Vitamin B12

• Post Date:

  Jun 20,2016

• Expiry Date:

  Jun 20,2017

• Detailed Description:

  Cas No. :68-19-9 Quantity: 5000Metric Tons
  Specs:Vitamin B12
  Payment Method: T/T L/C
  Vitamin B12
  feed grade
  UV test or HPLC test
  
  Package: 25kg/drum
  
  Vitamin B12 feed grade specification:
  
  Test Items
  
  
  Specifications
  
  Description
  
  
  Pale red to brown powder, hygroscopicity
  
  Identification
  
  
  Have maximum absorption 361±1nm,550±2nm
  
  Grain Size
  
  
  Uniformity 250um-180um≥90%
  
  Loss on Drying
  
  
  ≤5.0%
  
  Assay(HPLC)
  
  (On C63H88C0N14O14P
  
  dried subs)
  
  
  Make quantity 90-130%
  
  Conclusion
  
  
  Conform to this article meets the provision of the GB9841-88.

• 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:

  Hebei Zhousheng Biological Technology CO., LTD         

• Contact:

  elaine

• Tel:

  0311-86556681

• Fax:

  0311-86556687

• Email:

  elaine@zsbiological.com