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QINGDAO SUN TECH INDUSTRIES & TRADING CO., LTDVitamin B12//file1.lookchem.com/cas/reactions/2021/06/23/14281462.png
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Ms. Livia Wang
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Vitamin B12 CAS NO.68-19-9

Min.Order Quantity:
1 Kilogram
Purity:
96.0-100.5%
Port:
China Port
Payment Terms:
L/C,T/T,MoneyGram

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Product Details

Keywords

  • Vitamin B12
  • VB12
  • Cyanocobalamin

Quick Details

  • ProName: Vitamin B12
  • CasNo: 68-19-9
  • Molecular Formula: C63H88CoN14O14P
  • Appearance: Dark red crystalline powder or dark re...
  • Application: Vitamin B12 , also called cobalt amine...
  • DeliveryTime: 7 days after receipt of 30% T/T.
  • PackAge: 25kg net weight in cardboard drum or a...
  • Port: China Port
  • ProductionCapacity: 400 Metric Ton/Month
  • Purity: 96.0-100.5%
  • Storage: keep in a dry, cool and ventilated pla...
  • Transportation: by sea, by air, by train.
  • LimitNum: 1 Kilogram

Superiority

vitamin b12

cyano-5,6-dimethylbenzimidazole-cobalamin; cyanocobalamin; vb12; 5,6-dimethyl-1-(3-o-phosphono-alpha-d-ribofuranosyl)-1h-benzimidazolmonoes

cas no. 68-19-9

specification:usp/bp/ep

chinese gmp

cep

dmf/ctd format

Details

items standard

characteristics dark red crystalline powder or dark red crystals

identification a(uv) absorption maxima at 278nm、361nm and from 547nm to 559nm

ratio absorbances a361/a278nm 1.70-1.90

a361/a550nm 3.15-3.40

identification b(tlc) conforms to standard

identification c(chemistry) positive

identification d(chemistry) positive

pseudo ayanocobalamin complies

related substances(hplc) ≤3.0%

loss on drying ≤12.0%

assay (on dry basis)(uv) 96.0-100.5%

residue solvent(gc)

acetone ≤0.5%

total plant count(plant culture) ≤1000cfu/g

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