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Pharmaceutical analytical standards

APIs, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

APIs from A to Z →

Results 25,171-25,180 of 35,292

Esomeprazole Impurity 9

ImpurityLevels of characterisation
Cat. No.
P-E096-025
CAS
1080689-87-7
Formula
C8H8N2O3S
Family
Esomeprazole
Synonyms
6-Methoxy-1H-benzo[d]imidazole-2-sulfinic acid, 6-methoxy-1H-benzimidazole-2-sulfinic acid

Ethyl 3-(Acetoxy)crotonate

ImpurityLevels of characterisation
Cat. No.
P-T084-026
CAS
29214-62-8
Formula
C8H12O4
Family
Theophylline
Synonyms
Theophylline Impurity 19 (Mixture of Z and E Isomers), ethyl (Z)-3-acetyloxybut-2-enoate

Etoposide Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-E139-026
CAS
153975-25-8
Formula
C29H30O13
Family
Etoposide
Synonyms
9-[(7,8-Dihydroxy-2-methyl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-6-yl)oxy]-5-(4-hydroxy-3,5-dimethoxyphenyl)-8a,9-dihydro-8H-[2]benzofuro[6,5-f][1,3]benzodioxol-6-one

Etoposide Impurity 6

ImpurityLevels of characterisation
Cat. No.
P-E139-031
CAS
101648-60-6
Formula
C35H32Cl6O16
Family
Etoposide
Synonyms
[(2R,4aR,6R,7R,8S,8aR)-6-[[(5S,5aR,8aR,9R)-9-[4-(2,2-Dichloroacetyl)oxy-3,5-dimethoxyphenyl]-8-oxo-5a,6,8a,9-tetrahydro-5H-[2]benzofuro[6,5-f][1,3]benzodioxol-5-yl]oxy]-7-(2,2-dichloroacetyl)oxy-2-methyl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-8-yl] 2,2-dichloroacetate

Etoposide Impurity 8

ImpurityLevels of characterisation
Cat. No.
P-E139-034
CAS
89709-04-6
Formula
C16H20O8
Family
Etoposide
Synonyms
[(2R,4aR,6S,7R,8R,8aS)-7,8-Dihydroxy-2-methyl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-6-yl] benzyl carbonate

Etoposide Impurity 9

ImpurityLevels of characterisation
Cat. No.
P-E139-035
CAS
105016-65-7
Formula
C28H28O13
Family
Etoposide
Synonyms
5-[5-[[(4aR,6R,7R,8R,8aS)-7,8-Dihydroxy-2-methyl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-6-yl]oxy]-8-oxo-5a,6,8a,9-tetrahydro-5H-[2]benzofuro[5,6-f][1,3]benzodioxol-9-yl]-3-methoxycyclohexa-3,5-diene-1,2-dione, Etoposide ortho-quinone

Fenclorim

ImpurityLevels of characterisation
Cat. No.
P-P1058-028
CAS
3740-92-9
Formula
C10H6Cl2N2
Synonyms
4,6-dichloro-2-phenylpyrimidine, Pyrimidine, 4,6-dichloro-2-phenyl-

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