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Vitamin B12

Inquiry
  Post Date: Jul 02,2013
  Expiry Date: Dec 29,2013
  Detailed Description: Cas No. :68-19-9 Product Name:Vitamin B12
CAS:68-19-9
EINECS NO.:200-680-0
MF: C63H88CoN14O14P

1.Packing Detail:25kg/drum (25kg net weight,28kg gross weight; Packed in a cardboard-drum with two plastic-bags inside; Drum Size: 510mm high, 350mm diameter) OR 1kg/bag (1kg net weight, 1.2kg gross weight, packed in an aluminum foil bag; Outer: paper carton; Inner: double-layer PE) OR as per your request.
2.Delivery time: 3~5 days after payment
3.Storage: Stored in a cool & dry well closed container, keep away from moisture and strong light,high temperature.
4.Shelf life: Two years when properly stored.
5.Delivery: By UPS/DHL/TNT/EMS or by Air/ Sea as per Qty or as your requirements.


ITEM SPECIFICATION RESULTS
Description  Dark red crystalline powder, Have no smelly and test less; Hygroscopicity. Complies
Identification  Positive Positive
Ratio absorbance A361nm/A278nm:1.70-1.90
A361nm/A550nm:3.15-3.40 1.86
3.25
Pseudo cyanocobalamin Complies Complies
Loss on drying ≤12.0% 2.6%
Assay on dried 96%-100.5% 97.8%
Bacteria ≤100cfu/g 100cfu/g
Mould yeasts ≤100cfu/g No found 
E coli No found  No found
Limit of residual solvents   Acetone≤0.5% 0.09%
Conclusion: The product complies with USP32 standard




  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: 68-19-9 Vitamin B12
  Safety Description: S24/25:;

  Company: Hubei Maxsource Chem Co., Ltd....     [ China ]        
  Contact: Jake Young
  Tel: +86-027-83555670
  Fax: +86-027-83555670
  Email: maxsource11@yahoo.com
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