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Pharmaceutical analytical standards

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

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Results 25,921-25,930 of 35,292

Carbocisteine Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-C040-007
CAS
88620-38-6
Formula
C5H7NO4S
Family
Carbocisteine
Synonyms
3-Thiomorpholinecarboxylic acid, 5-oxo-, 1-oxide, 1,5-dioxo-1,4-thiazinane-3-carboxylic acid

Carbocisteine Impurity A

ImpurityLevels of characterisation
Cat. No.
P-C040-028
CAS
14226-97-2
Formula
C5H7NO3S
Family
Carbocisteine
Synonyms
Lactam of (S)-Carboxymethyl-(D,L)-cysteine, 5-oxothiomorpholine-3-carboxylic Acid

Carbocisteine Lactam Sodium Salt

ImpurityLevels of characterisation
Cat. No.
P-C040-024
CAS
88933-48-6
Formula
C5H6NNaO3S
Family
Carbocisteine
Synonyms
sodium (3R)-5-oxothiomorpholine-3-carboxylate, Sodium (R)-5-oxothiomorpholine-3-carboxylate

Carbocisteine S-Isomer

ImpurityLevels of characterisation
Cat. No.
P-C040-025
CAS
50698-76-5
Formula
C5H9NO4S
Family
Carbocisteine
Synonyms
(S)-Carbocisteine, S-(Carboxymethyl)-D-cysteine

Carbocisteine Sulfoxide

ImpurityLevels of characterisation
Cat. No.
P-C040-003
CAS
5439-87-2
Formula
C5H9NO5S
Family
Carbocisteine
Synonyms
(S)-Carboxymethyl-L-cysteine (R/S)-Sulphoxide, Carbocysteine sulfoxide

Cefamandole Impurity 11

ImpurityLevels of characterisation
Cat. No.
P-C071-020
CAS
80543-51-7
Formula
C9H7ClO3
Family
Cefamandole
Synonyms
[(1S)-2-Chloro-2-oxo-1-phenylethyl] formate

Cefamandole Impurity 13

ImpurityLevels of characterisation
Cat. No.
P-C071-022
CAS
51818-85-0
Formula
C18H18N2O7S
Family
Cefamandole
Synonyms
(6R,7R)-3-(Acetyloxymethyl)-7-[[(2R)-2-hydroxy-2-phenylacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefamandole Impurity 18

ImpurityLevels of characterisation
Cat. No.
P-C071-027
CAS
57268-80-1
Formula
C19H18N6O6S2
Family
Cefamandole
Synonyms
(6R,7R)-7-[[(2R)-2-Formyloxy-2-phenylacetyl]amino]-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefamandole Impurity 7

ImpurityLevels of characterisation
Cat. No.
P-C071-015
CAS
144125-09-7
Formula
C18H18N6O5S2
Family
Cefamandole
Synonyms
(6R,7R)-7-[[(2S)-2-Hydroxy-2-phenylacetyl]amino]-3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

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