Pemirolast Impurity 4 CAS 113950-80-4

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.113950-80-4
Molecular FormulaC10H7N3O
Molecular Weight185.18 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Pemirolast Impurity 4 CAS 113950-80-4 chemical structure

Description

CATO supplies Pemirolast Impurity 4 (CAS 113950-80-4), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H7N3O. Molecular weight: 185.18 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC10H7N3O
Molecular Weight185.18 g/mol
AppearancePale yellow to yellow crystalline powder. (faint amine-like odor)
Purity>95%
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Nitrogen Atoms3

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