Home > Pharmacopoeial Impurity Standards > Letrozole Impurity 5 (32446-66-5)
Letrozole Impurity 5 CAS 32446-66-5
Purity >95% In Stock Pharmacopoeial Impurity Standards
CAS No. 32446-66-5
Molecular Formula C15H8N2O
Molecular Weight 232.24 g/mol
Category Pharmacopoeial Impurity Standards / EP Impurities
Availability In Stock
Description Letrozole Impurity 5 (CAS 32446-66-5) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C15H8N2O. Molecular weight: 232.24 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties Molecular Formula C15H8N2O Molecular Weight 232.24 g/mol Purity >95% Storage Store at 2-8°C, protect from light Solubility (reference) Soluble in DMSO, DMF, methanol Stability Light-sensitive; avoid direct strong light Degree of Unsaturation (DBE) 13.0 UV Absorption UV-absorbing Structural Features Aromatic ring present CAS Registry Year (est.) 1966 Nitrogen Atoms 2
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