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共有 52178 条记录
CAS # 136572-09-3 Irinotecan HCl Trihydrate [1,4’-Bipiperidine]-1’-carboxylic Acid (4S)-4,11-Diethyl-3,4,12,14- tetrahydro-4-hydroxy-3,14-dioxo-1H-pyrano[3’,4’:6,7]indolizino[1,2-b]quinolin-9-yl ester hydrochloride trihydrate Irinotecan HCl Trihydrate [1,4’-Bipiperidine]-1’-carboxylic Acid (4S)-4,11-Diethyl-3,4,12,14- tetrahydro-4-hydroxy-3,14-dioxo-1H-pyrano[3’,4’:6,7]indolizino[1,2-b]quinolin-9-yl ester hydrochloride trihydrate 杂质-对照品 (2家)
153832-38-3 Ertapenem Disodium [4R-[3(3S*,5S*),4α,5β,6β(R*)]]-3-[[5-[[(3­-Carboxyphenyl) amino]carbonyl]-3-pyrrolidinyl]thio]-6-(1-hydroxyethyl)-4-methyl-7-oxo-1-­azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid disodium salt Ertapenem Disodium [4R-[3(3S*,5S*),4α,5β,6β(R*)]]-3-[[5-[[(3­-Carboxyphenyl) amino]carbonyl]-3-pyrrolidinyl]thio]-6-(1-hydroxyethyl)-4-methyl-7-oxo-1-­azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid disodium salt 杂质-对照品 (2家)
486430-93-7 (1S，2’R，3’AR，4’S，6S，7’AS)-REL-(-)- 6-(乙酰氧基)-3’A，4’，5’，7’A-四氢-2’-羟基-2’，4，4’-三甲基螺[3-环己烯-1，3’(2’H)-[7H]呋喃并[2，3-C]吡喃]-5，7’-二酮 O-Acetylcyclocalopin A 杂质-对照品 (3家)
1260619-56-4 阿巴卡韦-D4 Abacavir-d4; (2RS,6R,7R)-7-[[(2Z)-2-(2-AMINOTHIAZOL-4-YL)-2-[(1-CARBOXY-1-METHYLETHOXY)IMINO]ACETYL]AMINO]-8-OXO-3-[(1-PYRIDINIO)METHYL]-5-THIA-1-AZABICYCLO[4.2.0]OCT-3-ENE-2-CARBOXYLATE (Δ-2-CEFTAZIDIME) Abacavir-d4; (2RS,6R,7R)-7-[[(2Z)-2-(2-AMINOTHIAZOL-4-YL)-2-[(1-CARBOXY-1-METHYLETHOXY)IMINO]ACETYL]AMINO]-8-OXO-3-[(1-PYRIDINIO)METHYL]-5-THIA-1-AZABICYCLO[4.2.0]OCT-3-ENE-2-CARBOXYLATE (Δ-2-CEFTAZIDIME) 杂质-对照品 (2家)
1428856-46-5 (base) Fesoterodine Diol Dimer Monoester 2-Methyl-propanoic acid 2-[(1R)-3-[bis(1-methylethyl)amino]-1-phenylpropyl]-4-[[[3-[(1R)-3-[bis(1-methylethyl)amino]-1-phenylpropyl]-4-hydroxyphenyl] methoxy]methyl]phenyl ester fumarate   Fesoterodine Diol Dimer Monoester 2-Methyl-propanoic acid 2-[(1R)-3-[bis(1-methylethyl)amino]-1-phenylpropyl]-4-[[[3-[(1R)-3-[bis(1-methylethyl)amino]-1-phenylpropyl]-4-hydroxyphenyl] methoxy]methyl]phenyl ester fumarate   杂质-对照品 (1家)
339528-86-8 Cefpodoxime Proxetil EP Impurity C (1RS)-1-[[(1-Methylethoxy)carbonyl]oxy]ethyl (6R,7R)-7-[[(2Z)-2-(2-amino thiazol-4-yl)-2(methoxyimino)acetyl]amino]-3-(methoxymethyl)8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate Cefpodoxime Proxetil EP Impurity C (1RS)-1-[[(1-Methylethoxy)carbonyl]oxy]ethyl (6R,7R)-7-[[(2Z)-2-(2-amino thiazol-4-yl)-2(methoxyimino)acetyl]amino]-3-(methoxymethyl)8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate 杂质-对照品 (3家)
947692-13-9 Cefpodoxime Proxetil EP Impurity D (1RS)-1-[[(1-Methylethoxy)carbonyl]oxy]ethyl (6R,7R)-7-[[(2E)-2-(2-amino thiazol-4-yl)-2(methoxyimino)acetyl]amino]-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate Cefpodoxime Proxetil EP Impurity D (1RS)-1-[[(1-Methylethoxy)carbonyl]oxy]ethyl (6R,7R)-7-[[(2E)-2-(2-amino thiazol-4-yl)-2(methoxyimino)acetyl]amino]-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 杂质-对照品 (3家)
54651-05-7 Anidulafungin Echinocandin B Impurity Cyclo[L-Thr-[(3S,4S)-3-hydroxy-4-methyl-L-Pro-]-[(4R,5R)-4,5-dihydroxy-N2-[(9Z,12Z)-1-oxo-9,12-octadecadien-1-yl]-L-Orn*-]-L-Thr-L-t4Hyp-[(3S,4S)-3,4-dihydroxy-4-(4-hydroxyphenyl)-L-Abu-]]  Anidulafungin Echinocandin B Impurity Cyclo[L-Thr-[(3S,4S)-3-hydroxy-4-methyl-L-Pro-]-[(4R,5R)-4,5-dihydroxy-N2-[(9Z,12Z)-1-oxo-9,12-octadecadien-1-yl]-L-Orn*-]-L-Thr-L-t4Hyp-[(3S,4S)-3,4-dihydroxy-4-(4-hydroxyphenyl)-L-Abu-]]  杂质-对照品 (1家)
1332981-16-4 Atazanavir (3S,8S,9S,12R)-Isomer (3S,8S,9S,12R)-3,12-Bis(1,1-dimethylethyl)-8-hydroxy-4,11-dioxo-9-(phenylmethyl)-6-[[4-(2-pyridinyl)phenyl]methyl]-2,5,6,10,13-pentaazatetradecanedioic Acid 1,14-Dimethyl Ester CAS # 1332981-16-4 Atazanavir (3S,8S,9S,12R)-Isomer (3S,8S,9S,12R)-3,12-Bis(1,1-dimethylethyl)-8-hydroxy-4,11-dioxo-9-(phenylmethyl)-6-[[4-(2-pyridinyl)phenyl]methyl]-2,5,6,10,13-pentaazatetradecanedioic Acid 1,14-Dimethyl Ester CAS # 1332981-16-4 杂质-对照品 (1家)
92143-31-2 Ceftriaxone EP Impurity A (6R,7R)-7-[[(2E)-(2-Aminothiazol-4-yl)(methoxyimino)acetyl]amino]-3-[[(2-methyl-5,6-dioxo-1,2,5,6-tetrahydro-1,2,4-triazin-3-yl)sulfanyl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Ceftriaxone EP Impurity A (6R,7R)-7-[[(2E)-(2-Aminothiazol-4-yl)(methoxyimino)acetyl]amino]-3-[[(2-methyl-5,6-dioxo-1,2,5,6-tetrahydro-1,2,4-triazin-3-yl)sulfanyl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 杂质-对照品 (1家)
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