Chemical name: α,α,α',α'-tetramethyl-5-(1H-1,2,4-triazol-1-ylmethyl)-1,3- benzenediacetonitrile
2.Molecular formula: C17H19N5
Molecular weight: 293.37

CAS NO.: 120511-73-11
3.Quality standard:USP32
Appearance: white crystalline powder
Content: ≥ 99.5%
General introduction:Arimidex /Anastrozole is a drug used to treat breast cancer after surgery and for metastases in post-menopausal women. Anastrozole is an aromatase inhibitor, which means that it interrupts a critical step in the body's synthesis of estrogen. Some breast cancer cells require estrogen to grow, and eliminating estrogen suppresses their growth. Annual sales approx $2.2bn. The first patent expired in June 2010. Although this patent was originally set to expire in December 2009, the manufacturer was given an extension for performing much needed pediatric studies.