Letrozole

Synonyms: 4-[(4-cyanophenyl)-(1, 2, 4-triazol-1-yl)methyl]benzonitrile

CAS NO: 112809-51-5

Formula: C17H11N5
Molecular weight: 285.10

Appearance: White or off-white crystalline powder
Function and Usage: Letrozole is approved by the United States Food and Drug Administration (FDA) for the treatment of local or metastatic breast cancer that is hormone receptor positive or has an unknown receptor status in postmenopausal women. Side effects include signs and symptoms of hypoestrogenism. There is concern that long term use may lead to osteoporosis, which is why prescriptions of Letrozole are often accompanied by prescriptions of osteoporosis-fighting medications such as bisphosphonates

Welcome to Zhongbei Northland Bio-Chem Industry Co., Ltd a global chemical providers since 2002. We are specialized in developing, manufacturing and marketing active ingredients with high bio-activity and safety, serving the nutritional supplements and functional food ,cosmetic and pharmaceutical industries. Characteristics:Honored with the title of No. 1 Strong Foreign Trade Enterprises by Heilongjiang Provencial Government.Warehouses located in the US;Strong sourcing capability of working with over 100 manufacturers in China;GMP standard workshops for natural pigment, traditional drug extracts, chemical-synthetic , Auxiliary workshops under 13000 square metresQuality assurance system;In-house and third party laboratories;R & D laboratory with 27 technical persons.Production with 164 workersPassed through ISO9001All the products we produce and sell are of good quality and new technology.We shall bring into full play our advantages to provide excellent and all-round service for our customers by right of our integrated service capability, abiding by the principle of pursuingSincerity, Credit, Safety and Nicety.