杭州維基體育醫藥化工有限公司
ZHEJIANG RONGDA PHARM AND CHEM CO., LTD

Product name :Letrozole
CAS NO.  112809-51-5
Synonyms: 4,4'-(1H-1,2,4-Triazol-1-ylmethylene)bisbenzonitrile
Molecular Formula : C₁₇H₁₁N₅
Molecular Weight :  285.31

Main reference specification :
Appearance :White to yellowish ,crystalline powder  

Standard : USP35

Usage : Antibreast cancer
Package : 1kg/bag; 25kg/drum