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Rifamycin sodium salt

Inquiry
  Post Date: Aug 26,2017
  Expiry Date: Feb 22,2018
  Detailed Description: Cas No. :14897-39-3 Appearance: Red crystalline fine powder
Assay: 900 I.U.mg Min.

Identification:
1) Maximum absorption is at the wavelength of 223nm, 314nm, 445 nm.
Absorption degree ratio at 314nm and 445nm is 1.55~1.80
2) IR absorption spectrum complies with one of standard sample
3) It appears flame reaction of sodium salt

PH: 6.5-8.0
Absorption coefficient: 190-210
Rifamycin B: 0.5% max.
Rifamycin S: 2.0% max.
Other related substance: 2.0% max.
Heavy metal: 10ppm max.
Moisture: 12.0-17.0%
Bacterial endotoxins: 0.50 I.U./mg max.
Abnormal toxicity test (ATT): Complies

Package: 25kg/fibre drum

  CAS Registry Number:

14897-39-3
  Synonyms: ;Rifamycin SV sodium salt;Rifamycin SV Monosodium;rifamycin sodium;Rifamycin sodium salt;
  Molecular Formula: C37H47NNaO12
  Molecular Weight: 720.7583
  Molecular Structure: 14897-39-3 rifamycin sv sodium

  Company: Wuhan Kemi-Works Chemical Co., Ltd     [ China ]          
  Contact: Dr. Allen Zhang
  Tel: 86-27-85736489
  Fax: 86-27-85736485
  Email: sales@kemiworks.com; info@kemiworks.net
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