Ensitrelvir Impurity 5 CAS 57031-66-0

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.57031-66-0
Molecular FormulaC5H7N3O2
Molecular Weight141.13 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Ensitrelvir Impurity 5 CAS 57031-66-0 chemical structure

Description

Ensitrelvir Impurity 5 (CAS 57031-66-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H7N3O2. Molecular weight: 141.13 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC5H7N3O2
Molecular Weight141.13 g/mol
Purity>95%
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1973
Nitrogen Atoms3

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