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Letrozole

Inquiry
  Post Date: Dec 24,2014
  Expiry Date: Jun 22,2015
  Detailed Description: Cas No. :112809-51-5 Product Name: Letrozole (Femara)
(daisy at bioproco dot com)
CAS: 112809-51-5
Purity: 99%
Appearance: white crystalline powder
M.F.: C17H11N5
M.W: 285.3

Specifications:
Appearance: White or off-white crystaline powder
Solubility: Soluble in Chloroform; Soluble in ethanol if heated
ldentification:
Maximum absorption in wavelength of 240 nm
Minimum absorption in wavelength of 215 nm
Infrared spectrum should be in accordance the dominant peak of contrast
Melting point: 182°C ~ 184°C
Related substances: NMT 0.5%
Single impurity: NMT 0.3%
Loss on drying: NMT 1.0%
Assay: NLT98.0%
Conclusion: Conforms with standard in-house for export

  CAS Registry Number:

112809-51-5

  Synonyms: ;4,4'-(1h-1,2,4-Triazol-1-Ylmethylene)Bisbenzonitrile;Lelrozol;4,4'-(1h-1,2,4-Triazol-1-Ylmethylene) Bis-Benzonitrile;Femara;Letrozol;Letrazole;
  Molecular Formula: C17H11N5
  Molecular Weight: 285.31
  Molecular Structure: 112809-51-5 Letrozole

  Company: Biopro Chemicals Co., Ltd     [ China ]        
  Contact: daisy
  Tel: 86-21-30696096
  Fax: 86-21-30697096
  Email: daisy@bioproco.com
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