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CAS NO.13422-55-4
99%(1-10)Kilogram98%(1-10)Kilogram
Mecobalamin
Quick Details
Function:Food
Type:Vitamins
Place of Origin:China, China
Model Number:vitamin b12
Dosage Form:Powder
Product Name:Vitamin B12 (Cyanocobalamin) CAS No. 68-19-9
Product Name.:Methylcobalamin CAS No.13422-55-4
Stock:Availble stock at USA
Package:0.5kg or 1kg tin
Appearance:Powder
MOQ:0.5kg
Application:Food
Certificate:ISO KOSHER HALAL
Label:Neutral or Original
Supply AbilitySupply Ability
10000 Metric Ton/Metric Tons per YearPackaging & Delivery
Packaging DetailsPackage for Cyanocobalamin and Mecobalamin:
1kg or 0.5kg tin
PortAny Seaport in China
Lead Time:
| Quantity(Kilograms) | 1 - 100 | >100 |
| Est. Time(days) | 10 | To be negotiated |
Mecobalamin
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Name |
Vitamin B12 (Cyanocobalamin) |
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Test Item |
Specification |
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Appearance |
Dark red crystal or crystalline powder, with no smell and no taste; hygroscopicity. |
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Identification A |
A361nm/A278nm:1.70-1.90 |
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A361nm/A550nm:3.15-3.40 |
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Identification B |
The retention time of major peak of the sample should be consistent with the standard solution. |
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Identification C |
Positive |
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Infrared Spectrum |
Infrared spectrum of the sample should be consistent with the reforence map |
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Loss on drying |
≤12.0% |
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Assay |
96.0%~102.0% |
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7β、8β-lactocyanocobalamin |
≤1.0% |
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50-carboxyeyanocobalamin |
≤0.5% |
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34-methylcyanocobalamin |
≤2.0% |
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32-carboxyeyanocobalamin |
≤1.0% |
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8-Epi-cyanocobalamin |
≤1.0% |
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Any other unidentified |
≤0.5% |
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Total impurities |
≤3.0% |
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Total aerobic bacteria count |
≤1000cfu/g |
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Molds、Yeasts |
≤100cfu/g |
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E、coli |
Negative |
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Residual solvents |
Acetone≤0.5% |
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Name |
Methylcobalamin(Mecobalamin) |
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Characters |
Dark red crystals or crystalline powder. |
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Identification |
(1)UV : Compare the spectrum with the reference spectrum. Both spectra exhibit similar intensities of absorption at the same |
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(2)Cobalt : Meets JP requirement |
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Clarity and color of solution |
The solution is clear and red color |
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Related substances |
Each area of the peaks other than mecobalamin is not more than 0.5% of the peak area of mecobalamin |
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The total area of the peaks other than mecobalamin is not more than 2.0% |
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Water |
≤11.5% |
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Assay (Calculated on the anhydrous basis) |
98.5%-101.0% |
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Acetone |
≤5000pm |
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The total aerobic microbial count |
≤1000 cfu/g |