Customization: | Available |
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Powder: | Yes |
Customized: | Non-Customized |
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Vitamin B12/Cyanocobalamin/Methylcobalamin raw material powder
Product Name:Vitamin B12
Other Name:Cyanocobalamin
Purity:98%
CAS No.:68-19-9
Appearance:Dark red crystaline powder
Form:Powder
MF:C63H89CoN14O14P++++MW:1356.370
Test items
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Specifications
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Results
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Characters
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The total combined yeasts/mould count
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Complies
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Identification1
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UV: The absorption spectrum exhibits maxima at 264nm,285nm,305nm and 460nm.
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Complies
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Identification2
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HPLC:The retention time of the major peak of the sample solution corresponds to that of the reference solution.
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Complies
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Identification3
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The IR spectra of the sample is similar with the reference spectra
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Complies
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Loss on drying
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W10.0%
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9.4%
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Assay
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98.5% ~102.0%
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100.0%
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Hydroxocobalamine
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UV: A460nm/A352nmN0.90
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0.957
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Related substances
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The sum of each impurity peak area is not larger than 1.0% of the main area of the reference solution
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1.0%
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Acetone
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W0.5%
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0.004%
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The total aerobic microbial count
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W1000 cfu/g
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2.9x102cfu/g
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The total combined yeasts/mould count
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W1000 cfu/g
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10cfu/g
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