Letrozole Impurity 27 CAS 160388-64-7

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.160388-64-7
Molecular FormulaC12H13N3O2
Molecular Weight231.25 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Letrozole Impurity 27 CAS 160388-64-7 chemical structure

Description

CATO supplies Letrozole Impurity 27 (CAS 160388-64-7), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H13N3O2. Molecular weight: 231.25 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC12H13N3O2
Molecular Weight231.25 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
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.)2002
Nitrogen Atoms3

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