Vitamin B12

• Post Date:

  Feb 21,2014

• Expiry Date:

  Feb 21,2015

• Detailed Description:

  Cas No. :68-19-9 Quantity: 1Metric Tons
  Specs:Assay on dried: 96.0%~100.5%
  Payment Method: TT,L/C
  Appearance: Dark red crystalline powder
  Assay on dried: 96.0%~100.5%
  Ratio Absorbances: A361nm/A278nm:1.70~1.90
  Related Substances: <3.0
  loss on drying: < 12.0%
  Infrared Spectrum: Complies
  Pseudo Cyanocobalamin: Complies

• CAS Registry Number:

  68-19-9

• Synonyms:

  ;cyano-5,6-dimethylbenzimidazole-cobalamin;Cyanocobalamin;VB12;5,6-dimethyl-1-(3-o-phosphono-alpha-d-ribofuranosyl)-1h-benzimidazolmonoes;

• Molecular Formula:

  C₆₃H₈₈CoN₁₄O₁₄P

• Molecular Weight:

  1355.3652

• Molecular Structure:

  

• Safety Description:

  S24/25:;
  

• Company:

  Zhengzhou Welcom Tech. Co., Ltd     [ China ]        

• Contact:

  Frank wang

• Tel:

  0086-371-67986518

• Fax:

  0086-371-67985568

• Email:

  info@cnwelcom.com.cn