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Pharmaceutical analytical standards

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

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Results 14,701-14,710 of 59,523

Camptothecin Impurity 4

ImpurityLevels of characterisation
Cat. No.
P-C016-017
Formula
C34H40N4O7
Family
Camptothecin
Synonyms
[(19S)-10,19-Diethyl-19-hydroxy-8-methoxy-14,18-dioxo-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4(9),5,7,10,15(20)-heptaen-7-yl] 4-piperidin-1-ylpiperidine-1-carboxylate

Camptothecin Impurity 8 Hydrochloride

ImpurityLevels of characterisation
Cat. No.
P-C016-021
Formula
C22H20FN3O4·HCl
Family
Camptothecin
Synonyms
(19S)-10-(Aminomethyl)-19-ethyl-6-fluoro-19-hydroxy-7-methyl-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4(9),5,7,10,15(20)-heptaene-14,18-dione hydrochloride

Clobetasol Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-C199-017
Formula
C25H31FO5
Family
Clobetasol
Synonyms
(8S,9R,10S,11S,13S,14S,16S,17R)-5'-Ethyl-9-fluoro-4',11-dihydroxy-10,13,16-trimethylspiro[6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthrene-17,2'-furan]-3,3'-dione

Clobetasol Impurity 4

ImpurityLevels of characterisation
Cat. No.
P-C199-019
Formula
C22H30O5
Family
Clobetasol
Synonyms
(8S,10R,11S,13S,14S,16R,17R)-11,17-Dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-3-one

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