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Structure Chemical Name CAS MF
Unii-o0p4I5851i Unii-o0p4I5851i 139563-29-4 C28H37ClN4O2S
デヒドロモナコリンK デヒドロモナコリンK 109273-98-5 C24H34O4
(2b,3a,16b,17b)-2,16-Bispiperidino-3,17-diacetoxy-5-androstane (2b,3a,16b,17b)-2,16-Bispiperidino-3,17-diacetoxy-5-androstane 13529-31-2 C33H54N2O4
Palbociclib Impurity 59 Palbociclib Impurity 59 1430196-98-7 C14H20N4O4
Landiolol impurity Z Landiolol impurity Z
Vitamin K1 Impurity 1 Vitamin K1 Impurity 1 19274-66-9 C31H46O2
Teneligliptin Impurity 13 Teneligliptin Impurity 13
Ceftazidime EP Impurity D Ceftazidime EP Impurity D 73547-69-0 C45H44N6O7S2
Nicergoline EP Impurity G Nicergoline EP Impurity G 57935-65-6 C23H24BrN3O2
Benzenesulfonamide, 4-[5-(4-methylphenyl)-2-oxido-3-(trifluoromethyl)-1H-pyrazol-1-yl]- Benzenesulfonamide, 4-[5-(4-methylphenyl)-2-oxido-3-(trifluoromethyl)-1H-pyrazol-1-yl]- 2356153-95-0 C17H14F3N3O3S
2-Pyrrolidinecarbonitrile, 1-(2-aminoacetyl)-, hydrochloride (1:1), (2S)- 2-Pyrrolidinecarbonitrile, 1-(2-aminoacetyl)-, hydrochloride (1:1), (2S)- 913980-23-1 C7H12ClN3O
Lamivudine Impurity 7 Lamivudine Impurity 7 147126-63-4 C14H24O4S
EsCitalopram EP Impurity I EsCitalopram EP Impurity I 1370643-22-3 C20H21FN2O
(trans)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4-methoxyphenyl)-1-methylpiperidine (trans)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4-methoxyphenyl)-1-methylpiperidine 127017-42-9 C21H25NO4
Methylprednisolone Impurity 21 Methylprednisolone Impurity 21 150899-33-5 C22H28O4
Epinephrine Impurity 7 Epinephrine Impurity 7 62322-82-1 C9H11NO3
(trans)-4-((2-amino-4,6-dibromobenzyl)amino)cyclohexanol (trans)-4-((2-amino-4,6-dibromobenzyl)amino)cyclohexanol C13H18Br2N2O
Fesoterodine Impurity 14 Fesoterodine Impurity 14
Dexamethasone EP impurities E Dexamethasone EP impurities E
(R)-N-((S)-2-aminobutanoyl)-3-(bromomethyl)hexanamide (R)-N-((S)-2-aminobutanoyl)-3-(bromomethyl)hexanamide C11H21BrN2O2
Empagliflozin Impurity 57（R,R） Empagliflozin Impurity 57（R,R）
Aripiprazole peroxide degradation Impurity (MW:303Da) Aripiprazole peroxide degradation Impurity (MW:303Da)
Pramipexole Impurity Reference Pramipexole Impurity Reference
2,2'-(4,10-bis((trans)-1,3,4-trihydroxybutan-2-yl)-1,4,7,10-tetraazacyclododecane-1,7-diyl)diacetic acid Gd3+ 2,2'-(4,10-bis((trans)-1,3,4-trihydroxybutan-2-yl)-1,4,7,10-tetraazacyclododecane-1,7-diyl)diacetic acid Gd3+
3-[4-(acetyloxymethyl)phenyl]-2-propenoic acid methyl ester 3-[4-(acetyloxymethyl)phenyl]-2-propenoic acid methyl ester 100688-45-7 C13H14O4
Acetaminophen Impurity 14 Acetaminophen Impurity 14 1991204-56-8 C16H18N2O2
Ketoconazole Impurity 7 Ketoconazole Impurity 7 172032-21-2 C11H12Cl2O3
Rosuvastatin Impurity 59 Rosuvastatin Impurity 59
Losartan Impurity 12 Losartan Impurity 12 727718-93-6 C22H22ClN9
benzyl (2S)-2-amino-3-(4-methanesulfonylphenyl)propanoate hydrochloride benzyl (2S)-2-amino-3-(4-methanesulfonylphenyl)propanoate hydrochloride 1865726-28-8 C17H19NO4S
Glycopyrrolate Impurity 12 Glycopyrrolate Impurity 12 857353-41-4 C13H14O3
(4S,4aR,5R,12aS)-4-(dimethylamino)-3,5,10,11,12a-pentahydroxy-6-methyl-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide (4S,4aR,5R,12aS)-4-(dimethylamino)-3,5,10,11,12a-pentahydroxy-6-methyl-1,12-dioxo-1,4,4a,5,12,12a-hexahydrotetracene-2-carboxamide 4660-26-8 C22H22N2O8
Regorafenib Impurity 38 Regorafenib Impurity 38
Cefazolin Impurity 28 Cefazolin Impurity 28
Vonoprazan Impurity 57 Vonoprazan Impurity 57
Tafluprost Impurity 9 Tafluprost Impurity 9 2099033-66-4 C27H41NO8
2H-3-Benzazepin-2-one, 3-[3-[[[(7S)-3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl]methylamino]propyl]-1,3,4,5-tetrahydro-5-hydroxy-7,8-dimethoxy- 2H-3-Benzazepin-2-one, 3-[3-[[[(7S)-3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl]methylamino]propyl]-1,3,4,5-tetrahydro-5-hydroxy-7,8-dimethoxy- 2253977-80-7 C27H36N2O6
Benzeneacetic acid, 3-[1-hydroxy-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]butyl]-α,α-dimethyl-, methyl ester Benzeneacetic acid, 3-[1-hydroxy-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]butyl]-α,α-dimethyl-, methyl ester 1187954-56-8 C33H41NO4
N-[2-(methylthio)ethyl]-2-[(3,3,3-trifluoropropyl)thio]-Adenosine 5''-(hydrogen P-1H-imidazol-1-ylphosphonate) N-[2-(methylthio)ethyl]-2-[(3,3,3-trifluoropropyl)thio]-Adenosine 5''-(hydrogen P-1H-imidazol-1-ylphosphonate) 1054332-15-8 C19H25F3N7O6PS2
N-[5-(4-Bromophenyl)-6-[2-(2-pyrimidinyloxy)ethoxy]-4-pyrimidinyl]-N''-propyl-sulfamide N-[5-(4-Bromophenyl)-6-[2-(2-pyrimidinyloxy)ethoxy]-4-pyrimidinyl]-N''-propyl-sulfamide 2211059-00-4 C19H21BrN6O4S
Isomer 1 of Tazobactam Impurity 3 Isomer 1 of Tazobactam Impurity 3
Ceftiofur USP Impurity I Ceftiofur USP Impurity I
Cephalexin Degradation Impurity A Cephalexin Degradation Impurity A
Pregabalin-8687（mixture of 4 isomers） Pregabalin-8687（mixture of 4 isomers）
7-(2-chloropropanoyl)-5H-chromeno[2,3-b]pyridin-5-one 7-(2-chloropropanoyl)-5H-chromeno[2,3-b]pyridin-5-one
1-(5H-chromeno[2,3-b]pyridin-7-yl)-2-methoxypropan-1-one 1-(5H-chromeno[2,3-b]pyridin-7-yl)-2-methoxypropan-1-one
(E)-4-chloro-6-(3-(2,4-difluorophenyl)-4-(1H-1,2,4-triazol-1-yl)but-3-en-2-yl)-5-fluoropyrimidine (E)-4-chloro-6-(3-(2,4-difluorophenyl)-4-(1H-1,2,4-triazol-1-yl)but-3-en-2-yl)-5-fluoropyrimidine
Dolutegravir Impurity C Dolutegravir Impurity C 1802141-49-6 C22H23F2N3O5
Dapoxetine Impurity 68 Dapoxetine Impurity 68 119357-48-1 C19H18O
Tobramycin Impurity Tobramycin Impurity 74501-86-3 C18H35N5O8
Peramivir Impurity 24 Peramivir Impurity 24
2-CHLORO-6-AMINO-9-(2',3',5'-TRI-O-ACETYL--D-RIBOFURANOSYL)PURINE 2-CHLORO-6-AMINO-9-(2',3',5'-TRI-O-ACETYL--D-RIBOFURANOSYL)PURINE 79999-39-6 C16H18ClN5O7
Sugammadex sodium Impurity 46 Sugammadex sodium Impurity 46
Tenofovir Impurity 103 Tenofovir Impurity 103
Tafluprost Impurity 17 Tafluprost Impurity 17
Labetalol EP impurity E Labetalol EP impurity E
1-Propanol, 3-(2-methoxy-5-nitrophenoxy)- 1-Propanol, 3-(2-methoxy-5-nitrophenoxy)- 1156068-41-5 C10H13NO5
1616710-52-1 1616710-52-1 1616710-52-1 C27H34N2O6
6-ヒドロキシオンダンセトロン 6-ヒドロキシオンダンセトロン 110708-17-3 C18H19N3O2
8-クロロ-5,6-ジヒドロ-11H-ベンゾ[5,6]シクロヘプタ[1,2-b]ピリジン-11-オン 8-クロロ-5,6-ジヒドロ-11H-ベンゾ[5,6]シクロヘプタ[1,2-b]ピリジン-11-オン 31251-41-9 C14H10ClNO
(R)-Ornidazole (R)-Ornidazole 166734-80-1 C7H10ClN3O3
Bendamustine Related Impurity 22 Bendamustine Related Impurity 22
Cabozantinib impurity 44 Cabozantinib impurity 44
Cabozantinib impurity 40 Cabozantinib impurity 40
Cabozantinib impurity 74 Cabozantinib impurity 74
Doxofylline Impurity 25 Doxofylline Impurity 25
2-メトキシ-4-[(E)-1-プロペニル]フェノール 2-メトキシ-4-[(E)-1-プロペニル]フェノール 5932-68-3 C10H12O2
3-アミノ-5-[(メチルチオ)メチル]オキサゾリジン-2-オン 3-アミノ-5-[(メチルチオ)メチル]オキサゾリジン-2-オン 25517-72-0 C5H10N2O2S
Phosphonic acid, [[2-(6-amino-9H-purin-9-yl)propoxy]methyl]- (9CI) Phosphonic acid, [[2-(6-amino-9H-purin-9-yl)propoxy]methyl]- (9CI) 107021-20-5 C9H14N5O4P
Sitagliptin EP Impurity 7 Sitagliptin EP Impurity 7
Sitagliptin EP Impurity H Sitagliptin EP Impurity H
7-Benzofurancarboxamide, 4-amino-5-chloro-2,3-dihydro-3-hydroxy-N-[1-(3-methoxypropyl)-4-piperidinyl]- 7-Benzofurancarboxamide, 4-amino-5-chloro-2,3-dihydro-3-hydroxy-N-[1-(3-methoxypropyl)-4-piperidinyl]- 2636673-48-6 C18H26ClN3O4
Beprostatin impurity 4 Beprostatin impurity 4
N-(メトキシカルボニル)-p-トルエンスルホンアミド N-(メトキシカルボニル)-p-トルエンスルホンアミド 14437-03-7 C9H11NO4S
(1R,2R,4S,5S,7s,9r)-9-butyl-9-methyl-7-((2-phenylacryloyl)oxy)-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-9-ium (1R,2R,4S,5S,7s,9r)-9-butyl-9-methyl-7-((2-phenylacryloyl)oxy)-3-oxa-9-azatricyclo[3.3.1.02,4]nonan-9-ium 786598-71-8 C21H28NO3+
(S)-レパグリニドエチルエステル (REPAGLINIDE IMPURITY) (S)-レパグリニドエチルエステル (REPAGLINIDE IMPURITY) 147770-06-7 C29H40N2O4
4-Chloro-2-(chloromethyl)-3-Methyl Pyridine Hydrochloride 4-Chloro-2-(chloromethyl)-3-Methyl Pyridine Hydrochloride 152402-97-6 C7H8Cl3N
4-(3-CYANO-2-METHYLPROPIONYL)ACETAMILIDE 4-(3-CYANO-2-METHYLPROPIONYL)ACETAMILIDE 42075-21-8
Erythromycin, 6-O-Methyl-2',4'-Bis-O-(Trimethylsilyl)-, 9-[O-(1-Methoxy-1-Methylethyl)Oxime] Erythromycin, 6-O-Methyl-2',4'-Bis-O-(Trimethylsilyl)-, 9-[O-(1-Methoxy-1-Methylethyl)Oxime] 119699-81-9 C48H94N2O14Si2
(R)-8-(3-aminopiperidin-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-7-(3-oxobutyl)-3,7-dihydro-1H-purine-2,6-dione (R)-8-(3-aminopiperidin-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-7-(3-oxobutyl)-3,7-dihydro-1H-purine-2,6-dione
Isavuconazole Impurity 37 Isavuconazole Impurity 37
N-((R)-1-(((R)-3-methyl-1-((3aS,4S,6S,7aR)-3a,5,5-trimethylhexahydro-4,6-methanobenzo[d][1,3,2]dioxaborol-2-yl)butyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide N-((R)-1-(((R)-3-methyl-1-((3aS,4S,6S,7aR)-3a,5,5-trimethylhexahydro-4,6-methanobenzo[d][1,3,2]dioxaborol-2-yl)butyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide 1375004-39-9 C29H39BN4O4
(S)-1-(2-(((1r,3R,5S,7S)-3,5-dihydroxyadamantan-1-yl)amino)acetyl)pyrrolidine-2-carbonitrile (S)-1-(2-(((1r,3R,5S,7S)-3,5-dihydroxyadamantan-1-yl)amino)acetyl)pyrrolidine-2-carbonitrile
Mannitol EP impurity B Mannitol EP impurity B
Mannitol EP impurity A Mannitol EP impurity A
Peramivir Amino Carboxylic Isomerism Impurity Peramivir Amino Carboxylic Isomerism Impurity
Peramivir Chlorinated Impurity Peramivir Chlorinated Impurity
Brivaracetam Impurity 999 Brivaracetam Impurity 999
Dasatinib impurity 48 Dasatinib impurity 48
Pemetrexed Impurity 120 Pemetrexed Impurity 120
Ticagrelor Impurity 101 Ticagrelor Impurity 101
4-tosyl-1,4,8,11-tetraazabicyclo[9.3.1]pentadecane 4-tosyl-1,4,8,11-tetraazabicyclo[9.3.1]pentadecane
1-(3-((2,4-dimethylphenyl)thio)phenyl)piperazine hydrochloride 1-(3-((2,4-dimethylphenyl)thio)phenyl)piperazine hydrochloride 2137793-92-9
(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
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