Pharma Reference Standard; Pharmaceutical/API Drug Impurities/Metabolites
API
Letrozole
CAS Number
2170106-13-3
HS Code
29339900
Molecular formula
C₁₇H₁₅N₅O₂
Molecular Weight
321.34
Synonyms
Letrozole di-Amide
Appearance
White to off white solid
Storage
Keep container tightly closed in a dry and well-ventilated place
Applications
Letrozole di-Amide is a hydrolysis impurity of Letrozole (L330100) which is a nonsteroidal aromatase inhibitor structurally related to Fadrozole and an antineoplastic.