Letrozole Impurity 22 CAS 876728-37-9

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.876728-37-9
Molecular FormulaC10H8N4
Molecular Weight184.20 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Letrozole Impurity 22 CAS 876728-37-9 chemical structure

Description

Letrozole Impurity 22 (CAS 876728-37-9) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C10H8N4. Molecular weight: 184.20 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

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

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