Letrozole Impurity 33 CAS 1461654-89-6

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.1461654-89-6
Molecular FormulaC10H10N4O
Molecular Weight202.21 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Letrozole Impurity 33 CAS 1461654-89-6 chemical structure

Description

CATO supplies Letrozole Impurity 33 (CAS 1461654-89-6), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H10N4O. Molecular weight: 202.21 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC10H10N4O
Molecular Weight202.21 g/mol
AppearancePale yellow to yellow crystalline powder. (faint amine-like odor)
Purity>95%
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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1992
Nitrogen Atoms4

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