP Impurity C (HCl) Mefloquine USP RC
MFQ03H

(RS)-[2,8-Bis(trifluoromethyl)quinolin-4-yl][(2SR)-piperidin-2-yl]methanol
CAS:53230-10-7
Mefloquine (Base) (R,S)-Mefloquine & Enantiomer
MFQ00B

(RS)-[2,8-Bis(trifluoromethyl)quinolin-4-yl][(2SR)-piperidin-2-yl]methanol hydrochloride
CAS:51773-92-3
Mefloquine (HCl) Mefloquine Hydrochloride (R,S)-
MFQ00H

(RS)-1-(2,4-Dichlorophenyl)-2-(1H-imidazol-1-yl)ethanol
CAS:24155-42-8
Fenticonazole EP Impurity A Econazole EP Impurity
FCZ01B

(RS)-1-(4-CHLOROPHENYL)-1-PHENYLETHANOL
CAS:59767-24-7
Clemastine EP Impurity C
CLM03

(RS)-1-(4-HYDROXYMETHYLPHENOXY)-3-ISOPROPYLAMINOPROPAN-2-OL
CAS:62572-93-4
Bisoprolol EP Impurity A Bisoprolol USP RC A
BSP01B

(RS)-1-(tert-Butylamino)-3-(2-cyclopentenylphenoxy)propan-2-ol
CAS:121010-10-4
Penbutolol EP Impurity A Racemate
PBT51B

(RS)-1-[(2-Fluorophenyl)(4-fluorophenyl)phenylmethyl]-1H-imidazole
CAS:119006-77-8
Flutrimazole
FTZ00

(RS)-1-[(4-Chlorophenyl)phenylmethyl]-piperazine
CAS:303-26-4
Hydroxyzine EP Impurity A Cetirizine EP Impurity
HDZ01

(RS)-1-[(4-CHLOROPHENYL)PHENYLMETHYL]PIPERAZINE
CAS:303-26-4
Cetirizine EP Impurity A N-Desmethyl Chlorcyclizi
CTR01

(RS)-1-[2-(2,4-Dichlorophenyl)-2-[4-(phenylsulfanyl)-benzyloxy]ethyl]-3-[4-(phenylsulfanyl)benzyl]imidazolium chloride
CAS:80639-92-5
Fenticonazole EP Impurity E (Chloride)
FCZ05C

(RS)-1-[2-(2,4-Dichlorophenyl)-2-[4-(phenylsulfanyl)-benzyloxy]ethyl]-3-[4-(phenylsulfanyl)benzyl]imidazolium nitrate
CAS:1313397-06-6
Fenticonazole EP Impurity E (Nitrate)
FCZ05N

(RS)-1-[2-(2,4-Dichlorophenyl)-2-hydroxyethyl]-3-[4-(phenylsulfanyl)benzyl]imidazolium
CAS:793620-45-8
Fenticonazole EP Impurity D (Base)
FCZ04B

(RS)-1-[2-(2,4-Dichlorophenyl)-2-hydroxyethyl]-3-[4-(phenylsulfanyl)benzyl]imidazolium chloride
CAS:80639-93-6
Fenticonazole EP Impurity D (Chloride)
FCZ04C

(RS)-1-[2-(2,4-Dichlorophenyl)-2-hydroxyethyl]-3-[4-(phenylsulfanyl)benzyl]imidazolium nitrate
CAS:1313397-05-5
Fenticonazole EP Impurity D (Nitrate)
FCZ04N

(RS)-1-[2-[(7-Chloro-1-benzothiophen-3-yl)methoxy]-2-(2,4-dichlorophenyl)ethyl]-1H-imidazole
CAS:99592-32-2
Sertaconazole
SCZ00B

(RS)-1-[2-[(7-Chloro-1-benzothiophen-3-yl)methoxy]-2-(2,4-dichlorophenyl)ethyl]-1H-imidazole nitrate
CAS:99592-39-9
Sertaconazole Nitrate
SCZ00N

(RS)-1-[4-[4-(2-HYDROXY-3-ISOPROPOPYLAMINOPROPOXY)-BENZYL]PHENOXY]- 3-ISOPROPYLAMINOPROPAN-2-OL
CAS:1797132-90-1
Bisoprolol EP Impurity C
BSP03B

(RS)-1-[4-[4-(2-Hydroxy-3-isopropylaminopropoxy)benzyloxylmethyl] phenoxy]-3-isopropylaminopropan-2-ol
CAS:1225195-71-0
Bisoprolol EP Impurity D
BSP04B

(RS)-1-ISOPROPYLAMINO-3-[4-(2-PROPOXYETHOXYMETHYL) PHENOXY] PROPAN-2-OL
CAS:1447715-44-7
Bisoprolol EP Impurity B Bisoprolol Propyl Analog
BSP02B

(RS)-10-Fluoro-2,3-dihydro-3-methyl-9-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
CAS:197291-75-1
Ofloxacin EP Impurity D (base) Ofloxacin 10-Fluor
OFX04B

(RS)-10-Fluoro-2,3-dihydro-3-methyl-9-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid ethyl ester
CAS:2172959-66-7
Ofloxacin EP Impurity D Ethyl Ester
OFX34

(RS)-10-Fluoro-2,3-dihydro-3-methyl-9-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid HCl
Ofloxacin EP Impurity D (HCl) Ofloxacin HCl 10-Fl
OFX04H

(RS)-2,3-Dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
CAS:95848-94-5
Ofloxacin EP Impurity C Ofloxacin Desfluoro Impur
OFX03

(RS)-2-(2-Oxopyrrolidin-1-yl)butanamide
CAS:33996-58-6
Levetiracetam Racemate
LET30

(RS)-2-(Ethylamino)-N-(2-methylphenyl)propanamide
CAS:42459-37-0
Prilocaine EP Impurity C
PLC03B

(RS)-2-(Ethylamino)-N-(2-methylphenyl)propanamide hydrochloride
CAS:35891-75-9
Prilocaine EP Impurity C (HCl)
PLC03H

(RS)-2-[(1-Benzyl-4-piperidyl)methyl]-5,6-dihydroxy-1-indanone HBr
CAS:220170-71-8
Donepezil Didesmethyl Impurity
DNP57H

(RS)-2-[(1-Benzyl-4-piperidyl)methyl]-5,6-dimethoxy-1-indanone
CAS:120014-06-4
Donepezil (Base)
DNP00B

(RS)-2-[(1-Benzyl-4-piperidyl)methyl]-5,6-dimethoxy-1-indanone hydrochloride
CAS:120011-70-3 & 110119-84-1
Donepezil HCl (Anhydrous)
DNP00H

(RS)-2-[(1-Benzyl-4-piperidyl)methyl]-5,6-dimethoxy-1-indanone hydrochloride monohydrate
CAS:884740-09-4
Donepezil HCl (Monohydrate)
DNP00X

(RS)-2-[(1-Benzyl-4-piperidyl)methyl]-5,6-dimethoxy-1-indanone N-Oxide
CAS:120013-84-5
Donepezil N-Oxide
DNP50

(RS)-2-[(1-Benzyl-4-piperidyl)methyl]-5-hydroxy-6-methoxy-1-indanone
CAS:120013-57-2
Donepezil 5-O-Desmethyl Impurity
DNP55

(RS)-2-[(1-Benzyl-4-piperidyl)methyl]-6-hydroxy-5-methoxy-1-indanone
CAS:120013-56-1
Donepezil 6-O-Desmethyl Impurity
DNP56

(RS)-2-[(2-Methylphenyl)phenylmethoxy]ethanamine
CAS:17349-96-1
Orphenadrine EP Impurity C N,N-Didemethyl Orphena
OPD03B

(RS)-2-[(2-METHYLPHENYL)PHENYLMETHOXY]ETHANAMINE HYDROCHLORIDE
CAS:17752-32-8
Orphenadrine EP Impurity C (HCl) N,N-Didemethyl O
OPD03H

(RS)-2-[2-[2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethoxy] ethoxy] acetic acid dihydrochloride
CAS:682323-77-9
Cetirizine EP Impurity E (Base) Hydroxyzine Aceti
CTR05B

(RS)-2-[2-[4-[(2-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethoxy] acetic acid
CAS:83881-59-8
Cetirizine EP Impurity C (Base) 2-Chloro Cetirizi
CTR03B

(RS)-2-[2-[4-[(2-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethoxy] acetic acid dihydrochloride
CAS:2702511-37-1
Cetirizine EP Impurity C (2HCl) 2-Chloro Cetirizi
CTR03H

(RS)-2-[2-[4-[(3-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethoxy] acetic acid
CAS:1232460-31-9
Cetirizine 3-Chloro Analog (Base) 3-Chloro Cetiri
CTR43B

(RS)-2-[2-[4-[(3-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethoxy] acetic acid dihydrochloride
CAS:1232460-29-5
Cetirizine 3-Chloro Analog (2HCl) 3-Chloro Cetiri
CTR43H

(RS)-2-[2-[4-[(4-Chlorophenyl)phenylmethyl]-1-oxido-piperazin-1-yl]ethoxy] acetic acid
CAS:1076199-80-8
Cetirizine N-Oxide
CTR32

(RS)-2-[2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethoxy]acetamide
CAS:83881-37-2
Cetirizine USP RC C (Base) Cetirizine Amide
CTR23B

(RS)-2-[2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethoxy]acetamide dihydrochloride
CAS:200707-85-3
Cetirizine USP RC C (2HCl) Cetirizine Amide (2HCl
CTR23H

(RS)-2-[2-[4-[(4-CHLOROPHENYL)PHENYLMETHYL]PIPERAZIN-1-YL]ETHOXY]ACETIC ACID DIHYDROCHLORIDE
CAS:83881-52-1
Cetirizine dihydrochloride
CTR00H

(RS)-2-[2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethoxy]acetic acid ethyl ester
CAS:246870-46-2
Cetirizine USP RC A (Base) Cetirizine Ethyl Ester
CTR21B

(RS)-2-[2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethoxy]acetic acid ethyl ester dihydrochloride
Cetirizine USP RC A (2HCl) Cetirizine Ethyl Ester
CTR21H

(RS)-2-[2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethoxy]acetic acid methyl ester
CAS:83881-46-3
Cetirizine Methyl Ester (Base)
CTR31B

(RS)-2-[2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethoxy]acetic acid methyl ester dihydrochloride
CAS:83881-48-5
Cetirizine Methyl Ester (2HCl)
CTR31H

(RS)-2-[2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethoxy]ethanol dihydrochloride
CAS:2192-20-3
Hydroxyzine dihydrochloride
HDZ00H

(RS)-2-[4-(2-Isopropoxy-ethoxymethyl)phenoxy]-3-isopropyl amino propan-2-ol
CAS:1798418-82-2
Bisoprolol EP Impurity F (Base)
BSP06B

(RS)-2-[4-(2-Isopropoxy-ethoxymethyl)phenoxy]-3-isopropyl amino propan-2-ol fumarate
Bisoprolol EP Impurity F (Fumarate Salt)
BSP06F

(RS)-2-[4-[(4-CHLOROPHENYL)PHENYLMETHYL]PIPERAZIN-1-YL]ACETIC ACID
CAS:113740-61-7
Cetirizine EP Impurity B (Base) Cetirizine Acetic
CTR02B

(RS)-2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]acetic Acid Dihydrochloride
CAS:1000690-91-4
Cetirizine EP Impurity B (2HCl) Cetirizine Acetic
CTR02H

(RS)-2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]acetic acid ethyl ester
CAS:19178-83-7
Cetirizine EP Impurity B Ethyl Ester
CTR42

(RS)-2-Amino-4,5,6,7-tetrahydro-6-acetylaminobenzothiazole
Pramipexole N6-Acetyl Racemate
PMP66B

(RS)-2-Amino-4,5,6,7-tetrahydro-6-aminobenzothiazole
CAS:104617-49-4 106006-83-1
Pramipexole N6-Despropyl Racemate
PMP56B

(RS)-2-Amino-5,6-dihydro-6-(propylamino)-7(4H)-benzothiazolone
CAS:1286047-33-3
Pramipexole 7-Oxo Racemate (Base)
PMP31B

(RS)-2-Amino-5,6-dihydro-6-(propylamino)-7(4H)-benzothiazolone dihydrochloride
CAS:1432061-98-7
Pramipexole 7-Oxo Racemate (2HCl)
PMP31D

(RS)-2-Amino-5,6-dihydro-6-(propylamino)-7(4H)-benzothiazolone trihydrochloride
Pramipexole 7-Oxo Racemate (3HCl)
PMP31T

(rs)-2-chloro-3-(2-chloroethyl)-1,3,2-oxazaphosphinane 2-oxide
CAS:40722-73-4
Ifosfamide EP Impurity F
IFF06

(RS)-2-CHLORO-9-[3-(DIMETHYLAMINO)PROPYL]-9H-THIOXANTHEN-9-OL
CAS:4295-65-2
Chlorprothixene EP Impurity A
CPN01B

(RS)-2-CHLORO-N-(2-METHYLPHENYL)PROPANAMIDE
CAS:19281-31-3
Prilocaine EP Impurity A
PLC01

(RS)-2-Cyclohexyl-2-hydroxy-2-phenylacetic acid Phenylcyclohexylglycolic acid
CAS:4335-77-7
Oxybutynin EP Impurity D Oxybutynin USP RC A
OXB04

(RS)-2-Phenylbutanoic Acid
CAS:90-27-7
Butamirate Impurity B Butamirate Butyric Acid Imp
BTM02

(RS)-3-(4-Phenyl-1-piperazinyl)-1,2-propanediol
CAS:17692-31-8
Levodropropizine Racemate Dropropizine
LDZ51

(RS)-3-(Carbamoylmethyl)-5-methylhexanoic acid
CAS:181289-15-6
Pregabalin 3-Carbamoylmethyl Racemate
PRG46

(RS)-3-[(SR)-2-(4-Chlorophenyl)-2-cyclopentyl-2-hydroxyacetoxy]-1,1-dimethylpyrrolidin-1-ium
CAS:1404617-94-2
Glycopyrrolate EP Impurity I (Base) Glycopyrrolat
GPB09B

(RS)-3-[(SR)-2-(4-Chlorophenyl)-2-cyclopentyl-2-hydroxyacetoxy]-1,1-dimethylpyrrolidin-1-ium bromide
CAS:1404453-68-4
Glycopyrrolate EP Impurity I (Bromide) Glycopyrro
GPB09X

(RS)-3-Ethyl-3-methylpyrrolidine-2,5-dione
CAS:77-67-8
Ethosuximide
ETS00

(RS)-4-(2-Amino-1-methoxyethyl)benzene-1,2-diol
CAS:4/8/2947
Noradrenaline Methyl Ether Racemate (Base)
NRD54B

(RS)-4-(2-Amino-1-methoxyethyl)benzene-1,2-diol hydrochloride
CAS:1/2/3770
Noradrenaline Methyl Ether Racemate (HCl)
NRD54H

(RS)-4-(Aminomethyl)cyclohex-1-enecarboxylic acid
CAS:330838-52-3
Tranexamic Acid EP Impurity C (Base) Tranexamic A
TNX03B

(RS)-4-(AMINOMETHYL)CYCLOHEX-1-ENECARBOXYLIC ACID HCL
CAS:1803601-44-6
Tranexamic Acid EP Impurity C (HCl) Tranexamic Ac
TNX03H

(RS)-4-Hydroxy-N-(piperidin-2-ylmethyl)-2,5-bis(2,2,2-trifluoroethoxy)benzamide
CAS:152171-74-9
Flecainide EP Impurity C 4-Hydroxy Flecainide
FCN03

(RS)-5-(4-[2-(5-Ethylpyridin-2-yl)ethoxy]benzyl)thiazolidine-2,4-dione hydrochloride
CAS:112529-15-4
Pioglitazone HCl
PGT00H

(RS)-5-Methyl-1-oxo-6,7-dihydro-1H,5H-benzo-[i,j]quinolizine-2-carboxylic acid
CAS:42835-34-7
Flumequine EP Impurity A Defluoroflumequine
FLQ01

(RS)-6-Chloro-4-(cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one
CAS:177530-93-7
Efavirenz Racemate rac-Efavirenz
EFV80

(RS)-6-Fluoro-2-[(RS)-oxiran-2-yl]chroman Mixture of (R)-6-Fluoro-2-[(R)-oxiran-2-yl]chroman and its enantiomer
CAS:876514-31-7
Nebivolol USP RC C
NBV23M

(RS)-6-Fluoro-2-[(SR)-oxiran-2-yl]chroman Mixture of (R)-6-Fluoro-2-[(S)-oxiran-2-yl]chroman and its enantiomer
CAS:793669-26-8
Nebivolol USP RC D
NBV24M

(RS)-7-Hydroxy-5-methoxy-4-methyl-6-[2-(5-methyl-2-oxo-tetrahydro-furan-5-yl)-ethyl]-3H-isobenzofuranyl-1-one
CAS:26675-76-3
Mycophenolate Mofetil EP Impurity H Mycophenolate
MCP08

(RS)-7-Hydroxy-5-methoxy-4-methyl-6-[2-hydroxy-2-(5-methyl-2-oxo-tetrahydro-furan-5-yl)-ethyl]-3H-isobenzofuranyl-1-one
CAS:26644-06-4
Mycophenolic Hydroxy Lactone
MCP35

(RS)-9,10-Difluro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid (FPA)
CAS:82419-35-0
Ofloxacin EP Impurity A Ofloxacin Difluoro Carbox
OFX01

(RS)-9-Fluoro-10-[formyl[2-(formylmethylamino)ethyl]amino]-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid N,N�-Desethylene-N,N�-diformyl Ofloxacin
Ofloxacin Desethylene Diformyl Impurity
OFX36

(RS)-9-Fluoro-2,3-dihydro-3-methyl-10-(1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
CAS:82419-52-1
Ofloxacin EP Impurity E (Base) Ofloxacin USP RC A
OFX05B

(RS)-9-Fluoro-2,3-dihydro-3-methyl-10-(1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid HCl
CAS:402930-70-5
Ofloxacin EP Impurity E (HCl) Ofloxacin USP RC A
OFX05H

(RS)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine
CAS:123155-82-8
Ofloxacin EP Impurity B Ofloxacin Descarboxyl Imp
OFX02

(RS)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
CAS:82419-36-1
Ofloxacin
OFX00

(RS)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid N-oxide
CAS:104721-52-0
Ofloxacin EP Impurity F Ofloxacin N-Oxide
OFX06B

(RS)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid N-oxide acetate salt
CAS:1216511-73-7
Ofloxacin EP Impurity F (Acetate) Ofloxacin N-Oxi
OFX06A

(RS)-9-Fluoro-2,3-dihydro-3-methyl-10-[(2-methylamino)ethylamino]-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine hydrochloride
CAS:1797983-25-5
Ofloxacin Desethylene Impurity N,N�-Desethylene O
OFX35H

(RS)-9-Fluoro-5-methyl-1-oxo-6,7-dihydro-1H,5H-benzo[i,j]-quinolizine-2-carboxylic acid
CAS:42835-25-6
Flumequine
FLQ00

(RS)-N,3-Bis(2-Chloroethyl)-1,3,2-oxazaphosphinan-2-amine 2-Oxide
CAS:3778-73-2
Ifosfamide
IFF00

(RS)-N,N-Dimethyl-2-[(2-methylphenyl)phenylmethoxy]-ethanamine
CAS:83-98-7
Orphenadrine (Base)
OPD00B

(RS)-N,N-Dimethyl-2-[(2-methylphenyl)phenylmethoxy]-ethanamine citrate salt
CAS:4682-36-4
Orphenadrine Citrate
OPD00C

(RS)-N,N-Dimethyl-2-[(2-methylphenyl)phenylmethoxy]-ethanamine hydrochloride
CAS:341-69-5
Orphenadrine (HCl)
OPD00H

(RS)-N,N-Dimethyl-2-[(3-methylphenyl)phenylmethoxy]-ethanamine
CAS:21945-86-8
Orphenadrine EP Impurity E Orphenadrine USP RC E
OPD05B

(RS)-N,N-Dimethyl-2-[(4-methylphenyl)phenylmethoxy]-ethanamine
CAS:19804-27-4
Orphenadrine EP Impurity F (Base) Orphenadrine US
OPD06B

(RS)-N-(2,6-Dimethylphenyl)-1-methylpiperidine-2-carboxamide hydrochloride
CAS:1722-62-9
Mepivacaine HCl Ropivacaine EP Impurity C Racemat
MVC00H

(RS)-N-(2,6-DIMETHYLPHENYL)PIPERIDINE-2-CARBOXAMIDE
CAS:15883-20-2
Mepivacaine EP Impurity B (Base) Bupivacaine EP I
MVC02B

(RS)-N-(2,6-Dimethylphenyl)piperidine-2-carboxamide HCl
CAS:65797-42-4
Mepivacaine EP Impurity B (HCl) Bupivacaine EP Im
MVC02H

(RS)-N-(2-Methylphenyl)-2-(propylamino)propanamide
CAS:721-50-6
Prilocaine (Base)
PLC00B

(RS)-N-(2-Methylphenyl)-2-(propylamino)propanamide hydrochloride
CAS:1786-81-8
Prilocaine (HCl)
PLC00H

(RS)-N-(3-Methylphenyl)-2-(propylamino)propanamide
CAS:875252-65-6
Prilocaine EP Impurity D
PLC04B

(RS)-N-(3-Methylphenyl)-2-(propylamino)propanamide HCl
CAS:878791-35-6
Prilocaine EP Impurity D (HCl)
PLC04H

(RS)-N-(4-CHLORO-2,6-DIMETHYLPHENYL)-1-METHYLPIPERIDINE-2-CARBOXAMIDE
Mepivacaine EP Impurity E
MVC05

(RS)-N-(4-Methylphenyl)-2-(propylamino)propanamide
CAS:744961-76-0
Prilocaine EP Impurity E Prilocaine USP RC B 2-D
PLC05B

(RS)-N-(4-Methylphenyl)-2-(propylamino)propanamide HCl
CAS:35891-99-7
Prilocaine EP Impurity E (HCl) Prilocaine USP RC
PLC05H

(RS)-N-[4-Cyano-3-(trifluoromethyl)phenyl]-3-[(2-fluorophenyl) sulfonyl]-2-hydroxy-2-methyl-propanamide
CAS:1159977-36-2
Bicalutamide EP Impurity B Bicalutamide 2-Fluoro
BCL02

(RS)-N-[4-Cyano-3-(trifluoromethyl)phenyl]-3-[(3-fluorophenyl) sulfonyl]-2-hydroxy-2-methyl-propanamide
CAS:1166228-30-3
Bicalutamide USP RC B Bicalutamide 3-Fluoro Isome
BCL22

(RS)-N-[4-Cyano-3-(trifluoromethyl)phenyl]-3-[(4-fluorophenyl) sulfonyl]-2-hydroxy-2-methyl-propanamide
CAS:90357-06-5
Bicalutamide
BCL00

(RS)-N-[4-Cyano-3-(trifluoromethyl)phenyl]-3-[(4-fluorophenyl) sulfonyl]-2-methyl-propanamide
CAS:906008-94-4
Bicalutamide EP Impurity C Bicalutamide Deshydrox
BCL03

(RS)-N-[4-CYANO-3-(TRIFLUOROMETHYL)PHENYL]-3-PHENYL SULFONYL-2-HYDROXY-2-METHYL-PROPANAMIDE
CAS:90357-05-4
Bicalutamide EP Impurity A Desfluoro Bicalutamide
BCL01

(RS)-N-PHENYL-2-(PROPYLAMINO)PROPANAMIDE
CAS:42459-45-0
Prilocaine EP Impurity F
PLC06B

(RS)-Phenyl(pyridin-2-yl)acetonitrile
CAS:5005-36-7
Disopyramide EP Impurity D Pyronitrile
DPY04

(RS,Z)-3-(Chloro((2-hydroxy-3-(piperidin-1-yl)propoxy)imino)methyl)pyridine 1-oxide maleate
CAS:289893-24-9
Arimoclomol Racemate Maleate
AXX60M

(S)-((1E,3S,4R,5S,8R,9E,12S,14S)-8-Allyl-5-hydroxy-1-((1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl)-14-methoxy-14-((2R,3S,5R)-3-methoxy-5-methyl-6-oxo-tetrahydro-2H-pyran-2-yl)-2,4,10,12-tetramethyl-7-oxotetradeca-1,9-dien-3-yl) 1-formylpiperidine-2-carboxyla
Tacrolimus EP Impurity H Tacrolimus N-Formyl Impu
TCL08

(S)-((1S,7S,8S)-8-(2-((2R,4R)-4-Hydroxy-6-oxo-tetrahydro-2H-pyran-2-yl)ethyl)-7-methyl-3-methylene-1,2,3,7,8,8a-hexahydronaphthalen-1-yl) 2-methylbutanoate
CAS:121624-17-7
Lovastatin Impurity 2
LVS62

(S)-((2R,3S,4R,5R)-5-(4-Aminopyrrolo[1,2-f][1,2,4]triazin-7-yl)-5-cyano-3,4-dihydroxy-tetrahydrofuran-2-yl)methyl phenyl phosphoramidate
Remdesivir Desalanyl Impurity
RDV52

(S)-((2R,3S,6R,E)-8-formyl-1-((1S,3R,4R)-4-(2-Hydroxyethoxy)-3-methoxycyclohexyl)-2,6-dimethyl-5-oxonon-7-en-3-yl) 1-(2-((2R,3R,6S)-6-((2S,3E,5E,7E,9S,11R)-2,13-dimethoxy-3,9,11-trimethyl-12-oxotrideca-3,5,7-trienyl)-2-hydroxy-3-methyl-tetrahydro-2H-pyran
CAS:1708118-13-1
Everolimus Open-Ring Aldehyde Impurity Everolimus
EVR62

(S)-((2S,3R,4S,5S)-6-(Allyloxycarbonyl)-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-yl) 1-((S)-2-((S)-1-(allyloxy)-1-oxo-4-phenylbutan-2-ylamino)propanoyl)pyrrolidine-2-carboxylate
Enalaprilat Biallyloxy Acyl Glucuronide
EPX54

(S)-((2S,3S)-5-amino-1,6-diphenyl-2-((thiazol-5-ylmethoxy)carbonyl)hexan-3-yl) 2-(3-((2-isopropylthiazol-4-yl)methyl)-3-methylureido)-3-methylbutanoate
CAS:959315-21-0
Ritonavir O-Acyl Isomer (Base)
RTN52B

(S)-((2S,3S)-5-amino-1,6-diphenyl-2-((thiazol-5-ylmethoxy)carbonyl)hexan-3-yl) 2-(3-((2-isopropylthiazol-4-yl)methyl)-3-methylureido)-3-methylbutanoate hydrochloride
Ritonavir O-Acyl Isomer (HCl)
RTN52H

(S)-((7S,8S,10S)-7-(((R)-1-Phenylethyl)carbamoyl)-8-hydroxyhenicosan-10-yl) 2-formamido-4-methylpentanoate
Orlistat Carbamoyl Impurity Orlistat Amide Impuri
OLS74

(S)-((S)-1-((2S,3S)-3-Hexyl-4-oxooxetan-2-yl)tridecan-2-yl) 2-(dimethylamino)-4-methylpentanoate
Orlistat N-Desformyl N,N-Dimethyl Impurity
OLS73

(S)-((S)-1-((2S,3S)-3-Hexyl-4-oxooxetan-2-yl)tridecan-2-yl) 4-methyl-2-(methyl amino)pentanoate
Orlistat N-Desformyl N-Methyl Impurity
OLS43

(S)-((S,E)-Henicos-8-en-10-yl) 2-formamido-4-methylpentanoate
CAS:130676-63-0
Orlistat Open-Ring Anhydro Decarboxy Impurity Orl
OLS42

(S)-(+)-1-(3-Dimethylaminopropyl)-1-(4-fluoro-phenyl)-1,3-dihydro-isobenzofuran-5-carbonitrile oxalate
CAS:219861-08-2
Citalopram S-Isomer (Oxalate) EsCitalopram Oxalat
CTL14X

(S)-(+)-3-(1-NAPHTHOXY)-3-(2-THIENYL)-1-PROPYLAMINE
CAS:178273-35-3
Duloxetine N-Desmethyl (S)-Isomer N-Desmethyl Dul
DLX33B

(S)-(+)-3-(1-Naphthoxy)-3-(2-thienyl)-1-propylamine HCl
CAS:1798887-69-0
Duloxetine N-Desmethyl (S)-Isomer HCl N-Desmethyl
DLX33H

(S)-(+)-3-(1-Naphthoxy)-3-(2-thienyl)-1-propylamine oxalate
Duloxetine N-Desmethyl (S)-Isomer Oxalate N-Desme
DLX33X

(S)-(+)-3-(Aminomethyl)-5-methylhexanoic acid methyl ester HCl
CAS:714230-22-5
Pregabalin Methyl Ester (HCl)
PRG32H

(S)-(+)-3-(N-Methylaminomethyl)-5-methylhexanoic acid
CAS:1155843-61-0
Pregabalin N-Methyl Impurity
PRG33

(S)-(+)-N,N-DIMETHYL-3-(1-NAPHTHOXY)-3-(2-THIENYL)-1-PROPYLAMINE
CAS:132335-46-7
Duloxetine N-Methyl (S)-Isomer (Base) N-Methyl (S
DLX32B

(S)-(+)-N,N-Dimethyl-3-(1-naphthoxy)-3-(2-thienyl)-1-propylamine HCl
CAS:916135-70-1
Duloxetine N-Methyl (S)-Isomer (HCl) N-Methyl (S)
DLX32H

(S)-(+)-N,N-Dimethyl-3-(1-naphthoxy)-3-(2-thienyl)-1-propylamine oxalate
CAS:132335-47-8
Duloxetine N-Methyl (S)-Isomer Oxalate N-Methyl (
DLX32X

(S)-(-)-1-[2-[(4-Chlorophenyl)-phenyl-methoxy]ethyl]piperidine hydrochloride
CAS:220282-83-7
Levocloperastine D-Isomer (HCl) Dextrocloperatine
LCP00B

(S)-(-)-Methyl 2-(2-Chlorophenyl)-2-hydroxyacetate
CAS:32345-60-1
Clopidogrel Hydroxy Impurity 2-Chloromandelic Ac
CPG20

(S)-(-)-N,N-Dimethyl-3-hydroxy-3-(2-thienyl) propanamine
CAS:132335-44-5
Duloxetine Impurity 13 Duloxetine Dimethylaminopr
DLX73B

(S)-(4,5-DIMETHOXY-1,2-DIHYDROCYCLOBUTABENZEN-1-YL)-N-METHYLMETHANAMINE
CAS:866783-12-2
Ivabradine RC 6 (Base)
IVB66B

(S)-(4,5-Dimethoxy-1,2-dihydrocyclobutabenzen-1-yl)-N-methylmethanamine hydrochloride
CAS:866783-13-3
Ivabradine RC 6 (HCl)
IVB66H

(S)-(4-Chlorophenyl)(phenyl)methanol (S)-4-Chlorobenzhydrol
CAS:101402-04-4
Levocloperastine CBZ (S)-Isomer
LCP56S

(S)-(6-(Propylamino)-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)carbamic acid
Pramipexole N2-Formic Acid Impurity Pramipexole C
PMP50B

(S)-(7,8-Difluoro-3-methyl-2,3-dihydrobenzo[b][1,4]oxazin-4-yl)methanesulfonamide
Levofloxacin Impurity 14
LFX74

(S)-[(2R,4S,5R)-5-Ethenyl-1-azabicyclo[2.2.2]oct-2-yl](6-methoxyquinolin-4-yl)methanol
CAS:56-54-2
Quinine EP Impurity A Quinidine
QNN01B

(S)-[(2R,4S,5R)-5-Ethenyl-1-azabicyclo[2.2.2]oct-2-yl](quinolin-4-yl)methanol
CAS:118-10-5
Quinidine EP Impurity B Cinchonine
QND02

(S)-[(2R,4S,5R)-5-ethyl-1-azabicyclo[2.2.2]oct-2-yl](6-methoxyquinolin-4-yl)methanol
CAS:1435-55-8
Quinidine EP Impurity C Dihydroquinidine Hydroqu
QND03

(S)-[2,8-Bis(trifluoromethyl)quinolin-4-yl][(2R)-piperidin-2-yl]methanol
Mefloquine (S,R)-Isomer (Base) (S,R)-Mefloquine
MFQ53B

(S)-[2,8-Bis(trifluoromethyl)quinolin-4-yl][(2S)-piperidin-2-yl]methanol
CAS:51744-85-5
Mefloquine (S,S)-Isomer (Base) (S,S)-Mefloquine
MFQ54B

(S)-1,2,3,4,10,14b-Hexahydro-2-methyl-pyrazino[2,1-a]pyrido[2,3-c][2]benzazepine
CAS:61337-87-9
Mirtazapine (S)-Isomer
MTZ54

(S)-1,2,3,4-TETRAHYDROISOQUINOLINE-3-CARBOXYLIC ACID
CAS:74163-81-8
Quinapril EP Impurity A Quinapril Bicyclic Acid
QPR01

(S)-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic Acid Benzyl Ester HCl
CAS:103733-30-8
Quinapril Bicyclic Acid Benzyl Ester
QPR32

(S)-1-((2R,3S)-5-Chloro-3-(2-chlorophenyl)-1-(3,4-dimethoxyphenylsulfonyl)-3-hydroxyindoline-2-carbonyl)pyrrolidine-2-carboxamide
CAS:150375-75-0
Relcovaptan
RCV00

(S)-1-((R)-3-Bromo-2-methylpropanoyl)pyrrolidine-2-carboxylic acid
CAS:80629-36-3
Captopril RC 11
CPR61

(S)-1-((R)-3-HYDROXY-2-METHYLPROPANOYL)PYRROLIDINE-2-CARBOXYLIC ACID
CAS:613256-52-3
Captopril RC 12
CPR62

(S)-1-((S)-2-(((2R,3R,4S,5S)-6-carboxy-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-yl)((S)-1-carboxy-3-phenylpropyl)amino)propanoyl)pyrrolidine-2-carboxylic acid
Enalaprilat N-Glucuronide
EPX56

(S)-1-((S)-2-((S)-1-((2S,3R,4S,5S)-6-Carboxy-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-yloxy)-1-oxo-4-phenylbutan-2-ylamino)propanoyl)pyrrolidine-2-carboxylic acid
Enalaprilat 1-Acyl Glucuronide
EPX51

(S)-1-((S)-2-((S)-1-(Benzyloxy)-1-oxo-4-phenylbutan-2-ylamino)propanoyl)pyrrolidine-2-carboxylic acid
CAS:76391-33-8
Enalaprilat benzyl ester
EPX53

(S)-1-((S)-2-((S)-1-Carboxy-3-phenylpropylamino)-6-(carboxymethylamino)hexanoyl)pyrrolidine-2-carboxylic acid ammonium salt
Lisinopril N-Carboxymethyl (Ammonium Salt)
LSN50N

(S)-1-((S)-2-((S)-1-Carboxy-3-phenylpropylamino)-6-(carboxymethylamino)hexanoyl)pyrrolidine-2-carboxylic acid ammonium salt
CAS:92122-26-4
Lisinopril N-Carboxymethyl (Acid)
LSN50A

(S)-1-((S)-2-((S)-1-Carboxy-3-phenylpropylamino)propanoyl)pyrrolidine-2-carboxylic acid
CAS:76420-72-9
Enalaprilat Enalapril EP Impurity C
EPX00A

(S)-1-((S)-2-((S)-1-Carboxy-3-phenylpropylamino)propanoyl)pyrrolidine-2-carboxylic acid dihydrate
CAS:84680-54-6
Enalaprilat Dihydrate Enalapril EP Impurity C (Di
EPX00D

(S)-1-((S)-2-((S)-1-Oxo-1-phenethoxy-4-phenylbutan-2-ylamino)propanoyl)pyrrolidine-2-carboxylic acid
Enalaprilat Phenylethyl Ester
EPX57

(S)-1-((S)-3-(1-Ethyl-2,5-dioxopyrrolidin-3-ylthio)-2-methylpropanoyl)pyrrolidine-2-carboxylic acid
CAS:185804-96-0
Captopril RC 2
CPR52

(S)-1-((S)-3-(2-((R)-2-Acetamido-2-carboxyethyl)disulfanyl)-2-methylpropanoyl)pyrrolidine-2-carboxylic acid
CAS:78636-31-4
Captopril RC 3
CPR53

(S)-1-((S)-3-(2-((R)-2-Amino-2-carboxyethyl)disulfanyl)-2-methylpropanoyl)pyrrolidine-2-carboxylic acid
CAS:75479-46-8
Captopril RC 4 Captopril-Cysteine Disulfide
CPR54

(S)-1-((S)-3-(Benzoylthio)-2-methylpropanoyl)pyrrolidine-2-carboxylic acid
CAS:75107-57-2
Captopril RC 9
CPR59

(S)-1-(1-PHENYLETHYL)-1H-IMIDAZOLE-5-CARBOXYLIC ACID
CAS:56649-49-1
Etomidate Acid S-Isomer Etomidate S-Isomer O-Dese
EDT62

(S)-1-(2-(2-Hydroxy-3-(propylamino)propoxy)phenyl)-3-phenylpropan-1-one
CAS:107381-32-8
Propafenone (S)-Isomer
PRP57

(S)-1-(2-CHLOROACETYL)PYRROLIDINE-2-CARBOXAMIDE
CAS:214398-99-9
Vildagliptin Chloroacetyl Amide (S)-Isomer
VDG54

(S)-1-(2-Chloroacetyl)pyrrolidine-2-carboxylic acid methyl ester
CAS:38074-72-5
Vildagliptin Chloroacetyl Methyl Ester Vildaglipt
VDG74

(S)-1-(2-HYDROXYACETYL)PYRROLIDINE-2-CARBOXAMIDE
CAS:96166-39-1
Vildagliptin Hydroxyacetyl Amide (S)-Isomer
VDG60

(S)-1-(3-(4-Amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidin-1-yl)-3-chloropropan-1-one
Ibrutinib Impurity 17
IBT67

(S)-1-(3-(4-Amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidin-1-yl)ethanone
Ibrutinib Impurity 19
IBT69

(S)-1-(3-(Methylamino)-1-(thiophen-2-yl)propyl)naphthalen-2-ol
CAS:1346617-32-0
Duloxetine 2-Naphthalenol (S)-Isomer
DLX82

(S)-1-(3-{[ETHYL(METHYL)CARBAMOYL]OXY}PHENYL)-N,N,N-TRIMETHYLETHANAMINIUM CHLORIDE
CAS:1800020-46-5 (Base)
Rivastigmine USP RC E N-Methyl Rivastigmine Chlor
RVS25

(S)-1-(3-Chloro-2-methylpropyl)-4-tert-pentylbenzene
CAS:143783-76-0
Amorolfine Chloro S-Isomer
AMR55

(S)-1-(3-CHLOROPHENYL)-2-HYDROXY-1-PROPANONE
CAS:287477-53-6
Bupropion (S)-Hydroxy Propanone Impurity
BPP43

(S)-1-(3-Dimethylaminopropyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzo furan-5-carbonitrile N-oxide
CAS:917482-45-2
EsCitalopram N-Oxide
ECT58B

(S)-1-(3-Dimethylaminopropyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzo furan-5-carbonitrile N-oxide HCl
EsCitalopram N-Oxide (HCl)
ECT58H

(S)-1-(3-ETHOXY-4-METHOXYPHENYL)-2-(METHYLSULFONYL)ETHANAMINE
CAS:608141-42-0
Apremilast EP Impurity H (S)-Isomer Apremilast Su
APM58

(S)-1-(3-Hydroxy-2-methylpropyl)-4-tert-pentylbenzene
CAS:1456707-65-5
Amorolfine Hydroxy S-Isomer
AMR57

(S)-1-(4'-Fluorophenyl)-1-(3-(methylamino)propyl)-1,3-dihydroisobenzo furan-5-carbonitrile
CAS:144025-14-9
EsCitalopram N-Desmethyl (Base) N-Desmethyl (S)-C
ECT54B

(S)-1-(4'-Fluorophenyl)-1-(3-(methylamino)propyl)-1,3-dihydroisobenzo furan-5-carbonitrile
CAS:144025-14-9
Citalopram N-Desmethyl (S)-Isomer (Base) N-Desmet
CTL54B

(S)-1-(4'-Fluorophenyl)-1-(3-(methylamino)propyl)-1,3-dihydroisobenzo furan-5-carbonitrile hydrochloride
Citalopram N-Desmethyl (S)-Isomer HCl EsCitalopra
CTL54H

(S)-1-(4'-Fluorophenyl)-1-(3-(methylamino)propyl)-1,3-dihydroisobenzo furan-5-carbonitrile hydrochloride
EsCitalopram N-Desmethyl (HCl) N-Desmethyl (S)-Ci
ECT54H

(S)-1-(4'-Fluorophenyl)-1-(3-(methylamino)propyl)-1,3-dihydroisobenzo furan-5-carbonitrile oxalate
EsCitalopram N-Desmethyl (Oxalate) N-Desmethyl (S
ECT54X

(S)-1-(4'-Fluorophenyl)-1-(3-(methylamino)propyl)-1,3-dihydroisobenzo furan-5-carbonitrile oxalate
Citalopram N-Desmethyl (S)-Isomer Oxalate EsCital
CTL54X

(S)-1-(4-(2-(Cyclopropylmethoxy)ethyl)phenoxy)-3-(isopropylamino)propan-2-ol
CAS:93221-48-8
Betaxolol (S)-Isomer
BTX52B

(S)-1-(4-(2-(CYCLOPROPYLMETHOXY)ETHYL)PHENOXY)-3-(ISOPROPYLAMINO)PROPAN-2-OL HYDROCHLORIDE
CAS:116209-55-3
Betaxolol (S)-Isomer (HCl)
BTX52H

(S)-1-(4-(2-Hydroxyethyl)phenoxy)-3-(isopropylamino)propan-2-ol
CAS:131564-69-7
Betaxolol RC 1
BTX61B

(S)-1-(6-AMINO-9H-PURIN-9-YL)PROPAN-2-OL
CAS:14047-27-9
Tenofovir (S)-Propanol Impurity
TNF61B

(S)-1-(Benzyloxy)-3-(biphenyl-4-yl)propan-2-ol
CAS:1932671-20-9
Sacubitril AHU-73
SCT65

(S)-1-(CHLOROACETYL)-2-PYRROLIDINECARBONITRILE
CAS:207557-35-5
Vildagliptin Chloroacetyl Nitrile (S)-Isomer
VDG53

(S)-1-(tert-Butylamino)-3-(2-cyclopentenylphenoxy)propan-2-ol
CAS:112160-87-9
Penbutolol EP Impurity A
PBT01B

(S)-1-[(1,1-DIMETHYLETHYL)AMINO]-3-[[4-[(2-HYDROXYETHYL)AMINO]-1,2,5-THIADIAZOL-3-YL]OXY]-2-PROPANOL
CAS:75014-26-5
Timolol Impurity 9
TML59

(S)-1-[2-[(4-Chlorophenyl)phenylmethoxy]ethyl]piperidine
CAS:132301-89-4
Cloperastine D-Isomer (Base) D-Cloperastine Dext
CPS60B

(S)-1-[2-[(4-Chlorophenyl)phenylmethoxy]ethyl]piperidine fendizoate
Cloperastine D-Isomer (Fendizoate) D-Cloperastine
CPS60F

(S)-1-ACETAMIDO-3-CHLOROPROPAN-2-YL ACETATE
CAS:183905-31-9
Linezolid RC 4
LNZ64

(S)-1-AZIDO-3-(N-(3-FLUORO-4-MORPHOLINOPHENYL)ACETAMIDO)PROPAN-2-YL ACETATE
Linezolid N,O-Diacetyl Azido Impurity
LNZ42

(S)-1-BUTYL-N-(2,6-DIMETHYLPHENYL)PIPERIDINE-2-CARBOXAMIDE
CAS:27262-47-1
Ropivacaine EP Impurity A (Base) Levobupivacaine
RPV01B

(S)-1-Butyl-N-(2,6-dimethylphenyl)piperidine-2-carboxamide HCl
CAS:27262-48-2
Ropivacaine EP Impurity A (HCl) Levobupivacaine H
RPV01H

(S)-1-CHLORO-3-((3-FLUORO-4-MORPHOLINOPHENYL)AMINO)PROPAN-2-OL
CAS:1610690-08-8
Linezolid Chlorohydrin Impurity
LNZ43

(S)-1-Isopropylamino-3-[4-(2-propoxyethoxymethyl) phenoxy] propan-2-ol
CAS:539823-42-2
Bisoprolol EP Impurity B (S)-Isomer (S)-Bisoprolo
BSP62B

(S)-1-PHENYL-1,2,3,4-TETRAHYDROISOQUINOLINE
CAS:118864-75-8
Solifenacin EP Impurity A Solifenacin Phenyl Tetr
SLF01B

(S)-1-PHENYL-3,4-DIHYDROISOQUINOLINE-2(1H)-CARBONYL CHLORIDE
CAS:1195949-26-8
Solifenacin Impurity 9
SLF69

(S)-1-TERT-BUTYL 2-ETHYL 2,3-DIHYDROPYRROLE-1,2-DICARBOXYLATE
CAS:178172-26-4
Captopril RC 10
CPR60

(S)-10-(1-Aminocyclopropyl)-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
Pazufloxacin Impurity 6 Desfluoro Pazufloxacin
PZF56

(S)-10-(1-Aminocyclopropyl)-9-fluoro-3-methyl-2,3-dihydro-[1,4]oxazino[2,3,4-ij]quinolin-7-one
CAS:777824-29-0
Pazufloxacin Impurity 5
PZF55

(S)-10-(1-Aminocyclopropyl)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid mesylate
CAS:163680-77-1
Pazufloxacin Mesylate S-Pazufloxacin Mesylate
PZF00M

(S)-10-(1-Aminocyclopropyl)-9-fluoro-6-hydroxy-3-methyl-2,3-dihydro-[1,4]oxazino[2,3,4-ij]quinolin-7-one
CAS:171567-48-9
Pazufloxacin Impurity 12 6-Hydroxy Pazufloxacin
PZF62

(S)-10-(1-Aminocyclopropyl)-9-hydroxy-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
Pazufloxacin Impurity 8 9-Hydroxy Pazulfoxacin
PZF58

(S)-10-(1-CARBAMOYLCYCLOPROPYL)-9-FLUORO-3-METHYL-7-OXO-3,7-DIHYDRO-2H-[1,4]OXAZINO[2,3,4-IJ]QUINOLINE-6-CARBOXYLIC ACID
Pazufloxacin Impurity 4
PZF54

(S)-10-(1-Carboxycyclopropyl)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
Pazufloxacin Impurity 3
PZF53

(S)-10-(1-Cyanocyclopropyl)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
Pazufloxacin Impurity 2
PZF52

(S)-10-(2,4,5-Trifluorobenzyl)-3-(trifluoromethyl)-9,10-dihydro-5H-[1,2,4]triazolo[3',4'3,4]pyrazino[1,2-a]pyrimidin-8(6H)-one
Sitagliptin M2 Dehydro S-Isomer
SGT49B

(S)-10-(2-(tert-Butoxycarbonyl)ethylamino)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
Levofloxacin Impurity 6
LFX66

(S)-10-(2-Aminoethylamino)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
CAS:1797510-34-9
Levofloxacin Desethylene N-Desmethyl Impurity (Bas
LFX69B

(S)-10-(2-Aminoethylamino)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid hydrochloride
CAS:1797099-76-3
Levofloxacin Desethylene N-Desmethyl Impurity (HCl
LFX69H

(S)-10-(4-(tert-Butoxycarbonyl)piperazin-1-yl)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
CAS:1330277-19-4
Levofloxacin Impurity 7
LFX67

(S)-10-(4-Ethylpiperazin-1-yl)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
CAS:106939-30-4
Levofloxacin Impurity 19 N-Ethyl Levofloxacin
LFX79

(S)-10-(CYANOMETHYL)-9-FLUORO-3-METHYL-7-OXO-3,7-DIHYDRO-2H-[1,4]OXAZINO[2,3,4-IJ]QUINOLINE-6-CARBOXYLIC ACID
CAS:176760-98-8
Pazufloxacin Impurity 17 10-Cyanomethyl Pazufloxa
PZF67

(S)-10-[(Dimethylamino)methyl]-4-ethyl-4,9-dihydroxy-8-methoxy-1H-pyrano [3',4'6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione
Topotecan USP RC A 8-Methoxy Topotecan
TTC21

(S)-10-Cyano-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
Pazufloxacin Impurity 14 10-Cyano Pazufloxacin
PZF64

(S)-11-Ethyl-4-hydroxy-4-methyl-3,14-dioxo-3,4,12,14-tetrahydro-1H-pyrano [3',4'6,7]indolizino[1,2-b]quinoline-9-yl (1,4'-bipiperidine)- 1'-carboxylate
CAS:1608617-71-5
Irinotecan EP Impurity H (Base) Irinotecan 4-Meth
ITC08B

(S)-11-Ethyl-4-hydroxy-4-methyl-3,14-dioxo-3,4,12,14-tetrahydro-1H-pyrano [3',4'6,7]indolizino[1,2-b]quinoline-9-yl (1,4'-bipiperidine)- 1'-carboxylate hydrochloride
CAS:1608463-33-7
Irinotecan EP Impurity H (HCl) Irinotecan HCl 4-Me
ITC08H

(S)-2,2,4-TRIMETHYLPYRROLIDINE HYDROCHLORIDE
CAS:1897428-40-8
Elexacaftor RC 9
ELX59

(S)-2,2-DIPHENYL-2-(PYRROLIDIN-3-YL)ACETIC ACID
Darifenacin Pyrrolidine Carboxylic Acid Impurity
DRF55

(S)-2-(((2'-(1H-TETRAZOL-5-YL)-[1,1'-BIPHENYL]-4-YL)METHYL)(NITROSO)AMINO)-3-METHYLBUTANOIC ACID
CAS:2254485-68-0
Valsartan N-Nitroso Analog
VST57

(S)-2-(((3-Methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl)methyl)sulfinyl)-1H-benzimidazole
CAS:138530-95-7
Dexlansoprazole Impurity 8 Lansoprazole S-Isomer
DLP58

(S)-2-(((3-Methyl-4-nitropyridin-2-yl)methyl)sulfinyl)-1H-benzimidazole
Dexlansoprazole Impurity 7 Dexlansoprazole 4-Nitr
DLP57

(S)-2-(((S)-(((2R,3S,4R,5R)-5-(4-Aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-cyano-3,4-dihydroxy tetrahydrofuran-2-yl)methoxy)(phenoxy)phosphoryl)amino)propanoic acid
Remdesivir Carboxylic Acid
RDV51

(S)-2-(((S)-(((2R,3S,4R,5R)-5-(4-Aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-cyano-3,4-dihydroxytetrahydrofuran-2-yl)methoxy)(phenoxy)phosphoryl)amino)propanoic acid N-oxide
Remdesivir Carboxylic Acid N-Oxide
RDV53

(S)-2-((1R,2S,5S)-3-((S)-3,3-Dimethyl-2-(2,2,2-trifluoroacetamido)butanoyl)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxamido)-3-((S)-2-oxopyrrolidin-3-yl)propanoic Acid
Nirmatrelvir Acid
NMT51A

(S)-2-((1R,2S,5S)-3-((S)-3,3-Dimethyl-2-(2,2,2-trifluoroacetamido)butanoyl)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxamido)-3-((S)-2-oxopyrrolidin-3-yl)propanoic acid ethyl ester
Nirmatrelvir Acid Ethyl Ester
NMT57

(S)-2-((2-AMINO-2-OXOETHYL)(2-(3,5-DIOXOPIPERAZIN-1-YL)PROPYL)AMINO)ACETIC ACID
CAS:120418-76-0
Dexrazoxane RC 1
DRZ61A

(S)-2-((2S,5S,8S,11S)-5-Benzyl-8-isobutyl-14-morpholino-4,7,10,13-tetraoxo-2,11-diphenethyl-3,6,9,12-tetraazatetradecanamido)-4-methyl-N-((S)-1-(((S)-3-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxobutan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)pentanamide
Carfilzomib Dimer-1
CZM70

(S)-2-((4-(5-((2-Chlorothiophene-5-carboxamido)methyl)-2-oxooxazolidin-3-yl)phenyl)(2-hydroxyethyl)amino)-2-oxoacetic acid
CAS:1160169-98-1
Rivaroxaban OAA Impurity
RVR40

(S)-2-((4-Methoxybenzyloxy)methyl)oxirane
CAS:144069-33-0
Timolol Impurity 6
TML56

(S)-2-((Hydroxy(((2-(2-hydroxypropan-2-yl)thiazol-4-yl)methyl)(methyl)amino) methylene)amino)-N-((2R,5R)-5-((hydroxy(thiazol-5-ylmethoxy)methylene)amino)-1,6-diphenylhexan-2-yl)-4-morpholinobutanimidic acid
CAS:1051463-40-1
Cobicistat Hydroxy Impurity
CBC53

(S)-2-((NAPHTHALEN-1-YLOXY)METHYL)OXIRANE
CAS:61249-00-1
Naftopidil RC 6
NFP66

(S)-2-((R)-1-(3,5-BIS(TRIFLUOROMETHYL)PHENYL)ETHOXY)-4-BENZYLMORPHOLIN-3-ONE
CAS:327623-36-9
Argatroban RC 2
ATB62

(S)-2-((R)-4-Oxo-4-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-1-(2,4,5-trifluorophenyl)butan-2-ylamino)-2-phenylacetamide
CAS:769195-20-2
Sitagliptin Impurity 5 (Base)
SGT65B

(S)-2-((S)-1-((S)-2-(tert-Butoxycarbonyl)pyrrolidin-1-yl)-1-oxopropan-2-ylamino)-4-phenylbutanoic acid
CAS:674796-29-3
Enalaprilat t-Butyl Ester
EPX58

(S)-2-((S)-1-Carboxyethylamino)-4-phenylbutanoic acid
CAS:84023-58-5
Enalaprilat EP Impurity A (S,S)-Isomer
EPX61

(S)-2-((S)-2-(((S)-1-Ethoxy-1-oxo-4-phenylbutan-2-yl)(nitroso)amino)propanoyl)-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid
CAS:1026879-47-9
Moexipril N-Nitroso Impurity
MXP48

(S)-2-((S)-2-((S)-1-ETHOXY-1-OXO-4-PHENYLBUTAN-2-YLAMINO)PROPANOYL)-1,2,3,4-TETRAHYDROISOQUINOLINE-3-CARBOXYLIC ACID
CAS:41234-43-9
Quinapril RC 2 (Base)
QPR62B

(S)-2-((S)-2-((S)-1-Ethoxy-1-oxo-4-phenylbutan-2-ylamino)propanoyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid hydrochloride
CAS:57980-74-2
Quinapril RC 2 (HCl)
QPR62H

(S)-2-((S)-4-METHYL-2-((S)-2-(2-MORPHOLINOACETAMIDO)-4-PHENYLBUTANAMIDO)PENTANAMIDO)-3-PHENYLPROPANOIC ACID
CAS:868540-16-3
Carfilzomib 3-Phenylpropanoic Acid
CZM69

(S)-2-(1,6,7,8-TETRAHYDRO-2H-INDENO[5,4-B]FURAN-8-YL)ETHYLAMINE
CAS:196597-81-6
Ramelteon Despropionyl Impurity (Base)
RMT50B

(S)-2-(1,6,7,8-TETRAHYDRO-2H-INDENO[5,4-B]FURAN-8-YL)ETHYLAMINE HYDROCHLORIDE
CAS:196597-80-5
Ramelteon Despropionyl Impurity (HCl)
RMT50H

(S)-2-(1-(2-(2,3-Dihydrobenzofuran-5-yl)ethyl)pyrrolidin-3-yl)-2,2-diphenylacetic acid
CAS:1048979-16-3
Darifenacin Carboxylic Acid Impurity (Base)
DRF51B

(S)-2-(1-(2-(2,3-Dihydrobenzofuran-5-yl)ethyl)pyrrolidin-3-yl)-2,2-diphenylacetic acid hydrobromide
Darifenacin Carboxylic Acid Impurity (HBr)
DRF51H

(S)-2-(1-(2-(7-Bromo-2,3-dihydrobenzofuran-5-yl)ethyl)pyrrolidin-3-yl)-2,2-diphenylacetamide
CAS:1391080-43-5
Darifenacin 7-Bromo Analog
DRF57

(S)-2-(1-(3-(2-BROMOETHYL)-4-HYDROXYPHENETHYL)PYRROLIDIN-3-YL)-2,2-DIPHENYLACETAMIDE
CAS:2468796-89-4
Darifenacin 4-Hydroxy Impurity (Base)
DRF44B

(S)-2-(1-(3-(2-BROMOETHYL)-4-HYDROXYPHENETHYL)PYRROLIDIN-3-YL)-2,2-DIPHENYLACETAMIDE HYDROBROMIDE
CAS:2468796-90-7
Darifenacin 4-Hydroxy Impurity (HBr)
DRF44H

(S)-2-(1-Carboxy-2-methoxy-2,2-diphenylethoxy)-4,6-dimethylpyrimidine 1-Oxide
Ambrisentan N-Oxide
ABS70

(S)-2-(2,3,5,6-Tetrahydroimidazo[2,1-b]thiazol-6-yl)phenol
CAS:1292908-42-9
Levamisole 2-Hydroxy Impurity
LVM52

(S)-2-(2,6-Dioxopiperidin-3-yl)isoindoline-1,3-dione
CAS:841-67-8
Thalidomide (S)-Isomer
TLD52

(S)-2-(2-(2-Chloro-N-(4-(5-((1,3-dioxoisoindolin-2-yl)methyl)-2-oxooxazolidin-3-yl)phenyl)thiophene-5-carboxamido)ethoxy)acetic acid
Rivaroxaban Impurity 28
RVR88

(S)-2-(2-(2-Chloro-N-(4-(5-((2-chlorothiophene-5-carboxamido)methyl)-2-oxooxazolidin-3-yl)phenyl)thiophene-5-carboxamido)ethoxy)-n-methyl-acetamide
CAS:1807455-76-0
Rivaroxaban Open-Ring N-Methyl Impurity
RVR35

(S)-2-(2-(2-Chloro-N-(4-(5-((2-chlorothiophene-5-carboxamido)methyl)-2-oxooxazolidin-3-yl)phenyl)thiophene-5-carboxamido)ethoxy)acetic acid
CAS:1151893-81-0
Rivaroxaban EP Impurity I
RVR09

(S)-2-(2-(4-(5-((2-Chlorothiophene-5-carboxamido)methyl)-2-oxooxazolidin-3-yl)phenylamino)ethoxy)acetic acid
CAS:931204-39-6
Rivaroxaban Open-Ring Acid (Base) Rivaroxaban Ace
RVR33B

(S)-2-(2-(4-(5-((2-Chlorothiophene-5-carboxamido)methyl)-2-oxooxazolidin-3-yl)phenylamino)ethoxy)acetic acid HCl
CAS:931117-61-2
Rivaroxaban Open-Ring Acid (HCl) Rivaroxaban Acet
RVR33H

(S)-2-(2-(4-(5-(Aminomethyl)-2-oxooxazolidin-3-yl)phenylamino)ethoxy)acetic acid
CAS:2206135-27-3
Rivaroxaban Aminomethyl Acetic Acid
RVR54B

(S)-2-(2-(4-(5-(Aminomethyl)-2-oxooxazolidin-3-yl)phenylamino)ethoxy)acetic acid hydrochloride
CAS:2206135-28-4
Rivaroxaban Aminomethyl Acetic Acid (HCl)
RVR54H

(S)-2-(2-(BENZOFURAN-6-CARBONYL)-1,2,3,4-TETRAHYDROISOQUINOLINE-6-CARBOXAMIDO)-3-(3-(METHYLSULFONYL)PHENYL)PROPANOIC ACID
CAS:2295862-00-7
Lifitegrast RC 12 Dideschloro Lifitegrast Lifite
LGS72A

(S)-2-(2-(BENZOFURAN-6-CARBONYL)-5,7-DICHLORO-1,2,3,4-TETRAHYDROISOQUINOLINE-6-CARBOXAMIDO)-3-(3-(METHYLSULFONYL)PHENYL)PROPANOIC ACID
CAS:1025967-78-5
Lifitegrast
LGS00A

(S)-2-(2-(Oxiran-2-ylmethoxy)phenyl)-2-phenethyl-1,3-dioxolane
CAS:189766-50-5
Propafenone RC 3
PRP63

(S)-2-(2-ACETYL-5,7-DICHLORO-1,2,3,4-TETRAHYDROISOQUINOLINE-6-CARBOXAMIDO)-3-(3-(METHYLSULFONYL)PHENYL)PROPANOIC ACID
Lifitegrast RC 11 Lifitegrast Impurity B
LGS71A

(S)-2-(2-AMINO-5-CHLOROPHENYL)-4-CYCLOPROPYL-1,1,1-TRIFLUOROBUT-3-YN-2-OL
CAS:209414-27-7
Efavirenz IP Impurity E Efavirenz USP RC A Efavi
EFV55

(S)-2-(2-Aminothiazol-4-yl)-N-(4-(2-(2-hydroxy-2-phenylethylamino)ethyl)phenyl)acetamide
CAS:1796931-48-0
Mirabegron (S)-Isomer
MRB70B

(S)-2-(2-Hydroxy-1-phenylethylamino)acetic acid
CAS:924012-02-2
Eliglustat Impurity 3
EGS63

(S)-2-(2-Hydroxy-3-(4-(3-oxomorpholino)phenylamino)propyl)isoindoline-1,3-dione
CAS:1369969-44-7
Rivaroxaban Impurity 30
RVR90

(S)-2-(2-Hydroxy-3-(4-morpholino-1,2,5-thiadiazol-3-yloxy)propylamino)-2-methylpropan-1-ol
CAS:1227468-61-2
Timolol Impurity 4
TML54

(S)-2-(2-HYDROXYMETHYL-1-PYRROLIDINYL)-4-(3-CHLORO-4-METHOXYBENZYLAMINO)-5-[(2-PYRIMIDINYLMETHYL)CARBAMOYL]PYRIMIDINE
CAS:330784-47-9
Avanafil
AVF00

(S)-2-(2-OXOPYRROLIDIN-1-YL)BUTANAMIDE
CAS:102767-28-2
Levetiracetam
LET00

(S)-2-(3-(3-Fluorobenzyl)-4-(3-fluorobenzyloxy)benzylamino)propanamide
CAS:1000370-27-3
Safinamide 3-Fluorobenzyl
SFN51

(S)-2-(3-Hydroxy-4-methoxyphenyl)-5-methoxy-7-((2S,3S,4S,5S)-3,4,5-trihydroxy-6-(((2R,4S,5R)-3,4,5-trihydroxy-6-methyl-tetrahydro-2H-pyran-2-yloxy)methyl)-tetrahydro-2H-pyran-2-yloxy)-2,3-dihydrochromen-4-one
CAS:11013-97-1
Hesperidin Methyl Impurity
HSP52

(S)-2-(3-Pyrrolidinyl)-2,2-diphenyl-N,N-bis[2-(2,3-dihydrobenzfuran-5-yl)ethyl]acetamide
Darifenacin Dimer-1 Impurity
DRF35

(S)-2-(3-Pyrrolidinyl)-2,2-diphenyl-N-[2-(2,3-dihydrobenzfuran-5-yl)ethyl] acetamide
Darifenacin DBE Isomer
DRF46

(S)-2-(3-Pyrrolidinyl)-2,2-diphenylacetamide
CAS:134002-25-8
Darifenacin Pyrrolidine S-Isomer (Base)
DRF38B

(S)-2-(3-Pyrrolidinyl)-2,2-diphenylacetamide L-tartrate
CAS:134002-26-9
Darifenacin Pyrrolidine S-Isomer L-Tartrate
DRF38T

(S)-2-(4-((((6RS)-2-Amino-5-methyl-4-oxo-3,4,5,6,7,8-hexahydropteridin-6-yl)methyl)amino)benzamido)pentanedioic acid
CAS:134-35-0
Folic Acid Tetrahydro N5-Methyl (Acid) N5-Methyl
FCD51A

(S)-2-(4-((((6RS)-2-Amino-5-methyl-4-oxo-3,4,5,6,7,8-hexahydropteridin-6-yl)methyl)amino)benzamido)pentanedioic acid calcium salt
CAS:26560-38-3
Folic Acid Tetrahydro N5-Methyl (Calcium) Calcium
FCD51C

(S)-2-(4-((((6S)-2-Amino-5-methyl-4-oxo-3,4,5,6,7,8-hexahydropteridin-6-yl)methyl)amino)benzamido)pentanedioic acid
CAS:31690-09-2
Folic Acid Tetrahydro N5-Methyl (6S)-Isomer (Acid)
FCD52A

(S)-2-(4-((((6S)-2-Amino-5-methyl-4-oxo-3,4,5,6,7,8-hexahydropteridin-6-yl)methyl)amino)benzamido)pentanedioic acid calcium salt
CAS:151533-22-1
Folic Acid Tetrahydro N5-Methyl (6S)-Isomer (Calci
FCD52C

(S)-2-(4-(((2,4-DIAMINOPTERIDIN-6-YL)METHYL)(METHYL)AMINO)BENZAMIDO)-5-(DIMETHYLAMINO)-5-OXOPENTANOIC ACID
CAS:71074-44-7
Methotrexate Dimethylamide
MTX53

(S)-2-(4-(((R)-2-Amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methylamino)benzamido)pentanedioic acid
CAS:73951-54-9
Levofolinate EP Impurity H
LFL08A

(S)-2-(4-(((R)-2-Amino-8-methyl-4,9-dioxo-6,7,8,9-tetrahydro-4H-pyrazino[1,2-a][1,3,5]triazin-7-yl)methylamino)benzamido)pentanedioic acid
Levomefolate RC 2
LVF62A

(S)-2-(4-(((S)-2-Amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methylamino)benzamido)pentanedioic acid
CAS:68538-85-2
Levofolinic Acid
LFL00A

(S)-2-(4-(((S)-2-Amino-5-methyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methylamino)benzamido)pentanedioic acid
CAS:31690-09-2
Levomefolate (Acid) Levomefolic Acid
LVF00A

(S)-2-(4-(((S)-2-Amino-8-methyl-4,9-dioxo-6,7,8,9-tetrahydro-4H-pyrazino[1,2-a][1,3,5]triazin-7-yl)methylamino)benzamido)pentanedioic acid
Levomefolate RC 1
LVF61A

(S)-2-(4-((2-Amino-4-oxo-1,4,7,8-tetrahydropteridin-6-yl)methylamino)benzamido)pentanedioic acid
CAS:4033-27-6
Levofolinate EP Impurity G Folic Acid 7,8-Dihydro
LFL07A

(S)-2-(4-((2-Amino-4-oxo-1,4,7,8-tetrahydropteridin-6-yl)methylamino)benzamido)pentanedioic acid
CAS:4033-27-6
Folic Acid 7,8-Dihydro Impurity Levofoliate EP Im
FCD78

(S)-2-(4-((2-Amino-4-oxo-1,4-dihydropteridin-6-yl)methylamino)benzamido)pentanedioic acid
CAS:59-30-3
Levofolinate EP Impurity C Folic Acid
LFL03A

(S)-2-(4-((2-Amino-4-oxo-4,8-dihydropteridin-6-yl)methylamino)benzamido)pentanedioic acid
CAS:59-30-3
Folic Acid Levofoliate EP Impurity C Vitamin M
FCD00

(S)-2-(4-((R)-1-(2,4-diaminopteridin-6-yl)pent-4-yn-2-yl)benzamido)pentanedioic acid
CAS:1320211-70-8
Pralatrexate (S,R)-Isomer
PXT43

(S)-2-(4-((R)-3-Amino-1-oxo-5,6,6a,7-tetrahydroimidazo[1,5-f]pteridin-8(1H,4H,9H)-yl)benzamido)pentanedioic acid (6aR)-5,10-Methylenetetrahydrofolic acid
CAS:31690-11-6
Levofolinate EP Impurity I Arfolitixorin
LFL09A

(S)-2-(4-((S)-1-(2,4-Diaminopteridin-6-yl)pent-4-yn-2-yl)benzamido)pentanedioic acid
CAS:1320211-69-5
Pralatrexate (S,S)-Isomer
PXT44

(S)-2-(4-(2,7-Dimethyl-4-oxo-1,4-dihydropteridin-6-ylamino)benzamido)pentanedioic acid
Folic Acid EP Impurity G
FCD07A

(S)-2-(4-(3-Fluorobenzyloxy)benzylamino)propanoic acid
CAS:1160513-60-9
Safinamide Acid
SFN53

(S)-2-(4-(N-(((R)-2-Amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methyl)formamido)benzamido)pentanedioic acid
Levofolinate EP Impurity B 5,10-Diformyltetrahydr
LFL02A

(S)-2-(4-(N-((2-Amino-4-oxo-1,4-dihydropteridin-6-yl)methyl)formamido)benzamido)pentanedioic acid
CAS:134-05-4
Levofolinate EP Impurity D 10-Formyl Folic Acid
LFL04A

(S)-2-(4-{[(2-Amino-4-oxo-1,4-dihydropteridin-6-yl)methyl] (methyl) amino} benzamido) pentanedioic acid
CAS:2410-93-7
Methotrexate EP Impurity C Methotrexate USP RC C
MTX03

(S)-2-(4-Amino-1-oxoisoindolin-2-yl)pentanediamide
Lenalidomide Impurity 21
LLM81

(S)-2-(4-Amino-1-oxoisoindolin-2-yl)pentanedioic acid
Lenalidomide Impurity 24
LLM84

(S)-2-(4-AMINOBENZAMIDO)PENTANEDIOIC ACID
CAS:4271-30-1
Levofolinate EP Impurity A Folic Acid EP Impurity
LFL01A

(S)-2-(4-Hydroxybenzylamino)propanamide
CAS:1843368-38-6
Safinamide Desfluorobenzyl
SFN54

(S)-2-(4-Nitro-1-oxoisoindolin-2-yl)pentanediamide
Lenalidomide Impurity 31
LLM91

(S)-2-(4-Nitro-1-oxoisoindolin-2-yl)pentanedioic acid
Lenalidomide Impurity 34
LLM94

(S)-2-(5,7-Dichloro-1,2,3,4-tetrahydroisoquinoline-6-carboxamido)-3-(3-(methylsulfonyl)phenyl) propanoic acid hydrochloride
CAS:2271054-95-4
Lifitegrast RC 10 Lifitegrast Impurity A
LGS70H

(S)-2-(6-Chloro-9H-carbazol-2-yl)propanoic acid
CAS:52263-84-0
Carprofen RC 4 (S)-Carprofen
CRN64

(S)-2-(Acetylamino)-3-methoxy-N-(phenylmethyl)propanamide
CAS:175481-37-5
Lacosamide EP Impurity A Lacosamide (S)-Isomer
LSM01

(S)-2-(Benzofuran-6-carboxamido)-3-(3-(methylsulfonyl)phenyl)propanoic acid
Lifitegrast RC 9
LGS69A

(S)-2-(Bis(carboxymethyl)amino)-6-(6-(tert-butoxycarbonyl)hexanamido)hexanoic acid
CAS:1039123-88-0
Aminocaproic Nitrilotriacetic Acid t-BOC
ACP60

(S)-2-(BUTYLSULFONAMIDO)-3-(4-(4-(PIPERIDIN-4-YL)BUTOXY)PHENYL)PROPANOIC ACID
CAS:144494-65-5
Tirofiban (Base)
TRF50B

(S)-2-(BUTYLSULFONAMIDO)-3-(4-(4-(PIPERIDIN-4-YL)BUTOXY)PHENYL)PROPANOIC ACID HYDROCHLORIDE
CAS:142373-60-2
Tirofiban (HCl) Tirofiban Hydrochloride
TRF50X

(S)-2-(BUTYLSULFONAMIDO)-3-(4-(4-(PIPERIDIN-4-YL)BUTOXY)PHENYL)PROPANOIC ACID HYDROCHLORIDE HYDRATE
CAS:150915-40-5
Tirofiban (HCl Monohydrate) Tirofiban Hydrochlorid
TRF50H

(S)-2-(BUTYLSULFONAMIDO)-3-(4-(4-(PYRIDIN-4-YL)BUTOXY)PHENYL)PROPANOIC ACID
CAS:149490-61-9
Tirofiban RC 3
TRF53A

(S)-2-(BUTYLSULFONAMIDO)-3-(4-HYDROXYPHENYL)PROPANOIC ACID
CAS:149490-60-8
Tirofiban RC 2 Desbutylpiperidine Tirofiban
TRF52A

(S)-2-(METHYL(3-(NAPHTHALEN-1-YLOXY)-3-(THIOPHEN-2-YL)PROPYL)CARBAMOYL)BENZOIC ACID
CAS:199191-67-8
Duloxetine Phthalamide
DLX86

(S)-2-(OXIRAN-2-YLMETHYL)ISOINDOLINE-1,3-DIONE
CAS:161596-47-0
Linezolid RC 1
LNZ71

(S)-2-(Propylamino)-N-o-tolylpropanamide
CAS:14289-31-7
Prilocaine S-Isomer
PCL52B

(S)-2-(Propylamino)-N-o-tolylpropanamide HCl
Prilocaine S-Isomer HCl
PCL52H

(S)-2-(tert-Butoxycarbonyl)-3-phenylpropanoic acid
CAS:18942-49-9
Bortezomib RC 4
BTZ84

(S)-2-[ 1-[2-(2,3-Dihydrobenzofuran-5-yl)ethyl]-1 -oxidopyrrolidin-3-yl]-2,2-diphenyl acetamide
CAS:1391080-40-2
Darifenacin N-Oxide
DRF54

(S)-2-[(S)-1-ETHOXY-1-OXO-4-PHENYLBUTAN-2-YLAMINO]PROPANOIC ACID
CAS:82717-96-2
Moexipril USP RC F Enalapril EP Impurity B Quina
MXP26

(S)-2-[(S)-N-[(S)-1-Carboxy-3-cyclohexylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-ethyl ester
CAS:2055735-09-4
Quinapril EP Impurity E (Base) Quinapril Cyclohex
QPR05B

(S)-2-[(S)-N-[(S)-1-Carboxy-3-cyclohexylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-ethyl ester HCl
Quinapril EP Impurity E (HCl) Quinapril HCl Cyclo
QPR05H

(S)-2-[(S)-N-[(S)-1-Carboxy-3-phenylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-ethyl ester
CAS:85441-61-8
QUINAPRIL
QPR00B

(S)-2-[(S)-N-[(S)-1-Carboxy-3-phenylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-ethyl ester, monohydrochloride
CAS:82586-55-8
Quinapril hydrochloride
QPR00H

(S)-2-[(S)-N-[(S)-1-Carboxy-3-phenylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-ethyl ester, N-oxide
Quinapril N-Oxide
QPR50

(S)-2-[(S)-N-[(S)-1-Carboxy-3-phenylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-isopropyl ester
CAS:955034-25-0
Quinapril Isopropyl Ester Analog O-Desethyl-O-Iso
QPR30

(S)-2-[(S)-N-[(S)-1-Carboxy-3-phenylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-methyl ester
CAS:118194-43-7
Quinapril Methyl Ester Analog O-Desethyl-O-Methyl
QPR40

(S)-2-[[4-[(3-FLUOROBENZYL)OXY]BENZYL]AMINO]PROPANAMIDE
CAS:133865-89-1
Safinamide (Base)
SFN00B

(S)-2-[[4-[(3-FLUOROBENZYL)OXY]BENZYL]AMINO]PROPANAMIDE METHANESULFONATE
CAS:202825-46-5
Safinamide (Mesylate)
SFN00M

(S)-2-[1-(3-Ethoxy-4-methoxyphenyl)-2-methylsulfonylethyl]-4-acetylamino isoindoline-1,3-dione
CAS:608141-41-9
Apremilast
APM00

(S)-2-[1-[2-(2,3-Dihydrobenzfuran-5-yl)ethyl]-3-pyrrolidinyl]-2,2-diphenyl acetamide
CAS:133099-04-4
Darifenacin (Base)
DRF00B

(S)-2-[1-[2-(2,3-Dihydrobenzfuran-5-yl)ethyl]-3-pyrrolidinyl]-2,2-diphenyl acetamide HBr
CAS:133099-07-7
Darifenacin (HBr)
DRF00H

(S)-2-[1-[2-(2,3-Dihydrobenzfuran-5-yl)ethyl]-3-pyrrolidinyl]-2,2-diphenyl-N-[2-(2,3-dihydrobenzfuran-5-yl)ethyl]acetamide HCl
Darifenacin Dimer-2 Impurity Darifenacin Impurity
DRF36H

(S)-2-[1-[2-(2-Dimethylaminoethyl)inden-3-yl]ethyl]pyridine maleate
CAS:136152-65-3
Dimetindene S-Isomer (Maleate) (S)-Dimethindene M
DTD51M

(S)-2-[1-[2-(Benzfuran-5-yl)ethyl]-3-pyrrolidinyl]-2,2-diphenylacetamide
CAS:133033-99-5
Darifenacin Dehydro Impurity (Base) 2,3-Dehydro D
DRF34B

(S)-2-[1-[2-(Benzfuran-5-yl)ethyl]-3-pyrrolidinyl]-2,2-diphenylacetamide HBr
CAS:943034-52-4
Darifenacin Dehydro Impurity (HBr) 2,3-Dehydro Da
DRF34H

(S)-2-[2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethoxy]acetic acid
CAS:130018-76-7
Cetirizine S-Isomer (Base) Levocetirizine S-Isome
CTR51B

(S)-2-[2-[4-[(4-Chlorophenyl)phenylmethyl]piperazin-1-yl]ethoxy]acetic acid dihydrochloride
CAS:163837-48-7
Cetirizine S-Isomer (2HCl) Levocetirizine S-Isome
CTR51H

(S)-2-[4-(2-Methylpropyl)phenyl]propanoic acid
CAS:51146-56-6
Ibuprofen (S)-Isomer Dexibuprofen d-(+)-Ibuprofe
IBP51

(S)-2-{(S)-2-[(S)-4-Cyclohexyl-1-ethoxy-1-oxobutan-2-ylamino]propanoyl}-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid
CAS:1356058-19-9
Moexipril USP RC D (Base) Moexipril Cyclohexyl An
MXP24B

(S)-2-{(S)-2-[(S)-4-CYCLOHEXYL-1-ETHOXY-1-OXOBUTAN-2-YLAMINO]PROPANOYL}-6,7-DIMETHOXY-1,2,3,4-TETRAHYDROISOQUINOLINE-3-CARBOXYLIC ACID HYDROCHLORIDE
CAS:1356019-89-0
Moexipril USP RC D (HCl) Moexipril Cyclohexyl Ana
MXP24H

(S)-2-{4-[2,4-Diaminopteridin-6yl)methylamino] benzoamido} pentanedioic acid
CAS:54-62-6
Methotrexate EP Impurity B Methotrexate USP RC B
MTX02

(S)-2-Acetamido-6-((1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl) carbamoyl)benzoic acid
CAS:1809170-71-5
Apremilast 2-Acetamido Benzoic Acid Imurity
APM52

(S)-2-Amino-1-oxido-4,5,6,7-tetrahydro-6-(propylamino)benzothiazole
Pramipexole Sulfoxide
PMP53B

(S)-2-AMINO-3-((S)-2-OXOPYRROLIDIN-3-YL)PROPANAMIDE
Nirmatrelvir RC 1 (Base)
NMT61B

(S)-2-Amino-3-((S)-2-oxopyrrolidin-3-yl)propanamide HCl
CAS:2628280-48-6
Nirmatrelvir RC 1 (HCl)
NMT61H

(S)-2-Amino-3-((S)-2-oxopyrrolidin-3-yl)propanenitrile
Nirmatrelvir RC 2 (Base)
NMT62B

(S)-2-AMINO-3-((S)-2-OXOPYRROLIDIN-3-YL)PROPANENITRILE HCL
CAS:2755950-35-5
Nirmatrelvir RC 2 (HCl)
NMT62H

(S)-2-Amino-3-(3-(2-(dimethylamino)ethyl)-1H-indol-5-yl)propan-1-ol dihydrochloride
CAS:1241387-63-2
Zolmitriptan USP RC B (2HCl) Descarbonyl Zolmitr
ZMT22H

(S)-2-AMINO-3-(4-(2-AMINO-6-((R)-1-(4-CHLORO-2-(3-METHYL-1H-PYRAZOL-1-YL)PHENYL)-2,2,2-TRIFLUOROETHOXY)PYRIMIDIN-4-YL)PHENYL)PROPANOIC ACID
CAS:1033805-28-5
Telotristat Telotristat Acid
TTS50A

(S)-2-AMINO-3-(4-AMINOPHENYL)PROPANOL
CAS:726134-79-8
Zolmitriptan Impurity 6 Zolmitriptan Aminopropano
ZMT66B

(S)-2-Amino-3-(4-methoxyphenyl)-2-methylpropanoic acid
CAS:65555-88-6
Methyldopa EP Impurity B (Base) Methyldopa USP RC
MTD02B

(S)-2-Amino-3-(4-methoxyphenyl)-2-methylpropanoic acid HCl
CAS:35026-10-9
Methyldopa EP Impurity B (HCl) Methyldopa USP RC
MTD02H

(S)-2-Amino-3-[3-chloro-4-(4-hydroxy-3,5-diiodophenoxy)-5-iodophenyl] propanoic acid
CAS:909279-46-5
Levothyroxine Monochloro Impurity Monochlorotriio
LTX61

(S)-2-Amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]-N-methylpropanamide
CAS:2088032-52-2
Levothyroxine N-Methylamide (USP)
LTX62

(S)-2-Amino-3-[4-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenoxy]-3,5-diiodophenyl]propanoic acid
CAS:911661-90-0
Levothyroxine EP Impurity F Levothyroxine T6 Impu
LTX06

(S)-2-AMINO-3-{3-[2-(DIMETHYLAMINO)ETHYL]-1H-INDOL-5-YL}PROPAN-1-OL
CAS:139264-69-0
Zolmitriptan USP RC B (Base) Zolmitriptan EP Impu
ZMT22B

(S)-2-Amino-4,5,6,7-tetrahydro-6-(1-oxo-propylamino)benzothiazole
CAS:106006-84-2
Pramipexole EP Impurity E Pramipexole Propionamid
PMP05B

(S)-2-Amino-4,5,6,7-tetrahydro-6-(ethylamino)benzothiazole
CAS:1254579-15-1
Pramipexole N6-Ethylamino Analog (Base)
PMP52B

(S)-2-Amino-4,5,6,7-tetrahydro-6-(ethylamino)benzothiazole hydrobromide
Pramipexole N6-Ethylamino Analog (HBr)
PMP52H

(S)-2-AMINO-4,5,6,7-TETRAHYDRO-6-(PROPYLAMINO)BENZOTHIAZOLE
CAS:104632-26-0
Pramipexole (Base)
PMP00B

(S)-2-Amino-4,5,6,7-tetrahydro-6-(propylamino)benzothiazole dihydrochloride
CAS:104632-25-9
Pramipexole (2HCl) Pramipexole Dihydrochloride
PMP00X

(S)-2-Amino-4,5,6,7-tetrahydro-6-(propylamino)benzothiazole Dihydrochloride Monohydrate
CAS:191217-81-9
Pramipexole (2HCl Monohydrate) Pramipexole Dihydr
PMP00H

(S)-2-Amino-4,5,6,7-tetrahydro-6-aminobenzothiazole
CAS:106092-09-5
Pramipexole EP Impurity A Pramipexole USP RC A N
PMP01B

(S)-2-Amino-5-((R)-1-(carboxymethylamino)-3-(4-(ethylamino)-6-(isopropylamino)-1,3,5-triazin-2-ylthio)-1-oxopropan-2-ylamino)-5-oxopentanoic acid
CAS:24429-05-8
Atrazine glutathione adduct
ARZ52

(S)-2-Amino-N-isopentyl-3-phenylpropanamide
CAS:110755-29-8
Bortezomib RC 5
BTZ85

(S)-2-AMINOBUTANAMIDE HYDROCHLORIDE
CAS:7682-20-4
Levetiracetam EP Impurity G (HCl) Levetiracetam U
LET07H

(S)-2-AMINOBUTANOIC ACID
CAS:1492-24-6
Levetiracetam Impurity 2 (Base)
LET52B

(S)-2-AMINOBUTANOIC ACID HYDROCHLORIDE
CAS:5959-29-5
Levetiracetam Impurity 2 (HCl)
LET52H

(S)-2-CHLORO-1-(2,4-DICHLOROPHENYL)ETHANOL
CAS:126534-31-4
Luliconazole Impurity 1
LZL51

(S)-2-Chloro-alpha-[[2-(2-thienyl)ethyl]amino]benzeneacetic acid methyl ester
CAS:141109-20-8
Clopidogrel EP Impurity F (Base) Clopidogrel Thie
CPG06B

(S)-2-Chloro-alpha-[[2-(2-thienyl)ethyl]amino]benzeneacetic acid methyl ester HCl
CAS:141109-19-5
Clopidogrel EP Impurity F (HCl) Clopidogrel HCl T
CPG06H

(S)-2-Ethoxy-4-[2-[[2-phenyl-1-[2-(1-piperidinyl)phenyl]ethyl]-amino]-2-oxoethyl] benzoic acid
CAS:107362-12-9
Repaglinide USP RC C
RPG23

(S)-2-Ethylbutyl 2-aminopropanoate
CAS:946565-74-8
Remdesivir Impurity 5 (Base)
RDV65B

(S)-2-ETHYLBUTYL 2-AMINOPROPANOATE HCL
CAS:946511-97-3
Remdesivir Impurity 5 (HCl)
RDV65H

(S)-2-Hydroxy-3-(2-methoxyphenoxy)propyl carbamate
CAS:108914-10-9
Methocarbamol (S)-Isomer
MTC51

(S)-2-HYDROXY-3-METHOXY-3,3-DIPHENYLPROPANOIC ACID
CAS:178306-52-0
Ambrisentan (S)-Hydroxy Acid Ambrisentan Impurity
ABS74

(S)-2-Hydroxy-5-(1-hydroxy-2-(methylamino)ethyl)phenyl hydrogen sulfate
Adrenaline RC 2
ADZ62

(S)-2-Methoxy-5-(3-(methylamino)-1-(thiophen-2-yl)propoxy)naphthalen-1-ol
CAS:741693-79-8
Duloxetine 5-Hydroxy 6-Methoxy
DLX56

(S)-2-METHOXY-5-(3-(METHYLAMINO)-1-(THIOPHEN-2-YL)PROPOXY)NAPHTHALEN-1-YL HYDROGEN SULFATE
CAS:732983-57-2
Duloxetine 5-Hydroxy 6-Methoxy Sulfate
DLX57

(S)-2-NITRO-6,7-DIHYDRO-5H-IMIDAZO[2,1-B][1,3]OXAZIN-6-OL
CAS:187235-08-1
Pretomanid Impurity 8
PTD58

(S)-2-Propionylamino-4,5,6,7-tetrahydro-6-(propylamino)benzothiazole hydrochloride
CAS:1801892-43-2
Pramipexole N2-Propionyl Impurity
PMP30H

(S)-2-Propylamino-4,5,6,7-tetrahydro-6-(propylamino)benzothiazole
CAS:1246815-83-7
Pramipexole EP Impurity B Pramipexole USP RC B N
PMP02B

(S)-3,3-DIMETHYL-2-(2,2,2-TRIFLUOROACETAMIDO)BUTANOIC ACID
CAS:666832-71-9
Nirmatrelvir RC 4 (Acid)
NMT64A

(S)-3-((Methoxycarbonyl)methyl)-5-methylhexanoic acid
CAS:1082077-24-4
Pregabalin Impurity 22
PRG82

(S)-3-((S)-2-((S)-1-Carboxy-3-phenylpropylamino)propanoyl)-1-methyl-2-oxoimidazolidine-4-carboxylic acid
CAS:89371-44-8
Imidapril Diacid Imidaprilat
IMD52

(S)-3-((S)-2-((S)-1-Ethoxy-1-oxo-4-phenylbutan-2-ylamino)propanoyl)-1-methyl-2-oxoimidazolidine-4-carboxylic acid
CAS:89371-37-9
Imidapril (Base)
IMD00B

(S)-3-((S)-2-((S)-1-Ethoxy-1-oxo-4-phenylbutan-2-ylamino)propanoyl)-1-methyl-2-oxoimidazolidine-4-carboxylic acid hydrochloride
CAS:89396-94-1
Imidapril (HCl) Imidapril Hydrochloride
IMD00H

(S)-3-((tert-Butoxycarbonyl)methyl)-5-methylhexanoic acid
CAS:649748-09-4
Pregabalin Impurity 6
PRG66

(S)-3-(1-(3-(Trifluoromethoxy)benzyl)piperidin-4-yl)-4-phenyl-3,4-dihydroquinazolin-2(1H)-one
CAS:877606-63-8
Afacifenacin
AXF00

(S)-3-(1-(9H-PURIN-6-YLAMINO)ETHYL)-8-CHLORO-2-PHENYLISOQUINOLIN-1(2H)-ONE
CAS:1201438-56-3
Duvelisib
DUV00

(S)-3-(1-(Dimethylamino)ethyl)phenyl ethylcarbamate
CAS:1070660-34-2
Rivastigmine RC 5
RVS65

(S)-3-(1-(Methyl(nitroso)amino)ethyl)phenyl ethyl(methyl)carbamate
Rivastigmine N-Nitroso Analog
RVS49

(S)-3-(1-METHYLPYRROLIDIN-2-YL)PYRIDINE
CAS:54-11-5
nicotine
NTN00

(S)-3-(2-(4-Benzhydrylpiperazin-1-yl)ethyl) 5-methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
CAS:126451-47-6
Manidipine (S)-Isomer (Base)
MDP52B

(S)-3-(2-(4-Benzhydrylpiperazin-1-yl)ethyl) 5-methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate HCl
CAS:2231404-52-5
Manidipine (S)-Isomer (HCl)
MDP52H

(S)-3-(2-(DIMETHYLAMINO)ETHYL)-5-((2-OXOOXAZOLIDIN-4-YL)METHYL)-1H-INDOLE-1-CARBALDEHYDE
Zolmitriptan N-Formyl Impurity
ZMT57B

(S)-3-(2-(DIMETHYLAMINO)ETHYL)-5-((2-OXOOXAZOLIDIN-4-YL)METHYL)-1H-INDOLE-2-CARBOXYLIC ACID
CAS:659738-69-9
Zolmitriptan EP Impurity I Zolmitriptan 2-Carboxy
ZMT09B

(S)-3-(2-Methoxy-2-oxoethyl)-5-methylhexanoic acid
CAS:181289-25-8
Pregabalin Impurity 21
PRG81

(S)-3-(3,4-Bis(phosphonooxy)phenyl)-2-hydrazinyl-2-methylpropanoic acid
CAS:1907685-82-8
Carbidopa RC 9
CBD69

(S)-3-(3,4-Dihydroxyphenyl)-2-methyl-2-ureidopropanoic acid
CAS:43197-06-4
Carbidopa RC 3
CBD63

(S)-3-(3,4-Dimethoxyphenyl)-2-hydrazinyl-2-methylpropanoic acid
CAS:28860-96-0
Carbidopa RC 10
CBD70

(S)-3-(3,4-DIMETHOXYPHENYL)-2-METHYL-2-UREIDOPROPANOIC ACID
CAS:28861-00-9
Carbidopa RC 2
CBD62

(S)-3-(3-(((5-Hydroxy-4-methoxy-1,2-dihydrocyclobutabenzen-1-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-4,5-dihydro-1H-benzo[d]azepin-2(3H)-one hydrochloride
Ivabradine 4-O-Desmethyl
IVB54H

(S)-3-(3-(2-Chloro-5-iodobenzyl)phenoxy)-tetrahydrofuran
CAS:2227199-33-7
Empagliflozin RC 6 Empagliflozin 5-Iodide
EGF76

(S)-3-(3-FLUOROPHENYL)-5-(HYDROXYMETHYL)OXAZOLIDIN-2-ONE
CAS:919081-42-8
Tedizolid Impurity 6
TDZ66

(S)-3-(4-(2-CHLORO-5-IODOBENZYL)PHENOXY)-TETRAHYDROFURAN
CAS:915095-94-2
Empagliflozin RC 4
EGF74

(S)-3-(4-(2-CHLOROBENZYL)PHENOXY)TETRAHYDROFURAN
CAS:2517968-35-1
Empagliflozin RC 12
EGF82

(S)-3-(4-(2-Hydroxy-3-(isopropylamino)propoxy)phenyl)propanoic acid
CAS:910651-36-4
Esmolol Acid (S)-Isomer
ESZ53

(S)-3-(4-(5-Bromo-2-chlorobenzyl)phenoxy)-tetrahydrofuran
CAS:915095-89-5
Empagliflozin Bromo S-Isomer
EGF64

(S)-3-(4-(Tetrahydrofuran-3-yloxy)benzyl)-4-chlorobenzoic acid
Empagliflozin Benzoic Acid Impurity Empagliflozi
EGF52

(S)-3-(4-AMINO-1-OXOISOINDOLIN-2-YL)PIPERIDINE-2,6-DIONE
CAS:202271-91-8
Lenalidomide (S)-Isomer
LLM41

(S)-3-(4-Chlorophenyl)-4-hydroxybutanoic acid
CAS:1329611-36-0
Baclofen RC 5 (Acid)
BCF65A

(S)-3-(4-Phenyl-1-piperazinyl)-1,2-propanediol N-oxide
CAS:152237-40-6
Levodropropizine N-Oxide
LDZ50

(S)-3-(6,8-Dichloro-2-methyl-1,2,3,4-tetrahydroisoquinolin-4-yl)benzene-1-sulfonyl chloride
CAS:1610028-57-3
Tenapanor RC 2
TPR62B

(S)-3-(Acetylthio)-2-methylpropanoic acid
CAS:76497-39-7
Captopril RC 6
CPR56

(S)-3-(Aminomethyl)-5-methylhex-4-enoic acid
CAS:1141362-54-0
Pregabalin 4,5-Dehydro (S)-Isomer
PRG54

(S)-3-(Aminomethyl)-5-methylhex-5-enoic acid
CAS:1141362-94-8
Pregabalin 5,6-Dehydro (S)-Isomer (S)-5,6-Dehydro
PRG58

(S)-3-(AMINOMETHYL)-N,N-DIETHYL-5-METHYLHEXANAMIDE
CAS:1094517-97-1
Pregabalin Impurity 3
PRG63

(S)-3-(BENZOYLTHIO)-2-METHYLPROPANOIC ACID
CAS:72679-02-8
Captopril RC 8
CPR58

(S)-3-(BOC-AMINO)PIPERIDINE
CAS:216854-23-8
Linagliptin RC 2
LGT72

(S)-3-(Cyanodiphenylmethyl)-1-pyrrolidinecarboxylic acid t-butyl ester
CAS:1189753-52-3
Darifenacin Cyano t-BOC (S)-Isomer
DRF53

(S)-3-(Cyanodiphenylmethyl)-pyrrolidine
CAS:133099-11-3
Darifenacin Cyano Pyrrolidine Impurity (Base)
DRF52B

(S)-3-(Cyanodiphenylmethyl)-pyrrolidine HBr
CAS:194602-27-2
Darifenacin Cyano Pyrrolidine Impurity (HBr)
DRF52H

(S)-3-(Cyanomethyl)-5-methylhexanoic acid
CAS:1621171-19-4
Pregabalin Impurity 7
PRG67

(S)-3-(Naphthalen-1-yloxy)-1-phenylpropan-1-amine
CAS:147199-40-4
Dapoxetine RC 5 Dapoxetine (S)-Isomer N-Didemthyl
DXE65

(S)-3-(tert-Butylamino)-2-(4-morpholino-1,2,5-thiadiazol-3-yloxy)propan-1-ol
CAS:158636-96-5
Timolol Impurity 5 (S)-Isotimolol
TML55

(S)-3-[1-(DIMETHYLAMINO)ETHYL]PHENOL
CAS:139306-10-8
Rivastigmine EP Impurity A Rivastigmine USP RC C
RVS01

(S)-3-[1-(Dimethylamino)ethyl]phenyl dimethylcarbamate
CAS:1230021-28-9
Rivastigmine EP Impurity B (Base) Rivastigmine Di
RVS02B

(S)-3-[1-(Dimethylamino)ethyl]phenyl dimethylcarbamate tartrate salt
Rivastigmine EP Impurity B (Tartrate) Rivastigmin
RVS02T

(S)-3-Acetamido-2-((1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl) carbamoyl)benzoic acid
CAS:2096492-41-8
Apremilast 3-Acetamido Benzoic Acid Imurity
APM53

(S)-3-CHLORO-1-PHENYLPROPAN-1-OL
CAS:100306-34-1
Dapoxetine RC 18
DXE78

(S)-3-chloro-N-((2-oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl)thiophene-2-carboxamide
CAS:1855920-54-5
Rivaroxaban Impurity 12 Rivaroxaban Impurity L
RVR72

(S)-3-CYANO-5-METHYLHEXANOIC ACID
CAS:181289-37-2
Pregabalin 3-Cyano (S)-Isomer
PRG50

(S)-3-HEXYL-5,6-DIHYDRO-6-UNDECYL-2H-PYRAN-2-ONE
CAS:130676-64-1
Orlistat Dihydropyranone Impurity Orlistat Hexyl
OLS34

(S)-3-Hydroxyquinuclidine (S)-(+)-1-Azabicyclo[2.2.2]octan-3-ol
CAS:34583-34-1
Solifenacin (S)-Hydroxyquinuclidine Impurity (Base
SLF53B

(S)-3-METHYL-2-PHENYLBUTANAMIDE
CAS:174290-51-8
Ibuprofen Impurity 6
IBP66

(S)-3-Methyl-9,10-bis(4-methylpiperazin-1-yl)-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid
CAS:1329833-82-0
Levofloxacin Impurity 8
LFX68

(S)-4,11-Diethyl-4,9-dihydroxy-1H-pyrano[3',4'6,7]indolizino[1,2-b] quinoline-3,14(4H,12H)-dione
CAS:86639-52-3
Camptothecin 11-Ethyl-9-Hydroxy Impurity Irinotec
CPT53

(S)-4,11-Diethyl-4,9-dihydroxy-1H-pyrano[3�,4�6,7] indolizino[1,2-b] quinoline-3,14(4H,12H)-dione
CAS:86639-52-3
Irinotecan EP Impurity E Irinotecan USP RC B 7-E
ITC05

(S)-4,11-Diethyl-4-hydroxy-1H-pyrano(3',4'6,7)indolizino(1,2-b) quinoline-3,14(4H,12H)-dione
CAS:78287-27-1
Camptothecin 7-Ethyl Impurity 7-Ethyl Camptotheci
CPT52

(S)-4,11-Diethyl-4-hydroxy-1H-pyrano[3',4'6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione
CAS:78287-27-1
Irinotecan EP Impurity F 7-Ethyl Camptothecin (US
ITC06

(S)-4,5,6,7-TETRAHYDRO-N2,N6-PROPIONYL-2,6-BENZOTHIAZOLEDIAMINE
CAS:1346617-47-7
Pramipexole Di-Amide
PMP35B

(S)-4,6-Dihydroxy-3-(3-oxo-1-phenylbutyl)-2H-chromen-2-one
CAS:63740-80-7
Warfarin RC11 (S)-6-Hydroxy Warfarin
WFR71

(S)-4,7-Dihydroxy-3-(3-oxo-1-phenylbutyl)-2H-chromen-2-one
CAS:63740-81-8
Warfarin RC17
WFR77

(S)-4,8,11-Triethyl-4,9-dihydroxy-1H-pyrano[3',4'6,7]indolizino[1,2-b] quinoline-3,14(4H,12H)-dione
CAS:947687-01-6
Irinotecan EP Impurity G Irinotecan USP Impurity
ITC07

(S)-4,8,11-Triethyl-4-hydroxy-1H-pyrano[3',4'6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione-9-yl (1,4'-bipiperidine)-1'-carboxylate
CAS:947687-02-7
Irinotecan EP Impurity C 11-Ethyl Irinotecan (USP
ITC03

(S)-4,8-Dihydroxy-3-(3-oxo-1-phenylbutyl)-2H-chromen-2-one
CAS:63740-82-9
Warfarin RC21
WFR81

(S)-4-((2-Amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methylamino)benzoic acid (6S)-5-Formyltetrahydropteroic acid
Levofolinate EP Impurity E
LFL05A

(S)-4-((3-(2-(DIMETHYLAMINO)ETHYL)-1H-INDOL-4-YL)METHYL)OXAZOLIDIN-2-ONE
Zolmitriptan Impurity 8
ZMT68B

(S)-4-((3-(2-(DIMETHYLAMINO)ETHYL)-1H-INDOL-6-YL)METHYL)OXAZOLIDIN-2-ONE
Zolmitriptan Impurity 9
ZMT69B

(S)-4-((3-(2-(DIMETHYLAMINO)ETHYL)-1H-INDOL-7-YL)METHYL)OXAZOLIDIN-2-ONE
Zolmitriptan Impurity 10
ZMT70B

(S)-4-((3-(2-Chloroethyl)-1H-indol-5-yl)methyl)oxazolidin-2-one
CAS:1456510-16-9
Zolmitriptan Impurity 5
ZMT65B

(S)-4-((4-Chlorophenyl)(phenyl)methoxy)-4-oxobutanoic acid
Levocloperastine CBZS (S)-Isomer (S)-4-Chlorobenz
LCP55S

(S)-4-((R)-3-amino-4-(2,4,5-trifluorophenyl)butanoyl)-3-(tert-butoxymethyl)piperazin-2-one tartrate
Evogliptin (SR)-Isomer Tartrate
EVG52T

(S)-4-((S)-3-Amino-4-(2,4,5-trifluorophenyl)butanoyl)-3-(tert-butoxymethyl)piperazin-2-one tartrate
Evogliptin (SS)-Isomer Tartrate Evogliptin Tartra
EVG53T

(S)-4-({3-[2-(Dimethylamino)ethyl]-1H-indol-5-yl}methyl)oxazolidin-2-one
CAS:139264-17-8
Zolmitriptan
ZMT00B

(S)-4-({3-[2-(Methylamino)ethyl]-1H-indol-5-yl}methyl)oxazolidin-2-one
CAS:139264-35-0
Zolmitriptan USP RC A N-Desmethyl Zolmitriptan Z
ZMT21B

(S)-4-(1-HYDROXY-2-(METHYLAMINO)ETHYL)BENZENE-1,2-DIOL
CAS:150-05-0
Adrenaline RC 1 D-(+)-Epinephrine
ADZ61

(S)-4-(2,3,5,6-Tetrahydroimidazo[2,1-b]thiazol-6-yl)benzoic acid
Levamisole 4-Carboxy Impurity
LVM54

(S)-4-(2,3,5,6-Tetrahydroimidazo[2,1-b]thiazol-6-yl)phenol
CAS:69359-04-2
Levamisole 4-Hydroxy Impurity
LVM64

(S)-4-(2-(3,5-Dioxopiperazin-1-yl)propyl)piperazine-2,6-dione
CAS:24584-09-6
Dexrazoxane (Base)
DRZ00B

(S)-4-(2-(3,5-Dioxopiperazin-1-yl)propyl)piperazine-2,6-dione hydrochloride
CAS:1263283-43-7 149003-01-0
Dexrazoxane (HCl) Dexrazoxane Hydrochloride
DRZ00H

(S)-4-(2-(tert-Butylamino)-1-hydroxyethyl)-2-(hydroxymethyl)phenol hydrochloride
CAS:50293-91-9
Salbutamol (S)-Isomer HCl Albuterol (S)-Isomer HC
SAB51H

(S)-4-(2-Methylpropyl)-2-pyrrolidinone (S)-4-Isobutyl-2-pyrrolidinone
CAS:181289-23-6
Pregabalin EP Impurity A Pregabalin Lactam (S)-Is
PRG01

(S)-4-(3,4-Dichlorophenyl)-1-tetralone
CAS:124379-29-9
Sertraline Tetralone S-Isomer (S)-Sertraline Tetr
STL45

(S)-4-(3-(Dimethylamino)-1-(thiophen-2-yl)propoxy)naphthalen-1-ol
CAS:1346601-61-3
Duloxetine 4-Hydroxy N-Methyl
DLX44

(S)-4-(3-(Methylamino)-1-(thiophen-2-yl)propoxy)naphthalen-1-ol
CAS:662149-13-5
Duloxetine 4-Hydroxy
DLX54

(S)-4-(3-BROMOPHENYL)-6,8-DICHLORO-2-METHYL-1,2,3,4-TETRAHYDROISOQUINOLINE
CAS:1870821-29-6
Tenapanor RC 7
TPR67B

(S)-4-(3-Chloro-4-methoxybenzylamino)-2-(2-(hydroxymethyl)pyrrolidin-1-yl)pyrimidine-5-carboxylic acid
CAS:330785-84-7
Avanafil RC 8
AVF58

(S)-4-(4-((4-Chlorophenyl)(N-oxido-pyridin-2-yl)methoxy)piperidin-1-yl)butanoic acid
Bepotastine Pyridine N-Oxide
BPT53

(S)-4-(4-((4-CHLOROPHENYL)(PYRIDIN-2-YL)METHOXY)PIPERIDIN-1-YL)BUTANOIC ACID
CAS:125602-71-3
Bepotastine (Base) (S)-Bepotastine
BPT00B

(S)-4-(4-((4-Chlorophenyl)(pyridin-2-yl)methoxy)piperidin-1-yl)butanoic acid benzenesulfonate
CAS:190786-44-8
Bepotastine Besylate (S)-Bepotastine Phenylsulfon
BPT00P

(S)-4-(4-(3-Amino-2-hydroxypropylamino)phenyl)morpholin-3-one
CAS:1403383-56-1
Rivaroxaban Impurity 4
RVR64

(S)-4-(4-AMINOBENZYL)-2-(1H)-OXAZOLIDINONE
CAS:152305-23-2
Zolmitriptan USP RC G Zolmitriptan EP Impurity E
ZMT27B

(S)-4-(4-HYDRAZINYLBENZYL)-2-OXAZOLIDINONE
CAS:187975-62-8
Zolmitriptan Impurity 1
ZMT61B

(S)-4-(4-METHOXYBENZYLAMINO)-2-(2-(HYDROXYMETHYL)PYRROLIDIN-1-YL)-N-(PYRIMIDIN-2-YLMETHYL)PYRIMIDINE-5-CARBOXAMIDE
CAS:330784-50-4
Avanafil RC 10 3-Deschloro Avanafil Avanafil Imp
AVF60

(S)-4-(4-NITROBENZYL)OXAZOLIDIN-2-ONE
CAS:139264-55-4
Zolmitriptan Impurity 2
ZMT62

(S)-4-(8-Amino-3-(1-(3-oxobutanoyl)pyrrolidin-2-yl)imidazo[1,5-a]pyrazin-1-yl)-N-(pyridin-2-yl)benzamide
Acalabrutinib M23
AAL73

(S)-4-(8-AMINO-3-(1-BUT-2-YNOYLPYRROLIDIN-2-YL)IMIDAZO[1,5-A]PYRAZIN-1-YL)-N-(PYRIDIN-2-YL)BENZAMIDE
CAS:1420477-60-6
Acalabrutinib
AAL00

(S)-4-(8-Amino-3-(1-but-2-ynoylpyrrolidin-2-yl)imidazo[1,5-a]pyrazin-1-yl)benzoic acid
Acalabrutinib M1
AAL51

(S)-4-(Ethylamino)-3,4-dihydro-2-(3-methoxypropyl)-2H-thieno[3,2-e]-1,2-thiazine-6-sulfonamide 1,1-Dioxide
CAS:154127-19-2
Brinzolamide USP RC A Brinzolamide (S)-Isomer
BRZ21

(S)-4-(Methyl[3-(naphthalen-1-yloxy)-3-(thiophen-2-yl)propyl]amino)-4-oxobutanoic acid
CAS:199191-66-7
Duloxetine USP RC H (S)-Duloxetine Succinamide
DLX28

(S)-4-(oxiran-2-yl)-2,3-dihydrobenzofuran
CAS:252577-77-8
Tasimelteon RC 5
TLT65

(S)-4-(TETRAHYDRO-2H-PYRAN-2-YLOXY)PHENOL
CAS:53936-56-4
Arbutin Deoxy Impurity
ABN50

(S)-4-[(4-Chlorophenyl)methyl]-2-(hexahydro-1-methyl-1-oxido-1H-azepin-4-yl)-1(2H)-phthalazinone
CAS:1346617-06-8
Azelastine N-Oxide (S)-Isomer
AZN52

(S)-4-[2-(Dimethylamino)-1-(1-hydroxycyclohexyl) ethyl]phenol
CAS:142761-12-4
Desvenlafaxine S-Isomer Venlafaxine O-Desmethyl S
DVL55B

(S)-4-AMINO-2-(1-(3-ETHOXY-4-METHOXYPHENYL)-2-(METHYLSULFONYL)ETHYL)ISOINDOLINE-1,3-DIONE
CAS:635705-72-5
Apremilast N-Desacetyl Imurity
APM51

(S)-4-amino-2-(2,6-dioxopiperidin-3-yl)isoindoline-1,3-dione
CAS:202271-89-4
Pomalidomide (S)-Isomer
PLD61B

(S)-4-AMINO-3-(4-CHLOROPHENYL)BUTANOIC ACID
CAS:66514-99-6
Baclofen (S)-Isomer (Base)
BCF52B

(S)-4-AMINO-3-(4-CHLOROPHENYL)BUTANOIC ACID HYDROCHLORIDE
CAS:63701-56-4
Baclofen (S)-Isomer (HCl)
BCF52H

(S)-4-Amino-N-((1-ethylpyrrolidin-2-yl)methyl)-5-(ethylsulfonyl)-2-methoxybenzamide
CAS:71675-92-8
Amisulpride (S)-Isomer
ASD41

(S)-4-Amino-N-((1R,2S,3S,5S)-5-amino-2-((2S,3R,4R,5S)-4-amino-3,5-dihydroxy-6-(hydroxymethyl)-tetrahydro-2H-pyran-2-yloxy)-4-((2S,3R,4R,5S)-6-(aminomethyl)-3,4,5-trihydroxy-tetrahydro-2H-pyran-2-yloxy)-3-hydroxycyclohexyl)-2-hydroxybutanamide
CAS:37517-28-5
Amikacin (Base)
AMK00B

(S)-4-AMINOISOXAZOLIDIN-3-ONE
CAS:339-72-0
Cycloserine RC 4 L-Cycloserine
CSR64B

(S)-4-CHLORO-3-HYDROXYBUTANENITRILE
CAS:127913-44-4
Rosuvastatin Impurity 13
RSVB3

(S)-4-Ethyl-4,9-dihydroxy-1H-pyrano[3�,4�6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione
CAS:19685-09-7
Irinotecan EP Impurity B Irinotecan USP RC A 9-H
ITC02

(S)-4-Ethyl-4-hydroxy-1H-pyrano[3',4'6,7]indolizino[1,2-b]quinoline-3,14 (4H,12H)-dione
CAS:3/4/7689
Irinotecan EP Impurity D Camptothecin Topotecan
ITC04

(S)-4-Ethyl-4-hydroxy-1H-pyrano[3',4'6,7]indolizino[1,2-b]quinoline-3,14 (4H,12H)-dione
CAS:3/4/7689
Topotecan USP RC C Irinotecan EP Impurity D Camp
TTC23

(S)-4-Ethyl-4-hydroxy-1H-pyrano[3',4'6,7]indolizino[1,2-b]quinoline-3,14 (4H,12H)-dione
CAS:3/4/7689
Camptothecin Irinotecan EP Impurity D Topotecan
CPT00

(S)-4-Ethyl-4-hydroxy-1H-pyrano[3',4'6,7]indolizino[1,2-b]quinoline-3,14 (4H,12H)-dione-9-yl (1,4'-bipiperidine)-1'-carboxylate
CAS:103816-16-6
Irinotecan EP Impurity A Irinotecan USP Impurity
ITC01

(S)-4-Hydroxy-3,4-dihydro-2-(3-methoxypropyl)-2H-thieno[3,2-e]-1,2-thiazine-6-sulfonamide 1,1-Dioxide
CAS:154127-42-1
Brinzolamide (4S)-Hydroxy Analog
BRZ53

(S)-4-Hydroxy-3-(1-(3-Hydroxyphenyl)-3-Oxobutyl)-2H-Chromen-2-One
CAS:124952-36-9
Warfarin RC3
WFR63

(S)-4-Hydroxy-3-(1-(4-hydroxyphenyl)-3-oxobutyl)-2H-chromen-2-one
CAS:68407-05-6
Warfarin RC6
WFR66

(S)-4-Hydroxy-3-[1-(4-nitrophenyl)-3-oxobutyl]-2H-1-benzopyran-2-one
CAS:66556-78-3
Acenocoumarol (S)-Isomer
ARX51

(S)-4-Methyl-N-((R)-1-((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-ylamino)-1-oxo-3-phenylpropan-2-yl)-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide
Carfilzomib RC 1
CZM81

(S)-4-METHYL-N-((S)-1-(((S)-4-METHYL-1-(((S)-1-(((S)-4-METHYL-1-((R)-2-METHYLOXIRAN-2-YL)-1-OXOPENTAN-2-YL)AMINO)-1-OXO-3-PHENYLPROPAN-2-YL)AMINO)-1-OXOPENTAN-2-YL)AMINO)-1-OXO-3-PHENYLPROPAN-2-YL)-2-((S)-2-(2-MORPHOLINOACETAMIDO)-4-PHENYLBUTANAMIDO)PENTA
Carfilzomib Dimer-2
CZM71

(S)-4-Methyl-N-((S)-1-((R)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-ylamino)-1-oxo-3-phenylpropan-2-yl)-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide
CAS:2049025-76-3
Carfilzomib Epoxy Leucine (R,R)-Isomer
CZM74

(S)-4-Methyl-N-((S)-1-((R)-4-methyl-1-((S)-2-methyloxiran-2-yl)-1-oxopentan-2-ylamino)-1-oxo-3-phenylpropan-2-yl)-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide
CAS:2049025-67-2
Carfilzomib Epoxy Leucine (R,S)-Isomer
CZM75

(S)-4-Methyl-N-((S)-1-((S)-4-methyl-1-((S)-2-methyloxiran-2-yl)-1-oxopentan-2-ylamino)-1-oxo-3-phenylpropan-2-yl)-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide
CAS:1672698-88-2
Carfilzomib Epoxy Leucine (S,S)-Isomer
CZM76

(S)-4-NITROPHENYL 1-PHENYL-3,4-DIHYDROISOQUINOLINE-2(1H)-CARBOXYLATE
CAS:1229227-22-8
Solifenacin Nitrophenyl Ester
SLF54

(S)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-amine
CAS:823817-55-6
Sitagliptin EP Impurity A (Base) Sitagliptin (S)-
SGT01B

(S)-4-Oxo-4-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]-1-(2,4,5-trifluorophenyl)butan-2-amine phosphate
CAS:823817-58-9
Sitagliptin EP Impurity A (Phosphate) Sitagliptin
SGT01P

(S)-5,6,7,8-Tetrahydro-6-[propyl[2-(2-thienyl)ethyl]aMino]-1-naphthalenyl �-D-Glucopyranosiduronic Acid
CAS:128464-29-9
Rotigotine �-D-Glucuronide
RTG70

(S)-5,7-DIFLUOROCHROMAN-4-OL
CAS:942195-91-7
Tegoprazan RC 8
TGP68

(S)-5,7-Dihydroxy-2-(4-hydroxyphenyl)-2,3-dihydrochromen-4-one
CAS:480-41-1
Naringenin (S)-Naringenin
NGX00

(S)-5,7-Dihydroxy-2-(4-hydroxyphenyl)-6-methoxy-2,3-dihydrochromen-4-one
CAS:94942-49-1
Naringenin 6-Methoxy
NGX52

(S)-5-(2,2-Dimethyl-4H-benzo[d][1,3]dioxin-5-yl)oxazolidin-2-one
Vilanterol RC 2
VLT52

(S)-5-(2,2-DIMETHYL-4H-BENZO[D][1,3]DIOXIN-6-YL)OXAZOLIDIN-2-ONE
Vilanterol RC 1
VLT51

(S)-5-(2,2-Dimethyl-4H-benzo[d][1,3]dioxin-8-yl)oxazolidin-2-one
Vilanterol RC 4
VLT54

(S)-5-(3-(Methylamino)-1-(thiophen-2-yl)propoxy)naphthalen-1-ol
CAS:741693-77-6
Duloxetine 5-Hydroxy
DLX55

(S)-5-(3-(Methylamino)-1-(thiophen-2-yl)propoxy)naphthalen-2-ol
CAS:741693-76-5
Duloxetine 6-Hydroxy
DLX58

(S)-5-(3-(TERT-BUTYLAMINO)-2-HYDROXYPROPOXY)-3,4-DIHYDRONAPHTHALEN-1(2H)-ONE
CAS:47141-42-4
Levobunolol (Base)
LBN00B

(S)-5-(3-(tert-butylamino)-2-hydroxypropoxy)-3,4-dihydronaphthalen-1(2H)-one hydrochloride
CAS:27912-14-7
Levobunolol HCl
LBN00H