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Structure Chemical Name CAS MF
(R)-(-)-2-AMINOBUTANAMIDE HYDROCHLORIDE, 97% (R)-(-)-2-AMINOBUTANAMIDE HYDROCHLORIDE, 97% 103765-03-3 C4H11ClN2O
Flomoxef Impurity 20 Sodium Salt Flomoxef Impurity 20 Sodium Salt 2095697-77-9 C15H18F2N6O7S2
((2R,3S,4R)-3,4,5-trihydroxytetrahydrofuran-2-yl)methyl isobutyrate ((2R,3S,4R)-3,4,5-trihydroxytetrahydrofuran-2-yl)methyl isobutyrate 2591381-21-2 C9H16O6
3-Thiophenecarboxylic acid, 4-(bromomethyl)-2-[[(2,6-difluorophenyl)methyl](propoxycarbonyl)amino]-5-(4-nitrophenyl)-, ethyl ester 3-Thiophenecarboxylic acid, 4-(bromomethyl)-2-[[(2,6-difluorophenyl)methyl](propoxycarbonyl)amino]-5-(4-nitrophenyl)-, ethyl ester 2591260-07-8 C25H23BrF2N2O6S
Cyclohexanecarboxylic acid, 2-[[[4-[4-(1,2-benzisothiazol-3-yl)-1-piperazinyl]butyl]amino]carbonyl]-, (1R,2S)-rel- Cyclohexanecarboxylic acid, 2-[[[4-[4-(1,2-benzisothiazol-3-yl)-1-piperazinyl]butyl]amino]carbonyl]-, (1R,2S)-rel- 190582-37-7 C23H32N4O3S
Ivabradine Impurity II Ivabradine Impurity II
(1R,2R,4S,5S,7r)-9-methyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-7-yl 2-hydroxy-2,2-di(thiophen-2-yl)acetate (1R,2R,4S,5S,7r)-9-methyl-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-7-yl 2-hydroxy-2,2-di(thiophen-2-yl)acetate 792155-94-3 C18H19NO4S2
Tafluprost Impurity 17 Tafluprost Impurity 17
Rosuvastatin Impurity 160 （Sodium salt) Rosuvastatin Impurity 160 （Sodium salt)
Rosuvastatin Impurity 143 Rosuvastatin Impurity 143
Rosuvastatin Impurity 131 Rosuvastatin Impurity 131
Rosuvastatin Impurity 125 Rosuvastatin Impurity 125
Terlipressin Impurity 2 (des-Gly1,Gly2) Terlipressin Impurity 2 (des-Gly1,Gly2)
BENZHYDRYL 6,6-DIHYDROPENICILLIC ACID 1-OXIDE[TAZOBACTAM INTERMEDIATE] BENZHYDRYL 6,6-DIHYDROPENICILLIC ACID 1-OXIDE[TAZOBACTAM INTERMEDIATE] 87579-78-0 C21H21NO4S
4-(2-((2R,3R)-3-(2,5-difluorophenyl)-3-hydroxy-4-(1H-1,2,4-triazol-1-yl)butan-2-yl)thiazol-4-yl)benzamide 4-(2-((2R,3R)-3-(2,5-difluorophenyl)-3-hydroxy-4-(1H-1,2,4-triazol-1-yl)butan-2-yl)thiazol-4-yl)benzamide
Ertapenem Impurity C(USP) Ertapenem Impurity C(USP)
Ertapenem Impurity 22 Ertapenem Impurity 22
(1-carboxy-1-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)ethyl)-L-cysteine (1-carboxy-1-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)ethyl)-L-cysteine
1,4-Butanediaminium, N1,N4-diethyl-N1,N1,N4,N4-tetrakis(1-methylethyl)-, bromide (1:2) 1,4-Butanediaminium, N1,N4-diethyl-N1,N1,N4,N4-tetrakis(1-methylethyl)-, bromide (1:2) 1621467-18-2 C20H46BrN2+
1,6,10,14-Hexadecatetraen-3-ol, 3,7,11,15-tetramethyl-, (6Z,10E)- 1,6,10,14-Hexadecatetraen-3-ol, 3,7,11,15-tetramethyl-, (6Z,10E)- 3790-76-9 C20H34O
Bisoprolol Impurity 51 Bisoprolol Impurity 51
2-Deoxy-2,2-difluoro-D-ribofuranose-3,5-dibenzoate-1-methanesulfonate 2-Deoxy-2,2-difluoro-D-ribofuranose-3,5-dibenzoate-1-methanesulfonate 134877-42-2 C20H18F2O8S
Pitavastatin Impurity 105 Pitavastatin Impurity 105
Nirmatrelvir Impurity 11 Nirmatrelvir Impurity 11
Bumetanide Impurity 21 Bumetanide Impurity 21
4'-(Hydroxymethyl)-[1,1'-Biphenyl]-2-Carboxylic Acid 4'-(Hydroxymethyl)-[1,1'-Biphenyl]-2-Carboxylic Acid 158144-54-8 C14H12O3
Brivaracetam Impurity 118 Brivaracetam Impurity 118
1-(4-((2-(4-hydroxypiperidin-1-yl)ethyl)(methyl)carbamoyl)benzyl)piperidine-4-carboxylic acid 1-(4-((2-(4-hydroxypiperidin-1-yl)ethyl)(methyl)carbamoyl)benzyl)piperidine-4-carboxylic acid 2975124-11-7 C22H34N4O3
Empagliflozin Impurity 108 Empagliflozin Impurity 108
Perospirone Impurity 28 Perospirone Impurity 28
Perospirone Impurity 23 Perospirone Impurity 23
Perospirone Impurity 16 Perospirone Impurity 16
Dolutegravir Impurity 24 Dolutegravir Impurity 24
Paxlovid Impurity 18 Paxlovid Impurity 18
Related impurities of fluoxetine sodium 8 Related impurities of fluoxetine sodium 8
Fondaparinux sodium impurity 15 Fondaparinux sodium impurity 15
Levofloxacin N-Oxide Levofloxacin N-Oxide 117678-37-2 C18H20FN3O5
Oseltamivir EP Impurity A Oseltamivir EP Impurity A 1391047-93-0 C14H24N2O4
Quetiapine EP Impurity N Quetiapine EP Impurity N 1800291-86-4 C29H41N5O3S
Ceftazidime Impurity Ceftazidime Impurity
Chlorhexidine Digluconate Impurity N Chlorhexidine Digluconate Impurity N 152504-10-4 C15H25ClN8
チオ酢酸S-アゼチジン-3-イルエステル チオ酢酸S-アゼチジン-3-イルエステル 886615-18-5 C5H9NOS
Olaparib Impurity C Olaparib Impurity C
Olaparib Impurity F Olaparib Impurity F
Dapoxetine Impurity 4 Dapoxetine Impurity 4
Glycopyrrolate impurity 3 Glycopyrrolate impurity 3
1-Propanol, 3-[[2-[(1H-benzimidazol-2-ylsulfinyl)methyl]-3-methyl-4-pyridinyl]oxy]- 1-Propanol, 3-[[2-[(1H-benzimidazol-2-ylsulfinyl)methyl]-3-methyl-4-pyridinyl]oxy]- 117976-94-0 C17H19N3O3S
2',3'-O-イソプロピリデンシチジン 2',3'-O-イソプロピリデンシチジン 362-42-5 C12H17N3O5
テルブタリン3,5-ジベンジルエーテル テルブタリン3,5-ジベンジルエーテル 28924-25-6 C26H31NO3
1-(2-エトキシエチル)-2-クロロ-1H-ベンゾイミダゾール 1-(2-エトキシエチル)-2-クロロ-1H-ベンゾイミダゾール 87233-54-3 C11H13ClN2O
2,2-Dimethyl-4-isopropyl-1,3-benzodioxole (Propofol Impurity L) 2,2-Dimethyl-4-isopropyl-1,3-benzodioxole (Propofol Impurity L) 201166-22-5 C12H16O2
24Dichloro-5methoxyacetanilide 24Dichloro-5methoxyacetanilide 65182-98-1 C9H9Cl2NO2
3-(2-メチルベンゾイル)-1,1,1-トリフルオロアセトン 3-(2-メチルベンゾイル)-1,1,1-トリフルオロアセトン 163266-02-2 C11H9F3O2
N-(2,6-dimethylphenyl)piperidine-4-carboxamide N-(2,6-dimethylphenyl)piperidine-4-carboxamide 109403-19-2 C14H20N2O
vildagliptin Impurity R vildagliptin Impurity R 1803168-09-3 C7H8Cl2N2O
Cefmetazole Lactone Cefmetazole Lactone 70993-70-3 C13H13N3O5S2
Canagliflozin Impurity 19 Canagliflozin Impurity 19
Canagliflozin Impurity 24 Canagliflozin Impurity 24
Carfilzomib Impurity 5 Carfilzomib Impurity 5
Dolutegravir Impurity 6 Dolutegravir Impurity 6 1357289-29-2 C20H19F2N3O5
Febuxostat Impurity 22 Febuxostat Impurity 22
Istradefylline Impurity C Istradefylline Impurity C
Everolimus O-Ethyl Impurity Everolimus O-Ethyl Impurity 1704711-12-5 C54H85NO14
(3S,4R)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-1-methyl-4-phenylpiperidine (3S,4R)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-1-methyl-4-phenylpiperidine 324023-99-6 C20H23NO3
Solifenacin Impurity 4（Solifenacin EP Impurity H） Solifenacin Impurity 4（Solifenacin EP Impurity H） 732228-02-3 C23H26N2O2
849217-77-2 849217-77-2 849217-77-2 C22H20N2O6
1-Piperidinepropanoic acid, 4-methyl-3-(methyl-7H-pyrrolo[2,3-d]pyrimidin-4-ylamino)-β-oxo-, ethyl ester, (3R,4R)- 1-Piperidinepropanoic acid, 4-methyl-3-(methyl-7H-pyrrolo[2,3-d]pyrimidin-4-ylamino)-β-oxo-, ethyl ester, (3R,4R)- 1675248-18-6 C18H25N5O3
Amlodipine iMpurity L Amlodipine iMpurity L 1821498-25-2 C17H19ClN2O5
(6R,7R)-7-[(2,2-dimethylpropanoyl)amino]-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (6R,7R)-7-[(2,2-dimethylpropanoyl)amino]-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 2384108-14-7 C16H20N4O4S3
methyl (41R,12R,13aS)-13a-ethyl-12-hydroxy-2,3,41,5,6,12,13,13a-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate methyl (41R,12R,13aS)-13a-ethyl-12-hydroxy-2,3,41,5,6,12,13,13a-octahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate 58000-63-8 C21H26N2O3
(S)-ethyl 2-(((S)-(perfluorophenoxy)(phenoxy)phosphoryl)amino)propanoate (S)-ethyl 2-(((S)-(perfluorophenoxy)(phenoxy)phosphoryl)amino)propanoate 1392015-05-2 C17H15F5NO5P
3-(2-cyclopentylidene-2-phenylacetoxy)-1,1-dimethylpyrrolidin-1-ium bromide 3-(2-cyclopentylidene-2-phenylacetoxy)-1,1-dimethylpyrrolidin-1-ium bromide C19H26BrNO2
Cephalexin Impurity 3 Cephalexin Impurity 3 C16H17N3O4S
(6R,7R)-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-7-pivalamido-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (6R,7R)-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-7-pivalamido-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 1798390-48-3 C16H20N4O4S3
(S)-ethyl 3-((R)-5-oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylate(DD) (S)-ethyl 3-((R)-5-oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylate(DD)
Lincomycin EP Impurity B Lincomycin EP Impurity B 37744-65-3 C18H32N2O6S
(Z)-ロキシトロマイシン (Z)-ロキシトロマイシン 134931-00-3 C41H76N2O15
2-(pentan-3-yloxy)acetaldehyde 2-(pentan-3-yloxy)acetaldehyde 1141364-90-0 C7H14O2
Cabozantinib Impurity B Cabozantinib Impurity B
(R)-5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-amine (R)-5-(2-(2,5-difluorophenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidin-3-amine 1223404-88-3 C16H15F2N5
Ceftazidime Ep Impurity H Ceftazidime Ep Impurity H 1354396-23-8 C23H24N6O7S2
Parecoxib Sodium Impurity 14 Parecoxib Sodium Impurity 14 1709956-89-7 C19H18N2O4S
Benzoic acid, 2-[(methylamino)sulfonyl]- Benzoic acid, 2-[(methylamino)sulfonyl]- 125372-22-7 C8H9NO4S
1-Piperazineethanol,4-[(2-chlorophenyl)(3-chlorophenyl)methyl]-, hydrochloride (1:2) 1-Piperazineethanol,4-[(2-chlorophenyl)(3-chlorophenyl)methyl]-, hydrochloride (1:2) 126517-38-2 C19H24Cl4N2O
Benzene,1-ethoxy-4-(phenylmethyl)- Benzene,1-ethoxy-4-(phenylmethyl)- 35672-52-7 C15H16O
Donepezil Impurity Donepezil Impurity 36159-03-2 C22H22O5
tert-Butyl 4-(4-nitropyridin-3-yl)piperazine-1-carboxylate tert-Butyl 4-(4-nitropyridin-3-yl)piperazine-1-carboxylate 1774898-55-3 C14H20N4O4
4-(2-アミノフェノキシ)-N-メチルピコリンアミド 4-(2-アミノフェノキシ)-N-メチルピコリンアミド 1153328-25-6 C13H13N3O2
Bupivacaine Impurity Bupivacaine Impurity 780736-98-3 C14H20N2O
rel-(4aR,7aR)-6-Benzyloctahydro-1H-pyrrolo[3,4-b]pyridine rel-(4aR,7aR)-6-Benzyloctahydro-1H-pyrrolo[3,4-b]pyridine 161594-54-3 C14H20N2
1,2-bis(4-(3-(trifluoromethyl)phenyl)piperazin-1-yl)ethane 1,2-bis(4-(3-(trifluoromethyl)phenyl)piperazin-1-yl)ethane 51299-16-2 C24H28F6N4
(R)-N-(1-(7,8-dihydronaphthalen-1-yl)ethyl)-3-(3-(trifluoromethyl)phenyl)propan-1-amine (R)-N-(1-(7,8-dihydronaphthalen-1-yl)ethyl)-3-(3-(trifluoromethyl)phenyl)propan-1-amine 802918-35-0 C22H24F3N
Demiditraz racemate Demiditraz racemate 944263-08-5 C13H16N2
Ropivacaine-iPr Ropivacaine-iPr 175888-75-2 C17H26N2O
Demiditraz IMpurity Demiditraz IMpurity 944267-48-5 C19H18N2O
17,21-ジヒドロキシ-16β-メチルプレグナ-1,4,11-トリエン-3,20-ジオン 17,21-ジヒドロキシ-16β-メチルプレグナ-1,4,11-トリエン-3,20-ジオン 330157-04-5 C22H28O4
Capecitabine Impurity 8 Capecitabine Impurity 8
Carfilzomib Impurity D Carfilzomib Impurity D
Cefodizime Impurity 4 Cefodizime Impurity 4
Cefradine impurity 5 Cefradine impurity 5 1379292-16-6 C10H17NO2
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