Molcan Corporation (Page 10) @ ChemBuyersGuide.com, Inc.

3-(4,7-DIHYDRO-1-METHYL-7-OXO-3-PROPYL-1H-PYRAZOLO[4,3-D]PYRIMIDIN-5-YL)-4-ETHOXYBENZENESULFONIC ACID
CAS:1357931-55-5
Sildenafil EP Impurity D Sildenafil Desmethylpipe
SDF04

3-(4-(((1R,2R)-2-((4-(Benzo[d]isothiazol-3-yl)piperazin-1-yl)methyl)cyclohexyl)methyl)piperazin-1-yl)benzo[d]isothiazole
Lurasidone Impurity 3
LRS63

3-(4-(((3R,4R)-1-(2-CYANOACETYL)-4-METHYLPIPERIDIN-3-YL)(METHYL)AMINO)-7H-PYRROLO[2,3-D]PYRIMIDIN-7-YL)-3-OXOPROPANENITRILE
CAS:2459302-77-1
Tofacitinib Impurity 8 N-Oxopropanenitrile Tofaci
TFC98B

3-(4-(((3S,4S,5R)-2,3-Dihydroxy-5-(hydroxymethyl)-4-((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)-tetrahydro-2H-pyran-2-yloxy)-tetrahydrofuran-2-yl)methylamino)-1-oxoisoindolin-2-yl)piperidine-2,6-dione
Lenalidomide Impurity 4 Lenalidomide Amadori Prod
LLM64

3-(4-(2-HYDROXY-3-(ISOPROPYLAMINO)PROPOXY)PHENYL)-N-ISOPROPYLPROPANAMIDE
CAS:83356-59-6
Esmolol Isopropyl Amine (Base)
ESZ58B

3-(4-(2-Hydroxy-3-(isopropylamino)propoxy)phenyl)-N-isopropylpropanamide hydrochloride
Esmolol Isopropyl Amine (HCl)
ESZ58H

3-(4-(2-HYDROXY-3-(ISOPROPYLAMINO)PROPOXY)PHENYL)PROPANOIC ACID
CAS:81148-15-4
Esmolol Acid
ESZ54

3-(4-(2-METHOXYPHENYL)PIPERAZIN-1-YL)PROPANE-1,2-DIOL
CAS:117067-06-8
Naftopidil RC 2
NFP62

3-(4-(3-(tert-Butoxycarbonyl)-2-hydroxypropoxy)phenyl)propanoic acid
Esmolol Acid N-Boc
ESZ55

3-(4-(4-(BENZOFURAN-5-YL)PIPERAZIN-1-YL)BUTYL)-1H-INDOLE-5-CARBONITRILE
CAS:795266-89-6
Vilazodone Descarboxamide (Base)
VZD52B

3-(4-(4-(Benzofuran-5-yl)piperazin-1-yl)butyl)-1H-indole-5-carbonitrile dihydrochloride
CAS:765936-02-5
Vilazodone Descarboxamide (2HCl)
VZD52H

3-(4-(4-AMINOBUTYL)-1-OXOISOINDOLIN-2-YL)PIPERIDINE-2,6-DIONE
CAS:2093388-69-1
Lenalidomide 4-Aminobutyl Analog (Base) Lenalidom
LLM60B

3-(4-(4-Aminobutyl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione HCl
Lenalidomide 4-Aminobutyl Analog (HCl)
LLM60H

3-(4-(7H-Pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-3-cyclopentylpropanamide
CAS:1911644-32-0
Ruxolitinib Amide
RLT60B

3-(4-(Hydroxyamino)-1-oxoisoindolin-2-yl)piperidine-2,6-dione
Lenalidomide N4-Hydroxy Impurity
LLM54

3-(4-Amino-1,3-dihydro-1-oxo-2H-isoindol-2-yl)-2,6-piperidinedione
CAS:191732-72-6
Lenalidomide
LLM00

3-(4-Amino-1-oxoisoindolin-2-yl)-1-((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)piperidine-2,6-dione
Lenalidomide N2-Glucoside
LLM53

3-(4-Amino-1-oxoisoindolin-2-yl)-1-((2R,5S,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-((2S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)-tetrahydro-2H-pyran-2-yloxy)-tetrahydro-2H-pyran-2-yl)piperidine-2,6-dione
Lenalidomide Lactosamine Adduct
LLM58

3-(4-AMINO-1-OXOISOINDOLIN-2-YL)-1-METHYLPIPERIDINE-2,6-DIONE
CAS:2133816-23-4
Lenalidomide N2-Methyl Impurity Lenalidomide Impu
LLM41

3-(4-Amino-1H-imidazo[4,5-c]quinolin-1-yl)-2-methylpropan-1-ol
CAS:1807606-78-5
Imiquimod Impurity 2
IQM62

3-(4-Amino-5-hydroxy-1-oxoisoindolin-2-yl)piperidine-2,6-dione
CAS:1421593-78-3
Lenalidomide 5-Hydroxy Impurity 5-Hydroxy Lenalid
LLM56

3-(4-Bromobenzoyl)-2-(�-D-glucopyranosylamino)benzeneacetic Acid
CAS:212266-82-5
Bromfenac N-�-D-Glucoside
BRF60

3-(4-CHLORO-10H-PHENOTHIAZIN-10-YL)-N,N-DIMETHYLPROPAN-1-AMINE
CAS:13094-24-1
Chlorpromazine EP Impurity F (Base)
CPZ06B

3-(4-Chloro-10H-phenothiazin-10-yl)-N,N-dimethylpropan-1-amine HCl
CAS:72372-62-4
Chlorpromazine EP Impurity F (HCl)
CPZ06H

3-(4-CHLOROBENZYLIDENE)ISOBENZOFURAN-1(3H)-ONE
CAS:20526-97-0
Azelastine EP Impurity E Azelastine USP RC E
AZN05

3-(4-CHLOROPHENYL)-3-(PYRIDIN-2-YL)PROPAN-1-AMINE
CAS:20619-13-0
Chlorpheniramine N,N-Didesmethyl Impurity (Base)
CPA50B

3-(4-Chlorophenyl)-3-(pyridin-2-yl)propan-1-amine (Z)-2-butenedioate
CAS:23052-94-0
Chlorpheniramine N,N-Didesmethyl Impurity (Maleate
CPA50M

3-(4-CHLOROPHENYL)-3-OXOPROPANOIC ACID
CAS:17589-68-3
Fenbufen EP Impurity A
FBF01

3-(4-Chlorophenyl)-4-(hydroxyamino)butanoic acid
Baclofen RC 1 4-Hydroxyamino Baclofen
BCF61

3-(4-CHLOROPHENYL)-4-HYDROXYBUTANOIC ACID
CAS:52977-95-4
Baclofen RC 4 (Acid)
BCF64A

3-(4-Chlorophenyl)-N,N-dimethyl-3-(pyridin-2-yl)propan-1-amine (Z)-2-butenedioate
CAS:113-92-8
Chlorpheniramine Maleate Chlorphenamine Maleate
CPA00M

3-(4-Chlorophenyl)-N,N-dimethyl-3-(pyridin-2-yl)propan-1-amine N-oxide
CAS:120244-82-8
Chlorpheniramine N-Oxide
CPA52B

3-(4-Chlorophenyl)-N,N-dimethyl-3-(pyridin-2-yl)propan-1-amine N-oxide dihydrochloride
Chlorpheniramine N-Oxide Dihydrochloride
CPA52H

3-(4-Chlorophenyl)-N,N-dimethyl-3-(pyridin-2-yl)propan-1-amine N-oxide maleate
Chlorpheniramine N-Oxide Maleate
CPA52M

3-(4-chlorophenyl)-N-methyl-3-(pyridin-2-yl)propan-1-amine
CAS:20619-12-9
Chlorpheniramine EP Impurity C (Base) Chlorphenam
CPA03B

3-(4-Chlorophenyl)-N-methyl-3-(pyridin-2-yl)propan-1-amine hydrochloride
Chlorpheniramine EP Impurity C (HCl) Chlorphenami
CPA03H

3-(4-Chlorophenyl)-N-methyl-3-(pyridin-2-yl)propan-1-amine maleate
CAS:22630-25-7
Chlorpheniramine EP Impurity C (Maleate) Chlorphe
CPA03M

3-(4-CHLOROPHENYL)PENTANEDIOIC ACID
CAS:35271-74-0
Baclofen RC 2
BCF62

3-(4-CHLOROPHENYL)PROPAN-1-OL
CAS:6282-88-8
Pitolisant RC 3
PLS63

3-(4-CHLOROPHENYL)PROPANOIC ACID
CAS:2019-34-3
Pitolisant RC 5
PLS65

3-(4-CHLOROPHENYL)PROPYL METHANESULFONATE
CAS:61440-60-6
Pitolisant RC 2
PLS62

3-(4-FLUOROBENZOYL)-2-ISOBUTYRYL-3-PHENYLOXIRANE-2-CARBOXYLIC ACID PHENYLAMIDE
CAS:148146-51-4
Atorvastatin EP Impurity D Atorvastatin EP Impuri
ATV04

3-(4-FLUOROBENZOYL)-2-ISOBUTYRYL-3-PHENYLOXIRANE-2-CARBOXYLIC ACID PHENYLAMIDE
CAS:1246818-88-1
Atorvastatin Oxirane Impurity
ATV67

3-(4-Fuorophenyl)-1-(1-methylethyl)-1H-indole-2-carbaldehyde
CAS:101125-34-2
Fluvastatin EP Impurity G Fluvastatin BP Impurity
FLV07

3-(4-HYDROXY-3,5-DIIODOPHENYL)-2-OXOPROPANOIC ACID
CAS:780-00-7
Levothyroxine 3,5-Diiodo 4-Hydroxyphenylpyruvic Ac
LTX73

3-(4-HYDROXYPHENYL)PYRAZIN-2-OL
CAS:126247-63-0
Amoxicillin EP Impurity F Amoxicillin USP RC F
AMX06

3-(4-METHYL-1H-IMIDAZOL-1-YL)-5-(TRIFLUOROMETHYL)BENZENAMINE
CAS:641571-11-1
Nilotinib EP Impurity A Nilotinib USP RC A Nilot
NLT01

3-(4-PHENOXYPHENYL)-1H-PYRAZOLO[3,4-D]PYRIMIDIN-4-AMINE
CAS:330786-24-8
Ibrutinib Impurity 8
IBT58

3-(5,5-Dioxido-10H-phenothiazin-10-yl)-N,N,2-trimethylpropan-1-amine
CAS:3689-50-7
Oxomemazine (Base)
OXM00B

3-(5,5-Dioxido-10H-phenothiazin-10-yl)-N,N,2-trimethylpropan-1-amine HCl
CAS:4784-40-1
Oxomemazine (HCl)
OXM00H

3-(5,5-Dioxido-10H-phenothiazin-10-yl)-N,N,2-trimethylpropan-1-amine N-Oxide
Oxomemazine N-Oxide
OXM50

3-(5,7-Dimethyl-4-oxo-3,4-dihydroimidazo[1,5-f][1,2,4]triazin-2-yl)-4-ethoxybenzene-1-sulfonyl chloride
CAS:224789-25-7
Vardenafil Impurity 6
VDF76

3-(5-(2-Nitropropyl)indolin-1-yl)propyl benzoate
CAS:350797-54-5
Silodosin RC 4
SLD74

3-(5-Chloro-4-(pyridin-3-yl)pyrimidin-2-ylamino)-4-methyl-N-(3-(4-methyl-1H-imidazol-1-yl)-5-(trifluoromethyl)phenyl)benzamide
Nilotinib 5-Chloro Impurity
NLT55

3-(5-Hydroxy-2,6-dimethyl-9-oxo-3,4,7,9-tetrahydro-2H-furo[3,4-h]chromen-2-yl)propanoic acid
CAS:24243-36-5
Mycophenolic Acid O-Desmethyl 9-Oxo Ether
MCP51

3-(5-Hydroxy-2,9-dimethyl-6-oxo-3,4,6,8-tetrahydro-2H-furo[3,4-g]chromen-2-yl)propanoic acid
Mycophenolic Acid O-Desmethyl 6-Oxo Ether
MCP41

3-(5-HYDROXY-5H-DIBENZO[A,D]CYCLOHEPTEN-5-YL)-N,N-DIMETHYL-PROPYLAMINE
CAS:18029-54-4
Cyclobenzaprine USP RC A Cyclobenzaprine 5-Hydrox
CBZ21

3-(5-METHYL-1H-IMIDAZOL-1-YL)-5-(TRIFLUOROMETHYL)BENZENAMINE
CAS:641571-16-6
Imatinib Impurity 3
IMT53

3-(5-Methyl-2-(4-(2-(pyrrolidin-1-yl)ethoxy)phenylamino)pyrimidin-4-ylamino)benzenesulfonamide
CAS:936091-39-3
Fedratinib RC 3
FDR53B

3-(5-Methyl-3-phenylisoxazol-4-yl)benzene-1-sulfonyl chloride
CAS:1709956-95-5
Parecoxib RC 8
PXB58

3-(5-METHYL-4-(4-SULFAMOYLPHENYL)ISOXAZOL-3-YL)BENZENESULFONAMIDE
CAS:1373038-59-5
Parecoxib RC 7
PXB57

3-(5-METHYL-4-PHENYLISOXAZOL-3-YL)BENZENE-1-SULFONYL CHLORIDE
CAS:1373038-57-3
Parecoxib RC 5
PXB55

3-(5-METHYL-4-PHENYLISOXAZOL-3-YL)BENZENESULFONAMIDE
CAS:1373038-56-2
Parecoxib RC 6
PXB56

3-(5-Oxido-10H-phenothiazin-10-yl)-N,N,2-trimethylpropan-1-amine
Oxomemazine Sulfoxide
OXM53

3-(5H-DIBENZO[A,D][7]ANNULEN-5-YLIDENE)-N,N-DIMETHYLPROPAN-1-AMINE
CAS:303-53-7
Nortriptyline EP Impurity E (Base) Amitriptyline
NTL05B

3-(5H-Dibenzo[a,d][7]annulen-5-ylidene)-N,N-dimethylpropan-1-amine HCl
CAS:6202-23-9
Nortriptyline EP Impurity E (HCl) Amitriptyline E
NTL05H

3-(5H-DIBENZO[A,D][7]ANNULEN-5-YLIDENE)-N,N-DIMETHYLPROPAN-1-AMINE HYDROCHLORIDE
CAS:6202-23-9
Amitriptyline EP Impurity B Cyclobenzaprine HCl
ATL02H

3-(5H-dibenzo[a,d][7]annulen-5-ylidene)-N-methylpropan-1-amine HCl
CAS:438-59-5
Nortriptyline EP Impurity B (HCl) Norcyclobenzapr
NTL02H

3-(5H-Dibenzo[a,d]cyclohepten-5-ylidene)-1-propanamine hydrochloride
CAS:1614-47-7
Cyclobenzaprine DiDesmethyl HCl
CBZ33H

3-(5H-DIBENZO[A,D]CYCLOHEPTEN-5-YLIDENE)-N,N-DIMETHYL-1-PROPANAMINE HYDROCHLORIDE
CAS:6202-23-9
Cyclobenzaprine HCl
CBZ00H

3-(5H-DIBENZO[A,D]CYCLOHEPTEN-5-YLIDENE)-N,N-DIMETHYL-1-PROPANAMINE N-OXIDE
CAS:6682-26-4
Cyclobenzaprine N-oxide
CBZ34

3-(5H-DIBENZO[A,D]CYCLOHEPTEN-5-YLIDENE)-N-METHYL-1-PROPANAMINE HYDROCHLORIDE
CAS:438-59-5
Cyclobenzaprine USP RC B N-Desmethyl Cyclobenzapr
CBZ22H

3-(5H-Dibenzo[b,f]azepin-5-yl)-N,N-dimethylpropan-1-amine HCl
CAS:58262-51-4
Imipramine EP Impurity B Balipramine HCl Deprami
IPM02H

3-(6,7-DIBROMO-2,3-DIHYDROBENZOFURAN-5-YL)PROPANOIC ACID
CAS:196597-76-9
Ramelteon RC 11
RMT81

3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-N-[2-(dimethylamino)ethyl]-4-ethoxy-benzenesulfonamide
CAS:1393816-99-3
Sildenafil Descarbon Impurity
SDF31

3-(6-(2-Chlorophenyl)-1,2,4,5-tetrazin-3-yl)-2-(methylthio)phenol
CAS:107573-63-7
Clofentezine Metabolite 3
CFN53

3-(6-(3-(2,2-Difluorobenzo[d][1,3]dioxol-5-yl)-5-hydroxy-2-oxopyrrolidin-1-yl)-3-methylpyridin-2-yl)benzoic acid
Lumacaftor Impurity 3 Hydroxy Pyrrolidone Lumacaf
LMF53

3-(6-METHOXYNAPHTHALEN-2-YL)-5-METHYLCYCLOHEXANONE
CAS:343272-52-6
Nabumetone EP Impurity A
NBM01

3-(7-Cyano-5-(2-nitropropyl)indolin-1-yl)propyl Benzoate 1-[3-(Benzoyloxy)propyl]-2,3-dihydro-5-(2-nitropropyl)-1H-Indole-7-carbonitrile
CAS:350797-56-7
Silodosin Nitro Impurity
SLD62

3-(7-CYANO-5-(2-OXOPROPYL)INDOLIN-1-YL)PROPYL BENZOATE
CAS:350797-57-8
Silodosin Benzoate Impurity Silodosin Impurity 1
SLD65

3-(7-Formyl-5-(2-nitropropyl)indolin-1-yl)propyl benzoate
CAS:350797-55-6
Silodosin RC 5
SLD75

3-(7-Formylindolin-1-yl)propyl benzoate
CAS:350797-52-3
Silodosin RC 2
SLD72

3-(9,10-ETHANOANTHRACEN-9(10H)-YL)-N,N-DIMETHYLPROPAN-1-AMINE
CAS:23941-38-0
Maprotiline EP Impurity E (Free Base) N-Methyl Ma
MPL05B

3-(9,10-Ethanoanthracen-9(10H)-yl)-N,N-dimethylpropan-1-amine HCl
CAS:23941-45-9
Maprotiline EP Impurity E (HCl Salt) N-Methyl Map
MPL05H

3-(9,10-ethanoanthracen-9(10H)-yl)-N-[3-(9,10-ethanoanthracen-9(10H)-yl)propyl]-N-methylpropan-1-amine HCl
Maprotiline EP Impurity B
MPL02B

3-(9,10-Ethanoanthracen-9(10H)-yl)-N-methylprop-2-en-1-amine HCl
CAS:38849-14-8
Maprotiline EP Impurity D (HCl Salt) Maprotiline
MPL04H

3-(9,10-ETHANOANTHRACEN-9(10H)-YL)-N-METHYLPROPAN-1-AMINE HYDROCHLORIDE
CAS:10347-81-6
Maprotiline HCl
MPL00H

3-(9,10-ETHANOANTHRACEN-9(10H)-YL)PROP-2-ENAL
CAS:38849-09-1
Maprotiline EP Impurity A
MPL01

3-(9,10-Ethanoanthracen-9(10H)-yl)propan-1-amine
CAS:5721-37-9
Maprotiline EP Impurity C (Base) N-Desmethyl Mapr
MPL03B

3-(9,10-Ethanoanthracen-9(10H)-yl)propan-1-amine HCl
CAS:92202-51-2
Maprotiline EP Impurity C (HCl ) N-Desmethyl Mapr
MPL03H

3-(9,9-Dimethylanthracen-10(9H)-ylidene)-N,N-dimethylpropan-1-amine
CAS:5118-29-6
Melitracen (Base)
MRC00B

3-(9,9-Dimethylanthracen-10(9H)-ylidene)-N,N-dimethylpropan-1-amine hydrochloride
CAS:10563-70-9
Melitracen (HCl)
MRC00H

3-(9,9-Dimethylanthracen-10(9H)-ylidene)-N-methylpropan-1-amine
Melitracen Impurity A N-Desmethyl Melitracen
MRC51B

3-(9H-CARBAZOL-4-YLOXY)-1,2-PROPANEDIOL
CAS:123119-89-1
Carvedilol Propanediol Impurity
CVD42

3-(Acetoxymethyl)-10-(2,3,4,6-tetra-O-acetyl-�-Dglucopyranosyl)anthracene-1,8,9-triyl triacetate
CAS:64951-96-8
Diacerein EP Impurity G Octaacetyl Aloin Octaac
DAR07

3-(Acetylamino)-1,2-benzenedicarboxylic Acid
CAS:15371-06-9
Apremilast EP Impurity B 3-Acetamidophthalic Acid
APM02

3-(Acetylamino)-5-(diacetylamino)-2,4,6-triiodobenzoic acid
Amidotrizoic Acid EP Impurity E
ADT05A

3-(Acetylamino)-5-[(iodoacetyl)amino]-2,4,6-triiodobenzoic Acid
Amidotrizoic Acid EP Impurity D Amidotrizoic Acid
ADT04A

3-(acetylamino)propane-1-sulfonic acid
CAS:77337-76-9
Acamprosate (Acid)
APN00A

3-(Acetyloxy)-1-methylestra-1,3,5(10)-trien-17-one
CAS:30903-07-2
Estrone 3-Acetate 1-Methyl Impurity
ETN51

3-(Acrylamidomethyl)-5-methylhexanoic acid
CAS:1495844-28-4
Pregabalin N-Acrylamide Racemate
PRG59

3-(Aminocarbonyl)-1-methylpyridinium Chloride 3-Carbamoyl-1-methylpyridinium Chloride
CAS:1005-24-9
Nicotinamide 1-Methyl Chloride
NCT41

3-(AMINOMETHYL)-4,5-DIMETHYLHEXANOIC ACID
CAS:313651-23-9
Pregabalin 4-Methyl Racemate
PRG51

3-(AMINOMETHYL)-5-METHYLHEX-4-ENOIC ACID
CAS:216576-74-8
Pregabalin 4,5-Dehydro Racemate rac-4,5-Dehydro P
PRG45

3-(AMINOMETHYL)-5-METHYLHEX-5-ENOIC ACID
CAS:1136478-30-2
Pregabalin 5,6-Dehydro Racemate rac-5,6-Dehydro P
PRG56

3-(AMINOMETHYL)-5-METHYLHEXANOIC ACID
CAS:128013-69-4
Pregabalin Racemate
PRG31

3-(AMINOSULFONYL)-4-CHLORO-N-(2,3-DIHYDRO-5-HYDROXY-2-METHYL-1H-INDOL-1-YL)BENZAMIDE
CAS:126750-70-7
Indapamide 5-Hydroxy Impurity
IDP50

3-(Aminosulfonyl)-4-chloro-N-(2,3-dihydro-5-methoxy-2-methyl-1H-indol-1-yl)benzamide
CAS:1391053-97-6
Indapamide 5-Methoxy Impurity
IDP51

3-(AMINOSULFONYL)-4-CHLOROBENZOYL CHLORIDE
CAS:70049-77-3
Indapamide RC 3
IDP63

3-(Aminosulfonyl)-4-phenoxy-5-(1-pyrrolidinyl)benzoic Acid
CAS:55837-27-9
Piretanide
PRT00

3-(Aminosulfonyl)-5-(butylamino)-4-phenoxy-benzoic acid
CAS:28395-03-1
Bumetanide
BMM00

3-(BENZHYDRYLOXY)PROPANE-1,2-DIOL
CAS:19574-66-4
Diphenhydramine USP RC B
DPH22

3-(Benzyloxy)-2,6-dimethylbenzenamine
CAS:70261-50-6
Mepivacaine RC 4
MVC64

3-(BENZYLOXY)PYRIDIN-2-AMINE
CAS:24016-03-3
Paliperidone Impurity 4
PPD64

3-(BROMOMETHYL)-2-CYCLOPROPYL-4-(4-FLUOROPHENYL)QUINOLINE
CAS:154057-56-4
Pitavastatin Bromomethyl Impurity
PTV54

3-(Bromomethyl)-7-chloro-1-benzothiophen
CAS:17512-61-7
Sertaconazole EP Impurity B
SCZ02

3-(Carbamoyloxy)-1-(2-methoxyphenoxy)propan-2-yl 2-(4-isobutylphenyl)propanoate
CAS:111632-17-8
Methocarbamol Impurity 4 Ibuprofen Methocarbamol
MTC64

3-(Carbamoyloxy)-1-(2-methoxyphenoxy)propan-2-yl hydrogen sulfuric acid
CAS:1329745-94-9
Methocarbamol O-Sulfate (Acid)
MTC61A

3-(Carboxymethyl)-1-(2-hydroxy-2,2-diphosphonoethyl)-1H-imidazol-3-ium
CAS:1627731-60-5
Zoledronic Acid EP Impurity A
ZLD01

3-(CHLOROMETHYL)PYRIDINE
CAS:3099-31-8
Indinavir EP Impurity F Nicotinyl Chloride
IDN06B

3-(CHLOROMETHYL)PYRIDINE HCL
CAS:6959-48-4
Indinavir EP Impurity F (HCl) Nicotinyl Chloride
IDN06H

3-(CYANODIPHENYLMETHYL)-1-PYRROLIDINECARBOXYLIC ACID T-BUTYL ESTER
CAS:1159977-31-7
Darifenacin Cyano t-BOC Impurity
DRF33

3-(Cyanoimino)-3-(piperidin-1-yl)propanamide
CAS:1798387-81-1
Minoxidil EP Impurity C Minoxidil BP Impurity C
MNX03

3-(CYANOMETHYL)-N-METHYL-1H-INDOLE-5-METHANESULFONAMIDE
CAS:88918-76-7
Sumatriptan Cyanomethyl Impurity
SMT37

3-(CYANOMETHYL)BENZOIC ACID
CAS:5689-33-8
Ketoprofen EP Impurity H
KTP08

3-(Cyclopropylmethoxy)-N-(3,5-dichloro-1-oxido-4-pyridinyl)-4-(difluoro methoxy)benzamide
CAS:292135-78-5
Roflumilast N-oxide
RFM56

3-(Cyclopropylmethoxy)-N-(3,5-dichloro-4-pyridinyl)-4-(difluoromethoxy) benzamide
CAS:162401-32-3
Roflumilast
RFM00

3-(Cyclopropylmethoxy)-N-(3,5-dichloro-4-pyridinyl)-4-hydroxybenzamide
CAS:475271-62-6
Roflumilast Desdifluoromethyl Impurity
RFM53

3-(DIETHYLAMINO)-8-METHYL-2(1H)-QUINOLINONE
CAS:113225-33-5
Lidocaine Cyclic Impurity
LDC50

3-(DIETHYLBORYL)PYRIDINE
CAS:89878-14-8
Abiraterone Impurity 2
ABR42

3-(DIMETHYLAMINO)-1-(NAPHTHALEN-1-YL)PROPAN-1-ONE
CAS:2752-87-6
Bedaquiline Keto Impurity (Base)
BDQ54B

3-(DIMETHYLAMINO)-1-(NAPHTHALEN-1-YL)PROPAN-1-ONE HCL
CAS:5409-58-5
Bedaquiline Keto Impurity (HCl)
BDQ54H

3-(DIMETHYLAMINO)-1-(THIOPHEN-3-YL)PROPAN-1-OL
CAS:116817-84-6
Duloxetine Impurity 14 Duloxetine Dimethylaminopr
DLX74B

3-(DIMETHYLAMINO)-1-PHENYLPROPAN-1-OL
CAS:5554-64-3
Fluoxetine RC 3
FXT63B

3-(DIMETHYLAMINO)PHENOL
CAS:99-07-0
Neostigmine EP Impurity B
NSM02

3-(DIMETHYLAMINO)PHENYL DIMETHYLCARBAMATE
CAS:16088-19-0
Neostigmine EP Impurity C N-Desmethyl Neostigmine
NSM03

3-(dimethylamino)propyl 2-(benzylamino)benzoate
CAS:87453-76-7
Benzydamine EP Impurity A (Base)
BDN01B

3-(Dimethylamino)propyl 2-(benzylamino)benzoate hydrochloride
CAS:2196185-65-4
Benzydamine EP Impurity A (HCl)
BDN01H

3-(DIMETHYLAMINO)PROPYL 2-AMINOBENZOATE
CAS:87453-75-6
Benzydamine EP Impurity F (Base)
BDN06B

3-(DIMETHYLAMINO)PROPYL 2-AMINOBENZOATE HYDROCHLORIDE
Benzydamine EP Impurity F (HCl)
BDN06H

3-(FORMAMIDOMETHYL)-5-METHYLHEXANOIC ACID
CAS:1488274-42-5
Pregabalin Impurity 35
PRG95

3-(HYDROXY)-N-(3,5-DICHLORO-4-PYRIDINYL)-4-(DIFLUOROMETHOXY)BENZAMIDE
CAS:1391052-76-8
Roflumilast Descyclopropylmethyl Impurity
RFM52

3-(HYDROXYMETHYL)-3-NITRO-1-(4-OCTYLPHENYL)-1,4-BUTANEDIOL
CAS:899822-99-2
Fingolimod 1-Hydroxy Nitro Impurity
FGL64

3-(HYDROXYMETHYL)QUINUCLIDIN-3-OL
CAS:61573-79-3
Cevimeline Impurity 1
CVM61B

3-(Mercaptomethyl)cyclopropane acetic acid
CAS:162515-68-6
Montelukast Mercapto Acid Impurity
MTL44

3-(MERCAPTOMETHYL)QUINUCLIDIN-3-OL
CAS:107220-26-8
Cevimeline Thiomethyl Impurity
CVM33

3-(METHYL(NAPHTHALEN-1-YLMETHYL)AMINO)-1-PHENYLPROPAN-1-ONE
CAS:98978-29-1
Naftifine RC 2
NTF62

3-(Methyl(pentyl)amino)propanoic acid
CAS:287395-61-3
Ibandronate USP RC A (Base)
IBD21B

3-(METHYL(PENTYL)AMINO)PROPANOIC ACID HYDROCHLORIDE
CAS:625120-81-2
Ibandronate USP RC A (HCl)
IBD21H

3-(METHYLAMINO)-1-(THIOPHEN-2-YL)PROPAN-1-OL
CAS:116539-56-1
Duloxetine Impurity 12 Duloxetine Methylaminoprop
DLX72B

3-(METHYLAMINO)-1-PHENYLPROPAN-1-OL
CAS:42142-52-9
Atomoxetine EP Impurity H Atomoxetine USP RC A D
ATM08

3-(Methylamino)-5,6-dihydro-2H-1,4-thiazin-2-one oxime hydrochloride
CAS:112233-23-5
Nizatidine EP Impurity K Ranitidine EP Impurity G
NZT11H

3-(Methylamino)-5,6-dihydro-2H-1,4-thiazin-2-oneoxime
CAS:148639-72-9
Ranitidine EP Impurity G (Base) Nizatidine EP Im
RNT07B

3-(Methylamino)-5,6-dihydro-2H-1,4-thiazin-2-oneoxime HCl
CAS:112233-23-5
Ranitidine EP Impurity G (HCl) Nizatidine EP Imp
RNT07H

3-(METHYLAMINO)PROPAN-1-OL
CAS:42055-15-2
Lofepramine RC 4
LFP64B

3-(Morpholin-4-yl)sydnonimine
CAS:33876-97-0
Molsidomine EP Impurity A (Base) Linsidomine
MSD01B

3-(Morpholin-4-yl)sydnonimine HCl
CAS:16142-27-1
Molsidomine EP Impurity A (HCl) Linsidomine HCl
MSD01H

3-(N-METHYLACETAMIDO)PROPANE-1-SULFONIC ACID
CAS:741659-31-4
Acamprosate Impurity 1 (Acid)
APN61A

3-(N-Methylamino)-1-(2-thienyl)-1-propanone
CAS:667465-15-8
Duloxetine Impurity 10 (Base)
DLX70B

3-(N-METHYLAMINO)-1-(2-THIENYL)-1-PROPANONE HYDROCHLORIDE
CAS:645411-16-1
Duloxetine Impurity 10 (HCl)
DLX70H

3-(N-Phenylaminomethyl)-5-methylhexanoic acid sodium salt
Pregabalin N-Phenyl Racemate (Sodium)
PRG41N

3-(NAPHTHALEN-1-YLOXY)-1-PHENYLPROPAN-1-AMINE
CAS:119357-34-5
Dapoxetine RC 7 Dapoxetine N,N-Didesmethyl
DXE67

3-(NAPHTHALEN-1-YLOXY)-1-PHENYLPROPAN-1-OL
CAS:908291-72-5
Dapoxetine RC 1
DXE61

3-(NAPHTHALEN-1-YLOXY)-1-PHENYLPROPAN-1-ONE
CAS:41198-42-9
Dapoxetine RC 9
DXE69

3-(P-CHLOROPHENYL)-3-HYDROXYPHTHALIMIDINE
CAS:956-92-3
Chlorthalidone Desulfonamide Impurity
CTD50

3-(Phenoxyphenyl)methyl (1RS,2RS)-2-(chloroethynyl)-3,3-dimethylcyclopropane-1-carboxylate
CAS:65133-01-9
Permethrin EP Impurity G
PMR07

3-(PIPERIDIN-1-YL)PROPAN-1-OL
CAS:104-58-5
Pitolisant RC 1
PLS61

3-(Propan-2-yloxy)-19-nor-17a-pregna-3,5-dien-20-yn-17-yl acetate
CAS:2417092-17-0
Norethindrone Acetate EP Impurity H Norethindrone
NEA08

3-(PYRROLIDIN-2-YL)PYRIDINE
CAS:5746-86-1
Nicotine USP RC F Nornicotine Racemate
NTN26

3-(R)-1-Benzylpiperidin-3-yl 5-methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate '
CAS:105979-17-7
Benidipine (Base)
BDP00B

3-(R)-1-Benzylpiperidin-3-yl 5-methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate hydrochloride
CAS:91599-74-5
Benidipine (HCl) Benidipine Hydrochloride
BDP00H

3-(Sulfooxy)estra-1,3,5(10),7-tetraen-17-one
CAS:27540-07-4
Equilin Sulfate (Acid)
EQU50A

3-(Sulfooxy)estra-1,3,5(10),7-tetraen-17-one sodium salt
CAS:16680-47-0 12126-59-9
Equilin Sulfate Sodium Salt Sodium Equilin Sulfat
EQU50N

3-(THIOPHEN-2-YL)PROPANOIC ACID
CAS:5928-51-8
Eprosartan USP RC B
EPS22

3-(TRIFLUOROMETHYL)-5,6,7,8-TETRAHYDRO-[1,2,4]TRIAZOLO[4,3-A]PYRAZINE HYDROCHLORIDE
CAS:762240-92-6
Sitagliptin Triazole HCl STA-S2
SGT32H

3-(TRIFLUOROMETHYL)-6,7-DIHYDRO-[1,2,4]TRIAZOLO[4,3-A]PYRAZIN-8(5H)-ONE
CAS:877402-45-4
Sitagliptin Pyrazinone Impurity STA Impurity-G
SGT47

3-(TRIFLUOROMETHYL)ANILINE
CAS:98-16-8
Niflumic Acid EP Impurity C Flutamide EP Impurity
NFM03

3-(Trifluoromethyl)aniline,
CAS:98-16-8
Flutamide EP Impurity D Niflumic Acid EP Impurity
FTM04

3-(TRIFLUOROMETHYL)BENZENEPROPANAMINE
CAS:104774-87-0
Cinacalcet 3-TFM Amine Impurity (Base)
CCC53B

3-(Trifluoromethyl)benzenepropanamine oxalate salt
Cinacalcet 3-TFM Amine Impurity (Oxalate)
CCC53X

3-?(5-?METHYL-?3-?PHENYLISOXAZOL-?4-?YL)?BENZENESULFONAMIDE
CAS:386273-25-2
Parecoxib RC 14
PXB64

3-?[[3-?(AMINOSULFONYL)?-?4-?PYRIDINYL]?AMINO]?BENZOIC ACID METHYL ESTER
Torsemide RC 2
TSM62

3-?Methyl-?1-?phenyl-?2-?pyrazolin-?5-?one 2,4-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
CAS:89-25-8
Edaravone
ERV00

3-?Methyl-?1-?phenyl-?2-?pyrazolin-?5-?one 2,4-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one N-Oxide
CAS:152494-76-3
Edaravone N-Oxide
ERV70

3-[(1-Piperazinylimino)methyl]-rifamycin
CAS:13292-45-0
Rifampicin N-Desmethyl Impurity
RFP50

3-[(1E)-2-[4-[[(2-Carboxyethyl)amino]carbonyl]phenyl]diazenyl]-2-hydroxybenzoic acid
CAS:1242567-09-4
Balsalazide 3-Isomer Balsalazide USP Impurity 2
BSL63

3-[(1R)-1-(2,6-DICHLORO-3-FLUOROPHENYL)ETHOXY]-5-[1-(4-PIPERIDINYL)-1H-PYRAZOL-4-YL]-2-PYRIDINAMINE
CAS:877399-52-5
Crizotinib
CRZ00

3-[(1R)-1-(Dimethylamino) ethyl]phenyl methylethylcarbamate
CAS:415973-05-6
Rivastigmine EP Impurity D (Base) Rivastigmine R-
RVS04B

3-[(1R)-1-(Dimethylamino) ethyl]phenyl methylethylcarbamate tartrate
Rivastigmine EP Impurity D (Tartrate) Rivastigmin
RVS04T

3-[(1R)-3-[bis(1-Methylethyl)amino]-1-phenylpropyl]-4-(phenylmethoxy)benzenemethanol
CAS:156755-37-2
Fesoterodine Impurity C Fesoterodine Benzyl Impur
FST03B

3-[(1R)-3-[Bis(1-methylethyl)amino]-1-phenylpropyl]-4-hydroxybenzene methanol fumarate
CAS:380636-50-0
Fesoterodine Diol (R)-Isomer (Fumarate) (R)-5-Hyd
FST41F

3-[(1RS)-1-Carboxyethyl]benzoic Acid
CAS:68432-95-1
Ketoprofen EP Impurity C Ketoprofen USP RC C
KTP03

3-[(1RS)-1-Cyanoethyl]benzoic Acid
CAS:5537-71-3
Ketoprofen EP Impurity G
KTP07

3-[(1RS)-2-[(1,1-Dimethylethyl)amino]-1-hydroxyethyl]-5-hydroxyphenyl dimethylcarbamate
CAS:81732-67-4
Bambuterol EP Impurity C (Base) Bambuterol Monoca
BBT03B

3-[(1RS)-2-[(1,1-Dimethylethyl)amino]-1-hydroxyethyl]-5-hydroxyphenyl dimethylcarbamate hydrochloride
CAS:81732-52-7
Bambuterol EP Impurity C (HCl) Bambuterol Monocar
BBT03H

3-[(1S)-1-(2,6-DICHLORO-3-FLUOROPHENYL)ETHOXY]-5-[1-(4-PIPERIDINYL)-1H-PYRAZOL-4-YL]-2-PYRIDINAMINE
CAS:1374356-45-2
Crizotinib S-Isomer
CRZ50

3-[(1S)-1-(Dimethylamino) ethyl]phenyl methylethylcarbamate
CAS:123441-03-2
Rivastigmine (Base)
RVS00B

3-[(1S)-1-(Dimethylamino) ethyl]phenyl methylethylcarbamate N-Oxide
CAS:1369779-37-2
Rivastigmine N-Oxide
RVS50B

3-[(1S)-1-(Dimethylamino) ethyl]phenyl methylethylcarbamate tartrate salt
CAS:129101-54-8
Rivastigmine (Tartrate) Rivastigmine Hydrogen Tar
RVS00T

3-[(1S)-1-(Methylamino)ethyl]phenyl ethyl(methyl)-carbamate
CAS:923035-05-6
Rivastigmine EP Impurity E N-Desmethyl Rivastigmi
RVS05B

3-[(1S)-3-[Bis(1-methylethyl)amino]-1-phenylpropyl]-4-hydroxybenzene methanol
CAS:260389-90-0
Fesoterodine Diol (S)-Isomer (S)-5-Hydroxymethyl
FST51B

3-[(2-CARBOXYPHENYL)AMINO]-2-METHYLBENZOIC ACID
CAS:190379-82-9
Mefenamic Acid 3-Carboxy
MNM50

3-[(2-Chloroethyl)amino]propyl dihydrogen phosphate
CAS:22608-58-8
Ifosfamide EP Impurity A
IFF01

3-[(2-Cyclopent-2,3-ene-2-hydroxy-2-phenylacetyl)oxy]-1,1-dimethylpyrrolidinium Bromide
Glycopyrrolate Dehydro Impurity
GPB50

3-[(2-Cyclopentyl-2-hydroxy-2-phenylacetyl)oxy]-1,1-dimethylpyrrolidinium bromide
CAS:596-51-0
Glycopyrrolate Bromide (USP) Glycopyrronium Bromi
GPB00

3-[(2RS)-2-AMINO-2-PHENYLETHYL]THIAZOLIDIN-2-ONE
CAS:32190-34-4
Levamisole EP Impurity A
LVM01

3-[(2S)-PIPERIDIN-2-YL]PYRIDINE
CAS:494-52-0
Nicotine EP Impurity G (Base) Nicotine USP RC G
NTN07B

3-[(2S)-PIPERIDIN-2-YL]PYRIDINE HCL
CAS:53912-89-3
Nicotine EP Impurity G (HCl) Nicotine USP RC G A
NTN07H

3-[(2S)-PYRROLIDIN-2-YL]PYRIDINE
CAS:494-97-3
Nicotine EP Impurity F (S)-Nornicotine
NTN06

3-[(2S,4S)-4-Mercaptopyrrolidine-2-carboxamido]benzoic acid
CAS:791582-43-9
Ertapenem Side Chain Acid (Base)
ETP60B

3-[(2S,4S)-4-Mercaptopyrrolidine-2-carboxamido]benzoic acid HCl
CAS:219909-83-8
Ertapenem Side Chain Acid (HCl)
ETP60H

3-[(3-Amino-4-methylamino-benzoyl)-pyridin-2-yl-amino] propanoic acid ethyl ester
CAS:212322-56-0
Dabigatran Methylamino Impurity
DBG43B

3-[(3-Aminobenzoyl)-pyridin-2-yl-amino] propanoic acid ethyl ester
CAS:2518220-07-8
Dabigatran 3-Aminobenzoyl Impurity
DBG44B

3-[(4,5-Dihydro-1H-imidazol-2-yl)methyl]-6-(1,1-dimethylethyl)-2,4-dimethylphenol
CAS:1491-59-4
Oxymetazoline (Base)
OMZ00B

3-[(4,5-Dihydro-1H-imidazol-2-yl)methyl]-6-(1,1-dimethylethyl)-2,4-dimethylphenol hydrochloride
CAS:2/8/2315
Oxymetazoline (HCl) Oxymetazoline Hydrochloride
OMZ00H

3-[(4-Amino-2-ethylpyrimidin-5-yl)methyl]-5-(2-hydroxyethyl)-4-methylthiazolium bromide
CAS:10593-44-9
Thiamine EP Impurity F (Base) Ethyl Thiamine
THM06B

3-[(4-Amino-2-ethylpyrimidin-5-yl)methyl]-5-(2-hydroxyethyl)-4-methylthiazolium bromide hydrobromide
CAS:4/2/6309
Thiamine EP Impurity F (HBr) Ethyl Thiamine HBr
THM06H

3-[(4-Amino-2-methyl-5-pyrimidinyl)methyl]-4-methyl-5-(4,6,6-trihydroxy-4,6-dioxido-3,5-dioxa-4,6-diphosphahex-1-yl)thiazolium chloride
CAS:154-87-0
Thiamine pyrophosphate
THM41

3-[(4-Amino-2-methylpyrimidin-5-yl)methyl]-4-methyl-5-[2-(sulfonatooxy)ethyl] thiazolium
CAS:2380-61-2
Thiamine EP Impurity A Thiamine Sulfate Thiamin
THM01

3-[(4-Amino-2-methylpyrimidin-5-yl)methyl]-5-(2-chloroethyl)-4-methylthiazolium chloride
CAS:20166-17-0
Thiamine EP Impurity C (Base) Chlorothiamine Bec
THM03B

3-[(4-Amino-2-methylpyrimidin-5-yl)methyl]-5-(2-chloroethyl)-4-methylthiazolium chloride hydrochloride
CAS:7275-24-3
Thiamine EP Impurity C (HCl) Chlorothiamine HCl
THM03H

3-[(4-AMINO-2-METHYLPYRIMIDIN-5-YL)METHYL]-5-(2-HYDROXYETHYL)-4-METHYLTHIAZOL-2(3H)-ONE
CAS:490-82-4
Thiamine EP Impurity D Oxo Thiamine
THM04

3-[(4-Amino-2-methylpyrimidin-5-yl)methyl]-5-(2-hydroxyethyl)-4-methylthiazol-2(3H)-thione
CAS:299-35-4
Thiamine EP Impurity E Thioxo Thiamine Thiothiam
THM05

3-[(4-AMINO-2-METHYLPYRIMIDIN-5-YL)METHYL]-5-(2-HYDROXYETHYL)-4-METHYLTHIAZOLIUM CHLORIDE HYDROCHLORIDE
CAS:67-03-8
Thiamine (HCl)
THM00H

3-[(4-AMINO-2-METHYLPYRIMIDIN-5-YL)METHYL]-5-(2-HYDROXYETHYL)-4-METHYLTHIAZOLIUM NITRATE
CAS:532-43-4
Thiamine (Nitrate)
THM00N

3-[(4-Aminopyrimidin-5-yl)methyl]-5-(2-hydroxyethyl)-4-methylthiazolium chloride
CAS:7771-57-5 & 7770-93-6
Thiamine EP Impurity B (Base) Desmethyl Thiamine
THM02B

3-[(4-Aminopyrimidin-5-yl)methyl]-5-(2-hydroxyethyl)-4-methylthiazolium chloride hydrochloride
CAS:49614-72-4
Thiamine EP Impurity B (HCl) Desmethyl Thiamine H
THM02H

3-[(4-Methyl-1-piperazinyl)methyl]-N-[4-methyl-3-[(4-pyridinyl)-2-pyrimidinylamino] phenyl]benzamide
CAS:1246819-59-9
Imatinib meta-MPM Impurity Imatinib Impurity E
IMT77

3-[(4-METHYLPHENYL)AMINO]PHENOL
CAS:61537-49-3
Phentolamine EP Impurity C
PTM03

3-[(Carboxymethyl)sulfinyl]-L-alanine
CAS:5439-87-2
Carbocisteine Sulfoxide
CCS51

3-[(Dimethylcarbamoyl)oxy]-1-methylpyridinium Bromide
CAS:101-26-8
Pyridostigmine bromide
PSG00

3-[(DIMETHYLCARBAMOYL)OXY]-N,N,N-TRIMETHYLANILINIUM BROMIDE
CAS:114-80-7
Neostigmine bromide
NSM00

3-[(E)-2-PHENYLETHENYL]THIAZOLIDIN-2-IMINE
CAS:37430-07-2
Levamisole EP Impurity B
LVM02

3-[(Hydroxyphenylacetyl)oxy]-1-methyl-1-azoniabicyclo[2,2,2]octane bromide
CAS:3485-62-9
Clidinium bromide
CLD00

3-[(METHYLAMINO)SULFONYL]THIOPHENE-2-CARBOXYLIC ACID
CAS:64527-92-0
Tenoxicam EP Impurity H
TXC08

3-[[(2-Nitrophenyl)methylene]amino]-2-oxazolidinone
CAS:19687-73-1
Furazolidone Impurity 1
FRZ51

3-[[(2R)-1-Methyl-2-pyrrolidinyl]methyl]-5-[(1E)-2-(phenylsulfonyl)ethenyl]-1H-indole
CAS:188113-72-6 180637-89-2
Eletriptan Impurity C Eletriptan Dehydro Impurity
ETT63B

3-[[(2R)-1-Methyl-2-pyrrolidinyl]methyl]-5-[2-(phenylsulfonyl)ethyl]-1H-indole
CAS:143322-58-1
Eletriptan (Base)
ETT00B

3-[[(2R)-1-Methyl-2-pyrrolidinyl]methyl]-5-[2-(phenylsulfonyl)ethyl]-1H-indole HBr
CAS:177834-92-3
Eletriptan (HBr)
ETT00H

3-[[(2R)-1-Methyl-2-pyrrolidinyl]methyl]-5-[2-(phenylsulfonyl)ethyl]-1H-indole N-Oxide
CAS:1217641-89-8
Eletriptan N-Oxide Eletriptan Impurity L
ETT72B

3-[[(2R)-1-Methyl-2-pyrrolidinyl]methyl]-5-[2-(phenylsulfonyl)ethyl]-N-acetyl-indole
Eletriptan N-Acetyl Impurity
ETT53B

3-[[(2R)-1-Methyl-2-pyrrolidinyl]methyl]-5-[2-(phenylsulfonyl)ethyl]-N-hydroxymethyl-indole
Eletriptan N-Hydroxymethyl Impurity
ETT54B

3-[[(2R)-2-Pyrrolidinyl]methyl]-5-[2-(phenylsulfonyl)ethyl]-1H-indole
CAS:153525-55-4
Eletriptan N-Desmethyl Impurity (Base)
ETT51B

3-[[(2R)-2-Pyrrolidinyl]methyl]-5-[2-(phenylsulfonyl)ethyl]-1H-indole HCl
CAS:1391054-78-6
Eletriptan N-Desmethyl Impurity (HCl)
ETT51H

3-[[(2R,3R)-2-[(R)-1-[3,5-Bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluoro phenyl)morpholino]methyl]-1H-1,2,4-triazol-5(4H)-one
CAS:1148113-53-4
Aprepitant EP Impurity E Aprepitant USP RC A (R,
APP05

3-[[(2RS)-2-Ethylhexyl]amino]-4-phenoxy-5-sulfamoylbenzoic acid
CAS:153012-65-8
Bumetanide EP Impurity D
BMM04

3-[[(2S)-1-Methyl-2-pyrrolidinyl]methyl]-5-[2-(phenylsulfonyl)ethyl]-1H-indole
CAS:1252673-29-2
Eletriptan (S)-Isomer (Base) Eletriptan Enantiome
ETT50B

3-[[(2S)-1-Methyl-2-pyrrolidinyl]methyl]-5-[2-(phenylsulfonyl)ethyl]-1H-indole oxalate
Eletriptan (S)-Isomer (Oxalate0 Eletriptan Enanti
ETT50X

3-[[(2S,3R)-2-[(S)-1-[3,5-Bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluoro phenyl)morpholino]methyl]-1H-1,2,4-triazol-5(4H)-one
CAS:172822-29-6
Aprepitant EP Impurity D Aprepitant USP RC B ent
APP04

3-[[(2S,4S,5S,7S)-5-Amino-4-hydroxy-7-[[4-methoxy-3-(3-methoxypropoxy)phenyl] methyl]-8-methyl-2-(1-methylethyl)-1-oxononyl]amino]-2,2-dimethyl-propanoic acid
CAS:173400-13-0
Aliskiren Carboxylic Acid Impurity
AKR53

3-[[(4-Methyl-4-oxido-1-piperazinyl)imino]methyl]rifamycin 3-[[(4-methyl-1-piperazinyl)imino]methyl]rifamycin N-4�-oxide
CAS:125833-03-6
Rifampicin EP Impurity B Rifampicin N-Oxide
RFP02

3-[[[2-[(Diaminomethylene)amino]-thiazol-4-yl]methyl]sulphinyl]-N-sulphamoylpropanamide
CAS:1020719-36-1
Famotidine EP Impurity I (Base)
FMT09B

3-[[[2-[(Diaminomethylene)amino]-thiazol-4-yl]methyl]sulphinyl]-N-sulphamoylpropanamide HCl
Famotidine EP Impurity I (HCl)
FMT09H

3-[[[2-[(Diaminomethylene)amino]thiazol-4-yl]methyl]sulfanyl]-N'-amino sulfonylpropanimidamide
CAS:76824-35-6
Famotidine
FMT00

3-[[[2-[(Diaminomethylene)amino]thiazol-4-yl]methyl]sulphanyl]-N-sulphamoyl propanamide
CAS:106433-44-7
Famotidine EP Impurity C (Base) Famotidine USP RC
FMT03B

3-[[[2-[(Diaminomethylene)amino]thiazol-4-yl]methyl]sulphanyl]-N-sulphamoyl propanamide HCl
CAS:76824-17-4
Famotidine EP Impurity C (HCl) Famotidine USP RC
FMT03H

3-[[[2-[(Diaminomethylene)amino]thiazol-4-yl]methyl]sulphanyl]propanamide
CAS:76824-16-3
Famotidine EP Impurity D Famotidine USP RC D
FMT04

3-[[[2-[(Diaminomethylene)amino]thiazol-4-yl]methyl]sulphanyl]propanimidamide
CAS:124646-10-2
Famotidine EP Impurity A (Base) Famotidine USP RC
FMT01B

3-[[[2-[(Diaminomethylene)amino]thiazol-4-yl]methyl]sulphanyl]propanimidamide dihydrochloride
CAS:88061-72-7
Famotidine EP Impurity A (2HCl) Famotidine USP RC
FMT01H

3-[[[2-[(Diaminomethylene)amino]thiazol-4-yl]methyl]sulphanyl]propanimidamide monohydrochloride
CAS:76833-47-1
Famotidine EP Impurity A (HCl) Famotidine USP RC
FMT01X

3-[[[2-[(DIAMINOMETHYLENE)AMINO]THIAZOL-4-YL]METHYL]SULPHANYL]PROPANOIC ACID
CAS:107880-74-0
Famotidine EP Impurity F Famotidine USP RC F
FMT06

3-[[2-(Diaminomethyleneamino)thiazol-4-yl]methylsulfinyl]-N'-sulfamoylpropanimidamide
CAS:90237-03-9
Famotidine Sulfoxide
FMT30

3-[[2-Hydroxy-1-(hydroxymethyl)ethyl]carbamoyl]-5-[[(2S)-2-hydroxypropanoyl]amino]-2,4,6-triiodobenzoicacid
CAS:87932-11-4
Iopamidol EP Impurity D Iopamidol BP Impurity D
IPD04

3-[[3-[[[[(1-Methylethyl)amino]carbonyl]amino]sulfonyl]-4-pyridinyl]amino]-benzoic Acid 3-((3-(N-(Isopropylcarbamoyl)sulfamoyl)pyridin-4-yl)amino)benzoic Acid
CAS:113844-99-8
Torsemide Carboxylic Acid
TSM55

3-[[3-[[[[(1-Methylethyl)amino]carbonyl]amino]sulfonyl]-4-pyridinyl]amino]-benzoic Acid Methyl Ester
Torsemide Carboxylic Acid Methyl Ester
TSM56

3-[[4-(8-Chloro-5,6-dihydro-11H-benzo[5,6]-cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl]methyl]-1-(1,2-dicarboxyethyl)-5-methylpyridin-1-ium
CAS:1354055-68-7
Rupatadine EP Impurity A
RPT01B

3-[[5-Amino-6-(2,3-dichlorophenyl)-1,2,4-triazine-3-amino]methylamino]-5-amino-6-(2,3-dichlorophenyl)-1,2,4-triazine
CAS:1797983-48-2
Lamotrigine 3,3-Dimer Impurity
LMT33

3-[[6-[(3R)-3-Amino-1-piperidinyl]-3,4-dihydro-3-methyl-2,4-dioxo-1(2H)-pyrimidinyl]methyl]benzonitrile
Alogliptin 3-Nitrile Analog Alogliptin Impurity B
ALG43B

3-[[6-O-(6-Deoxy-a-L-mannopyranosyl)-�-D-glucopyranosyl]oxy]-5,7-dihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one
CAS:17650-84-9
Rutoside EP Impurity B Kaempferol 3-Rutinoside N
RTX02

3-[[6-O-Deoxy-a-L-mannopyranosyl)-�-D-glucopyranosyl]oxy]-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4H-1-benzopyran-4-one
CAS:153-18-4
Rutoside (Anhydrous) Rutin
RTX00A

3-[[6-O-Deoxy-a-L-mannopyranosyl)-�-D-glucopyranosyl]oxy]-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4H-1-benzopyran-4-one hydrate
CAS:207671-50-9
Rutoside (Hydrate) Rutin Hydrate
RTX00H

3-[[6-O-Deoxy-a-L-mannopyranosyl)-�-D-glucopyranosyl]oxy]-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4H-1-benzopyran-4-one trihydrate
CAS:250249-75-3
Rutoside (Trihydrate) Rutin Trihydrate
RTX00T

3-[1-(Dimethylamino) ethyl]phenyl methylethylcarbamate
CAS:105601-20-5
Rivastigmine Racemate
RVS51B

3-[1-(Dimethylamino)ethyl]phenyl dimethylcarbamate
CAS:25081-93-0
Rivastigmine USP RC B (Base) rac-Rivastigmine Dim
RVS22B

3-[1-(Dimethylamino)ethyl]phenyl dimethylcarbamate HCl
CAS:105601-13-6
Rivastigmine USP RC B (HCl) rac-Rivastigmine HCl
RVS22H

3-[2-(2-Chloroethylamino)ethylamino]propyl dihydrogen phosphate
CAS:45164-26-9
Cyclophosphamide USP RC D (Base)
CPE24B

3-[2-(2-CHLOROETHYLAMINO)ETHYLAMINO]PROPYL DIHYDROGEN PHOSPHATE DIHYDROCHLORIDE
CAS:158401-51-5
Cyclophosphamide USP RC D (2HCl)
CPE24H

3-[2-(2-tert-Butoxycarbonyl-vinyl)-phenyl]-acrylic acid tertbutyl ester
CAS:926293-66-5
Lacidipine Dimer
LCD52

3-[2-(3,4-Dimethoxycyclohexyl)-1-methylethenyl]-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-14,16-dimethoxy-4,10,12,18-tetramethyl-8-(2-propen-1-yl)-15,19-epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tet
CAS:124554-16-1
Tacrolimus Methyl Ether FK-506 Methyl Ether
TCL61

3-[2-(3-CHLOROPHENYL)ETHYL]PYRIDINE-2-CARBONITRILE
CAS:31255-57-9
Loratadine Cyano Impurity
LRT40

3-[2-(Dimethylamino)ethyl]-1H-Indole-5-methanol
CAS:334981-08-7
Sumatriptan 5-Hydroxymethyl Impurity
SMT35

3-[2-(DIMETHYLAMINO)ETHYL]-N-METHYL-1H-INDOLE-5-METHANESULFONAMIDE
CAS:103628-46-2
Sumatriptan (Base)
SMT00B

3-[2-(Dimethylamino)ethyl]-N-methyl-1H-indole-5-methanesulfonamide succinate
CAS:103628-48-4
Sumatriptan (Succinate) Sumatriptan Succinate
SMT00S

3-[2-[4-(1,2-Benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
CAS:1380413-60-4
Paliperidone Desfluoro Impurity
PPD40

3-[2-[4-(1,2-Benzisoxazol-3-yl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4Hpyrido[1,2-a]pyrimidin-4-one
CAS:106266-09-5
Risperidone EP Impurity K Desfluoro Risperidone
RSP11

3-[2-[4-(2,4-Difluorobenzoyl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
CAS:158697-67-7
Risperidone EP Impurity H Risperidone Difluoroben
RSP08

3-[2-[4-(2-Fluoro-4-hydroxybenzoyl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
CAS:1391053-32-9
Risperidone 4-Hydroxybenzoyl Impurity
RSP38

3-[2-[4-(2-Hydroxybenzoyl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
Risperidone Desfluoro 2-Hydroxybenzoyl Impurity
RSP57

3-[2-[4-(4-Fluoro-2-hydroxybenzoyl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
CAS:152542-03-5
Paliperidone 2-Hydroxybenzoyl Impurity Paliperido
PPD45

3-[2-[4-(4-FLUORO-2-HYDROXYBENZOYL)PIPERIDIN-1-YL]ETHYL]-2-METHYL-6,7,8,9-TETRAHYDRO-4H-PYRIDO[1,2-A]PYRIMIDIN-4-ONE
CAS:152542-00-2
Risperidone USP RC G (base) Risperidone 2-Hydroxy
RSP27B

3-[2-[4-(4-Fluoro-2-hydroxybenzoyl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one HCl
Risperidone USP RC G (HCl) Risperidone 2-Hydroxyb
RSP27H

3-[2-[4-(5-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
CAS:1346598-34-2
Paliperidone 5-Fluoro Isomer
PPD35

3-[2-[4-(5-Fluoro-1,2-benzisoxazol-3-yl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
CAS:1199589-74-6
Risperidone EP Impurity D Risperidone 5-Fluoro Im
RSP04

3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-oxido-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
CAS:832747-55-4
Risperidone N-oxide
RSP31

3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one N-oxide
CAS:1301724-91-3
Risperidone RC 3 Risperidone Pyrimidinone N-Oxide
RSP73

3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-9(R)-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
CAS:130049-85-3
Paliperidone R-Isomer
PPD50

3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-9(S)-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
CAS:147663-01-2
Paliperidone S-Isomer
PPD51

3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
CAS:144598-75-4
Paliperidone 9-Hydroxy Risperidone Risperidone
PPD00

3-[2-[4-(6-FLUORO-1,2-BENZISOXAZOL-3-YL)-1-PIPERIDINYL]ETHYL]-7,8-DIHYDRO-2-METHYL-4H-PYRIDO[1,2-A]PYRIMIDINE-4,9(6H)-DIONE
CAS:1189516-65-1
Risperidone 9-Oxo Impurity Paliperidone 9-Oxo Imp
RSP64

3-[2-[4-(6-FLUORO-1,2-BENZISOXAZOL-3-YL)-1-PIPERIDINYL]ETHYL]-7,8-DIHYDRO-2-METHYL-4H-PYRIDO[1,2-A]PYRIMIDINE-4,9(6H)-DIONE
CAS:1189516-65-1
Paliperidone 9-Keto Impurity Paliperidone Ketone
PPD39

3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
CAS:170359-61-2
Paliperidone Tetradehydro Impurity 6,7,8,9-Dehydr
PPD44

3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)-3,6-dihydro-1(2H)-pyridinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
CAS:168906-58-9
Risperidone Dihydro Impurity
RSP40

3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
CAS:106266-06-2
Risperidone
RSP00

3-[2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl-2-oxido)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
CAS:1391053-34-1
Risperidone RC 4 Risperidone Isoxazole N-Oxide
RSP74

3-[2-[4-[(E)-(2,4-Difluorophenyl)(hydroxyimino) methyl]piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
CAS:691007-09-7
Risperidone EP Impurity A Risperidone E-Oxime
RSP01

3-[2-[4-[(E)-(2,4-Difluorophenyl)(hydroxyimino) methyl]piperidin-1-yl]ethyl]-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
CAS:1388021-46-2
Paliperidone (E)-Oxime
PPD41

3-[2-[4-[(Z)-(2,4-Difluorophenyl)(hydroxyimino) methyl]piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
CAS:132961-05-8
Risperidone EP Impurity B Risperidone Z-Oxime
RSP02

3-[2-[4-[(Z)-(2,4-Difluorophenyl)(hydroxyimino) methyl]piperidin-1-yl]ethyl]-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
CAS:1388021-47-3
Paliperidone (Z)-Oxime
PPD42

3-[2-[4-[(Z)-(4-Fluoro-2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)piperidin-1-yl)phenyl](hydroxyimino)methyl]piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one
CAS:1346606-24-3
Risperidone EP Impurity J
RSP10

3-[2-[4-[4-Fluoro-2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)piperidin-1-yl] benzoyl] piperidin-1-yl]ethyl]-2-methyl-6,7,8,9-tetrahydro-4H- pyrido[1,2-a]pyrimidin-4-one
CAS:1329796-66-8
Risperidone EP Impurity I
RSP09

3-[3,6-BIS(2-HYDROXYETHYL)PYRAZIN-2-YL]PROPANOIC ACID
CAS:96681-85-5
Clavulanate Potassium EP Impurity B
CVL02

3-[3-(Dimethylamino)-1-propyl](4-fluorophenyl)-6-cyano-1(3H)-isobenzofuranone
CAS:372941-54-3
EsCitalopram EP Impurity C (Base) Citalopram EP I
ECT03B

3-[3-(Dimethylamino)-1-propyl](4-fluorophenyl)-6-cyano-1(3H)-isobenzofuranone
CAS:372941-54-3
Citalopram EP Impurity C (Base) Citalopram USP RC
CTL03B

3-[3-(DIMETHYLAMINO)-1-PROPYL](4-FLUOROPHENYL)-6-CYANO-1(3H)-ISOBENZOFURANONE OXALATE
CAS:1440961-11-4
Citalopram EP Impurity C (Oxalate) Citalopram USP
CTL03X

3-[3-(Dimethylamino)-1-propyl](4-fluorophenyl)-6-cyano-1(3H)-isobenzofuranone oxalate salt
CAS:1440961-11-4
EsCitalopram EP Impurity C (Oxalate) Citalopram E
ECT03X

3-[3-(TRIFLUOROMETHYL)CYCLOHEXYL]PROPANOIC ACID
CAS:329-02-2
Cinacalcet Impurity 7
CCC67

3-[3-(TRIFLUOROMETHYL)PHENYL]PROPAN-1-OL
CAS:78573-45-2
Cinacalcet USP RC E Cinacalcet 3-TFM Alcohol Impu
CCC25

3-[3-(trifluoromethyl)phenyl]propyl methanesulfonate
CAS:21172-43-0
Cinacalcet USP RC A Cinacalcet Mesylate Analog
CCC21

3-[3-[[[(7S)-3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl]amino]propyl]-1,3,4,5-tetrahydro-7,8-dimethoxy-3-benzazepin-2-one
CAS:215935-23-2
Ivabradine N-Desmethyl (Base)
IVB51B

3-[3-[[[(7S)-3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl]amino]propyl]-1,3,4,5-tetrahydro-7,8-dimethoxy-3-benzazepin-2-one hydrochloride
CAS:1246638-08-3
Ivabradine N-Desmethyl (HCl)
IVB51H

3-[3-[[[(7S)-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:148849-67-6
Ivabradine (HCl)
IVB00H

3-[3-[[[(7S)-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 oxalate
CAS:1086026-42-7
Ivabradine (Oxalate)
IVB00X

3-[3-[[[(7S)-3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl]methylamino] propyl]-1,3,4,5-tetrahydro-7-hydroxy-8-methoxy-H-3-benzazepin-2-one
CAS:304462-60-0
Ivabradine 7-O-Desmethyl Impurity (Base)
IVB70B

3-[3-[[[(7S)-3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl]methylamino] propyl]-1,3,4,5-tetrahydro-7-hydroxy-8-methoxy-H-3-benzazepin-2-one HCl
Ivabradine 7-O-Desmethyl Impurity (HCl)
IVB70H

3-[3-[[[(7S)-3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl]methylamino] propyl]-1,3,4,5-tetrahydro-8-hydroxy-7-methoxy-2H-3-benzazepin-2-one
CAS:304464-97-9
Ivabradine 8-O-Desmethyl Impurity
IVB80B

3-[3-[[[(7S)-3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl]methylamino] propyl]-1,3-dihydro-7,8-dimethoxy-H-3-benzazepin-2-one
CAS:1086026-31-4
Ivabradine Dehydro Impurity (Base)
IVB50B

3-[3-[[[(7S)-3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl]methylamino] propyl]-1,3-dihydro-7,8-dimethoxy-H-3-benzazepin-2-one oxalate
CAS:1346558-08-4
Ivabradine Dehydro Impurity (Oxalate)
IVB50X

3-[3-[[[(7S)-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
CAS:2511244-97-4
Ivabradine N-oxide
IVB53B

3-[3-[[[(7S)-3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl]methylamino]propyl]-4,5-dihydro-7,8-dimethoxy-1H-3-benzazepine-1,2(3H)-dione
CAS:1616710-52-1
Ivabradine 2-Oxo (Base)
IVB52B

3-[3-[[[(7S)-3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl]methylamino]propyl]-4,5-dihydro-7,8-dimethoxy-1H-3-benzazepine-1,2(3H)-dione hydrochloride
CAS:1616710-50-9
Ivabradine 2-Oxo HCl
IVB52H

3-[3-[Bis(1-methylethyl)amino]-1-phenylpropyl]-4-hydroxybenzene methanol
CAS:200801-70-3
Fesoterodine Impurity A Fesoterodine Diol Racemat
FST01B

3-[3-Acetyl-4-[(2RS)-3-(diethylamino)-2-hydroxypropoxy]phenyl]-1,1-diethylurea
CAS:2727065-34-9
Celiprolol EP Impurity D
CLL04

3-[3-Acetyl-4-[(2RS)-3-[(1,1-dimethylethyl)amino]-2-hydroxypropoxy]phenyl]-1,1-diethylurea hydrochloride
CAS:57470-78-7
Celiprolol Hydrochloride
CLL00H

3-[3-Acetyl-4-[(2RS)-3-bromo-2-hydroxypropoxy]phenyl]-1,1-diethylurea
CAS:85045-98-3
Celiprolol EP Impurity H
CLL08

3-[3-Acetyl-4-[[(RS)-oxiranyl]methoxy]phenyl]-1,1-diethylurea
CAS:56980-98-4
Celiprolol EP Impurity G
CLL07

3-[4,5-Dihydroxy-2-[2-[[6-[(2-phenylethyl)amino]hexyl]amino]ethyl]benzyl]-4-[2-[[6-[(2-phenylethyl)amino]hexyl]amino]ethyl]benzene-1,2-diol
Dopexamine EP Impurity E
DPX05

3-[4-(2-METHYLPROPYL)PHENYL]PROPANOIC ACID
CAS:65322-85-2
Ibuprofen EP Impurity F
IBP06

3-[4-(3-Chlorophenyl)piperazin-1-yl]propyl isobutyl ether
CAS:2470436-00-9
Trazodone BP Impurity G (Base) Trazodone EP Impur
TZD07B

3-[4-(3-CHLOROPHENYL)PIPERAZIN-1-YL]PROPYL ISOBUTYL ETHER DIHYDROCHLORIDE
CAS:2512213-25-9
Trazodone BP Impurity G (2HCl) Trazodone EP Impur
TZD07H

3-[4-(4-Hydroxy-3-iodophenoxy)-3,5-diiodophenyl]propionic acid
CAS:51-26-3
Levothyroxine T3-Propionic Acid Triiodothyroprop
LTX63

3-[4-(Methylamino)-1,3-dihydro-1-oxo-2H-isoindol-2-yl]-2,6-piperidinedione
CAS:2197421-58-0
Lenalidomide N4-Methyl Impurity
LLM55

3-[4-[4-(CHLOROSULFONYL)PHENYL]-5-METHYL-3-ISOXAZOLYL]BENZENESULFONYL CHLORIDE
CAS:1373038-63-1
Parecoxib RC 1
PXB51

3-[6-[[[1-(2,2-Difluoro-1,3-benzodioxol-5-yl)cyclopropyl]carbonyl]amino]-3-methyl-2-pyridinyl]benzoic acid
CAS:936727-05-8
Lumacaftor
LMF00

3-[7-(Aminocarbonyl)-2,3-dihydro-5-[(2R)-2-[[2-[2-(2,2,2-trifluoroethoxy)phenoxy] ethyl]amino]propyl]-1H-indol-1-yl]propyl �-D-glucopyranosiduronic acid
CAS:879396-70-0
Silodosin Glucuronide (Acid) Silodosin �-D-Glucur
SLD70A

3-[7-(Aminocarbonyl)-2,3-dihydro-5-[(2R)-2-[[2-[2-(2,2,2-trifluoroethoxy)phenoxy] ethyl]amino]propyl]-1H-indol-1-yl]propyl �-D-glucopyranosiduronic acid sodium salt
CAS:879292-24-7
Silodosin Glucuronide (Sodium Salt) Silodosin �-D
SLD70N

3-[benzyl(methyl)amino]-1-phenyl-1-propanol
CAS:74681-55-3
Fluoxetine RC 1 (Base)
FXT61B

3-[Bis(2-chloroethyl)amino]-L-phenylalanine
CAS:1088-80-8
Melphalan meta-Isomer Metamelfalan
MLP63

3-{[(2-{[(4-{N'-Butyloxycarbonyl carbamimidoyl}phenyl)amino]methyl}-1-methyl-1H-benzimidazol-5-yl)carbonyl]-pyridin-2-yl-amino)propanoic acid ethyl ester
CAS:1416446-43-9
Dabigatran Ethyl Ester O-Butyl Analog Dabigatran
DBG68B

3-{[(2-{[(4-{N'-Hexyloxycarbonyl carbamimidoyl}phenyl)amino]methyl}-1-methyl-1H-benzimidazol-5-yl)carbonyl]-pyridin-2-yl-amino)propanamide
CAS:1580491-16-2
Dabigatran Etexilate Carboxamide Desethyl Dabigat
DBG84B

3-{[(2-{[(4-{N'-hexyloxycarbonyl carbamimidoyl}phenyl)amino]methyl}-1-methyl-1H-benzimidazol-5-yl)carbonyl]-pyridin-2-yl-amino)propanoic acid
CAS:212321-78-3
Dabigatran EP Impurity E (Base) Dabigatran JPBA I
DBG05B

3-{[(2-{[(4-{N'-Hexyloxycarbonyl carbamimidoyl}phenyl)amino]methyl}-1-methyl-1H-benzimidazol-5-yl)carbonyl]-pyridin-2-yl-amino)propanoic acid ethyl ester
CAS:211915-06-9
Dabigatran etexilate
DBG00B

3-{[(2-{[(4-{N'-Hexyloxycarbonyl carbamimidoyl}phenyl)amino]methyl}-1-methyl-1H-benzimidazol-5-yl)carbonyl]-pyridin-2-yl-amino)propanoic acid ethyl ester mesylate
CAS:872728-81-9
Dabigatran etexilate mesylate
DBG00M

3-{[(2-{[(4-{N'-Hexyloxycarbonyl carbamimidoyl}phenyl)amino]methyl}-1-methyl-1H-benzimidazol-5-yl)carbonyl]-pyridin-2-yl-amino)propanoic acid isopropyl ester
CAS:1610758-19-4
Dabigatran EP Impurity G Dabigatran Etexilate Iso
DBG07B

3-{[(2-{[(4-{N'-Hexyloxycarbonyl carbamimidoyl}phenyl)amino]methyl}-1-methyl-1H-benzimidazol-5-yl)carbonyl]-pyridin-2-yl-amino)propanoic acid methyl ester
CAS:211915-00-3
Dabigatran JPBA Impurity 7 Dabigatran Etexilate
DBG57B

3-{[(2-{[(4-{N'-Octyloxycarbonyl carbamimidoyl}phenyl)amino]methyl}-1-methyl-1H-benzimidazol-5-yl)carbonyl]-pyridin-2-yl-amino)propanoic acid ethyl ester
CAS:211915-07-0
Dabigatran Ethyl Ester O-Octyl Analog Dabigatran
DBG70B

3-{2-[4-(6-Fluoro-1,2-benzisoxazol-3-yl) piperidin-1-yl]ethyl}-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one N-oxide
CAS:761460-08-6
Paliperidone USP RC D Paliperidone N-Oxide
PPD24

3-Acetylamino-5-amino-2,4,6-tri-iodobenzoic acid
CAS:1713-07-1
Amidotrizoic Acid EP Impurity A Desacetyl Amidotr
ADT01A

3-ACETYLPHENYL ETHYL(METHYL)CARBAMATE
CAS:855300-09-3
Rivastigmine EP Impurity C Rivastigmine USP RC D
RVS03

3-Acetylsulfanyl-2-methylpropanoic acid
CAS:33325-40-5
Captopril EP Impurity G
CPR07

3-Amino-1-propane sulphonic acid
CAS:3687-18-1
Homotaurine
HTR00

3-Amino-2-((1,5-diamino-1,5-dioxopentan-2-yl)carbamoyl)benzoic acid
Pomalidomide Impurity 11
PLD81B

3-Amino-2-((1-amino-4-carboxy-1-oxobutan-2-yl)carbamoyl)benzoic acid
Pomalidomide Impurity 12
PLD82B

3-Amino-2-((1-carboxy-3-carboxypropyl)carbamoyl)benzoic acid
Pomalidomide Impurity 14
PLD84B

3-Amino-2-((4-amino-1-carboxy-4-oxobutyl)carbamoyl)benzoic acid
Pomalidomide Impurity 13
PLD83B

3-Amino-2-(4-(((5aR,6S)-6-methoxy-1,7-dioxo-1,3,4,5a,6,7-hexahydroazeto [2,1-b]furo[3,4-d][1,3]thiazin-6-yl)carbamoyl)-1,3-dithietan-2-ylidene)-3-oxo propanoic acid
Cefotetan Lactone Impurity
CTT44A

3-AMINO-2-CHLOROISONICOTINAMIDE
CAS:342899-34-7
Isonicotinamide RC 1
INM61

3-AMINO-2-HYDROXYBENZOIC ACID
CAS:570-23-0
Mesalazine EP Impurity F 3-Aminosalicylic Acid
MSL06

3-AMINO-2-OXAZOLIDINONE
CAS:80-65-9
Furazolidone Impurity 2
FRZ52

3-Amino-3-pyrazolecarbonitrile
CAS:16617-46-2
Allopurinol Nitrile Impurity
ALP31

3-Amino-4-imidorifamycin S
CAS:62041-01-4
Rifabutin EP Impurity D
RFB04

3-Amino-4-methyl-N-(3-(4-methyl-1H-imidazol-1-yl)-5-(trifluoromethyl)phenyl)benzamide HCl
Nilotinib RC 4 (HCl)
NLT64H

3-AMINO-4-METHYLBENZOIC ACID
CAS:2458-12-0
Nilotinib EP Impurity C Nilotinib USP RC C
NLT03

3-AMINO-4-PHENOXY-5-SULFAMOYL-BENZOIC ACID METHYL ESTER
CAS:56106-57-1
Piretanide Despyrrole Methyl Ester
PRT50

3-AMINO-4-PHENOXY-5-SULFAMOYLBENZOIC ACID
CAS:28328-54-3
Bumetanide EP Impurity B Bumetanide USP RC A N-D
BMM02

3-AMINO-5,7-DIMETHYLADAMANTAN-1-OL
CAS:63971-25-5
Memantine USP RC F (Base)
MMT26B

3-AMINO-5,7-DIMETHYLADAMANTAN-1-OL HYDROCHLORIDE
CAS:356572-08-2
Memantine USP RC F (HCl)
MMT26H

3-Amino-5-(methylthiomethyl)oxazolidin-2-one
CAS:25517-72-0
Nifuratel NFT4 Intermediate
NFT54

3-Amino-5-(pyridin-4-yl)pyridin-2(1H)-one
CAS:60719-84-8
Amrinone
ANX00

3-Amino-6-(2,3-dichlorophenyl)-1,2,4-triazin-5(4H)-one
CAS:252186-78-0
Lamotrigine EP Impurity A Lamotrigine USP RC C
LMT01

3-AMINO-6-CHLORO-N-(DIAMINOMETHYLIDENE)-5-HYDROXYPYRAZINE-2-CARBOXAMIDE
CAS:76599-74-1
Amiloride EP Impurity C (Base)
AMD03B

3-Amino-6-chloro-N-(diaminomethylidene)-5-hydroxypyrazine-2-carboxamide HCl
CAS:1207-29-0
Amiloride EP Impurity C (HCl)
AMD03H

3-Amino-N-(2-(2,6-dioxopiperidin-3-yl)-1,3-dioxoisoindolin-4-yl)propanamide hydrochloride
Pomalidomide Impurity 3
PLD73H

3-AMINO-N-(2-(2,6-DIOXOPIPERIDIN-3-YL)-1-OXOISOINDOLIN-4-YL)PROPANAMIDE
CAS:1407590-76-4
Lenalidomide N4-Propanamide Analog (Base) Lenali
LLM51B

3-Amino-N-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-4-yl)propanamide hydrochloride
Lenalidomide N4-Propanamide Analog (HCl) Lenalido
LLM51H

3-Amino-N-(alpha-carboxyphenethyl)succinamic acid N-methyl ester
CAS:22839-47-0
Aspartame
ASP00

3-AMINOBENZOIC ACID
CAS:99-05-8
Mesalazine EP Impurity D
MSL04

3-AMINOPHENOL
CAS:591-27-5
Mesalazine EP Impurity B
MSL02

3-AMINOPHTHALIC ACID
CAS:5434-20-8
Pomalidomide Impurity 1 (Base)
PLD71B

3-AMINOPHTHALIC ACID HYDROCHLORIDE
CAS:6946-22-1
Pomalidomide Impurity 1 (HCl)
PLD71H

3-AMINOPIPERIDINE-2,6-DIONE
CAS:2353-44-8
Lenalidomide Impurity 1 (Base)
LLM61B

3-Aminopiperidine-2,6-dione 2,2,2-trifluoroacetate
CAS:590365-46-1
Lenalidomide Impurity 1 (TFA)
LLM61T

3-AMINOPIPERIDINE-2,6-DIONE HYDROCHLORIDE
CAS:24666-56-6
Lenalidomide Impurity 1 (HCl)
LLM61H

3-AMINOPROPANE-1-SULFONIC ACID
CAS:3687-18-1
Acamprosate USP RC A Acamprosate EP Impurity A H
APN21A

3-Aminopropyl-phosphoric acid ester
CAS:1071-28-9
Cyclophosphamide USP RC C
CPE23

3-AMINORIFAMYCIN S
CAS:51756-80-0
Rifabutin EP Impurity B
RFB02

3-ANILINO-2-(3,4,5-TRIMETHOXYBENZYL)ACRYLONITRILE
CAS:30078-48-9
Trimethoprim EP Impurity I
TMM09

3-Benzoyl-5-(ethoxycarbonyl)methyl-N-(2-chloroethyl)pyrrole
Ketorolac 3-Benzoylpyrrole Chloro Ester Impurity
KTR51

3-Benzoyl-5-(ethoxycarbonyl)methyl-N-(2-iodoethyl)pyrrole
Ketorolac 3-Benzoylpyrrole Iodo Ester Impurity
KTR52

3-Benzoyl-5-(ethoxycarbonyl)methyl-pyrrole
Ketorolac 3-Benzoylpyrrole Ester Impurity
KTR50

3-Benzoyl-N-(2-chloroethyl)pyrrole
Ketorolac 3-Benzoylpyrrole Chloro Impurity
KTR41

3-Benzoyl-N-(2-iodoethyl)pyrrole
Ketorolac 3-Benzoylpyrrole Iodo Impurity
KTR42

3-BENZOYLPYRROLE
CAS:7126-41-2
Ketorolac 3-Benzoylpyrrole Impurity
KTR40

3-Benzyl-5-((3,5-dimethylphenoxy)methyl)oxazolidin-2-one
CAS:2385457-74-7
Metaxalone N-Benzyl Impurity
MXL50

3-BENZYL-5-(4-METHOXYPHENYL)PYRAZIN-2-AMINE
CAS:40040-81-1
Coelenteramine Methyl Ether
CTM50

3-Benzyl-5-(4-methoxyphenyl)pyrazin-2-amine N-Oxide
CAS:123437-73-0
Coelenteramine Methyl Ether N-Oxide
CTM51

3-BENZYL-6-BROMO-2-METHOXYQUINOLINE
CAS:654655-69-3
Bedaquiline 3-Benzyl Impurity
BDQ53B

3-Bromo-11-cyclopropyl-5,11-dihydro-4-methyl-6H-dipyrido[3,2-b2',3'-e][1,4]diazepin-6-one
CAS:284686-21-1
Nevirapine 3-Bromo
NVR54

3-BROMO-2-(1-METHOXYBUTYL)BENZOFURAN
CAS:1391053-51-2
Amiodarone RC 2
ADR62

3-Bromo-2-hydroxy-5-[1-hydroxy-2-[(1-methyl-3-phenylpropyl)amino]-ethyl]benzamide
Labetalol EP Impurity G (Base) 3-Bromo Labetalol
LBT07B

3-Bromo-2-hydroxy-5-[1-hydroxy-2-[(1-methyl-3-phenylpropyl)amino]-ethyl]benzamide HCl
Labetalol EP Impurity G (HCl) 3-Bromo Labetalol H
LBT07H

3-BROMO-2-METHYLPROPANOIC ACID
CAS:56970-78-6 80586-28-3
Captopril EP Impurity D Captopril USP RC D Capto
CPR04

3-Bromo-4-[3-(2-bromo-4-carbamimidoylphenoxy)propoxy]benzamide
Dibromopropamidine EP Impurity A
DBP01

3-Bromo-4-[3-(4-carbamimidoylphenoxy)propoxy]benzimidamide
Dibromopropamidine EP Impurity B
DBP02

3-BROMO-4-ETHOXYPHENOL
CAS:1216224-85-9
Reboxetine RC 2
RBX62

3-BROMO-5-(TRIFLUOROMETHYL)BENZENAMINE
CAS:54962-75-3
Nilotinib Bromo Impurity
NLT45

3-BROMO-5-FLUOROISONICOTINAMIDE
CAS:1353636-72-2
Isonicotinamide RC 6
INM66

3-BROMO-6-METHOXY-2-(4-METHOXYPHENYL)BENZO[B]THIOPHENE
CAS:176672-06-3
Raloxifene RC 4
RLX64

3-BROMO-7-CHLOROQUINOLIN-4-OL
CAS:860715-45-3
Hydroxychloroquine RC 2
HCQ72

3-BROMOIMIDAZO[1,2-B]PYRIDAZINE
CAS:18087-73-5
Ponatinib RC 3
PTN63

3-BUTOXY-4-NITROBENZOIC ACID
CAS:72101-53-2
Procaine RC 4
PCE64

3-Butyl-9,10-dimethoxy-3,4,6,7-tetrahydro-1H-pyrido[2,1-a]isoquinolin-2(11bH)-one
CAS:19328-35-9
Tetrabenazine 3-n-Butyl
TBZ63

3-Butyryloxymethyl 5-ethyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
Clevidipine Impurity 11
CLV61

3-Butyryloxymethyl 5-isopropyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
Clevidipine Impurity 15
CLV65

3-Butyryloxymethyl 5-methyl 4-(2,3-dichlorophenyl)-2,6-dimethylpyridine-3,5-dicarboxylate
CAS:188649-48-1
Clevidipine Impurity 5
CLV55

3-CARBAMIMIDOYL-1,1-DIMETHYLUREA
CAS:118632-64-7
Metformin RC 2
MTF62B

3-Carbamimidoyl-1,1-dimethylurea hydrochloride
Metformin RC 2 (HCl)
MTF62H

3-Carbamoyl-1,4-dihydro-1-methylpyridine
CAS:17750-23-1
Nicotinamide 1-Methyl 1,4-Dihydro Impurity
NCT51

3-Carboxy-5-methylhexanoic acid
CAS:5702-99-8
Pregabalin 3-Carboxy Impurity Pregabalin 3-Carbox
PRG34

3-Carboxy-5-nitropyridine
CAS:2047-49-6
Nicotinamide 5-Nitronicotinic Acid Impurity
NCT50

3-CARBOXY-N,N,N-TRIMETHYL-2-PROPEN-1-AMINIUM CHLORIDE
CAS:6538-82-5
Levocarnitine EP Impurity A Levocarnitine USP RC
LCT01

3-Chloro-?a-?[?1-?[(1,?1-?dimethylethyl)?amino]?ethyl]?-?benzenemethanol
CAS:119802-68-5
Bupropion Dihydro Racemate (Base) Dihydro Bupropi
BPP50B

3-Chloro-?a-?[?1-?[(1,?1-?dimethylethyl)?amino]?ethyl]?-?benzenemethanol hydrochloride
CAS:1396889-62-5
Bupropion Dihydro Racemate (HCl) Dihydro Bupropio
BPP50H

3-Chloro-?a-?[?1-?[(1,?1-?dimethylethyl)?amino]?ethyl]?-?benzenemethanol maleate
Bupropion Dihydro Racemate (Maleate) Dihydro Bupr
BPP50M

3-CHLORO-1,2-BENZISOTHIAZOLE
CAS:7716-66-7
Lurasidone CBI Impurity
LRS36

3-CHLORO-1-(2-NITROPHENYL)-5,6-DIHYDROPYRIDIN-2(1H)-ONE
Apixaban Impurity 17
APX77

3-Chloro-1-(4-(2-oxopiperidin-1-yl)phenyl)-5,6-dihydropyridin-2(1H)-one
Apixaban Impurity 40
APXX0

3-CHLORO-1-(4-NITROPHENYL)-5,6-DIHYDROPYRIDIN-2(1H)-ONE
CAS:536760-29-9
Apixaban Impurity 18
APX78

3-CHLORO-10,11-DIHYDRO-5H-DIBENZ[B,F]AZEPINE
CAS:32943-25-2
Carbamazepine 3-Chloroiminodibenzyl Impurity Clom
CBM53

3-CHLORO-10,11-DIHYDRO-5H-DIBENZO[B,F]AZEPINE
CAS:32943-25-2
Clomipramine EP Impurity F Clomipramine USP RC F
CLP06

3-Chloro-10,11-dihydro-N-methyl-5H-dibenz[b,f]azepine-5-propanamine
CAS:303-48-0
Clomipramine RC 3 (Base) N-Desmethyl Clomipramine
CLP63B

3-Chloro-10,11-dihydro-N-methyl-5H-dibenz[b,f]azepine-5-propanamine hydrochloride
CAS:29854-14-6
Clomipramine RC 3 (HCl) N-Desmethyl Clomipramine
CLP63H

3-CHLORO-10H-PHENOTHIAZINE
CAS:1207-99-4
Perphenazine Impurity 7
PPZ77

3-CHLORO-11-(4-METHYLPIPERAZIN-1-YL)DIBENZO[B,F][1,4]OXAZEPINE
CAS:3454-96-4
Loxapine USP RC A 3-Chloro Loxapine
LXN21

3-CHLORO-11-(PIPERAZIN-1-YL)DIBENZO[B,F][1,4]OXAZEPINE
Amoxapine USP RC G Amoxapine 2-Deschloro 3-Chloro
AXP27

3-CHLORO-2-METHYLANILINE
CAS:87-60-5
Tolfenamic Acid EP Impurity B (Base)
TLM02B

3-CHLORO-2-METHYLANILINE HCL
CAS:6259-40-1
Tolfenamic Acid EP Impurity B (HCl)
TLM02H

3-Chloro-3-(4-chlorophenyl)isobenzofuran-1(3H)-one
CAS:55275-44-0
Chlorthalidone RC 4
CTD64

3-Chloro-4-(6-(2-chlorophenyl)-1,2,4,5-tetrazin-3-yl)phenol
CAS:107573-61-5
Clofentezine 4-Hydroxy
CFN54

3-CHLORO-4-FLUOROANILINE
CAS:367-21-5
Canertinib CFA Impurity
CNT51

3-Chloro-4-methyl-9-oxo-9,10-dihydroacridine
CAS:1609192-68-8
Tolfenamic Acid EP Impurity C
TLM03

3-Chloro-5-(prop-2-enyl)-10,11-dihydro-5H-dibenzo[b,f]azepine
CAS:1425793-87-8
Clomipramine EP Impurity G
CLP07

3-CHLORO-6-METHOXY-2-(4-METHOXYPHENYL)BENZO[B]THIOPHENE
CAS:103597-06-4
Raloxifene RC 8
RLX68

3-Chloro-6-methyldibenzo[c,f][1,2]thiazepin-11(6H)-one S,S-dioxide
CAS:26638-53-9
Tianeptine EP Impurity C
TNP03

3-CHLORO-7-METHYL-1,2,4-BENZOTRIAZINE 1-OXIDE
CAS:54448-50-9
Azapropazone RC 1
AZZ61

3-CHLORO-9H-CARBAZOLE
CAS:2732-25-4
Carprofen EP Impurity E
CRN05

3-CHLORO-N,N-DIMETHYL-3-PHENYLPROPAN-1-AMINE
CAS:79130-51-1
Fluoxetine RC 2 (Base)
FXT62B

3-CHLORO-N,N-DIMETHYL-3-PHENYLPROPAN-1-AMINE HYDROCHLORIDE
CAS:1011-59-2
Fluoxetine RC 2 (HCl)
FXT62H

3-CHLORO-N,N-DIMETHYLPROPAN-1-AMINE
CAS:109-54-6
Benzydamine EP Impurity G (Base)
BDN07B

3-CHLORO-N,N-DIMETHYLPROPAN-1-AMINE HYDROCHLORIDE
CAS:4/5/5407
Benzydamine EP Impurity G (HCl)
BDN07H

3-CHLORO-N-(2-CHLORO-4-NITROPHENYL)-2-HYDROXYBENZAMIDE
CAS:16739-20-1
Niclosamide 5-Deschloro 3-Chloro
NCS53

3-CHLORO-N-(2-CHLOROETHYL)PROPAN-1-AMINE
CAS:42453-19-0
Ifosfamide EP Impurity E (Base)
IFF05B

3-CHLORO-N-(2-CHLOROETHYL)PROPAN-1-AMINE HYDROCHLORIDE
CAS:78218-47-0
Ifosfamide EP Impurity E (HCl)
IFF05H

3-CHLORO-N-(3-HYDROXYPHENYL)PROPANAMIDE
CAS:50297-40-0
Aripiprazole Impurity 4
ARP64

3-Chloro-N-[2-(3,4-dimethoxyphenyl)ethyl]-N-methylpropan-1-amine
CAS:36770-74-8
Verapamil EP Impurity D (Base)
VRP04B

3-Chloro-N-[2-(3,4-dimethoxyphenyl)ethyl]-N-methylpropan-1-amine HCl
CAS:36770-75-9
Verapamil EP Impurity D (HCl)
VRP04H

3-Chloro-N-[5-chloro-4-[(RS)-(4-chlorophenyl)cyanomethyl]-2-methylphenyl]-2-hydroxy-5-iodobenzamide
Closantel EP Impurity E Desiodo Chloro Closantel
CSX05

3-CHLORO-N-METHYLPROPAN-1-AMINE
CAS:65232-62-4
Chlorpromazine RC 4 (Base)
CPZ54B

3-CHLORO-N-METHYLPROPAN-1-AMINE HYDROCHLORIDE
CAS:97145-88-5
Chlorpromazine RC 4 (HCl)
CPZ54H

3-CHLOROBENZOIC ACID
CAS:535-80-8
Bupropion 3-CBA Impurity
BPP57

3-Chloroisoindolin-1-one
CAS:30696-82-3
Chlorthalidone RC 5
CTD65

3-CHLOROMETHYL-5-METHYLPYRIDINE HYDROCHLORIDE
CAS:1007089-84-0
Rupatadine RC 1 (HCl)
RPT51H

3-CHLOROPROPANOIC ACID
CAS:107-94-8
Brexpiprazole Impurity 14
BRX74

3-CHLOROPROPIOPHENONE
CAS:936-59-4
Bupropion 3-CPP Impurity
BPP56

3-CHLOROTHIOPHENE-2-CARBOXYLIC ACID
CAS:59337-89-2
Rivaroxaban 3-CTCA Impurity Rivaroxaban 3-Chloro
RVR32

3-CINNAMYL 5-(2-METHOXYETHYL) 2,6-DIMETHYL-4-(3-NITROPHENYL)-1,4-DIHYDROPYRIDINE-3,5-DICARBOXYLATE
CAS:132203-70-4
Cilnidipine
CND00

3-CYANO-4-FLUOROPHENYLBORONIC ACID
CAS:214210-21-6
Entrectinib RC 5
ETX65

3-CYANO-5-METHYLHEXANOIC ACID
CAS:181289-16-7
Pregabalin 3-Cyano (Acid)
PRG35A

3-Cyano-5-methylhexanoic acid sodium salt
Pregabalin 3-Cyano (Sodium Salt)
PRG35N

3-CYCLOPENTYL-3-(4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-1H-PYRAZOL-1-YL)PROPANENITRILE
CAS:1153949-38-2
Ruxolitinib RC 5
RLT65B

3-CYCLOPROPYL-1-(2-FLUORO-4-IODOPHENYL)-6-(METHYLAMINO)PYRIMIDINE-2,4(1H,3H)-DIONE
CAS:871700-22-0
Trametinib RC 1
TNB51

3-Cyclopropyl-5-(2-fluoro-4-iodophenylamino)-6,8-dimethyl-1-(2-methylquinolin-7-yl)pyrido[4,3-d]pyrimidine-2,4,7(1H,3H,6H)-trione
Trametinib RC 3 Trametinib Quinolinyl Impurity
TNB53

3-Cyclopropyl-5-(2-fluoro-4-iodophenylamino)-6,8-dimethyl-1-(3-nitrophenyl)pyrido[4,3-d]pyrimidine-2,4,7(1H,3H,6H)-trione
CAS:1279693-89-8
Trametinib RC 5 Trametinib Nitro Impurity
TNB55

3-CYCLOPROPYLMETHOXY-4-DIFLUOROMETHOXYBENZOIC ACID
CAS:162401-62-9
Roflumilast Carboxylic Acid Impurity
RFM51

3-Deshydroxy Azithromycin
CAS:307974-61-4
Azithromycin EP Impurity B Azithromycin B 3-Deox
AZM02

3-Dibenz[b,e]oxepin-11(6H)-ylidene-N,N-dimethyl-1-propanamine N-Oxide
CAS:22684-91-9
Doxepin-N-Oxide
DXP55

3-Ethoxy-17a-ethynyles3,5-dien-17�-ol acetate
CAS:50717-99-2
Norethindrone Acetate EP Impurity I Norethindrone
NEA09

3-ETHOXY-4-(MORPHOLIN-2-YL(PHENYL)METHOXY)PHENOL
CAS:140431-51-2
Reboxetine RC 10
RBX70

3-ETHOXY-4-HYDROXYBENZALDEHYDE
CAS:121-32-4
Ethyl Vanillin
EVN00

3-Ethyl 5-ethyl 4-(2-chlorophenyl)-6-methyl-2-[2- [(2-amino ethoxy)methyl]-1,4-dihydropyridine-3,5-dicarboxylate
CAS:140171-65-9
Amlodipine EP Impurity E (Base) Amlodipine USP RC
AML05B

3-Ethyl 5-ethyl 4-(2-chlorophenyl)-6-methyl-2-[2- [(2-amino ethoxy)methyl]-1,4-dihydropyridine-3,5-dicarboxylate besylate
Amlodipine EP Impurity E (Besylate) Amlodipine US
AML05Z

3-Ethyl 5-ethyl 4-(2-chlorophenyl)-6-methyl-2-[2- [(2-amino ethoxy)methyl]-1,4-dihydropyridine-3,5-dicarboxylate maleate
CAS:400024-12-6
Amlodipine EP Impurity E (Maleate) Amlodipine USP
AML05M

3-Ethyl 5-methyl (�)-2-[(2-aminoethoxy)methyl]-4-(o-chlorophenyl)-1,4-dihydro-6-methyl-3,5-pyridinedicarboxylate monobenzenesulfonate
CAS:111470-99-6
Amlodipine (Besylate) Amlodipine Benzenesulfonate
AML00Z

3-Ethyl 5-methyl (�)-2-[(2-aminoethoxy)methyl]-4-phenyl-1,4-dihydro-6-methyl-3,5-pyridinedicarboxylate
CAS:88150-52-1
Amlodipine Deschloro Impurity (Base)
AML60B

3-Ethyl 5-methyl (�)-2-[(2-aminoethoxy)methyl]-4-phenyl-1,4-dihydro-6-methyl-3,5-pyridinedicarboxylate HCl
CAS:103069-33-6
Amlodipine Deschloro Impurity (HCl)
AML60H

3-Ethyl 5-methyl (�)-2-[(2-aminoethoxy)methyl]-4-phenyl-1,4-dihydro-6-methyl-3,5-pyridinedicarboxylate oxalate
Amlodipine Deschloro Impurity (Oxalate)
AML60X

3-Ethyl 5-methyl 2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1-nitroso-1,4-dihydropyridine-3,5-dicarboxylate
Amlodipine N-Nitroso Impurity
AML48B

3-ETHYL 5-METHYL 2-[(2-AMINOETHOXY)METHYL]-4-(2- CHLOROPHENYL)-6-METHYLPYRIDINE-3,5-DICARBOXYLATE
CAS:113994-41-5
Amlodipine EP Impurity D (Base) Amlodipine USP RC
AML04B

3-Ethyl 5-methyl 2-[(2-aminoethoxy)methyl]-4-(2- chlorophenyl)-6-methylpyridine-3,5-dicarboxylate fumarate
CAS:2138811-33-1
Amlodipine EP Impurity D (Fumarate) Amlodipine US
AML04F

3-Ethyl 5-methyl 2-[(2-aminoethoxy)methyl]-4-(2- chlorophenyl)-6-methylpyridine-3,5-dicarboxylate oxalate
CAS:1216406-90-4
Amlodipine EP Impurity D (Oxalate) Amlodipine USP
AML04X

3-Ethyl 5-methyl 2-[(2-azidoethoxy)methyl]-4-(2-chlorophenyl)-6-methyl-1,4- dihydropyridine-3,5-dicarboxylate
CAS:88150-46-3
Amlodipine Azido Impurity
AML54

3-Ethyl 5-methyl 4-(2-chlorophenyl)-2,6-bis((2-(1,3-dioxoisoindolin-2-yl)ethoxy)methyl)-1,4-dihydropyridine-3,5-dicarboxylate
CAS:223734-99-4
Amlodipine Intermediate 6
AML86

3-ETHYL 5-METHYL 4-(2-CHLOROPHENYL)-2-((2-((3R,5R)-7-(2-(4-FLUOROPHENYL)-5-ISOPROPYL-3-PHENYL-4-(PHENYLCARBAMOYL)-1H-PYRROL-1-YL)-3,5-DIHYDROXYHEPTANAMIDO)ETHOXY)METHYL)-6-METHYL-1,4-DIHYDROPYRIDINE-3,5-DICARBOXYLATE
CAS:425408-16-8
Atorvastatin Amlodipine Adduct
ATV97

3-ETHYL 5-METHYL 4-(2-CHLOROPHENYL)-2-[[2-(1,3-DIOXO- 1,3-DIHYDRO-2H-ISOINDOL-2-YL)ETHOXY]METHYL]-6-METHYL-1,4- DIHYDROPYRIDINE-3,5-DICARBOXYLATE
CAS:88150-62-3
Amlodipine EP Impurity A Amlodipine USP RC D Aml
AML01

3-Ethyl 5-methyl 4-(2-chlorophenyl)-6-methyl-2-((2-(((2R,3R,4R,5R)-2,3,4,5,6-pentahydroxyhexyl) amino)ethoxy)methyl)-1,4-dihydropyridine-3,5-dicarboxylate acetate salt
Amlodipine Mannitol Adduct (Acetate Salt)
AML52A

3-Ethyl 5-methyl 4-(2-chlorophenyl)-6-methyl-2-[[2- [[2-(methyl carbamoyl) benzoyl] amino] ethoxy]methyl]-1,4- dihydropyridine-3,5-dicarboxylate
CAS:721958-72-1
Amlodipine EP Impurity B Amlodipine USP RC B
AML02

3-Ethyl 5-methyl 4-(2-chlorophenyl)-6-methyl-2-[2-[(2-carboxybenzoyl) amino ethoxy)]methyl]-1,4-dihydropyridine-3,5-dicarboxylate
CAS:318465-73-5
Amlodipine EP Impurity H
AML08

3-Ethyl 5-methyl 4-(4-chlorophenyl)-2-((2-(1,3-dioxoisoindolin-2-yl)ethoxy)methyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate
Amlodipine Intermediate 8 Amlodipine EP Impurity
AML88

3-ETHYL-2,5-DIHYDRO-4-METHYL-2-OXO-N-(2-PHENYLETHYL)-1H-PYRROLE-1-CARBOXAMIDE
CAS:247098-18-6
Glimepiride Phenylethyl Impurity
GLM35

3-ETHYL-2-METHYL-4H-PYRIDO[1,2-A]PYRIMIDIN-4-ONE
CAS:16867-31-5
Risperidone RC 14
RSP84

3-Ethyl-2-methyl-6,7,8,9-tetrahydro-4H-pyrido-(1,2-a)-pyrimidin-4-one
CAS:70381-58-7
Risperidone Ethyl Impurity
RSP41

3-Ethyl-3-methyl-dihydrofuran-2,5-dione
CAS:50598-33-9
Ethosuximide EP Impurity B
ETS02

3-Ethyl-4-methyl-2-oxo-N-[2-(3-sulphamoylphenyl) ethyl]-2,3-dihydro-1H-pyrrole-1-carboxamide
Glimepiride EP Impurity E Glimepiride USP RC E
GLM05

3-ETHYL-4-METHYL-N-(4-(N-((REL-(1R,4R)-4-METHYLCYCLOHEXYL)CARBAMOYL)SULFAMOYL)PHENETHYL)-2-OXO-2,5-DIHYDRO-1H-PYRROLE-1-CARBOXAMIDE
CAS:93479-97-1
Glimepiride
GLM00

3-Ethyl-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido [1,2-a]pyrimidin-4-one
CAS:849903-79-3
Paliperidone USP RC A Paliperidone Ethyl Impurity
PPD21B

3-Ethyl-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido [1,2-a]pyrimidin-4-one HCl
CAS:849727-64-6
Paliperidone USP RC A (HCl) Paliperidone Ethyl Im
PPD21H

3-ETHYLADAMANTAN-1-AMINE
CAS:41100-45-2
Memantine USP RC I (Base)
MMT29B

3-ETHYLADAMANTAN-1-AMINE HYDROCHLORIDE
CAS:80121-67-1
Memantine USP RC I (HCl)
MMT29H

3-ETHYLPYRIDINE-4-CARBOTHIOAMIDE
CAS:10605-12-6
Isonicotinamide RC 24 Isonicotinamide 3-Ethyl
INM84

3-Ethynyl-19-norpregna-3,5-dien-20-yn-17�-ol
CAS:79727-03-0
Norethindrone EP Impurity E Norethindrone 3-Ethin
NED05

3-ETHYNYL-4-METHYL-N-(4-((4-METHYLPIPERAZIN-1-YL)METHYL)-3-(TRIFLUOROMETHYL)PHENYL)BENZAMIDE
CAS:957147-18-1
Ponatinib RC 5
PTN65

3-ETHYNYL-N-(4-FORMYL-3-(TRIFLUOROMETHYL)PHENYL)-4-METHYLBENZAMIDE
CAS:1638193-95-9
Ponatinib RC 6
PTN66

3-ETHYNYLIMIDAZO[1,2-B]PYRIDAZINE
CAS:943320-61-4
Ponatinib RC 4
PTN64

3-FLUORO-4-(MORPHOLIN-4-YL)PHENYL-N-ACETYLAMINE
CAS:1807854-53-0
Linezolid Phenyl-N-Acetylamine Impurity
LNZ48

3-Fluoro-4-(morpholin-4-yl)phenylamine
CAS:93246-53-8
Linezolid Phenylamine Impurity
LNZ38

3-FLUOROBENZYL ALCOHOL
CAS:456-47-3
Tavaborole USP RC A
TVB21

3-GUANIDINO-4-METHYL-N-(3-(4-METHYL-1H-IMIDAZOL-1-YL)-5-(TRIFLUOROMETHYL)PHENYL)BENZAMIDE
Nilotinib RC 1
NLT61B

3-HYDRAZINYLBENZAMIDE
CAS:473927-51-4
Frovatriptan 3-Hydrazinylbenzamide Impurity Frova
FTT55

3-Hydroxy Desloratadine 4-(8-Chloro-3-hydroxy-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-piperidine
CAS:119410-08-1
Desloratadine 3-Hydroxy Impurity Loratadine Deset
DLR73

3-Hydroxy-1,2-benzisothiazole
CAS:2634-33-5
Lurasidone HBI Impurity
LRS46

3-HYDROXY-1,2-DIMETHYLPYRIDIN-4(1H)-ONE
CAS:30652-11-0
Deferiprone
DFX00

3-Hydroxy-1,3,5(10),6,8-estrapentaen-17-one
CAS:517-09-9
Equilenin
EQL00

3-Hydroxy-1,3,5(10),6,8-estrapentaen-17-one 3-sulfate sodium salt
CAS:16680-48-1
Equilenin Sodium Sulfate
EQL50N

3-Hydroxy-1,3,5(10),7-estratetraen-17-one
CAS:474-86-2
Equilin 7,8-Dehydroestrone
EQU00

3-Hydroxy-1,3-diphenyl-5-(piperidin-1-yl)-2-(piperidin-1-ylmethyl)pentan-1-one
Benzhexol RC 1 (Base)
BZX61B

3-Hydroxy-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:1253056-01-7
Sitagliptin hydroxy amide impurity
SGT56

3-HYDROXY-1-METHYL-ESTRA-1,3,5(10)-TRIEN-17-ONE
CAS:4011-48-7
Estrone 1-Methyl Impurity
ETN71

3-HYDROXY-1-METHYLPYRIDINIUM BROMIDE
CAS:31034-86-3
Pyridostigmine EP Impurity B (Bromide) Pyridostig
PSG02X

3-HYDROXY-1-METHYLPYRIDINIUM IODIDE
CAS:5/2/7500
Pyridostigmine EP Impurity B (Iodide) Pyridostigm
PSG02Y

3-Hydroxy-1-methylquinuclidinium 3-Hydroxy-1-methyl-1-azoniabicyclo[2.2.2]octane
CAS:76201-95-1
Clidinium Bromide USP RC A (Base)
CLD21B

3-Hydroxy-1-methylquinuclidinium bromide
CAS:2096336-00-2
Clidinium Bromide USP RC A (Bromide)
CLD21X

3-Hydroxy-2,2-dimethylbutanoic acid 1,2,3,7,8,8a-hexahydro-3,7-dimethyl-8-[2-(tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl)ethyl]-1-naphthalenyl ester
CAS:126313-98-2
Simvastatin beta-Hydroxy Impurity 3"-Hydroxy Simv
SVS40

3-HYDROXY-2-METHOXYESTRA-1,3,5(10)-TRIEN-17-ONE
CAS:362-08-3
Estrone 2-Methoxy Impurity 2-Hydroxyestrone 2-Met
ETN50

3-HYDROXY-2-METHYL-4H-PYRAN-4-ONE
CAS:118-71-8
Deferiprone EP Impurity B Maltol
DFX02

3-HYDROXY-2-METHYLPYRIDIN-4(1H)-ONE
CAS:17184-19-9
Deferiprone N-Desmethyl Impurity
DFX50

3-Hydroxy-4-methoxyestra-1,3,5(10)-trien-17-one
CAS:58562-33-7
Estrone 4-Methoxy Impurity
ETN56

3-Hydroxy-4-methylestra-1,3,5(10)-trien-17-one
Estrone 4-Methyl Impurity
ETN57

3-Hydroxy-4-methylestra-1,3,5(10)-trien-17�-yl pentanoate
CAS:1359847-37-2
Estradiol Valerate EP Impurity D
EDV04

3-HYDROXY-4-METHYLTHIOPHEN-2(5H)-ONE
CAS:34876-35-2
Cefalexin EP Impurity D Cefadroxil EP Impurity G
CFL04

3-HYDROXY-4-METHYLTHIOPHEN-2(5H)-ONE
CAS:34876-35-2
Cefadroxil EP Impurity G Cefalexin EP Impurity D
CDX07

3-HYDROXY-4-METHYLTHIOPHEN-2(5H)-ONE
CAS:34876-35-2
Cefradine EP Impurity F Cefadroxil EP Impurity G
CDN06

3-HYDROXY-4-NITROBENZOIC ACID
CAS:619-14-7
Tafamidis RC 1
TFD51

3-Hydroxy-5-[(1RS)-1-hydroxy-2-[(1-methylethyl)amino]ethyl]cyclohex-2-enone
Orciprenaline EP Impurity C
OCP03

3-Hydroxy-5-methyl-1-phenylpyridin-2(1H)-one
CAS:887406-53-3
Pirfenidone 3-Hydroxy
PFD58

3-HYDROXY-5H-DIBENZ[B,F]AZEPINE-5-CARBOXAMIDE
CAS:68011-67-6
Carbamazepine Impurity 16 3-Hydroxy Carbamazepine
CBM76

3-HYDROXY-6H-BENZO[C]CHROMEN-6-ONE
CAS:1139-83-9
Urolithin B
ULT60

3-Hydroxy-8,10-dimethoxy-6H-benzo[c]chromen-6-one
Urolithin M7 8,10-Di-O-Methyl
ULT57

3-Hydroxy-8,9,10-trimethoxy-6H-benzo[c]chromen-6-one
CAS:107100-41-4
Urolithin M6 8,9,10-Trimethoxy
ULT56

3-Hydroxy-8,9-dimethoxy-6H-benzo[c]chromen-6-one
CAS:126438-35-5
Urolithin C 8,9-Dimethyl Diether 8,9-Di-O-Methyl
ULT79

3-HYDROXY-8-METHOXY-6H-BENZO[C]CHROMEN-6-ONE
CAS:35233-17-1
Urolithin A 8-Methyl Ether 8-O-Methyl Urolithin A
ULT58

3-Hydroxy-9-methoxy-6H-benzo[c]chromen-6-one
CAS:1460291-56-8
Isourolithin A 9-O-Methyl Impurity
IUT52

3-Hydroxy-a-[[methyl(phenylmethyl)amino]methyl]benzenemethanol
CAS:1159977-09-9
Phenylephrine EP Impurity D Racemate rac- Benzylp
PNP54B

3-HYDROXY-ESTRA-1,3,5(10),9(11) -TETRAEN-17-ONE
CAS:1089-80-1
Estrone 9-Dehydro Impurity 9(11)-Dehydro Estrone
ETN62

3-HYDROXY-N,N,N-TRIMETHYLANILINIUM
CAS:3483-84-9
Neostigmine EP Impurity A (Base)
NSM01B

3-HYDROXY-N,N,N-TRIMETHYLANILINIUM IODIDE
CAS:2498-27-3
Neostigmine EP Impurity A (Iodide)
NSM01X

3-Hydroxybutan-2-yl 2-(3-phenoxyphenyl)propanoate
Fenoprofen 2,3-Butylene Glycol Ester
FPF50

3-HYDROXYESTRA-1,3,5(10),8-TETRAEN-17-ONE
CAS:474-87-3
Estrone 8(9)-Dehydro Impurity Estratetraenone
ETN61

3-Hydroxyestra-1,3,5(10),9(11)-tetraen-17�-yl pentanoate
CAS:95959-20-9
Estradiol Valerate EP Impurity C
EDV03

3-HYDROXYESTRA-1,3,5(10)-TRIEN-17-ONE
CAS:53-16-7
Ethinylestradiol EP Impurity C Estradiol EP Impur
ETE03

3-HYDROXYESTRA-1,3,5(10)-TRIEN-17-ONE
CAS:53-16-7
Estriol EP Impurity B Estrone Ethinylestradiol E
EST02

3-HYDROXYESTRA-1,3,5(10)-TRIEN-17-ONE
CAS:53-16-7 19973-76-3
Estradiol EP Impurity A Estriol EP Impurity B Et
ETL01

3-Hydroxyestra-1,3,5(10)-trien-17�-yl benzoate
CAS:983-30-2
Estradiol Benzoate EP Impurity D
EDB04

3-Hydroxyestra-1,3,5(10)-trien-17�-yl butanoate
CAS:18069-79-9
Estradiol Valerate EP Impurity F Estradiol 17-But
EDV06

3-Hydroxyestra-1,3,5(10)-trien-17�-yl pentanoate
CAS:979-32-8
Estradiol Valerate Estradiol 17-Valerate
EDV00

3-Hydroxyestra-1,3,5(10)-triene-6,17-dione
CAS:1476-34-2
Estrone 6-Keto Impurity 6-Oxo Estrone
ETN59

3-HYDROXYISOINDOLIN-1-ONE
CAS:26486-93-1
Chlorthalidone RC 6
CTD66

3-Hydroxyquinuclidine 1-Azabicyclo[2.2.2]octan-3-ol
CAS:1619-34-7
Solifenacin Hydroxyquinuclidine Impurity (Base)
SLF43B

3-Imino-6-oxocyclohexa-1,4-dienecarboxylic acid
CAS:143228-42-6
Mesalazine RC 1 Azoxystrobin Impurity 3
MSL61

3-Iodo-4-methyl-N-(3-(4-methyl-1H-imidazol-1-yl)-5-(trifluoromethyl) phenyl) benzamide
CAS:926922-18-1
Nilotinib Iodo Impurity
NLT47

3-ISOBUTYL 5-METHYL 2,6-DIMETHYL-4-(2-NITROSOPHENYL)PYRIDINE-3,5-DICARBOXYLATE
CAS:87375-91-5
Nisoldipine USP RC E Dehydro Nitrosonisoldipine
NSD25

3-ISOBUTYL-1H-PYRAZOLE-5-CARBOXYLIC ACID
CAS:92933-49-8
Sildenafil RC 42
SDFD2

3-Isobutyl-4-nitro-1H-pyrazole-5-carboxylic acid
CAS:222729-55-7
Sildenafil RC 41
SDFD1

3-Isobutylpentanedioic acid 3-(Carboxymethyl)-5-methylhexanoic acid
CAS:75143-89-4
Pregabalin 3-Carboxymethyl Impurity Pregabalin Is
PRG38

3-MERCAPTO-2-METHYLPROPANOIC ACID
CAS:26473-47-2
Captopril EP Impurity C Captopril USP RC C
CPR03A

3-Methoxy-1,3,5(10),7-estratetraen-17-one
CAS:6030-83-7
Equilin 3-O-Methyl Ether
EQU53

3-Methoxy-18-methyl-1,3,5(10)-estratrien-17�-ol
CAS:3625-82-9
Gestodene EP Impurity G Desethynyl Dehydro Impurit
GTD57

3-Methoxy-20-oxopregna-3,5-dien-17-yl acetate
CAS:1054-64-4
Chlormadinone Acetate EP Impurity H
CMN08

3-Methoxy-4-((5-(methoxycarbonyl)-1-methyl-1H-indol-3-yl)methyl)benzoic acid
CAS:1159195-66-0
Zafirlukast Impurity 1
ZFL41

3-Methoxy-5H-dibenz[b,f]azepine
CAS:92483-74-4
Carbamazepine Impurity 20
CBM80

3-METHOXY-ESTRA-1,3,5(10),16-TETRAENE
CAS:28336-31-4
Estratetraenol Methyl Ether
PRM10

3-Methoxy-estra-1,3,5(10),8-tetraen-17-one
CAS:6885-44-5
Estratetraenone Methyl Ether
PRM12

3-METHOXY-ESTRA-1,3,5(10)-TRIEN-17-ONE
CAS:1624-62-0
Estrone 3-O-Methyl Impurity (+)-Estrone 3-Methyl
ETN53

3-METHOXY-ESTRA-1,3,5(10)-TRIEN-17-ONE HYDRAZONE
CAS:105663-60-3
Estrone 3-O-Methyl Hydrazone Impurity
ETN52

3-Methoxy-N-(3,5-dichloro-4-pyridinyl)-4-difluoromethoxybenzamide
Roflumilast 3-Methoxy Analog
RFM58

3-METHOXYBENZENE-1,2-DIAMINE
CAS:37466-89-0
Esomeprazole RC 2
EOM62B

3-Methoxyestra-1,3,5(10)-triene-16a,17�-diol
CAS:1474-53-9
Estriol EP Impurity C Estriol 3-Methyl Ether
EST03

3-Methoxyethylphenol
CAS:32846-01-8
Metoprolol 3-MEP Impurity
MTP41

3-METHOXYPHENOL
CAS:150-19-6
Guaiacol EP Impurity H
GCL08

3-Methyl 5-(2-(methylamino)ethyl) 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
CAS:58368-87-9
Nicardipine N-Desbenzyl Impurity (Base)
NCD55B

3-Methyl 5-(2-(methylamino)ethyl) 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate hydrochloride
Nicardipine N-Desbenzyl Impurity (HCl)
NCD55H

3-Methyl 5-methyl 4-(2-chlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate 4-(2-Chlorophenyl)-2,6-dimethyl-1,4-2H-pyridine-3,5-dicarboxylic acid dimethyl ester
CAS:43067-01-2
Amlodipine EP Impurity G Amlodipine USP RC C
AML07

3-Methyl 5-methyl 4-(2-chlorophenyl)-6-methyl-2-[2- [(2-amino ethoxy) methyl]-1,4-dihydropyridine-3,5-dicarboxylate
CAS:140171-66-0
Amlodipine EP Impurity F Amlodipine USP RC F Aml
AML06

3-METHYL 5-PROPYL 2,6-DIMETHYL-4-(3-NITROPHENYL)-1,4-DIHYDROPYRIDINE-3,5-DICARBOXYLATE
CAS:225785-54-6
Nitrendipine Propyl Ester
NDN53

3-METHYL-1,1-DIPHENYLUREA
CAS:13114-72-2
Temozolomide USP RC B
TMZ22

3-METHYL-1,2,3,4-TETRAHYDROQUINOLINE-8-SULFONIC ACID
CAS:153886-68-1
Argatroban RC 1 Argatroban 8-Sulfonic Acid
ATB61

3-Methyl-1,2,4-benzothiadiazine-1,1-dioxide
CAS:360-81-6
Diazoxide Deschloro Impurity
DZX50

3-METHYL-1,2,4-TRIAZOLO[3,4-A]PHTHALAZINE
CAS:20062-41-3
Hydralazine Triazolo Methyl Impurity
HDL55

3-Methyl-1,7-bis(5-oxohexyl)-3,7-dihydro-1H-purine-2,6-dione dihydrochloride 1,7-Bis-(5-oxohexyl)-3-methylxanthine
CAS:200556-62-3
Pentoxifylline EP Impurity H (Base)
PTX08B

3-Methyl-1,7-bis(5-oxohexyl)-3,7-dihydro-1H-purine-2,6-dione dihydrochloride 1,7-Bis-(5-oxohexyl)-3-methylxanthine dihydrochloride
Pentoxifylline EP Impurity H (2HCl)
PTX08H

3-METHYL-1-(2-(PIPERIDIN-1-YL)PHENYL)BUTAN-1-IMINE
CAS:147769-96-8
Repaglinide Impurity 5
RPG55

3-METHYL-1-PHENYL-1H-PYRAZOL-5(4H)-ONE
CAS:89-25-8
Phenazone EP Impurity A Edaravone
PHZ01

3-METHYL-1-PHENYL-4,5-DIHYDRO-1H-PYRAZOLE-4,5-DIOL
Edaravone Impurity 6
ERV56

3-METHYL-1H-PURINE-2,6(3H,7H)-DIONE
CAS:1076-22-8
Linagliptin RC 5 Theophylline EP Impurity B Pent
LGT75

3-METHYL-2,5-BIS-(2-HYDROXYETHYL)PYRAZINE
CAS:96681-84-4
Clavulanate Impurity 1
CVL51B

3-METHYL-3,7-DIHYDRO-1H-PURINE-2,6-DIONE
CAS:1076-22-8
Theophylline EP Impurity B Theophylline USP RC B
TPL02

3-METHYL-3,7-DIHYDRO-1H-PURINE-2,6-DIONE
CAS:1076-22-8
Pentoxifylline EP Impurity B 3-Methylxanthine Th
PTX02

3-METHYL-4,5-DIPHENYLISOXAZOLE
CAS:75115-00-3
Parecoxib RC 10
PXB60

3-METHYL-4-[(1R)-3-(METHYLAMINO)-1-PHENYLPROPOXY]PHENOL
CAS:435293-66-6
Atomoxetine 4-Hydroxy Impurity p-Hydroxy Atomoxe
ATM64

3-Methyl-4-oxo-2-phenyl-4H-1-benzopyran-8-carboxylic acid
CAS:1/7/3468
Flavoxate EP Impurity A Flavoxate USP RC A O-Des
FLX01

3-Methyl-4-oxo-2-phenyl-4H-chromene-8-carboxylic acid methyl ester
CAS:90101-87-4
Flavoxate USP RC B O-Desethylpiperidine Flavoxate
FLX22

3-METHYL-4-OXO-3,4-DIHYDROIMIDAZO[5,1-D][1,2,3,5]TETRAZINE-8-CARBONITRILE
CAS:114601-31-9
Temozolomide EP Impurity C
TMZ03

3-METHYL-5-(3-NITROPHENYL)CYCLOHEX-2-ENONE
CAS:10323-98-5
Nicardipine Impurity 1
NCD61

3-METHYL-N-[4-(TRIFLUOROMETHYL)PHENYL]ISOXAZOLE-4-CARBOXAMIDE
CAS:208401-20-1
Leflunomide EP Impurity E Teriflunomide Isoxazole
LFM05

3-METHYL-N-[4-(TRIFLUOROMETHYL)PHENYL]ISOXAZOLE-4-CARBOXAMIDE
CAS:208401-20-1
Teriflunomide Isoxazole Impurity Leflunomide EP I
TFM55

3-METHYLBENZYL ALCOHOL
CAS:587-03-1
Meclizine 3-Methylbenzyl Impurity (USP)
MCL31

3-METHYLPHENOL
CAS:108-39-4
Amylmetacresol EP Impurity B m-Cresol
ASL02

3-METHYLPHENOL
CAS:108-39-4
Metacresol Amylmetacresol EP Impurity B m-Cresol
MCS00

3-METHYLPHENYL PENTANOATE
Amylmetacresol EP Impurity I
ASL09

3-METHYLSULFONYLSULFANYL-N-[(7S)-1,2,3,10-TETRAMETHOXY-9-OXO-6,7-DIHYDRO-5H-BENZO[A]HEPTALEN-7-YL]PROPANAMIDE
CAS:1217821-52-7
Colchicine methanethiosulfonate
CCN55

3-Methylthio-1,2-epoxypropane
CAS:45378-62-9
Nifuratel NFT2 Intermediate
NFT52

3-Methyltricyclo[3.3.1.13,7]decan-1-amine
CAS:78056-28-7
Memantine USP RC G (Base) Memantine Desmethyl (Ba
MMT27B

3-Methyltricyclo[3.3.1.13,7]decan-1-amine hydrochloride
CAS:33103-93-4
Memantine USP RC G (HCl) Memantine Desmethyl (HCl
MMT27H

3-MORPHOLINO-1-(4-(2-OXOPIPERIDIN-1-YL)PHENYL)-5,6-DIHYDROPYRIDIN-2(1H)-ONE
CAS:545445-44-1
Apixaban Impurity 46
APXX6

3-MORPHOLINO-1-(4-(2-OXOPIPERIDIN-1-YL)PHENYL)PYRIDIN-2(1H)-ONE
Apixaban Impurity 3
APX63

3-MORPHOLINO-1-(4-(2-OXOPIPERIDIN-1-YL)PHENYL)PYRIDIN-2(1H)-ONE
CAS:2413365-22-5
Apixaban Impurity 35
APX95

3-MORPHOLINO-1-(4-NITROPHENYL)-5,6-DIHYDROPYRIDIN-2(1H)-ONE
CAS:503615-03-0
Apixaban Impurity 4
APX64

3-Morpholino-1-(4-nitrophenyl)-pyridin-2(1H)-one
CAS:2818923-97-4
Apixaban Impurity 1
APX61

3-MORPHOLINO-1-(4-NITROPHENYL)PIPERIDIN-2-ONE
CAS:2456339-94-7
Apixaban Impurity 15
APX75

3-N-Acetyl-2-deoxy-4-O-(2,6-diamino-2,6-dideoxy-a-D-glucopyranosyl)-5-O-[3-O-(2,6-diamino-2,6-dideoxy-�-L-idopyranosyl)-�-D-ribofuranosyl]-D-streptamine acetate salt
Framycetin EP Impurity G Neomycin B-LP
FRM07A

3-N-Acetyl-2-deoxy-4-O-(2,6-diamino-2,6-dideoxy-a-D-glucopyranosyl)-D-streptamine
Framycetin EP Impurity B 3-Acetyl Neamine
FRM02B

3-NITRO-4-OXO-1,4-DIHYDROIMIDAZO[5,1-C][1,2,4]TRIAZINE-8-CARBOXAMIDE
CAS:287964-59-4
Temozolomide RC 6
TMZ66

3-NITRO-4-PHENOXY-5-SULFAMOYLBENZOIC ACID
CAS:28328-53-2
Bumetanide EP Impurity A Bumetanide USP RC B
BMM01

3-Nitrobenzeneethanamine
CAS:83304-13-6
Mirabegron 3-NBEA Impurity (Base)
MRB53B

3-Nitrobenzeneethanamine hydrochloride
CAS:19008-62-9
Mirabegron 3-NBEA Impurity (HCl)
MRB53H

3-NITROPHENYL ETHYL(METHYL)CARBAMATE
CAS:1346242-31-6
Rivastigmine Carbamate Impurity (USP)
RVS40

3-NITROPYRIDINE
CAS:2530-26-9
Nicotinamide 3-Nitropyridine Impurity
NCT30

3-O-De(2,6-Dideoxy-3-C-methyl-3-O-methyl-a-L-ribo-hexopyranosyl)erythromycin 9-(E)-[O-[(2-methoxyethoxy)methyl]oxime]
CAS:214902-82-6
Roxithromycin EP Impurity B Decladinose Roxithrom
RTM02

3-O-Decladinosyl-6-O-methylerythromycin A
CAS:118058-74-5
Clarithromycin EP Impurity I Clarithromycin USP I
CLR09

3-Oxo-15a,16a-dihydro-3'H-cyclopropa[15,16]-17a-pregn4-ene-21,17-carbolactone
CAS:67372-68-3
Drospirenone EP Impurity A Drospirenone BP Impuri
DSN01

3-Oxo-15a,16a-dihydro-3'H-cyclopropa[15,16]-17apregna-4,6-diene-21,17-carbolactone
CAS:67372-69-4
Drospirenone EP Impurity D Drospirenone BP Impuri
DSN04

3-OXO-3,4-DIHYDROPYRAZINE-2-CARBOXAMIDE
CAS:55321-99-8
Favipiravir Desfluoro Impurity
FVP53

3-Oxo-4-aza-5a-androst-1,5-diene-17�-carboxylic acid Finasteride 5,6-Dehydro Carboxylic Acid
CAS:1180488-92-9
Finasteride Dehydro Carboxylic Acid
FNS33

3-Oxo-4-aza-5a-androst-1,5-diene-17�-carboxylic acid methyl ester Finasteride 5,6-Dehydro Carboxylic Acid Methyl Ester
CAS:166896-62-4
Finasteride Dehydro Carboxylic Acid Methyl Ester
FNS34

3-Oxo-4-aza-5a-androst-1-ene-17�-carboxylic acid
CAS:104239-97-6
Finasteride Carboxylic Acid Dutasteride EP Impuri
FNS30

3-Oxo-4-aza-5a-androst-1-ene-17�-carboxylic acid
CAS:104239-97-6
Dutasteride EP Impurity A Finasteride Carboxylic
DTS01

3-Oxo-4-aza-5a-androst-1-ene-17�-carboxylic Acid Methyl Ester
CAS:103335-41-7
Finasteride EP Impurity B Finasteride USP RC D F
FNS02

3-Oxo-6a,7a,15a,16a-tetrahydro-3'H,3?H-dicyclopropa[6,715,16]-17a-pregn-4-en-21,17-carbolactone
CAS:67392-87-4
Drospirenone
DSN00

3-Oxo-6a,7a,15a,16a-tetrahydro-3'H,3?H-dicyclopropa[6,715,16]pregn-4-ene-21,17-carbolactone
CAS:90457-65-1
Drospirenone EP Impurity E Drospirenone BP Impuri
DSN05

3-Oxo-6�,7�,15a,16a-tetrahydro-3'H,3?H-dicyclopropa[6,715,16]-17a-pregn-4-ene-21,17-carbolactone
CAS:889652-31-7
Drospirenone EP Impurity K Drospirenone BP Impuri
DSN11

3-PHENOXYBENZALDEHYDE
CAS:39515-51-0
Permethrin EP Impurity D
PMR04

3-Phenyl-3-(2-hydroxy-5-methylphenyl)propanol
CAS:851789-43-0
Tolterodine Diol Impurity (USP) Tolterodine Propa
TTR39

3-Phenyl-3-(2-methoxy-5-methylphenyl)propanol
CAS:124937-73-1
Tolterodine EP Impurity A Tolterodine Methoxy Pro
TTR01

3-Phenyl-3-(2-methoxy-5-methylphenyl)propylamine
Tolterodine Methoxy Propylamine Racemate
TTR30B

3-Phenyl-N,N-bis(3-phenylpropyl)propan-1-amine HCl
CAS:878784-75-9
Alverine EP Impurity E (HCl)
AVR05H

3-PHENYLPROPAN-1-OL
CAS:122-97-4
Alverine EP Impurity B
AVR02

3-Phenylpropanoic acid Hydrocinnamic acid
CAS:501-52-0
Dapoxetine RC 15
DXE75

3-PHENYLPYRAZIN-2-OL
CAS:2882-18-0
Ampicillin EP Impurity H Cefaclor EP Impurity F
AMP08

3-PHENYLPYRAZIN-2-OL
CAS:2882-18-0
Cefaclor EP Impurity F Ampicillin EP Impurity H
CCL06

3-PIPERAZIN-1-YL-1,2-BENZISOTHIAZOLE
CAS:87691-87-0
Ziprasidone EP Impurity A (Base) Ziprasidone USP
ZPS01B

3-Piperazin-1-yl-1,2-benzisothiazole HCl
CAS:87691-88-1
Ziprasidone EP Impurity A (HCl) Ziprasidone USP R
ZPS01H

3-PIPERAZINYL-1,2-BENZISOTHIAZOLE
CAS:87691-87-0
Lurasidone PBI Impurity (Base)
LRS37B

3-PIPERAZINYL-1,2-BENZISOTHIAZOLE HCL
CAS:87691-88-1
Lurasidone PBI Impurity (HCl)
LRS37H

3-PYRIDINECARBOXYLIC ACID HYDRAZIDE
CAS:553-53-7
Isoniazid EP Impurity D Isoniazid 3-Isomer
ISN04

3-tert-Butyl-4-(pyrrolidin-1-yl)phenylboronic acid
CAS:895543-00-7
Trifarotene RC 5
TFR65

3-VINYLPHENYL ETHYL(METHYL)CARBAMATE
CAS:1346602-84-3
Rivastigmine USP RC F
RVS26

3.2-syn-Chloro-[L-�-Asp3] Vancomycin B
CAS:55598-85-1
Vancomycin EP Impurity B Vancomycin CDP-1 Major
VCM02

3?-N-Demethyl-6-O-methylerythromycin A
CAS:101666-68-6
Clarithromycin EP Impurity D N-Desmethyl Clarithr
CLR04

3?-O-Demethylerythromycin-9-(E)-[O-[(2-methoxyethoxy)methyl]oxime]
CAS:261172-58-1
Roxithromycin EP Impurity E (E)-O-Demethylroxith
RTM05

3?-O-Desmethyl Azithromycin
CAS:620169-47-3
Azithromycin EP Impurity C 3"-O-Demethyl Azithrom
AZM03

3�-(4-Bromobenzyl)-1,7�-dimethyl-2�-propyl-1H,3�H-2,5�-bibenzo[d]imidazole
CAS:1004548-55-3
Telmisartan Debenzoic Acid Bromo
TST51

3�-[(2Z)-[1-(3,4-Dimethylphenyl)-1,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-ylidene]hydrazino]-2�-hydroxy-[1,1�-biphenyl]-3-carboxylic acid compoundedd with 2-aminoethanol
CAS:496775-62-3
Eltrombopag (Olamine Salt)
EBP00X

3�-[(2Z)-2-[1-(3,4-Dimethylphenyl)-1,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-ylidene]hydrazinyl]-2�-hydroxy-[1,1�-Biphenyl]-3-carboxamide
CAS:1246929-02-1
Eltrombopag Amide
EBP50

3�-[(2Z)-2-[1-(3,4-Dimethylphenyl)-1,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-ylidene]hydrazinyl]-2�-hydroxy-[1,1�-Biphenyl]-3-carboxylic Acid Ethyl Ester
Eltrombopag Ethyl Ester
EBP52

3�-[(2Z)-2-[1-(3,4-Dimethylphenyl)-1,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-ylidene]hydrazinyl]-2�-hydroxy-[1,1�-Biphenyl]-3-carboxylic Acid Methyl Ester
CAS:1246929-01-0
Eltrombopag Methyl Ester
EBP51

3�-[2-[(2Z)-1-(3,4-Dimethylphenyl)-1,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-ylidene]hydrazinyl]-2�-hydroxy-[1,1�-biphenyl]-3-carboxylic acid
CAS:496775-61-2
Eltrombopag (Acid)
EBP00A

3�-[2-[(2Z)-1-(3,4-Dimethylphenyl)-1,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-ylidene]hydrazinyl]-2�-methoxy-[1,1�-biphenyl]-3-carboxylic acid
CAS:1437383-35-1
Eltrombopag Methoxy Analog
EBP59

34-O-[2-(Acetylamino)-2-deoxy-�-D-glucopyranosyl]-22,31-dichloro-7-demethyl-64-O-demethyl-19-deoxy-42-O-a-D-mannopyranosyl-ristomycin A aglycone
CAS:93616-27-4
Teicoplanin A3-1 Antibiotic L-17054
TCP31

34-O-[2-(Acetylamino)-2-deoxy-�-D-glucopyranosyl]-22,31-dichloro-7-demethyl-64-O-demethyl-19-deoxy-56-O-[2-deoxy-2-[(9-methyl-1-oxodecyl)amino]-�-D-glucopyranosyl]-42-O-a-D-mannopyranosyl-ristomycin A aglycone
CAS:91032-38-1
Teicoplanin A2-5
TCP25

3a,12a-Dihydroxy-5�-cholan-24-oic acid
CAS:83-44-3
Ursodeoxycholic Acid EP Impurity E Chenodeoxychol
UDC05

3a,12a-Dihydroxy-5�-cholan-24-oic acid
CAS:83-44-3
Chenodeoxycholic Acid EP Impurity E Ursodeoxychol
CDC05

3A,6A-DIPHENYLTETRAHYDROIMIDAZO[4,5-D]IMIDAZOLE-2,5(1H,3H)-DIONE
CAS:5157-15-3
Phenytoin EP Impurity D Phenytoin BP Impurity D
PNT04

3a,7a,12a-Trihydroxy-5�-cholan-24-oic acid
CAS:81-25-4
Ursodeoxycholic Acid EP Impurity B Chenodeoxychol
UDC02

3a,7a,12a-Trihydroxy-5�-cholan-24-oic acid
CAS:81-25-4
Chenodeoxycholic Acid EP Impurity B Ursodeoxychol
CDC02

3a,7a,12a-Trihydroxy-5�-cholan-24-oic acid methyl ester
CAS:1448-36-8
Chenodeoxycholic Acid 12-Hydroxy Methyl Ester Me
CDC51

3a,7a-Dihydroxy-5�-cholan-24-oic acid
CAS:474-25-9
Ursodeoxycholic Acid EP Impurity A Chenodeoxychol
UDC01

3a,7a-Dihydroxy-5�-cholan-24-oic acid
CAS:474-25-9
Chenodeoxycholic Acid Ursodeoxycholic Acid EP Imp
CDC00

3a,7�,12a-trihydroxy-5�-cholan-24-oic acid
CAS:2955-27-3
Ursodeoxycholic Acid EP Impurity D Chenodeoxychol
UDC04

3a,7�,12a-trihydroxy-5�-cholan-24-oic acid
CAS:2955-27-3
Chenodeoxycholic Acid EP Impurity D Ursodeoxychol
CDC04

3a,7�-Dihydroxy-5�-cholan-24-oic acid
CAS:128-13-2
Ursodeoxycholic Acid Chenodeoxycholic Acid EP Imp
UDC00

3a,7�-Dihydroxy-5�-cholan-24-oic acid
CAS:128-13-2
Chenodeoxycholic Acid EP Impurity A Chenodeoxycho
CDC01

3a-Hydroxy-2�-(morpholin-4-yl)-16�-(pyrrolidin-1-yl)-5a-androstan-17�-yl acetate
CAS:119302-24-8
Rocuronium EP Impurity A Desallyl Rocuronium
RCR01

3a-Hydroxy-5�-cholan-24-oic acid
CAS:434-13-9
Chenodeoxycholic Acid EP Impurity C Ursodeoxychol
CDC03

3a-Hydroxy-5�-cholan-24-oic acid
CAS:434-13-9
Ursodeoxycholic Acid EP Impurity C Chenodeoxychol
UDC03

3a-Hydroxy-7-oxo-5�-cholan-24-oic acid
CAS:4651-67-6
Ursodeoxycholic Acid EP Impurity F Chenodeoxychol
UDC06

3a-Hydroxy-7-oxo-5�-cholan-24-oic acid
CAS:4651-67-6
Chenodeoxycholic Acid EP Impurity F Ursodeoxychol
CDC06

3H-Purin-6(7H)-one
CAS:68-94-0
Hypoxanthine Mercaptopurine EP Impurity A Azathi
HPX00

3H-Purin-6(7H)-one 1-oxide
CAS:5167-14-6
Hypoxanthine 1-Oxide
HPX51

3�,7�-Dihydroxy-5�-cholan-24-oic acid
CAS:78919-26-3
Ursodeoxycholic Acid EP Impurity H Ursodiol USP R
UDC08

3�-(4-Chlorobutoxyl)-17-(Pyridin-3-yl)androsta-5,16-diene
CAS:2484719-17-5
Abiraterone O-Chlorobutyl Impurity O-Chlorobutyla
ABR64

4',4'''-[(4'-METHYL-2'-PROPYL[2,6'-BI-1H-BENZIMIDAZOLE]-1,1'-DIYL)BIS(METHYLENE)]BIS[1,1'-BIPHENYL]-2-CARBOXYLIC ACID
CAS:884330-14-7
Telmisartan Impurity 3 Telmisartan Dimer
TST63

4',6-Di-O-methylerythromycin A
CAS:123967-58-8
Clarithromycin EP Impurity P Clarithromycin USP I
CLR16

4'-((1,7'-DIMETHYL-2'-PROPYL-1H,1'H-[2,5'-BIBENZO[D]IMIDAZOL]-1'-YL)METHYL)-[1,1'-BIPHENYL]-2-CARBONITRILE
CAS:1338830-39-9
Telmisartan Impurity 11
TST71

4'-((2-ETHOXY-7-(METHOXYCARBONYL)-1H-BENZO[D]IMIDAZOL-1-YL)METHYL)-[1,1'-BIPHENYL]-2-CARBOXYLIC ACID
CAS:1675221-59-6
Azilsartan Impurity 6
AZS76

4'-(Bromomethyl)-[1,1'-biphenyl]-2-carbonitrile 2-(4-Bromomethylphenyl) benzonitrile
CAS:114772-54-2
Telmisartan Bromo Nitrile Impurity Irbesartan Bro
TST30

4'-(BROMOMETHYL)BIPHENYL-2-CARBONITRILE
CAS:114772-54-2
Irbesartan Bromo Nitrile Impurity Telmisartan Bro
IST17

4'-(Dibromomethyl)-[1,1'-biphenyl]-2-carboxylic acid
CAS:1797894-62-2
Telmisartan Impurity 12
TST72

4'-(DIBROMOMETHYL)BIPHENYL-2-CARBONITRILE
CAS:209911-63-7
Irbesartan Dibromomethyl Impurity
IST18

4'-[(1,4'-DIMETHYL-2'-PROPYL[2,6'-BI-1H-BENZIMIDAZOL]-1'-YL)METHYL]-[1,1'-BIPHENYL]-2-CARBONITRILE
CAS:144702-27-2
Telmisartan EP Impurity G Telmisartan Cyano Analo
TST07

4'-[(1,7'-Dimethyl-2'-propyl-1H,1'H-2,5'-bibenzo[d]imidazol-1'-yl)methyl] biphenyl-2-carboxylic acid
CAS:1026353-20-7
Telmisartan EP Impurity B Telmisartan USP RC B T
TST02

4'-[(1,7'-DIMETHYL-2'-PROPYL-1H,1'H-2,5'-BIBENZO[D]IMIDAZOL-1'-YL)METHYL] BIPHENYL-2-CARBOXYLIC ACID T-BUTYL ESTER
CAS:1026438-56-1
Telmisartan Isomer t-Butyl Ester Telmisartan EP I
TST42

4'-[(1,7'-DIMETHYL-2'-PROPYL[2,5'-BI-1H-BENZIMIDAZOL]-1'-YL)METHYL][1,1'-BIPHENYL]-2-CARBOXYLIC ACID METHYL ESTER
CAS:1338830-37-7
Telmisartan Impurity 10 Telmisartan EP Impurity B
TST70

4'-[(2-Butyl-4-chloro-5-formyl-1H-imidazol-1-yl)methyl]-[1,1'-Biphenyl]-2-carbonitrile
CAS:124750-67-0
Losartan RC 2
LST62

4'-[(2-BUTYL-4-OXO-1,3-DIAZASPIRO[4.4]NON-1-EN-3-YL)METHYL]BIPHENYL-2-CARBONITRILE
CAS:138401-24-8
Irbesartan Cyano Impurity Irbesartan Impurity B
IST16

4'-[[[2-METHYL-4-(1-METHYL-1H-BENZIMIDAZOL-2-YL)-6-NITROPHENYL](1-OXOBUTYL)AMINO]METHYL]-[1,1'-BIPHENYL]-2-CARBOXYLIC ACID METHYL ESTER
CAS:1338830-33-3
Telmisartan Impurity 20
TST80

4'-[[2-Butyl-4-chloro-5-(hydroxymethyl)-1H-imidazol-1-yl]methyl]-[1,1'-biphenyl]-2-carbonitrile
CAS:114772-55-3
Losartan RC 1
LST61

4'-Bromomethyl biphenyl-2-carboxamide
CAS:147404-72-6
Telmisartan Bromo Amide
TST33

4'-Bromomethyl biphenyl-2-carboxylic acid
CAS:150766-86-2
Telmisartan Bromo Acid
TST32

4'-Deoxy-8'-nor-4'a�-vincaleukoblastine
Vinorelbine EP Impurity K (Base)
VNR11B

4'-Deoxy-8'-nor-4'a�-vincaleukoblastine ditartrate
Vinorelbine EP Impurity K (Ditartarate)
VNR11T

4'-FORMYL-[1,1'-BIPHENYL]-2-CARBOXYLIC ACID
CAS:112804-58-7
Telmisartan Impurity 14
TST74

4'-FORMYLBIPHENYL-2-CARBONITRILE
CAS:135689-93-9
Telmisartan Impurity 15
TST75

4'-O-De(2,6-Dideoxy-3-O-methyl-a-L-arabino-hexopyranosyl)-5-O-demethyl-22,23-dihydroavermectin A1a
CAS:71837-27-9
Ivermectin EP Impurity H Ivermectin B1a Monosacch
IVM08

4,?5,?6,?7-?Tetrahydro-?7-?oxo-?6-?[4-?(2-?oxo-?1-?piperidinyl)?phenyl]?-?1-?[4-?(sulfooxy)?phenyl]?-1H-?Pyrazolo[3,?4-?c]?pyridine-?3-?carboxamide sodium salt
CAS:1118765-14-2
Apixaban O-Desmethyl Sulfate Sodium Salt
APX54N

4,4',4''-(Chloromethanetriyl)tribenzonitrile
CAS:117678-96-3
Letrozole RC 1
LTZ61

4,4',4?-Methanetriyltribenzonitrile
CAS:113402-31-6
Letrozole EP Impurity B
LTZ02

4,4'-(1H-1,2,4-TRIAZOL-1-YLMETHYLENE)DIBENZONITRILE
CAS:112809-51-5
Letrozole
LTZ00

4,4'-(4H-1,2,4-TRIAZOL-4-YLMETHYLENE)DIBENZONITRILE
CAS:112809-52-6
Letrozole EP Impurity A Letrozole USP RC A Iso
LTZ01

4,4'-(Hexane-1,6-diylbisoxy)dibenzimidamidebis(2-hydroxyethanesulfonate)
CAS:659-40-5
Hexamidine Diisetionate
HXM00S

4,4'-(PYRIDIN-2-YLMETHYLENE)DIPHENOL
CAS:603-41-8
Bisacodyl EP Impurity A Bisacodyl USP RC A Di-De
BSC01

4,4'-(Pyridin-2-ylmethylene)diphenyl diacetate
CAS:603-50-9
Bisacodyl
BSC00

4,4'-[(1S)-1-Methyl-1,2-ethanediyl]bis-2,6-piperazinedione 4,4�-bis N-oxide
Dexrazoxane bis-N-Oxide
DRZ50

4,4'-[(4-Hydroxy-1,3-phenylene)bis(diazenediyl)]bis[N-(pyridin-2-yl)benzenesulfonamide]
CAS:1391062-35-3
Sulfasalazine EP Impurity A
SSZ01

4,4'-[(Pyridin-2-yl)methylene]diphenol
CAS:603-41-8
Picosulfate EP Impurity B
PCS02

4,4'-[(Pyridin-2-yl)methylene]diphenyl bis(hydrogen sulfate)
CAS:10040-34-3
Picosulfate (Acid)
PCS00A

4,4'-[(Pyridin-2-yl)methylene]diphenyl bis(sodium sulfate)
CAS:10040-45-6
Picosulfate Sodium (Anhydrous)
PCS00N

4,4'-[(Pyridin-2-yl)methylene]diphenyl bis(sodium sulfate) monohydrate
CAS:1307301-38-7
Picosulfate Sodium (Monohydrate)
PCS00X

4,4'-[[(1R)-1-(Hydroxymethyl)-1,2-ethanediyl]diimino]bis[3,4-dideoxy-2-C-(hydroxymethyl)-D-epi-inositol]
CAS:1303996-67-9
Voglibose Divaliolamine R-Isomer (Base) (R)-Valio
VGL44B

4,4'-[[(1R)-1-(Hydroxymethyl)-1,2-ethanediyl]diimino]bis[3,4-dideoxy-2-C-(hydroxymethyl)-D-epi-inositol] dihydrochloride
Voglibose Divaliolamine R-Isomer (2HCl) (R)-Valio
VGL44H

4,4'-[[(1S)-1-(Hydroxymethyl)-1,2-ethanediyl]diimino]bis[3,4-dideoxy-2-C-(hydroxymethyl)-D-epi-inositol]
CAS:1303996-66-8
Voglibose Divaliolamine S-Isomer (Base) (S)-Valio
VGL54B

4,4'-[[(1S)-1-(Hydroxymethyl)-1,2-ethanediyl]diimino]bis[3,4-dideoxy-2-C-(hydroxymethyl)-D-epi-inositol] dihydrochloride
Voglibose Divaliolamine S-Isomer (2HCl) (S)-Valio
VGL54H

4,4'-[Hexane-1,6-diylbis(iminoethylene)]dibenzene-1,2-diol
Dopexamine EP Impurity A
DPX01

4,4'-[Oxybis(methylene)]bis[2-[(1R)-3-[bis(1-methylethyl)amino]-1-phenyl propyl]-phenol
CAS:1428856-45-4
Fesoterodine Diol Dimer (Base)
FST46B

4,4'-[Oxybis(methylene)]bis[2-[(1R)-3-[bis(1-methylethyl)amino]-1-phenyl propyl]-phenol fumarate
Fesoterodine Diol Dimer (Fumarate)
FST46F

4,4'-[Pentane-1,5-diylbis(oxy)]dibenzimidamide
CAS:100-33-4
Pentamidine
PNM00B

4,4'-[Pentane-1,5-diylbis(oxy)]dibenzimidamide diisethionate
CAS:140-64-7
Pentamidine Diisethionate
PNM00D

4,4'-5,5'-Tetrahydroxy-9,9'-bianthracenyl-10,10'(9H,9H)-dione
CAS:31991-54-5
Dithranol EP Impurity C Dithranol Dimer
DTR03

4,4'-Azoxybis[N-(5-methyl-3-isoxazolyl)-benzenesulfonamide]
CAS:119403-03-1
Sulfamethoxazole RC 3
SMZ63

4,4'-DIBROMO-2,2',3,3'-TETRAHYDRO-1,1'-SPIROBI[INDENE]-7,7'-DIOL
CAS:681481-91-4
Spinol RC 4
SPN04

4,4'-DICHLORO-3-(3-ETHOXYBENZYL)-3'-(4-ETHOXYBENZYL)-1,1'-BIPHENYL
CAS:2176485-21-3
Dapagliflozin RC 22
DPG82

4,4'-Dithiobis(2,6-di-tert-butylphenol)
CAS:6386-58-9
Probucol USP RC B
PBU22

4,4'-Methylenebis[5-[2-[[6-[(2-phenylethyl)amino]hexyl]amino]ethyl]benzene-1,2-diol]
Dopexamine EP Impurity D
DPX04

4,4,4-Trifluoro-1-m-tolylbutane-1,3-dione
CAS:53764-99-1
Celecoxib Impurity 9
CLC59

4,4,4-Trifluoro-1-o-tolylbutane-1,3-dione
CAS:163266-02-2
Celecoxib Impurity 8
CLC58

4,4,4-TRIFLUORO-1-P-TOLYLBUTANE-1,3-DIONE
CAS:720-94-5
Celecoxib Impurity 4
CLC54

4,4,4-TRIFLUORO-2-(AMINOMETHYLPHENYL)METHYLENE-3-OXO-BUTANOIC ACID ETHYL ESTER
CAS:1798421-25-6
Celecoxib Impurity 6
CLC56

4,4-Bis(5-((1H-1,2,4-triazol-1-yl)methyl)-3-(2-(dimethylamino)ethyl)-1H-indol-2-yl)-N,N-dimethylbutan-1-amine
CAS:1135479-44-5
Rizatriptan 2,2-dimer
RZT44

4,4-bis(5-Hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one
CAS:124009-63-8
Edaravone Impurity 5
ERV55

4,4-DIETHOXY-N-METHYLBUTAN-1-AMINE
CAS:114094-45-0
Rizatriptan Impurity 2
RZT62B

4,4-Difluoro-N-[(1S)-1-(4-benzyloxyphenyl)-3-[(3-exo)-3-[3-methyl-5-(1-methylethyl)-4H-1,2,4-triazol-4-yl]-8-azabicyclo[3.2.1]oct-8-yl]propyl]-cyclohexanecarboxamide
CAS:1391048-06-8
Maraviroc 4-Benzyloxyphenyl Impurity
MRV64

4,4-Difluoro-N-[(1S)-1-(4-hydroxyphenyl)-3-[(3-exo)-3-[3-methyl-5-(1-methylethyl)-4H-1,2,4-triazol-4-yl]-8-azabicyclo[3.2.1]oct-8-yl]propyl]-cyclohexanecarboxamide
CAS:856708-54-8
Maraviroc 4-Hydroxyphenyl Impurity
MRV65

4,4-Difluoro-N-[(1S)-1-(4-phenyl)-3-[(3-exo)-3-[3-hydroxymethyl-5-(1-methylethyl)-4H-1,2,4-triazol-4-yl]-8-azabicyclo[3.2.1]oct-8-yl]propyl]-cyclohexanecarboxamide
CAS:1217535-55-1
Maraviroc 3-Hydroxymethyl Impurity
MRV63

4,4-Difluoro-N-[(1S)-3-[(3-endo)-3-[3-methyl-5-(1-methylethyl)-4H-1,2,4-triazol-4-yl]-8-azabicyclo [3.2.1]oct-8-yl]-1-phenylpropyl]-cylclohexanecarboxamide
Maraviroc JCS Impurity-3 Maraviroc 3-endo Isomer
MRV53

4,4-Difluoro-N-[(1S)-3-[(3-exo)-3-[3-methyl-5-(1-methylethyl)-4H-1,2,4-triazol-4-yl]-8-azabicyclo[3.2.1]oct-8-yl]-1-phenylpropyl]cyclohexanecarboxamide
CAS:376348-65-1
Maraviroc
MRV00

4,4-Difluoro-N-formyl-N-[(1S)-3-[(3-exo)-3-[3-methyl-5-(1-methylethyl)-4H-1,2,4-triazol-4-yl]-8-azabicyclo[3.2.1]oct-8-yl]-1-phenylpropyl]cyclohexanecarboxamide
CAS:1346597-44-1
Maraviroc N-Formyl Impurity
MRV58

4,4-Dimethyl-5a-cholest-8(9)-en-3�-ol
CAS:5241-24-7
Cholesterol Dimethyl 8-En Analog Demethyldihydrol
CRX62

4,4-Pentamethylene-2-pyrrolidinone 3,3-Pentamethylene-5-butyrolactam 3-Azaspiro-[4,5]decan-3-one
CAS:64744-50-9
Gabapentin EP Impurity A Gabapentin USP RC A Gab
GBP01

4,4`-Oxybis[N-ethyl-N-[(2RS)-1-(4-methoxyphenyl)propan-2-yl]butan-1-amine]
Mebeverine EP Impurity J
MBV10

4,4�-(1H-1,2,4-Triazol-1-ylmethylene)bis-benzoic acid
CAS:1644566-39-1
Letrozole Diacid Impurity
LTZ52

4,4�-[1,6-Hexanediylbis(oxy)]bisbenzenecarboximidamide dihydrochloride
CAS:50357-46-5
Hexamidine dihydrochloride
HXM00H

4,4�-Bis(4-aminobenzenesulfonyl)hydrazobenzene
Dapsone Hydrazine Dimer Impurity
DPS56B

4,4�-Oxybis[p-(phenylsulfonylaniline)]
CAS:54616-64-7
Dapsone Dimer Ether (Base) Dapsone Impurity C
DPS55B

4,4�-Oxybis[p-(phenylsulfonylaniline)] dihydrochloride
Dapsone Dimer Ether (2HCl) Dapsone Impurity C (2H
DPS55H

4,5,6,7-Tetrahydro-1-(4-chlorophenyl)-7-oxo-6-[4-(2-oxo-1-piperidinyl) phenyl]-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
CAS:2029205-64-7
Apixaban 4-Chloro Analog
APX46

4,5,6,7-Tetrahydro-1-(4-hydroxyphenyl)-7-oxo-6-[4-(2-oxo-1-piperidinyl) phenyl]-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
CAS:503612-76-8
Apixaban O-Desmethyl Impurity Apixaban 4-Hydroxy
APX44

4,5,6,7-Tetrahydro-1-(4-hydroxyphenyl)-7-oxo-6-[4-(2-oxo-1-piperidinyl) phenyl]-1H-pyrazolo[3,4-c]pyridine-3-carboxylic acid
Apixaban O-Desmethyl Carboxylic Acid
APX50

4,5,6,7-Tetrahydro-1-(4-methoxyphenyl)-7-oxo-6-[4-(2-oxo-1-piperidinyl) phenyl]-1H-pyrazolo[3,4-c]pyridine-3-carboxamide
CAS:503612-47-3
Apixaban
APX00

4,5,6,7-Tetrahydro-1-(4-methoxyphenyl)-7-oxo-6-[4-(2-oxo-1-piperidinyl) phenyl]-1H-pyrazolo[3,4-c]pyridine-3-carboxylic acid
CAS:503614-92-4
Apixaban Carboxylic Acid Apixaban Acid Apixaban
APX40

4,5,6,7-Tetrahydro-1-(4-methoxyphenyl)-7-oxo-6-[4-(2-oxo-1-piperidinyl) phenyl]-1H-pyrazolo[3,4-c]pyridine-3-carboxylic acid ethyl ester
CAS:503614-91-3
Apixaban Ethyl Ester Impurity
APX42

4,5,6,7-Tetrahydro-1-(4-methoxyphenyl)-7-oxo-6-[4-(2-oxo-1-piperidinyl) phenyl]-1H-pyrazolo[3,4-c]pyridine-3-carboxylic acid isopropyl ester
Apixaban Isopropyl Ester Impurity
APX43

4,5,6,7-Tetrahydro-1-(4-methoxyphenyl)-7-oxo-6-[4-(2-oxo-1-piperidinyl) phenyl]-1H-pyrazolo[3,4-c]pyridine-3-carboxylic acid methyl ester
CAS:1074365-84-6
Apixaban USP RC E Apixaban Methyl Ester Impurity
APX25

4,5,6,7-TETRAHYDRO-1H-BENZO[D]IMIDAZOLE-5-CARBOXYLIC ACID
CAS:26751-24-6
Ramosetron RC 4
RMS64B

4,5,6,7-TETRAHYDRO-1H-BENZO[D]IMIDAZOLE-5-CARBOXYLIC ACID HYDROCHLORIDE
CAS:131020-57-0
Ramosetron RC 4 (HCl)
RMS64H

4,5,6,7-Tetrahydro-6-propylamino-2-[4,5,6,7-Tetrahydro-6-propylamino-2-amino-benzothiazole-7-yl]amino-benzothiazole
Pramipexole C-N Dimer
PMP33B

4,5,6,7-TETRAHYDROTHIENO[3,2-C] PYRIDINE HYDROCHLORIDE
CAS:28783-41-7
Clopidogrel Thienopyridine Impurity (HCl)
CPG40H

4,5-BIS(CHLOROMETHYL)-1,3-DIOXOLAN-2-ONE
CAS:1443544-27-1
Olmesartan Dichloromethyl Impurity
OLM80

4,5-Diacetyloxy-9,10-dioxo-anthracene-2-carboxylic acid
CAS:13739-02-1
Diacerein
DAR00

4,5-Dichloro-N-[[(5S)-2-oxo-3-[4-(3-oxo-4-morpholinyl)phenyl]-5-oxazolidinyl] methyl]-2-thiophenecarboxamide
CAS:1770812-37-7
Rivaroxaban EP Impurity H Rivaroxaban USP RC H
RVR08

4,5-DIHYDRO-5-METHYL-3,4-DIPHENYL-5-ISOXAZOLOL
CAS:181696-73-1
Valdecoxib RC 1
VXB61

4,5-DIHYDROBENZO[D]THIAZOL-2-AMINE
Pramipexole Dihydro Aminobenzothiazole Impurity
PMP51B

4,5-DIHYDROXY-9,10-DIOXOANTHRACENE-2-CARBOXYLIC ACID
CAS:478-43-3
Diacerein EP Impurity C Rhein
DAR03

4,5-DIMETHYL-1,3-DIOXOL-2-ONE
CAS:37830-90-3
Olmesartan Dimethyl Impurity
OLM83

4,5-DIMETHYL-1,3-DIOXOLAN-2-ONE
CAS:4437-70-1
Olmesartan Impurity 8
OLM68

4,5-O-(1-Methylethylidene)-�-D-fructopyranose 1-sulfamate
CAS:851957-35-2
Topiramate Impurity 2 2,3-Desisopropylidene Topir
TPM62

4,5-O-[(1R)-2-Hydroxy-1-methylethylidene]-2,3-O-(1-methylethylidene)-�-D-fructopyranose 1-sulfamate
CAS:198215-60-0
Topiramate Impurity 6
TPM66

4,5-O-[(1S)-2-Hydroxy-1-methylethylidene]-2,3-O-(1-methylethylidene)-�-D-fructopyranose 1-sulfamate
CAS:198215-62-2
Topiramate Impurity 5
TPM65

4,6,7,8,9,10-Hexahydro-6,10-methano-6H-pyrazino[2,3-h][3]benzazepine-2,3-dione HCl
CAS:357424-07-8
Varenicline Dioxo Impurity
VCT52H

4,6-DI[DI(2-HYDROXYETHYL)AMINO]-2-(2-HYDROXYETHYL)AMINO-8-(PIPERIDIN-1-YL)-PYRIMIDO[5,4-D]PYRIMIDINE
CAS:60286-30-8
Dipyridamole EP Impurity F Dipyridamole USP RC F
DPR06

4,6-DIAMINO-2-OXO-1,3,5-TRIAZINE-1(2H)-CARBOXAMIDE
Decitabine Amide Impurity
DCT38

4,6-Diaminoquinazolin-7-ol
Canertinib Diaminoquinazolinol Impurity
CNT54

4,6-DICHLORO-2-(PROPYLTHIO)PYRIMIDINE
CAS:1401318-10-2
Ticagrelor Impurity 11
TCG81

4,6-DICHLORO-2-METHYLPYRIMIDINE
CAS:1780-26-3
Dasatinib Impurity 2
DST62

4,6-DICHLORO-5-(2-METHOXYPHENOXY)-2,2'-BIPYRIMIDINE
CAS:150728-13-5
Bosentan USP RC D
BSN24

4,6-DICHLORO-5-NITRO-2-(PROPYLTHIO)PYRIMIDINE
CAS:145783-14-8
Ticagrelor Impurity 6
TCG76

4,6-DICHLORO-5-NITROSO-2-(PROPYLTHIO)PYRIMIDINE
Ticagrelor Impurity 12
TCG82

4,6-Dichloro-N-(imidazolidin-2-ylidene)-2-methylpyrimidin-5-amine
CAS:352457-35-3
Moxonidine EP Impurity A 6-Chloro Moxonidine
MXN01

4,6-Dichloro-N-hydroxy-2-(propylthio)pyrimidin-5-amine
Ticagrelor Impurity 13
TCG83

4,6-DICHLOROBENZENE-1,3-DIOL
CAS:137-19-9
Phloroglucinol EP Impurity O 4,6-Dichlororesorcin
PLG08

4,6-Dihydroxy-3-(3-oxo-1-phenylbutyl)-2H-chromen-2-one
CAS:17834-02-5
Warfarin RC9
WFR69

4,6-DIHYDROXY-3-[1-(4-NITROPHENYL)-3-OXOBUTYL]-2H-1-BENZOPYRAN-2-ONE
CAS:64180-13-8
Acenocoumarol 6-Hydroxy Impurity
ARX56

4,6-DIMETHYL-2-(METHYLTHIO)PYRIMIDINE
CAS:14001-64-0
Solifenacin Impurity 2
SLF62B

4,6-DIMETHYL-2-METHYLSULFONYLPYRIMIDINE
CAS:35144-22-0
Ambrisentan USP RC A
ABS21

4,6-DIMETHYLPYRIMIDIN-2(1H)-ONE
CAS:108-79-2
Ambrisentan USP RC E
ABS25

4,7-Bis(dimethylamino)-1,4,4a,5,12,12a-hexahydro-3,10,11,12a-tetrahydroxy-1,12-dioxo-2-naphthacenecarboxamide
CAS:1346598-44-4
Minocycline EP Impurity H Minocycline Dehydro Imp
MNC08A

4,7-Bis(dimethylamino)-1,4,4a,5,12,12a-hexahydro-3,10,11,12a-tetrahydroxy-1,12-dioxo-2-naphthacenecarboxamide disodium salt
Minocycline EP Impurity H (Sodium) Minocycline De
MNC08N

4,7-DICHLOROQUINOLINE
CAS:86-98-6
Amodiaquine Dichloro Impurity Chloroquine USP RC
ADQ48

4,7-DICHLOROQUINOLINE
CAS:86-98-6
Chloroquine USP RC A Amodiaquine Dichloro Impurit
CHQ21

4,7-DICHLOROQUINOLINE
CAS:86-98-6
Hydroxychloroquine EP Impurity G Chloroquine USP
HCQ07

4,7-DIHYDROXY-3-(3-OXO-1-PHENYLBUTYL)-2H-CHROMEN-2-ONE
CAS:17834-03-6
Warfarin RC15
WFR75

4,7-Dihydroxy-3-[1-(4-nitrophenyl)-3-oxobutyl]-2H-1-benzopyran-2-one
CAS:64180-12-7
Acenocoumarol 7-Hydroxy Impurity
ARX57

4,8-DICHLORO-11-(PIPERIDIN-4-YLIDENE)-6,11-DIHYDRO-5H-BENZO[5,6]CYCLOHEPTA[1,2-B]PYRIDINE
CAS:133330-63-9
Desloratadine 4,8-Dichloro Impurity 4-Chloro Deslo
DLR48

4,8-DICHLORO-6,11-DIHYDRO-11-[N-ETHOXY CARBONYL-4-PIPERIDYLIDENE]-5H-BENZO[5,6] CYCLOHEPTA[1,2-B]PYRIDINE
CAS:165739-83-3
Loratadine EP Impurity C Loratadine USP RC G 4-C
LRT03

4,8-DICHLORO-6,11-DIHYDRO-5H-BENZO[5,6] CYCLOHEPTA[1,2-B]PYRIDIN-11-ONE
CAS:133330-60-6
Loratadine USP RC E Dichlorobenzocycloheptapyridi
LRT25

4,8-Dihydroxy-3-(3-oxo-1-phenylbutyl)-2H-chromen-2-one
CAS:17834-04-7
Warfarin RC19
WFR79

4,9-Difluoro-11�,21-dihydroxy-16a,17-(1-methylethylidenedioxy)pregna-1,4-diene-3,20-dione
Fluocinolone Acetonide EP Impurity K 4-Fluoro Tri
FCA11

4,9-DIISOBUTYL-1,6-DIAZECANE-2,7-DIONE
CAS:1990538-03-8
Pregabalin Impurity 13
PRG73

4-((1E,6E)-7-(4-Hydroxy-3-methoxyphenyl)-3,5-dioxohepta-1,6-dienyl)-2-methoxyphenyl hydrogen sulfate
Curcumin O-Sulfate
CCM53

4-((1H-1,2,4-Triazol-1-yl)methyl)-2-iodobenzenamine
CAS:160194-26-3
Rizatriptan Impurity 7
RZT67

4-((1H-1,2,4-TRIAZOL-1-YL)METHYL)BENZONITRILE
CAS:112809-25-3
Letrozole RC 3
LTZ63

4-((1R,2S)-1-Hydroxy-2-((R)-1-phenoxypropan-2-ylamino)propyl)phenol
CAS:1518-97-4
Isoxsuprine (1R,2S)-Isomer
ISX51

4-((1RS,2SR)-1-Hydroxy-2-((RS)-1-phenoxypropan-2-ylamino)propyl)phenol
Isoxsuprine EP Impurity A
ISX01

4-((1RS,2SR)-1-Hydroxy-2-((SR)-1-phenoxypropan-2-ylamino)propyl)phenol hydrochloride
CAS:579-56-6
Isoxsuprine HCl
ISX00H

4-((2-(2,4-Dichlorophenyl)-4-propyl-1,3-dioxolan-2-yl)methyl)-4H-1,2,4-triazole
CAS:221132-58-7
Propiconazole RC 2
PCN62

4-((2-Amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methylamino)benzoic acid
CAS:4349-43-3
Levofolinate EP Impurity E Racemate 5-Formyltetra
LFL55A

4-((2-Amino-5-methyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methylamino)benzoic acid
CAS:4349-41-1
Levomefolate RC 3 (Acid)
LVF63A

4-((2-CYANOPROPAN-2-YL)AMINO)-2-FLUORO-N-METHYLBENZAMIDE
CAS:915087-32-0
Enzalutamide Impurity 1
EZL61

4-((2-Cyanopropan-2-yl)amino)-N-methylbenzamide
Enzalutamide Impurity 5
EZL65

4-((2R,3R,4R,5S)-3,4-Dihydroxy-6-(hydroxymethyl)-5-((2S,3R,4S,5S)-3,4,5-trihydroxy-6-(hydroxymethyl)-tetrahydro-2H-pyran-2-yloxy)-tetrahydro-2H-pyran-2-ylamino)-5-fluoro-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one
Emtricitabine Glycosamine
EMT67

4-((2R,3S,6S)-6-(4-Fluorophenyl)-3-(hydroxymethyl)-tetrahydro-2H-pyran-2-yl)phenol
Ezetimibe Diol Impurity
EZT54

4-((2S,3S)-3-(4-(4-(4-(4-(((3R,5R)-5-((1H-1,2,4-Triazol-1-yl)methyl)-5-(2,4-difluorophenyl)-tetrahydrofuran-3-yl)methoxy)phenyl)piperazin-1-yl)phenyl)-5-oxo-4,5-dihydro-1,2,4-triazol-1-yl)pentan-2-yloxy)-4-oxobutanoic acid
CAS:1488301-79-6
Posaconazole Succinyl Ester
PSC71

4-((2S,5S)-5-(4-Aminophenyl)-1-(4-tert-butylphenyl)pyrrolidin-2-yl)benzenamine
CAS:1258232-87-9
Ombitasvir RC 1
OTV61

4-((3,5-DIMETHYLPHENOXY)METHYL)IMIDAZOLIDIN-2-ONE
CAS:2514685-36-8
Metaxalone USP RC A
MXL21

4-((3-(4-(CYCLOPROPANECARBONYL)PIPERAZINE-1-CARBONYL)-4-FLUOROPHENYL)(HYDROXY)METHYL)PHTHALAZIN-1(2H)-ONE
CAS:1460272-53-0
Olaparib Metabolite M15
OPB15

4-((3-Chloro-4-methoxybenzyl)amino)-2-((2R,3S)-3-hydroxy-2-(hydroxymethyl)pyrrolidin-1-yl)-N-(pyrimidin-2-ylmethyl)pyrimidine-5-carboxamide
CAS:330785-58-5
Avanafil RC 13 Avanafil 3-Hydroxypyrrolidinyl Imp
AVF63

4-((3-Chloro-4-methoxybenzyl)amino)-2-((2S,4S)-4-hydroxy-2-(hydroxymethyl)pyrrolidin-1-yl)-N-(pyrimidin-2-ylmethyl)pyrimidine-5-carboxamide
CAS:330785-54-1
Avanafil RC 14 Avanafil 4-Hydroxypyrrolidinyl Imp
AVF64

4-((3-Isopropyl-2-Oxooxazolidin-5-Yl)Methoxy)Benzaldehyde
CAS:1173203-26-3
Bisoprolol EP Impurity T
BSP20

4-((3R,5S)-5-([1,1'-BIPHENYL]-4-YLMETHYL)-3-METHYL-2-OXOPYRROLIDIN-1-YL)-4-OXOBUTANOIC ACID
CAS:2216746-87-9
Valsartan RC 5
VST75

4-((4-(1H-Imidazole-1-carbonyl)piperazin-1-yl)methyl)-N- (4-methyl-3-(4-(pyridin-3-yl)pyrimidin-2-ylamino)phenyl)benzamide
CAS:1256080-10-0
Imatinib Imidazole Impurity
IMT47

4-((4-Chlorophenyl)(phenyl)methoxy)-4-oxobutanoic acid
Levocloperastine CBZS Racemate 4-Chlorobenzhydryl
LCP53

4-((4-Cyanophenyl)(1H-1,2,4-triazol-1-yl)methyl)benzoic acid sodium salt
Letrozole Monoacid Impurity
LTZ51N

4-((4-METHYLPIPERAZIN-1-YL)METHYL)-3-(TRIFLUOROMETHYL)BENZENAMINE
CAS:694499-26-8
Ponatinib RC 2
PTN62

4-((4-METHYLPIPERAZIN-1-YL)METHYL)BENZOIC ACID DIHYDROCHLORIDE
CAS:106261-49-8
Imatinib Carboxylic Acid Impurity (2 HCl)
IMT44H

4-((4S,7S,10S,13S)-10-Benzyl-7-isobutyl-15-methyl-13-((R)-2-methyloxirane-2- carbonyl)-2,5,8,11-tetraoxo-4-phenethyl-3,6,9,12-tetraazahexadecyl)morpholine4-oxide
Carfilzomib N-Oxide
CZM77

4-((5,6-DIPHENYLPYRAZIN-2-YL)(ISOPROPYL)AMINO)BUTAN-1-OL
CAS:475086-75-0
Selexipag RC 4
SLX54

4-((5-(Cyclopentyloxycarbonyl)-1-methyl-1H-indol-3-yl)methyl)-3-methoxybenzoic acid
CAS:107754-20-1
Zafirlukast Impurity 2
ZFL42

4-((5-Methyl-3-phenylisoxazol-4-yl)methyl)benzene-1-sulfonyl chloride
CAS:1391051-82-3
Valdecoxib RC 5
VXB65

4-((5-METHYL-3-PHENYLISOXAZOL-4-YL)METHYL)BENZENESULFONAMIDE
CAS:1391052-01-9
Valdecoxib RC 4
VXB64

4-((R)-3-AMINOPIPERIDIN-1-YL)-2-((6-((R)-3-AMINOPIPERIDIN-1-YL)-3-METHYL-2,4-DIOXO-3,4-DIHYDROPYRIMIDIN-1(2H)-YL)METHYL)BENZONITRILE
Trelagliptin RC 4
TLG64

4-((R)-Hydroxy((2S,4S,5R)-5-vinylquinuclidin-2-yl)methyl)quinolin-6-ol HBr
CAS:524-63-0
Quinine O-Desmethyl
QNN50H

4-({2-Butyl-5-[2-carboxy-1-hydroxy-3-(thiophen-2-yl)propyl]-1H-imidazol-1-yl}methyl)benzoic acid
Eprosartan Hydroxy Impurity
EPS42

4-(1,1,2,2-Tetrafluoroethoxy)benzenamine
CAS:713-62-2
Riluzole RC 3
RLZ73

4-(1,1,4,4,6-Pentamethyl-1,2,3,4-tetrahydronaphthalene-7-carbonyl)benzoic acid
CAS:153559-46-7
Bexarotene RC 2
BXR62

4-(1,1-Dimethylethyl)-N-[6-(2-hydroxyethoxy)-5-(2-methoxyphenoxy)[2,2�-bipyrimidin]-4-yl]benzenesulfonamide
CAS:147536-97-8
Bosentan (Anhydrous)
BSN00A

4-(1,1-Dimethylethyl)-N-[6-(2-hydroxyethoxy)-5-(2-methoxyphenoxy)[2,2�-bipyrimidin]-4-yl]benzenesulfonamide hydrate
CAS:157212-55-0
Bosentan (Hydrate)
BSN00H

4-(1,2-Epoxybutyl)-11-cyclopropyl-5,11-dihydro-6H-dipyrido[3,2-b2',3'-e][1,4]diazepin-6-one
CAS:284686-26-6
Nevirapine Impurity 2
NVR72

4-(1,4,8,11-Tetraazacyclotetradec-1-ylmethyl)-Benzenemethanol
CAS:176252-20-3
Plerixafor Impurity 1
PXF61

4-(1-((6-Cyano-5-(trifluoromethyl)pyridin-3-yl)carbamoyl)cyclobutylamino)-2-fluoro-N-methylbenzamide
Apalutamide RC 6
APD66

4-(1-((R)-1-Cyclopentylbut-3-ynyl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine
Ruxolitinib Alkyne
RLT51B

4-(1-((R)-3-Azido-1-cyclopentylpropyl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine
Ruxolitinib Azide
RLT53B

4-(1-(1-Ethoxyethyl)-1H-pyrazol-4-yl)-3H-pyrrolo[2,3-d]pyrimidine
CAS:1911644-33-1
Baricitinib RC 10
BRC70

4-(1-(1-Hydroxycyclohexyl)-2-(methyl(nitroso)amino)ethyl)phenol
Desvenlafaxine N-Nitroso Impurity
DVL48

4-(1-(2,3-Dimethylphenyl)ethyl)-1-(trimethylsilyl)-1H-imidazole
Medetomidine RC5
MDT65

4-(1-(2,4-Diaminopteridin-6-yl)pent-4-yn-2-yl)benzamide
CAS:2028268-08-6
Pralatrexate RC 4
PXT54

4-(1-(2,4-DIAMINOPTERIDIN-6-YL)PENT-4-YN-2-YL)BENZOIC ACID
CAS:146464-93-9
Pralatrexate RC 2
PXT52

4-(1-(2-Amino-4-hydroxypteridin-6-yl)pent-4-yn-2-yl)benzoic acid
CAS:1445586-42-4
Pralatrexate RC 5
PXT55

4-(1-(4-(2-(Dimethylamino)ethoxy)phenyl)-2-phenylbut-1-enyl)phenol
CAS:68392-35-8
Tamoxifen 4-Hydroxy Impurity
TMX51B

4-(1-(4-(2-Aminoethoxy)phenyl)-2-phenylbut-1-enyl)phenol
CAS:1217237-98-3
Tamoxifen N,N-Didesmethyl 4-Hydroxy
TMX62B

4-(1-(4-Cyano-3-(trifluoromethyl)phenylamino)-2-methyl-1-oxopropan-2-ylamino)-2-fluoro-N-methylbenzamide
CAS:1289942-55-7
Enzalutamide Impurity 14 Desthioxo Enzalutamide
EZL74

4-(1-CARBOXYETHYL)-D-OXO-BENZENEHEXANOIC ACID
CAS:1091621-61-2
Loxoprofen Impurity 5
LXP65A

4-(1-Chloroethyl)phenyl ethyl(methyl)carbamate
CAS:1390639-33-4
Rivastigmine RC 4
RVS64

4-(1-Hydroxy-1-methylethyl)-2-propyl-1-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-1H-imidazole-5-carboxylic acid 1-[5-carboxy-2-propyl-1-[[2'-(2H-tetrazol-5-yl) [1,1'-biphenyl]-4-yl]methyl]-1H-imidazol-4-yl]-1-methylethyl ester
CAS:1040250-19-8
Olmesartan Dimer Ester
OLM30

4-(1-HYDROXY-1-METHYLETHYL)-2-PROPYL-1-[[2'-[2-(TRIPHENYLMETHYL)-2H-TETRAZOL-5-YL][1,1'-BIPHENYL]-4-YL]METHYL]-1H-IMIDAZOLE-5-CARBOXYLIC ACID
CAS:752179-89-8
Olmesartan N2-Trityl Impurity N2-Trityl Olmesarta
OLM38

4-(1-Hydroxy-1-methylethyl)-2-propyl-1-[[2'-[2-(triphenylmethyl)-2H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-1H-imidazole-5-carboxylic acid ethyl ester
CAS:172875-59-1
Olmesartan Ethyl Ester N2-Trityl Analog N2-Trityl
OLM51

4-(1-Hydroxy-1-methylethyl)-2-propyl-1-[[2'-[2-(triphenylmethyl)-2H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-1H-imidazole-5-carboxylic acid methyl ester
Olmesartan Methyl Ester N2-Trityl Impurity N2-Tri
OLM37

4-(1-Hydroxy-1-methylpropyl)-2-propyl-1-[[2'-[2-(triphenylmethyl)-2H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-1H-imidazole-5-carboxylic acid
Olmesartan N2-Trityl Ethyl Analog N2-Trityl Olmes
OLM39

4-(1-HYDROXY-2-(ISOPROPYLAMINO)ETHYL)-2-METHOXYPHENOL
CAS:1212-03-9
Isoprenaline Impurity 3 Metiprenaline
IPL53

4-(1-Hydroxy-2-(isopropylamino)ethyl)cyclohexa-3,5-diene-1,2-dione
CAS:14309-63-8
Isoprenaline Impurity 1
IPL51

4-(1-HYDROXY-2-(METHYLAMINO)ETHYL)BENZENE-1,2-DIOL
CAS:329-65-7
Dipivefrine EP Impurity A rac-Epinephrine Racepi
DPV01

4-(1-HYDROXYETHYL)PHENYL ETHYL(METHYL)CARBAMATE
CAS:1390639-31-2
Rivastigmine RC 3
RVS63

4-(1-Methoxy-1-methylethyl)-2-propyl-1-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-1H-imidazole-5-carboxylic acid
CAS:1039762-40-7
Olmesartan Methyl Ether O-Methyl Ether Olmesarta
OLM42

4-(1-Methoxy-1-methylethyl)-2-propyl-1-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-1H-imidazole-5-carboxylic acid (5-methyl-2-oxo-1,3-dioxol-4-yl)methyl ester
CAS:896419-17-3
Olmesartan medoxomil methyl ether
OLM32

4-(1-Methoxy-1-methylethyl)-2-propyl-1-[[2'-[2-(triphenylmethyl)-2H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-1H-imidazole-5-carboxylic acid
Olmesartan N2-Trityl Methyl Ether N2-Trityl Olmes
OLM40

4-(1-Methoxy-1-methylethyl)-2-propyl-1-[[2'-[2-(triphenylmethyl)-2H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-1H-imidazole-5-carboxylic acid ethyl ester
Olmesartan Ethyl Ester N2-Trityl Methyl Ether N2-
OLM45

4-(1-Methyl-5-morpholino-1H -benzimidazol-2-yl)butanoic acid
CAS:1228552-02-0
Bendamustine USP RC B
BDM22B

4-(1-Methylethyl)phenol
CAS:99-89-8
Propofol EP Impurity H
PPF08

4-(1-Methylpiperidin-4-ylidene)-4,10-dihydro-9H-benzo-[4,5]cyclohepta[1,2-b]thiophen-9-one
CAS:34580-09-1
Ketotifen EP Impurity F 9-Oxo Ketotifen
KTT06

4-(1-Methylpiperidin-4-ylidene)-4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one hydrogen (E)-butenedioate
CAS:34580-14-8
Ketotifen Hydrogen Fumarate Ketotifen Fumarate
KTT00F

4-(1-Methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-9,10-dione
CAS:43076-16-0
Ketotifen EP Impurity G 9,10-Dioxo Ketotifen
KTT07

4-(1-Methylvinyl)-2-propyl-1-[[2'-[2-(triphenylmethyl)-2H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-1H-imidazole-5-carboxylic acid (5-methyl-2-oxo-1,3-dioxol-4-yl)methyl ester
CAS:1227626-51-8
Olmesartan Medoxomil Anhydro N2-Trityl Impurity N
OLM41

4-(10-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidine carboxylic acid ethyl ester
CAS:1346605-16-0
Loratadine 8-Dechloro-10-Chloro Impurity
LRT80

4-(1b-(4-Fluorophenyl)-7-hydroxy-7-isopropyl-1a-phenyl-7a-(phenylcarbamoyl)-hexahydro-1aH-6-oxa-3-aza-bicyclo[3.1.0]hex-1(5)-eno[2,3-b][1,3]oxazin-3-yl)-3-hydroxybutanoic acid
CAS:1316643-57-8
Atorvastatin Impurity 4
ATVX4

4-(1H-Imidazol-1-yl)-2,2-diphenylbutanamide
CAS:170105-20-1
Imidafenacin RC 5
IFN65

4-(1H-PYRAZOL-4-YL)-7-((2-(TRIMETHYLSILYL)ETHOXY)METHYL)-7H-PYRROLO[2,3-D]PYRIMIDINE
CAS:941685-27-4
Ruxolitinib RC 2
RLT62B

4-(1H-PYRAZOL-4-YL)-7H-PYRROLO[2,3-D]PYRIMIDINE
CAS:952518-97-7
Ruxolitinib RC 3 (Base)
RLT63B

4-(1H-Pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine HCl
CAS:1803583-30-3
Ruxolitinib RC 3 (HCl)
RLT63H

4-(2,3,4-TRIMETHOXYBENZYL)PIPERAZINE-1-CARBALDEHYDE
CAS:92700-82-8
Trimetazidine N-Formyl Impurity (Base)
TMD50B

4-(2,3,4-Trimethoxybenzyl)piperazine-1-carbaldehyde HCl
CAS:879646-17-0
Trimetazidine N-Formyl Impurity (HCl)
TMD50H

4-(2,3-Dichlorophenyl)-1,4-dihydro-2,6-dimethyl-3,5-pyridinedicarboxylic acid 3-methyl 5-[(1-oxobutoxy)methyl] ester
CAS:167221-71-8
Clevidipine
CLV00

4-(2,3-Dichlorophenyl)-1-(4-(2-oxo-1,2,3,4-tetrahydroquinolin-7-yloxy)butyl) piperazine 1-oxide
CAS:573691-09-5
Aripiprazole EP Impurity F Aripiprazole USP RC F
ARP06

4-(2,3-DICHLOROPHENYL)-2,6-DIMETHYL-1,4-DIHYDROPYRIDINE-3,5-DICARBOXYLIC ACID
CAS:138279-32-0
Clevidipine Impurity 6
CLV56

4-(2,3-DICHLOROPHENYL)-2,6-DIMETHYLPYRIDINE-3,5-DICARBOXYLIC ACID
Clevidipine Impurity 14
CLV64

4-(2,3-DICHLOROPHENYL)-3,4-DIHYDRONAPHTHALEN-1(2H)-ONE
CAS:152448-80-1
Sertraline 2,3-Dichloro Tetralone Racemate
STL41

4-(2,3-DICHLOROPHENYL)-4-OXOBUTANOIC ACID
CAS:32003-41-1
Sertraline RC 9
STL69

4-(2,3-DICHLOROPHENYL)-5-(ETHOXYCARBONYL)-2,6-DIMETHYL-1,4-DIHYDROPYRIDINE-3-CARBOXYLIC ACID
CAS:150131-21-8
Felodipine O-Desmethyl Impurity Felodipine Acid
FLD53

4-(2,3-DICHLOROPHENYL)-5-(METHOXYCARBONYL)-2,6-DIMETHYL-1,4-DIHYDROPYRIDINE-3-CARBOXYLIC ACID
CAS:123853-39-4
Clevidipine Impurity 1 O-Desethyl Felodipine Cle
CLV51

4-(2,3-DICHLOROPHENYL)-5-(METHOXYCARBONYL)-2,6-DIMETHYLNICOTINIC ACID
CAS:91854-02-3
Clevidipine Impurity 7
CLV57

4-(2,3-Dihydro-2-oxo-1H-benzimidazol-1-yl)-1-[4-(4-fluorophenyl)-4-oxobutyl]pyridinium bromide
CAS:60373-77-5
Droperidol EP Impurity C (Bromide)
DPL03B

4-(2,3-Dihydro-2-oxo-1H-benzimidazol-1-yl)-1-[4-(4-fluorophenyl)-4-oxobutyl]pyridinium chloride
CAS:60373-76-4
Droperidol EP Impurity C (Chloride)
DPL03C

4-(2,3-DIHYDROXYPROPYL)-N-(2,6-DIMETHYLPHENYL)-1-PIPERAZINEACETAMIDE
CAS:172430-46-5
Ranolazine O-Desaryl Impurity
RNL53B

4-(2,3-EPOXYPROPOXY)CARBAZOLE
CAS:51997-51-4
Carvedilol USP RC D
CVD24

4-(2,4,5-Trifluorobenzyl)-1-(benzyloxy)azetidin-2-one
CAS:767352-30-7
Sitagliptin Impurity 7
SGT67

4-(2,4,7-triaminopteridin-6-yl)phenol
CAS:1226-52-4
Triamterene 4-Hydroxy
TTN50

4-(2,4,7-TRIAMINOPTERIDIN-6-YL)PHENYL HYDROGEN SULFATE
CAS:1476-48-8
Triamterene RC 2 (Acid) 4-Hydroxy Triamterene Sul
TTN62A

4-(2,4-Dichloro-3-methoxyphenylamino)-6-methoxy-7-(3-(4-methylpiperazin-1-yl)propoxy)quinoline-3-carbonitrile
Bosutinib Impurity 15
BST75

4-(2,4-Dichloro-5-hydroxyphenylamino)-6-hydroxy-7-(3-(4-methylpiperazin-1-yl)propoxy)quinoline-3-carbonitrile
Bosutinib Impurity 10
BST70

4-(2,4-Dichloro-5-hydroxyphenylamino)-6-methoxy-7-(3-(4-methylpiperazin-1-yl)propoxy)quinoline-3-carbonitrile
CAS:2468737-92-8
Bosutinib Impurity 8
BST68

4-(2,4-Dichloro-5-methoxyphenylamino)-6,7-bis(3-(4-methylpiperazin-1-yl)propoxy)quinoline-3-carbonitrile
Bosutinib Impurity 11
BST71

4-(2,4-Dichloro-5-methoxyphenylamino)-6,7-dimethoxyquinoline-3-carbonitrile
CAS:380843-12-9
Bosutinib Impurity 4
BST64

4-(2,4-Dichloro-5-methoxyphenylamino)-6-hydroxy-7-(3-(4-methylpiperazin-1-yl)propoxy)quinoline-3-carbonitrile
Bosutinib Impurity 9
BST69

4-(2,4-Dichloro-5-methoxyphenylamino)-6-methoxy-7-(3-(4-methylpiperazin-1-yl)propoxy)quinoline-3-carboxamide
Bosutinib Impurity 6
BST66

4-(2,4-Dichloro-5-methoxyphenylamino)-6-methoxy-7-(3-(4-methylpiperazin-1-yl)propoxy)quinoline-3-carboxylic acid
Bosutinib Impurity 7
BST67

4-(2,4-DICHLORO-5-METHOXYPHENYLAMINO)-6-METHOXY-7-(3-(PIPERAZIN-1-YL)PROPOXY)QUINOLINE-3-CARBONITRILE
CAS:380843-81-2
Bosutinib Impurity 2 N-Desmethyl Bousutinib
BST62

4-(2,4-Dichloro-5-methoxyphenylamino)-7-(3-hydroxypropoxy)-6-methoxyquinoline-3-carbonitrile
Bosutinib Impurity 5
BST65

4-(2,4-Dichloro-5-methoxyphenylamino)-7-(3-hydroxypropoxy)-6-methoxyquinoline-3-carbonitrile
Bosutinib Impurity 27
BST87

4-(2,4-Dichloro-5-methoxyphenylamino)-7-hydroxy-6-methoxyquinoline-3-carbonitrile
CAS:1460227-29-5
Bosutinib Impurity 3
BST63

4-(2,4-Difluorobenzoyl)-N-acetylpiperidine
CAS:84162-82-3
Risperidone Difluoro Acetyl Impurity
RSP48

4-(2,4-Difluorobenzoyl)-piperidine
CAS:84162-86-7
Risperidone Difluorobenzoyl Impurity (Base)
RSP34B

4-(2,4-Difluorobenzoyl)-piperidine HCl
CAS:106266-04-0
Risperidone Difluorobenzoyl Impurity (HCl)
RSP34H

4-(2,4-DIFLUOROPHENYL)ACETOPHENONE
CAS:53591-79-0
Diflunisal Impurity F
DFS06

4-(2,5-DIOXO-4,4-DIPHENYLIMIDAZOLIDIN-1-YL)BUTANOIC ACID
CAS:56976-66-0
Hydantoin 3-Butyric Acid 5,5-Diphenyl
HDT58

4-(2-((((2-(4-((5-(2-(Ethylamino)-1-hydroxyethyl)-2-hydroxyphenoxy)methoxy)-3-hydroxyphenyl)-2-hydroxyethyl)(isopropyl)amino)methyl)(isopropyl)amino)-1-hydroxyethyl)benzene-1,2-diol
Isoprenaline Impurity 7
IPL57

4-(2-(((5-(2-((((2-(3,4-Dihydroxyphenyl)-2-hydroxyethyl)(isopropyl)amino) methyl)(isopropyl)amino)-1-hydroxyethyl)-2-hydroxyphenoxy)methyl)(ethyl)amino)-1-hydroxyethyl)benzene-1,2-diol
Isoprenaline Impurity 8
IPL58

4-(2-((2R,3R)-3-(2,5-Difluorophenyl)-3-hydroxy-4-(1H-1,2,4-triazol-1-yl)butan-2-yl)thiazol-4-yl)benzonitrile
CAS:241479-67-4
Isavuconazole
ISV00

4-(2-((4-Aminophenethyl)(methyl)amino)ethoxy)benzenamine
CAS:115256-13-8
Dofetilide Diamine Impurity
DFT52

4-(2-((6-(4-Methoxyphenoxy)pyrimidin-4-yl)(methyl)amino)ethoxy)benzaldehyde
Lobeglitazone RC 2 (Base)
LBG52B

4-(2-(2-(6,6-DIMETHYLBICYCLO[3.1.1]HEPTAN-2-YL)ETHOXY)ETHYL)MORPHOLINE
CAS:38284-47-8
Pinaverium Impurity 1
PVB61

4-(2-(4,4-DIMETHYL-4,5-DIHYDROOXAZOL-2-YL)PROPAN-2-YL)PHENETHYL 4-METHYLBENZENESULFONATE
CAS:202189-76-2
Bilastine RC 1
BLT61B

4-(2-(4-(1-(4-Fluorobenzyl)-1H-benzo[d]imidazol-2-ylamino)piperidin-1-yl)ethyl)phenol
CAS:73736-50-2
Astemizole O-Desmethyl Impurity
AMZ50

4-(2-(5-CHLORO-2-METHOXYBENZAMIDO)ETHYL)BENZENESULFONIC ACID
CAS:33924-53-7
Glyburide Benzenesulfonate Glibenclamide Benzenes
GLB50

4-(2-(Dipropylamino)ethyl)-1-ethylindolin-2-one
CAS:1797132-03-6
Ropinirole N-Ethyl Impurity
RPN39

4-(2-(Dipropylamino)ethyl)-3-methyleneindolin-2-one
Ropinirole EP Impurity E 3-Methylene Ropinirole
RPN05

4-(2-(PYRROLIDIN-1-YL)ETHOXY)BENZENAMINE
CAS:50609-01-3
Fedratinib RC 1 (Base)
FDR51B

4-(2-(Pyrrolidin-1-yl)ethoxy)benzenamine dihydrochloride
CAS:265654-78-2
Fedratinib RC 1 (2HCl)
FDR51H

4-(2-(tert-Butyl(nitroso)amino)-1-hydroxyethyl)-2-(hydroxymethyl)phenol
Salbutamol N-Nitroso Analog Albuterol N-Nitroso A
SAB49

4-(2-(TERT-BUTYLAMINO)-1-ETHOXYETHYL)-2-(HYDROXYMETHYL)PHENOL
CAS:1221742-55-7
Salbutamol USP RC F Salbutamol Ethyl Ether Albut
SAB26

4-(2-(TERT-BUTYLAMINO)-1-HYDROXYETHYL)-2-(ETHOXYMETHYL)PHENOL
CAS:754926-25-5
Salbutamol 3-Ethoxymethyl Analog O-Ethyl Albutero
SAB53B

4-(2-AMINO-1-HYDROXYETHYL)-2-METHOXYPHENOL
CAS:97-31-4
Noradrenaline RC 1 (Base) rac-Normetanephrine
NRD61B

4-(2-AMINO-1-HYDROXYETHYL)-2-METHOXYPHENOL HYDROCHLORIDE
CAS:1011-74-1
Noradrenaline RC 1 (HCl) rac-Normetanephrine HCl
NRD61H

4-(2-Amino-3,5-dibromobenzylamino)cyclohexanone
CAS:1445719-53-8
Ambroxol Impurity 2 Ambroxol Cyclohexanone Impuri
AMB62

4-(2-Amino-6-oxo-1,6-dihydropurin-9-yl)-2-(hydroxymethyl)butyl acetate
CAS:97845-80-2
Penciclovir Monoacetate Mono-O-Acetyl Penciclovir
PCV61

4-(2-Amino-9H-purin-9-yl)-2-(chloromethyl)butyl acetate
Famciclovir Deoxychloro Impurity (USP)
FCC43

4-(2-AMINO-9H-PURIN-9-YL)-2-(HYDROXYMETHYL)BUTYL ACETATE
CAS:104227-88-5
Famciclovir USP RC B 6-Deoxypenciclovir Acetate
FCC22

4-(2-AMINO-9H-PURIN-9-YL)-2-(HYDROXYMETHYL)BUTYL ACETATE
CAS:104227-88-5
Penciclovir Acetate 6-Deoxy Impurity Famciclovir
PCV56

4-(2-Aminoethyl)-N-[(cyclohexylamino)carbonyl]benzenesulfonamide
CAS:2015-16-9
Glipizide Aminoethyl Impurity
GLP55

4-(2-AMINOETHYL)BENZENE-1,2-DIOL
CAS:51-61-6
Dobutamine EP Impurity A (Base) Noradrenaline EP
DBM01B

4-(2-AMINOETHYL)BENZENE-1,2-DIOL
CAS:51-61-6
Noradrenaline EP Impurity C (Base) Dobutamine EP
NRD03B

4-(2-AMINOETHYL)BENZENE-1,2-DIOL HYDROCHLORIDE
CAS:62-31-7
Noradrenaline EP Impurity C (HCl) Dobutamine EP I
NRD03H

4-(2-AMINOETHYL)BENZENE-1,2-DIOL HYDROCHLORIDE
CAS:62-31-7
Dobutamine EP Impurity A (HCl) Noradrenaline EP I
DBM01H

4-(2-AMINOPROPOXY)-3,5-DIMETHYLPHENOL HYDROCHLORIDE
CAS:53566-99-7
Mexiletine para-Hydroxy Impurity (Base)
MLT54B

4-(2-AMINOPROPOXY)-3,5-DIMETHYLPHENOL HYDROCHLORIDE
CAS:123363-66-6
Mexiletine para-Hydroxy Impurity (HCl)
MLT54H

4-(2-Borono-5-fluorobenzylamino)-4-oxobutanoic acid
Tavaborole Impurity 19
TVB79

4-(2-BROMOACETYL)PHENYL BENZOATE
CAS:5324-15-2
Salbutamol RC 1
SAB61

4-(2-BROMOETHYL)-1,3-DIHYDRO-2H-INDOLIN-2-ONE
CAS:120427-96-5
Ropinirole Bromoethyl Impurity
RPN33

4-(2-CARBOXYPROPAN-2-YLAMINO)-2-FLUOROBENZOIC ACID
CAS:1332524-02-3
Enzalutamide Impurity 25
EZL85

4-(2-Chloro-1-(4-(2-(diethylamino)ethoxy)phenyl)-2-phenylvinyl)phenol
CAS:79838-51-0
Clomifene 4-Hydroxy Clomiphene 4-Hydroxy
CMF54B

4-(2-Chlorodibenz[b,f][1,4]oxazepin-11-yl)-1-piperazinecarboxylic Acid
CAS:371971-25-4
Amoxapine N-Methoxycarbonyl Impurity Amoxapine Me
AXP59

4-(2-Chlorodibenz[b,f][1,4]oxazepin-11-yl)-1-piperazinecarboxylic acid 1,1-dimethylethyl ester
CAS:1246816-84-1
Amoxapine N-t-Butoxycarbonyl Impurity
AXP54

4-(2-Chlorodibenz[b,f][1,4]oxazepin-11-yl)-1-�-D-glucopyranuronosyl-1-methyl-piperazinium chloride
CAS:145823-23-0
Loxapine N-Glucuronide Chloride
LXN59

4-(2-Chlorophenylsulfonyl)benzenamine
CAS:148301-96-6
Dapsone RC 7
DPS67B

4-(2-Ethoxy-5-(4-methylpiperazin-1-ylsulfonyl)benzamido)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide
CAS:200575-15-1
Sildenafil RC 30
SDFC0

4-(2-Ethoxy-5-(piperazin-1-ylsulfonyl)benzamido)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide
CAS:300547-20-0
Sildenafil RC 29
SDFB9

4-(2-ETHOXYBENZAMIDO)-1-METHYL-3-N-PROPYLPYRAZOLE-5-CARBOXAMIDE
CAS:139756-03-9
Sildenafil Di-Amide Impurity
SDF41

4-(2-Ethoxybenzamido)-1-methyl-5-propyl-1H-pyrazole-3-carboxamide
CAS:501120-38-3
Sildenafil RC 22
SDFB2

4-(2-Ethylhexyloxy)-4-oxo-3-sulfonatobutanoic acid
CAS:735221-50-8
Docusate USP RC B (Acid)
DCS22A

4-(2-FLUORO-4-NITROPHENYL)MORPHOLINE
CAS:2689-39-6
Linezolid RC 3
LNZ63

4-(2-Fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoyl)piperazine-1-carboxylic acid
Olaparib RC 9
OPB69

4-(2-Hydroxy-1,1-dimethylethyl)-N-[6-(2-hydroxyethoxy)-5-(2-hydroxy phenoxy) [2,2'-bipyrimidin]-4-yl]benzenesulfonamide
CAS:253688-62-9
Bosentan Hydroxymethyl O-Desmethyl Impurity
BSN32

4-(2-Hydroxy-1,1-dimethylethyl)-N-[6-(2-hydroxyethoxy)-5-(2-methoxy phenoxy)[2,2'-bipyrimidin]-4-yl]-benzenesulfonamide
CAS:253688-60-7
Bosentan Hydroxymethyl Impurity
BSN31

4-(2-Hydroxy-1,2-diphenylethyl)phenol
CAS:94549-25-4
Clomifene RC 2 Clomiphene RC 2
CMF62