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Pharmaceutical analytical standards

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

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Results 4,431-4,440 of 5,812

Praziquantel EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-P174-003
CAS
125273-86-1
Formula
C19H22N2O2
Family
Praziquantel
Synonyms
Didehydro praziquantel, Praziquantel impurity b (ep impurity)

Praziquantel EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-P174-004
CAS
125273-88-3
Formula
C19H22N2O4
Family
Praziquantel
Synonyms
N-Formyl-N-(2-oxo-2-(1-oxo-3,4-dihydroisoquinolin-2(1H)-yl)ethyl)cyclohexanecarboxamide, Cyclohexanecarboxamide, N-(2-(3,4-dihydro-1-oxo-2(1H)-isoquinolinyl)-2-oxoethyl)-N-formyl-

Riboflavin EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R050-003
CAS
1088-56-8
Formula
C13H12N4O2
Family
Riboflavin
Synonyms
Lumiflavin, 7,8,10-trimethylbenzo[g]pteridine-2,4-dione

Riboflavin EP Impurity B

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R050-004
CAS
1086-80-2
Formula
C12H10N4O2
Family
Riboflavin
Synonyms
Lumichrome, 7,8-dimethyl-1H-benzo[g]pteridine-2,4-dione

Riboflavin EP Impurity C

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R050-005
CAS
2535-20-8
Formula
C13H18N4O6
Family
Riboflavin
Synonyms
6,7-Dimethyl-8-ribityllumazine, Russupteridine IV

Riboflavin Sodium Phosphate EP Impurity A

Pharmacopoeial impurityLevels of characterisation
Cat. No.
P-R050-007
CAS
86108-27-2
Formula
C17H22N4O12P2
Family
Riboflavin
Synonyms
Riboflavin-3’, 4’-Diphosphate, Riboflavin 3'-(dihydrogen phosphate), 4'-(dihydrogen phosphate)

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