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Pharmaceutical analytical standards

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

APIs from A to Z →

Results 30,211-30,220 of 36,550

Rifamycin Impurity 9

ImpurityLevels of characterisation
Cat. No.
P-R054-018
CAS
51757-13-2
Formula
C37H45NO12
Family
Rifamycin
Synonyms
25-O-deacetyl-21-O-acetyl Rifamycin S

Rifamycin L

ImpurityLevels of characterisation
Cat. No.
P-R054-017
CAS
26117-02-2
Formula
C39H49NO14
Family
Rifamycin
Synonyms
Rifamycin, 4-(hydroxyacetate)

Rifamycin Y

ImpurityLevels of characterisation
Cat. No.
P-R054-022
CAS
15271-73-5
Formula
C39H47NO15
Family
Rifamycin
Synonyms
NSC 145655

D-Serine

ImpurityLevels of characterisation
Cat. No.
P-C272-013
CAS
312-84-5
Formula
C3H7NO3
Family
Cycloserine
Synonyms
Serine D-form, Serine, D-

Sulfadimethoxine Impurity 1

ImpurityLevels of characterisation
Cat. No.
P-S103-012
CAS
5433-44-3
Formula
C12H13N5O4S2
Family
Sulfadimethoxine
Synonyms
4,4'-(triaz-1-ene-1,3-diyl)dibenzenesulfonamide, 1,3-Di(4-sulfamoylphenyl)triazene

Sulfadimethoxine Impurity 2

ImpurityLevels of characterisation
Cat. No.
P-S103-014
CAS
52386-29-5
Formula
C5H7N3O2
Family
Sulfadimethoxine
Synonyms
6-Amino-2-methoxy-3,4-dihydropyrimidin-4-one, 4-amino-2-methoxy-1H-pyrimidin-6-one

Sulfadimethoxine Impurity 3

ImpurityLevels of characterisation
Cat. No.
P-S103-015
CAS
74220-53-4
Formula
C10H15ClN2O4S2
Family
Sulfadimethoxine
Synonyms
p-(((4-Chlorobutyl)sulphonyl)amino)benzenesulphonamide, 4-(4-chlorobutylsulfonylamino)benzenesulfonamide

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