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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 9,621-9,630 of 59,523

Cefoxitin Impurity 23

ImpurityLevels of characterisation
Cat. No.
P-C093-037
Formula
C16H19N3O8S2
Family
Cefoxitin
Synonyms
(2R)-5-(Carbamoyloxymethyl)-2-[(S)-carboxy-methoxy-[(2-thiophen-2-ylacetyl)amino]methyl]-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

Cefoxitin Impurity 4

ImpurityLevels of characterisation
Cat. No.
P-C093-016
Formula
C16H17N3O8S2
Family
Cefoxitin
Synonyms
(6R,7S)-3-(Carbamoyloxymethyl)-7-methoxy-5,8-dioxo-7-[(2-thiophen-2-ylacetyl)amino]-5lambda4-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefoxitin Impurity 5

ImpurityLevels of characterisation
Cat. No.
P-C093-017
Formula
C31H31N5O12S4
Family
Cefoxitin
Synonyms
(6R,7S)-3-[[(6R,7S)-3-(Carbamoyloxymethyl)-7-methoxy-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carbonyl]oxymethyl]-7-methoxy-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefoxitin Impurity 7 Hydrochloride

ImpurityLevels of characterisation
Cat. No.
P-C093-019
Formula
C15H17N3O5S2·HCl
Family
Cefoxitin
Synonyms
(6R,7S)-3-(Aminomethyl)-7-methoxy-8-oxo-7-[(2-thiophen-2-ylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid hydrochloride

Cefoxitin Impurity 8 Hydrochloride

ImpurityLevels of characterisation
Cat. No.
P-C093-020
Formula
C15H16N2O6S2·HCl
Family
Cefoxitin
Synonyms
(2S)-2-Methoxy-2-[(2R)-7-oxo-1,2,4,5-tetrahydrofuro[3,4-d][1,3]thiazin-2-yl]-2-[(2-thiophen-2-ylacetyl)amino]acetic acid hydrochloride

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