99.9% Letrozole / Femara/CAS:112809-51-5 for tumor Treatment

Details:

Company Introduction:

Onchem (China) Co.,Ltd  is a comprehensive manufacturer and 

an international distribution of chemicals 

throughout the world. Specialized in APIs, 

chemical intermediates, herbal extract and pharmaceutical raw materials. 

Product Detailed

• Best Quanlity 99% Letrozole / Femara Powder (112809-51-5) for Treatment

   

  letrozole

  1.CAS NO: 112809-51-5
  2.letrozole Content: 99%
  3.Molecular Formula: C17H11N5 letrozole
  4.Letrozole is an oral non-steroidal inhibitor for the treatment of hormonally-responsive breast cancer after surgery.
  letrozole prevents the aromatase from producing estrogens by competitive, reversible binding to the heme of its cytochrome p450 unit, the action is specific,and letrozol does not reduce production of mineralo-or corticosteroids.
   

   

  Specifications:

  Tests	Specifications	Results
  Appearance	White or off-white crystaline powder	White Crystalline powder
  Solubility	Soluble in Chloroform; Soluble in ethanol when heated	Conform
  ldentification	(1)Maximum absorption in wavelength of 240 nm Minimum absorption in wavelength of 215 nm	Conform Conform
  	(2)Infrared spectrum should be in accordance the dominant peak of contrast	In accordance with the dominant peak of contrast
  Melting points	182°C-184°C	182°C
  Related substances	≤0.5%	0.3%
  Single impurity	≤0.3%	0.2%
  Loss on drying	≤1.0%	0.8%
  [Assay]C17H11N5 (On anhydrous basis)	≥98.0%	99.2%
  Conclusion	Conforms Specifications of Enterprise Standard.

   

Factory Picture:

Delivery:

3days by EMS,FEDEX,DHL.

Welcome to Onchem (China) Co.,Ltd, and welcome to inquiry me about all our products,

we will provice the competitive price for u.

We are sincerely responsible for the "product quality" and "After Service"