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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 56,291-56,300 of 59,523

Dithranol EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-D157-004
CAS
31991-54-5
Formula
C28H18O6
Family
Dithranol
Synonyms
1,8,1',8'-Tetrahydroxybisanthrone, Anthralin dimer

Dithranol EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-D157-005
CAS
1715-81-7
Formula
C14H10O2
Family
Dithranol
Synonyms
1-hydroxy-10H-anthracen-9-one, Hydroxyanthrone

Doramectin Impurity 3

ImpurityLevels of characterisation
Cat. No.
P-D172-006
CAS
2560603-30-5
Formula
C49H74O15
Family
Doramectin
Synonyms
(1S,2'R,3'S,4R,7S,9S,14S,15R,19R,21S)-2'-Cyclohexyl-7,9,14-trihydroxy-15-[(2S,4S,5S,6S)-5-[(2S,4S,5S,6S)-5-hydroxy-4-methoxy-6-methyloxan-2-yl]oxy-4-methoxy-6-methyloxan-2-yl]oxy-10-(hydroxymethyl)-3',6,16-trimethylspiro[2,20-dioxatricyclo[17.3.1.04,9]tricosa-5,10,12,16-tetraene-21,6'-2,3-dihydropyran]-3-one

Duocarmycin Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-D196-002
CAS
128300-13-0
Formula
C18H19NO3
Family
Duocarmycin
Synonyms
tert-Butyl (1R,13S)-8-oxo-11-azatetracyclo[8.4.0.01,13.02,7]tetradeca-2,4,6,9-tetraene-11-carboxylate

Duocarmycin Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-D196-003
CAS
153925-97-4
Formula
C26H25N3O7
Family
Duocarmycin
Synonyms
Methyl (1R,12S)-4-methyl-7-oxo-10-(5,6,7-trimethoxy-1H-indole-2-carbonyl)-5,10-diazatetracyclo[7.4.0.01,12.02,6]trideca-2(6),3,8-triene-3-carboxylate

Duocarmycin Impurity 3

ImpurityLevels of characterisation
Cat. No.
P-D196-004
CAS
205652-14-8
Formula
C26H26BrN3O7
Family
Duocarmycin
Synonyms
Methyl 8-(bromomethyl)-4-hydroxy-2-methyl-6-(5,6,7-trimethoxy-1H-indole-2-carbonyl)-7,8-dihydro-3H-pyrrolo[3,2-e]indole-1-carboxylate

Duocarmycin SA

ImpurityLevels of characterisation
Cat. No.
P-D196-005
CAS
130288-24-3
Formula
C25H23N3O7
Family
Duocarmycin
Synonyms
Cyclopropa(c)pyrrolo(3,2-e)indole-6-carboxylic acid, 1,2,4,5,8,8a-hexahydro-4-oxo-2-((5,6,7-trimethoxy-1H-indol-2-yl)carbonyl)-, methyl ester, (7bR)-, Methyl (1R,12S)-7-oxo-10-(5,6,7-trimethoxy-1H-indole-2-carbonyl)-5,10-diazatetracyclo(7.4.0.01,12.02,6)trideca-2(6),3,8-triene-4-carboxylate

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