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Structure Chemical Name CAS MF
Meropenem impurity diastereomer 1 Meropenem impurity diastereomer 1 96035-27-7 C15H19N3O5S
methyl 4-hydroxy-6-phenoxyisoquinoline-3-carboxylate methyl 4-hydroxy-6-phenoxyisoquinoline-3-carboxylate 1509958-11-5 C17H13NO4
Palbociclib-012 Palbociclib-012 2206135-30-8 C41H55N11O5
(3S,4S)-3-(β-D-Glucopyranosyloxy)dihydro-3,4-bis[(4-hydroxy-3-methoxyphenyl)methyl]-2(3H)-furanone (3S,4S)-3-(β-D-Glucopyranosyloxy)dihydro-3,4-bis[(4-hydroxy-3-methoxyphenyl)methyl]-2(3H)-furanone 858127-38-5 C26H32O12
Tigecycline Impurity E Tigecycline Impurity E
Cefminox Impurity B Cefminox Impurity B
isopropyl 4-(5-(p-tolyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl) benzenesulfonate isopropyl 4-(5-(p-tolyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl) benzenesulfonate C20H19F3N2O3S
N-(2-HYDROXYETHYL)ISONICOTINAMIDE, 99 N-(2-HYDROXYETHYL)ISONICOTINAMIDE, 99 6265-74-3 C8H10N2O2
BENAZEPRIL RELATED COMPOUND G (15 MG) ((3-(1 -ETHOXYCARBONYL-3-PHENYL-(1 S)-PROPYL)AMINO-2,3,4,5-TETRAHYDRO-2-OXO-1H-1-(3S)-BENZAZE-PINE)-1-ACETIC ACID, ETHYL ESTER) BENAZEPRIL RELATED COMPOUND G (15 MG) ((3-(1 -ETHOXYCARBONYL-3-PHENYL-(1 S)-PROPYL)AMINO-2,3,4,5-TETRAHYDRO-2-OXO-1H-1-(3S)-BENZAZE-PINE)-1-ACETIC ACID, ETHYL ESTER) 103129-58-4 C26H32N2O5
Telmisartan tert-Butyl Ester Telmisartan tert-Butyl Ester 144702-26-1 C37H38N4O2
Amido Ethyl Meloxicam (Meloxicam Impurity) Amido Ethyl Meloxicam (Meloxicam Impurity) 881399-30-0 C16H17N3O4S2
(S)-Ethyl 2-((3S,5aS,9aS,10aS)-3-methyl-1,4-dioxodecahydropyrazino[1,2-a]indol-2(1H)-yl)pentanoate ,95% (S)-Ethyl 2-((3S,5aS,9aS,10aS)-3-methyl-1,4-dioxodecahydropyrazino[1,2-a]indol-2(1H)-yl)pentanoate ,95% 129970-98-5 C19H30N2O4
3-(3-Chloropropyl)-7,8-dimethoxy-2,3,4,5-tetrahydro-1H-3-benzazepin-2-one 3-(3-Chloropropyl)-7,8-dimethoxy-2,3,4,5-tetrahydro-1H-3-benzazepin-2-one 85175-65-1 C15H20ClNO3
N-DesMethyl TelMisartan N-DesMethyl TelMisartan 144701-81-5 C32H28N4O2
N-De[2-(Methylsulfonyl)ethyl] Lapatinib N-De[2-(Methylsulfonyl)ethyl] Lapatinib 697299-82-4 C26H20ClFN4O2
N-[(3,4-DiMethoxy-2-pyridinyl)Methyl] Pantoprazole Sulfide N-[(3,4-DiMethoxy-2-pyridinyl)Methyl] Pantoprazole Sulfide 957470-58-5 C24H24F2N4O5S
3-Oxo Rosuvastatin SodiuM Salt 3-Oxo Rosuvastatin SodiuM Salt 1346606-28-7 C22H25FN3NaO6S
Famciclovir Related Compound A (20 mg) (2-[2-(2-Amino-9H-purin-9-yl)ethyl]propane-1,3-diol hydrochloride) Famciclovir Related Compound A (20 mg) (2-[2-(2-Amino-9H-purin-9-yl)ethyl]propane-1,3-diol hydrochloride) 246021-75-0 C10H16ClN5O2
Exemestane Impurity A Exemestane Impurity A
(1R,3S)-1-(1,3-Benzodioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester (1R,3S)-1-(1,3-Benzodioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester 629652-44-4 C22H19ClN2O5
3-DesMorpholinyl-3-hydroxyethylaMino Gefitinib 3-DesMorpholinyl-3-hydroxyethylaMino Gefitinib 847949-56-8 C20H22ClFN4O3
4-Deschloro-4-(2-furanylMethyl)aMino FuroseMide 4-Deschloro-4-(2-furanylMethyl)aMino FuroseMide 5046-19-5 C17H17N3O6S
Cephalexin Sulfoxide Cephalexin Sulfoxide 56193-21-6 C16H17N3O5S
N-Butyl Nor ScopolaMine Hydrochloride N-Butyl Nor ScopolaMine Hydrochloride 22235-98-9 C20H28ClNO4
11β-Hydroxy Dienogest 11β-Hydroxy Dienogest 86153-39-1 C20H25NO3
2H,5H-Pyrano[4,3-b]pyranyl Mupirocin SodiuM IMpurity 2H,5H-Pyrano[4,3-b]pyranyl Mupirocin SodiuM IMpurity 116182-44-6 C26H43NaO9
3-Hydroxy CitalopraM 3-Hydroxy CitalopraM 411221-53-9 C20H21FN2O2
5-(OxiranylMethoxy)-2,3,4,9-tetrahydrocarbazole 5-(OxiranylMethoxy)-2,3,4,9-tetrahydrocarbazole 58457-32-2 C15H17NO2
6α-Methyl Hydrocortisone 21-HeMisuccinate 6α-Methyl Hydrocortisone 21-HeMisuccinate 119657-85-1 C26H36O8
Hydroxy TorseMide Hydroxy TorseMide 99300-68-2 C16H20N4O4S
Hydroxy Varenicline N-Trifluoroacetate Hydroxy Varenicline N-Trifluoroacetate 357426-10-9 C15H12F3N3O2
N2-Methyl Alfuzosin Hydrochloride N2-Methyl Alfuzosin Hydrochloride 72104-34-8 C19H28ClN5O4
N-ForMyl Valacyclovir N-ForMyl Valacyclovir 847670-62-6 C14H20N6O5
2-Fluorobiphenyl-4-carboxylic Acid 2-Fluorobiphenyl-4-carboxylic Acid 137045-30-8 C13H9FO2
Theophyllidine Hydrochloride Theophyllidine Hydrochloride 116131-08-9 C6H10ClN4O
1,4'-Dimethyl-2'-propyl-2,5'-bi-1H-benzimidazole 1,4'-Dimethyl-2'-propyl-2,5'-bi-1H-benzimidazole 887583-89-3 C19H20N4
Tetracyclics compound impurities Tetracyclics compound impurities
Urapidil Impurity Urapidil Impurity 770-42-3 C8H10Br2FN
N'-(1-Methylazepan-4-yl)benzohydrazine N'-(1-Methylazepan-4-yl)benzohydrazine 117078-69-0 C14H22ClN3O
Olopatadine USP RC B Olopatadine USP RC B 173174-07-7 C21H23NO4
Ramipril Related Compound A (30 mg) ((2S,3aS,6aS)-1-[(S)2-[[(S)-1-(methoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-octahydrocyclopenta[b]pyrrole-2-carboxylic acid) Ramipril Related Compound A (30 mg) ((2S,3aS,6aS)-1-[(S)2-[[(S)-1-(methoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-octahydrocyclopenta[b]pyrrole-2-carboxylic acid) 108313-11-7 C22H30N2O5
4-(4-(4-(4-(((3S,5S)-5-((1H-1,2,4-triazol-1-yl)Methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)Methoxy)phenyl)piperazin-1-yl)phenyl)-1-((2R,3R)-2-hydroxypentan-3-yl)-1H-1,2,4-triazol-5(4H)-one 4-(4-(4-(4-(((3S,5S)-5-((1H-1,2,4-triazol-1-yl)Methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)Methoxy)phenyl)piperazin-1-yl)phenyl)-1-((2R,3R)-2-hydroxypentan-3-yl)-1H-1,2,4-triazol-5(4H)-one 2243785-97-7 C37H42F2N8O4
4-(4-broMo-3-(hydroxyMethyl)phenoxy)benzonitrile 4-(4-broMo-3-(hydroxyMethyl)phenoxy)benzonitrile 906673-45-8 C14H10BrNO2
ACT 080803 ACT 080803 1433875-21-8 C16H13Br2N5O2
L-Alanine, N-[(S)-hydroxyphenoxyphosphinyl]-, 1-Methylethyl ester, (P→3'),(P'→5')-diester with (2'R)-2'-deoxy-2'-fluoro-2'-Methyluridine L-Alanine, N-[(S)-hydroxyphenoxyphosphinyl]-, 1-Methylethyl ester, (P→3'),(P'→5')-diester with (2'R)-2'-deoxy-2'-fluoro-2'-Methyluridine 1337482-17-3 C34H45FN4O13P2
Pyrido[2,3-d]pyriMidin-7(8H)-one, 2,6-dibroMo-8-cyclopentyl-5-Methyl- Pyrido[2,3-d]pyriMidin-7(8H)-one, 2,6-dibroMo-8-cyclopentyl-5-Methyl- 1415560-29-0 C13H13Br2N3O
1,1'-[1,3-Propanediylbis(oxy)]bis[2,5-dimethylbenzene] 1,1'-[1,3-Propanediylbis(oxy)]bis[2,5-dimethylbenzene] 415724-02-6 C19H24O2
1-Dimethylamino-2-phenylbutan-2-yl 3,4,5-trimethoxybenzoate 1-Dimethylamino-2-phenylbutan-2-yl 3,4,5-trimethoxybenzoate 92414-09-0 C22H29NO5
Celecoxib 2-Methyl Analog Celecoxib 2-Methyl Analog 170569-99-0 C17H14F3N3O2S
EMpagliflozin iMpurity 6 EMpagliflozin iMpurity 6 1620758-21-5 C32H37ClO12
EMpagliflozin iMpurity 11 EMpagliflozin iMpurity 11
1,4,7,10-Tetraazacyclododecane-1,4,7-triacetic acid,10-[2,3-dihydroxy-1-(hydroxymethyl)propyl]- 1,4,7,10-Tetraazacyclododecane-1,4,7-triacetic acid,10-[2,3-dihydroxy-1-(hydroxymethyl)propyl]- 138168-36-2 C18H34N4O9
Di-Norbudesonide (Mixture of DiastereoMers) Di-Norbudesonide (Mixture of DiastereoMers) 1040085-98-0 C23H30O6
Linagliptin MethyldiMer Linagliptin MethyldiMer 1418133-47-7 C50H56N16O4
Ibuprofen IMp. I (EP): 1-(2-Methylpropyl)-4-[(3RS)-3-[4-(2-Methylpropyl)phenyl]butyl]benzene Ibuprofen IMp. I (EP): 1-(2-Methylpropyl)-4-[(3RS)-3-[4-(2-Methylpropyl)phenyl]butyl]benzene
3-Quinolinecarboxylic acid, 7-[(7S)-7-aMino-5-azaspiro[2.4]hept-5-yl]-8-chloro-6-fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-1,4-dihydro-4-oxo-, hydrate 3-Quinolinecarboxylic acid, 7-[(7S)-7-aMino-5-azaspiro[2.4]hept-5-yl]-8-chloro-6-fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-1,4-dihydro-4-oxo-, hydrate 163253-37-0 C19H20ClF2N3O4
3-oxo-1,3-dihydroisobenzofuran-1-ylphosphonic acid 3-oxo-1,3-dihydroisobenzofuran-1-ylphosphonic acid 61260-15-9 C10H11O5P
1-(4,8-bis-(2,2,2-trifluoroacetyl)-11-{4-[4,8,11-tris-(2,2,2-trifluoroacetyl)-1,4,8,11-tetraazacyclotetradec-1-ylMethyl]-benzyl}-1,4,8,11-tetraazacyclotetradec-1-yl)-2,2,2-trifluoroethanone 1-(4,8-bis-(2,2,2-trifluoroacetyl)-11-{4-[4,8,11-tris-(2,2,2-trifluoroacetyl)-1,4,8,11-tetraazacyclotetradec-1-ylMethyl]-benzyl}-1,4,8,11-tetraazacyclotetradec-1-yl)-2,2,2-trifluoroethanone 406939-93-3 C40H48F18N8O6
Anastrozole iMpurity A Anastrozole iMpurity A
EMtricitabine iMpurity C EMtricitabine iMpurity C
RocuroniuMbroMide iMpurity F RocuroniuMbroMide iMpurity F
(Z)-2-ethoxy-3-((2'-(N'-hydroxycarbaMiMidoyl)biphenyl-4-yl)Methyl)-3H-benzo[d]iMidazole-4-carboxylic acid (Z)-2-ethoxy-3-((2'-(N'-hydroxycarbaMiMidoyl)biphenyl-4-yl)Methyl)-3H-benzo[d]iMidazole-4-carboxylic acid 1397836-49-5 C24H22N4O4
Ribavirin IMpurity E Ribavirin IMpurity E 58151-90-9 C15H16N4O6
TetrahydrogalantaMine TetrahydrogalantaMine 664995-65-7 C17H19NO2
Diethyl-carbaMic Acid ChloroMethyl Ester Diethyl-carbaMic Acid ChloroMethyl Ester 133217-92-2 C6H12ClNO2
ClarithroMycin IMpurity G ClarithroMycin IMpurity G 127182-44-9 C39H72N2O13
1-(3-Hydroxypropyl)-5-[(2R)-2-[[2-[2-(2,2,2-trifluoroethoxy)phenoxy]ethyl]aMino]propyl]-1H-indole-7-carboxaMide 1-(3-Hydroxypropyl)-5-[(2R)-2-[[2-[2-(2,2,2-trifluoroethoxy)phenoxy]ethyl]aMino]propyl]-1H-indole-7-carboxaMide 175870-21-0 C25H30F3N3O4
5-[(4,5-Dihydro-1H-iMidazol-2-yl)aMino]-6-hydroxy-2-Methyl-4(3H)-pyriMidinone 5-[(4,5-Dihydro-1H-iMidazol-2-yl)aMino]-6-hydroxy-2-Methyl-4(3H)-pyriMidinone 352457-32-0 C8H11N5O2
1,4-Bis(2,3,4-triMethoxybenzyl)piperazine 1,4-Bis(2,3,4-triMethoxybenzyl)piperazine 1257-19-8 C24H34N2O6
3-(1,4-Dihydro-5-Methyl-4-oxo-7-propyliMidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxybenzoic Acid 3-(1,4-Dihydro-5-Methyl-4-oxo-7-propyliMidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxybenzoic Acid 358390-39-3 C18H20N4O4
β-(BenzoylaMino)-α-hydroxybenzenepropanoic Acid (αR,βS)-(1S,3S,4S,4aR,5S,6S,8S,11R,12aS)-3,11-Bis(acetyloxy)-4-[(benzoyloxy)Methyl]-1,2,3,4,4a,5,6,7,8,11,12,12a-dodecahydro-1,4,5,6-tetrahydroxy-9,12a,13,13-tetraMethyl-12-oxo-6,10-Methanobenzocyclodecen-8-yl Ester β-(BenzoylaMino)-α-hydroxybenzenepropanoic Acid (αR,βS)-(1S,3S,4S,4aR,5S,6S,8S,11R,12aS)-3,11-Bis(acetyloxy)-4-[(benzoyloxy)Methyl]-1,2,3,4,4a,5,6,7,8,11,12,12a-dodecahydro-1,4,5,6-tetrahydroxy-9,12a,13,13-tetraMethyl-12-oxo-6,10-Methanobenzocyclodecen-8-yl Ester 932042-85-8 C47H53NO15
(S)-Sitagliptin Phosphate (S)-Sitagliptin Phosphate 823817-58-9 C16H16F6N5O5P
4-[(2,3,4-TriMethoxyphenyl)Methyl]-1-piperazinecarboxylic Acid Ethyl Ester 4-[(2,3,4-TriMethoxyphenyl)Methyl]-1-piperazinecarboxylic Acid Ethyl Ester 53531-01-4 C17H26N2O5
(S)-2-(3-chloro-2-hydroxypropyl)isoindoline-1,3-dione (S)-2-(3-chloro-2-hydroxypropyl)isoindoline-1,3-dione 148857-42-5 C11H10ClNO3
Loratadine IMpurity C Loratadine IMpurity C C22H23ClN2O2
Metoprolol IMpurity C Metoprolol IMpurity C C15H25NO3
Metoprolol IMpurity I Metoprolol IMpurity I C15H25NO3
Telmisartan impurity D Telmisartan impurity D
itraconazole impurity f itraconazole impurity f
Ethanediamide, N1-(5-chloro-2-pyridinyl)-N2-[(1S,2S,4S)-4-[(dimethylamino)carbonyl]-2-[[(4,5,6,7-tetrahydro-5-methylthiazolo[5,4-c]pyridin-2-yl)carbonyl]amino]cyclohexyl]- Ethanediamide, N1-(5-chloro-2-pyridinyl)-N2-[(1S,2S,4S)-4-[(dimethylamino)carbonyl]-2-[[(4,5,6,7-tetrahydro-5-methylthiazolo[5,4-c]pyridin-2-yl)carbonyl]amino]cyclohexyl]- 1255529-27-1 C24H30ClN7O4S
Trelagliptin Impurity isomer Trelagliptin Impurity isomer 2206135-35-3 C18H20FN5O2
(2R,3R,4R,5S,6R)-2-(4-chloro-3-(4-ethoxybenzyl)phenyl)-6-(hydroxyMethyl)tetrahydro-2H-pyran-3,4,5-triol (2R,3R,4R,5S,6R)-2-(4-chloro-3-(4-ethoxybenzyl)phenyl)-6-(hydroxyMethyl)tetrahydro-2H-pyran-3,4,5-triol C21H25ClO6
3,6-Dichloropyrazine-2-carboxaMide 3,6-Dichloropyrazine-2-carboxaMide 1023813-21-9 C5H3Cl2N3O
N-acetic acid-1-aMino-3-adaMantanol N-acetic acid-1-aMino-3-adaMantanol 1032564-18-3 C12H19NO3
9(10H)-Acridinone, 2-ethoxy-6-nitro- 9(10H)-Acridinone, 2-ethoxy-6-nitro- 451460-48-3 C15H12N2O4
Olaparib iMpurity D Olaparib iMpurity D
(5-broMo-2-chlorophenyl)(4-hydroxyphenyl)Methanone (5-broMo-2-chlorophenyl)(4-hydroxyphenyl)Methanone 1360568-68-8 C13H8BrClO2
(2-broMo-4,5-diMethylphenyl)Methanol (2-broMo-4,5-diMethylphenyl)Methanol 1126385-20-3 C9H11BrO
Posaconazole iMpurity 8 Posaconazole iMpurity 8
LCZ Impurity LCZ Impurity 753421-85-1 C20H25NO2
Dehydro Benidipine Dehydro Benidipine 118935-44-7 C28H29N3O6
Etoposide Impurity B Etoposide Impurity B 100007-56-5 C29H32O13
Istradefylline Impurity 2 Istradefylline Impurity 2 606080-73-3 C20H24N4O4
Oxonic Acid Impurity 1 Oxonic Acid Impurity 1 60301-55-5 C3H3N3O2
Vortioxetine Impurity 4 Vortioxetine Impurity 4 1293489-77-6 C18H22N2S
Zidovudine USP Impurity G Zidovudine USP Impurity G 148665-49-0 C20H25N7O8
Quinoline, 6,7-dimethoxy-4-(4-nitrophenoxy)- Quinoline, 6,7-dimethoxy-4-(4-nitrophenoxy)- 190728-24-6 C17H14N2O5
Itopride Impurity A Itopride Impurity A 943518-63-6 C16H17NO4
Aripiprazole N1-Oxide Aripiprazole N1-Oxide
1-METHYL-5-MERCAPTOTETRAZOLE, SODIUM SALT 1-METHYL-5-MERCAPTOTETRAZOLE, SODIUM SALT 51138-06-8 C2H3N4NaS
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