Letrozole Impurity 8 CAS 2170106-13-3

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.2170106-13-3
Molecular FormulaC17H15N5O2
Molecular Weight321.33 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Letrozole Impurity 8 CAS 2170106-13-3 chemical structure

Description

Letrozole Impurity 8 (CAS 2170106-13-3) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C17H15N5O2. Molecular weight: 321.33 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC17H15N5O2
Molecular Weight321.33 g/mol
AppearancePale yellow to yellow crystalline powder
Purity>95%
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)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1998
Nitrogen Atoms5

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