Letrozole Impurity 23 CAS 876316-41-5

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.876316-41-5
Molecular FormulaC10H8N4
Molecular Weight184.20 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Letrozole Impurity 23 CAS 876316-41-5 chemical structure

Description

CATO supplies Letrozole Impurity 23 (CAS 876316-41-5), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H8N4. Molecular weight: 184.20 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC10H8N4
Molecular Weight184.20 g/mol
AppearancePale yellow to yellow crystalline powder. (faint amine-like odor)
Purity97%+
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.)1987
Nitrogen Atoms4

Related Letrozole Standards

Recommended Standards

Why CATO?