vitamin b12

• Post Date:

  May 23,2019

• Expiry Date:

  Nov 19,2019

• Detailed Description:

  Cas No. :68-19-9 Quantity: 25Kilograms
  Price:2000 USD Kilograms
  Description: Dark red crystalline powder, have no smelly and tasteless;Hygroscopicity
  Identification: Positive
  Ratio Absorbances:A361nm/A278nm: 1.70-1.90
  A361nm/A550nm: 3.15-3.40
  Pseudo Cyanocobalamin Complies
  Loss on drying ≤12.0%
  Assay on dried 96.0~100.5%
  Bacteria ≤1000cfu/g
  Mould,Yeasts ≤100cfu/g
  E Coli No found
  Limit of residual solvents Acetone≤0.5%

• 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:

  Sinoright International Trade Co L.td.     [ China ]        

• Contact:

  Larisa

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  +8618041100282

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  sales.ru@sinoright.net