Favipiravir Impurity 20 CAS 356783-49-8

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.356783-49-8
Molecular FormulaC5HClFN3
Molecular Weight157.53 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Favipiravir Impurity 20 CAS 356783-49-8 chemical structure

Description

Favipiravir Impurity 20 (CAS 356783-49-8) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5HClFN3. Molecular weight: 157.53 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC5HClFN3
Molecular Weight157.53 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility)
Purity>95%
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)2025
Halogen ContentF/Cl-containing
Nitrogen Atoms3

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