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Pharmaceutical analytical standards

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

Active ingredients from A to Z →

Results 1,621-1,630 of 5,812

Ribavirin EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R048-002
CAS
39925-19-4
Formula
C8H11N3O6
Family
Ribavirin
Synonyms
Ribavirin carboxylic acid, Ribavirin impurity a (ep impurity)

Ribavirin EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R048-003
CAS
57198-02-4
Formula
C8H12N4O5
Family
Ribavirin
Synonyms
Ribavirin Impurity B, alpha-Ribavirin

Ribavirin EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R048-004
CAS
4928-87-4
Formula
C3H3N3O2
Family
Ribavirin
Synonyms
1H-1,2,4-triazole-3-carboxylic acid, 1H-1,2,4-triazole-5-carboxylic acid

Ribavirin EP Impurity D

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R048-005
CAS
3641-08-5
Formula
C3H4N4O
Family
Ribavirin
Synonyms
1,2,4-Triazole-3-carboxamide, 1H-1,2,4-triazole-5-carboxamide

Ribavirin EP Impurity E

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R048-006
CAS
58151-90-9
Formula
C15H16N4O6
Family
Ribavirin
Synonyms
Ribavirin Impurity E, 1-(5-O-Benzoyl-beta-D-ribofuranosyl)-1H-1,2,4-triazole-3-carboxamide

Ribavirin EP Impurity F

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R048-007
CAS
58151-87-4
Formula
C10H14N4O6
Family
Ribavirin
Synonyms
5’-O-Acetyl Ribavirin, 5'-O-Acetylribavirin

Ribavirin EP Impurity G

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R048-008
CAS
39030-43-8
Formula
C8H12N4O5
Family
Ribavirin
Synonyms
1-beta-D-Ribofuranosyl-1H-1,2,4-triazole-5-carboxamide, Iso Ribavirin (Ribavirin Impurity G)

Levocarnitine EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-L046-035
CAS
124-83-4
Formula
C10H16O4
Family
Levocarnitine
Synonyms
Levocarnitine Impurity B (D-Camphoric Acid), D-(+)-Camphoric acid

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