Niraparib Impurity 57 CAS 343778-18-7

Purity ≥95%In StockPharmacopoeial Impurity Standards
CAS No.343778-18-7
Molecular FormulaC10H8N2O3
Molecular Weight204.18 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Niraparib Impurity 57 CAS 343778-18-7 chemical structure

Description

Niraparib Impurity 57 (CAS 343778-18-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H8N2O3. Molecular weight: 204.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC10H8N2O3
Molecular Weight204.18 g/mol
AppearancePale yellow to yellow crystalline powder. (faint amine-like odor)
Purity≥95%
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms2

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