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Pharmaceutical analytical standards

Active ingredients, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

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Results 1,961-1,970 of 5,812

Folic Acid EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-F108-006
CAS
119-24-4
Formula
C14H12N6O3
Family
Folic Acid
Synonyms
Pteroic Acid, 4-[(2-amino-4-oxo-3H-pteridin-6-yl)methylamino]benzoic acid

Folic acid EP Impurity E

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-F108-008
CAS
1391068-26-0
Formula
C26H24N12O7
Family
Folic Acid
Synonyms
Folic acid Impurity E, Folic Acid EP Impurity E(6-Pterinylfolic Acid)

Folic Acid EP Impurity F

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-F108-010
CAS
1391194-56-1
Formula
C7H6ClN5O
Family
Folic Acid
Synonyms
2-Amino-7-(chloromethyl)pteridin-4(1H)-one, 2-amino-7-(chloromethyl)-3H-pteridin-4-one

Folic Acid EP Impurity H

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-F108-013
CAS
2366274-27-1
Formula
C31H31N9O10
Family
Folic Acid
Synonyms
Folic acid impurity H, Folic Acid Impurity 83

Isofolic Acid

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-F108-015
CAS
52560-13-1
Formula
C19H19N7O6
Family
Folic Acid
Synonyms
N-(4-(((2-Amino-1,4-dihydro-4-oxo-6-pteridinyl)amino)methyl)benzoyl)-L-glutamic acid

1-Tetrazolylacetic acid

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-C076-017
CAS
21732-17-2
Formula
C3H4N4O2
Family
Cefazolin
Synonyms
2-(tetrazol-1-yl)acetic acid, Tetrazol-1-acetic acid

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