Letrozole Impurity 4 CAS 112809-25-3

Purity >90%In StockPharmacopoeial Impurity Standards
CAS No.112809-25-3
Molecular FormulaC10H8N4
Molecular Weight184.20 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Letrozole Impurity 4 CAS 112809-25-3 chemical structure

Description

Order Letrozole Impurity 4 (CAS 112809-25-3) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C10H8N4. Molecular weight: 184.20 g/mol. COA included with every batch.

Physical & Chemical Properties

Molecular FormulaC10H8N4
Molecular Weight184.20 g/mol
AppearancePale yellow to yellow crystalline powder. (faint amine-like odor)
Purity>90%
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 Atoms4

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