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

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Pyridoxine EP Impurity A Hydrochloride

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-P239-004
CAS: 1006-21-9
Formula: C₈H₉NO₂·HCl
Family: Pyridoxine
Synonyms: 1,3-Dihydro-6-methylfuro(3,4-c)pyridin-7-ol hydrochloride, Pyridoxine Impurity A HCl

Pyridoxine EP Impurity B Hydrochloride

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-P239-006
CAS: 148-51-6
Formula: C₈H₁₁NO₂·HCl
Family: Pyridoxine
Synonyms: 4-Desoxypyridoxine hydrochloride

Entecavir EP Impurity A

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-E059-006
CAS: 1367369-78-5
Formula: C₁₂H₁₅N₅O₃
Family: Entecavir
Synonyms: 1'-epi-Entecavir, Entecavir 1-epimer

Entecavir EP Impurity B

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-E059-007
CAS: 1367369-77-4
Formula: C₁₂H₁₅N₅O₃
Family: Entecavir
Synonyms: Entecavir 3-epimer, Entecavir 3-epimer impurity

Entecavir EP Impurity C

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-E059-009
CAS: 2204369-23-1
Formula: C₁₂H₁₅N₅O₄
Family: Entecavir
Synonyms: 8-Hydroxy Entecavir, Entecavir Impurity J

Entecavir EP Impurity D

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-E059-010
CAS: 1367369-80-9
Formula: C₁₂H₁₅N₅O₃
Family: Entecavir
Synonyms: Entecavir 4-epimer, Entecavir 4-epimer (usp impurity)

Entecavir EP Impurity E

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-E059-012
CAS: 2349444-69-3
Formula: C₁₃H₁₇N₅O₄
Family: Entecavir
Synonyms: 8-Methoxy Entecavir, Entecavir Impurity K

Entecavir EP Impurity F

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-E059-005
CAS: 649761-24-0
Formula: C₂₇H₃₁N₅O₂Si
Family: Entecavir

Ambroxol EP Impurity B

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-A108-004
CAS: 18683-95-9
Formula: C₁₄H₁₈Br₂N₂O
Family: Ambroxol
Synonyms: 4-(6,8-dibromo-2,4-dihydro-1H-quinazolin-3-yl)cyclohexan-1-ol, Ambroxol Impurity B

Ambroxol EP Impurity B Hydrochloride

Pharmacopoeial impurityLevels of characterisation

Cat. No.: P-A108-003
CAS: 15942-08-2
Formula: C₁₄H₁₈Br₂N₂O·HCl
Family: Ambroxol
Synonyms: Ambroxol cyclic impurity hcl, Metabolites of Bisolvon

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