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Pharmaceutical analytical standards

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

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Results 12,611-12,620 of 59,523

Rifampicin Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-R053-020
Formula
C43H56N4O13
Family
Rifampicin
Synonyms
[(7S,9E,11S,12R,13S,14R,15S,16S,19E,21Z)-2,15,18,27,29-Pentahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-26-[(E)-(4-methylpiperazin-1-yl)iminomethyl]-6,17,23-trioxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(29),2,4,9,19,21,25,27-octaen-13-yl] acetate

Rifampicin Impurity 6

ImpurityLevels of characterisation
Cat. No.
P-R053-024
Formula
C42H54N4O13
Family
Rifampicin
Synonyms
[(7S,9E,11S,12R,13S,14R,15S,16S,19E,21Z)-2,15,18,27,29-Pentahydroxy-11-methoxy-3,7,12,14,16,22-hexamethyl-26-[(E)-(4-methylpiperazin-1-yl)iminomethyl]-6,17,23-trioxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(29),2,4,9,19,21,25,27-octaen-13-yl] acetate

Rifampicin Impurity 9

ImpurityLevels of characterisation
Cat. No.
P-R053-027
Formula
C43H58N4O13
Family
Rifampicin
Synonyms
[(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E,21Z)-2,15,17,27,29-Pentahydroxy-22-(hydroxymethyl)-11-methoxy-3,7,12,14,16,18-hexamethyl-26-[(E)-(4-methylpiperazin-1-yl)iminomethyl]-6,23-dioxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(29),2,4,9,19,21,25,27-octaen-13-yl] acetate

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