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VITAMIN B12 METHYLCOBALAMIN - DFI-658872

Published: 08/05/2019

Description

Country of ManufactureChina
DescriptionMecobalamin occurs as dark red crystals or crystalline powder
CAS No.13422-55-4
FormulaC63H91CoN14O14P
AppearanceDark red crystals or crystalline powder
Shelf life36 months
Storagestore in air-tight, light-resistant containers
UsageFore the enrichment of food products, For solid multivitamin and mono vitamin preparations, For the production of health products.

Specification

Molecular Mass(Relative)1344.38
Identification(1)UV:Compare the spectrum with the reference spectrum, Both spectra exhibit similar intensities of absorption at the same wavelenghts.
Identification(2)Cobalt:Meets JP requirement
Purity(1)Clarity and colour of solution:the solution is clear and red
Purity(Related Substance)Each area of the peaks other than mecobalamin is not larger than 0.5 %.
Water(0.1g direct titration)<=11.5%
Acetone Residual<=5000 ppm
Assay98.5~101.0%
SolubilityIt is sparingly souluble in water, slightly soluble in ethnol (99.5), and practically insoluble in acetonitrile
StabilityFairy stable in air-tight, light-resistant containers.
Related SubstancesThe total area of the peaks other than mecobalamin is not larger than 2.0%.

Microbiological

Total plate count<=1000 cfu/g
Moulds<= 100 cfu/g
Yeasts<= 100 cfu/g
Escherichia ColiNegative

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