Place of Origin: | China |
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Brand Name: | HNB |
Certification: | ISO |
Model Number: | Vitamin B12 |
Minimum Order Quantity: | 1KG |
Price: | 3300USD/kg |
Packaging Details: | Aluminum foil bag |
Delivery Time: | Usually7-10days |
Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
Supply Ability: | 5000kg/Quarter |
CAS: | 68-19-9 | Mf: | C63H88CoN14O14P |
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MW: | 1355.365 | Specification: | 99% |
Einecs No.: | 200-680-0 | Appearance: | Red Powder |
Health Supplement 99% Vitamin B12 Powder CAS 68-19-9
Introductction:
Vitamin B12 is a water-soluble vitamin that plays a key role in maintaining proper brain and nervous system function and blood flow.
Function:
COA
Analysis Item | Specification | Result | Test Method | |
Active Ingredeints | ||||
Assay on dried basis | 96.0%-102.0% | 98.4% | UV | |
Physical Control | ||||
Identification | A | A361nm/A278nm:1.70-1.90 | 1.38 | UV |
A361nm/A550nm:3.15-3.40 | 3.30 | |||
B | Positive | Complies | Colorimetry | |
C | The retention time of major peak of the sample solution corresponds to that of the standard solution. | Complies | HPLC | |
Characteristics | Dark red crystal or crystalline Hygroscopic powder, with no smell and no taste. | Complies | Visual Method | |
Loss on Drying | ≤12.0% | 2.70% | USP(731) | |
Chemical Control | ||||
Total impurities | ≤3.0% | 1.7% | HPLC | |
7β,8β-lactocyanocobalamin | ≤1.0% | 0.4% | HPLC | |
50-carboxycyanocobalamin | ≤0.5% | 0.1% | HPLC | |
34-methylcyanocobalamin | ≤2.0% | Not detected | HPLC | |
32-carboxycyanocobalamin | ≤1.0% | 0.2% | HPLC | |
8-Epi-cyanocobalamin | ≤1.0% | 0.02% | HPLC | |
Any other unidentified impurity | ≤0.5% | 0.4% | HPLC | |
Residual solvents(Acetone) | ≤0.5% | 0.27% | In house | |
Microbiological Control | ||||
Total Plate Count | 1000cfu/g Max | Complies | USP(2021) | |
Yeast & Mold | 100cfu/g Max | Complies | USP(2021) | |
E.Coli | Negative | Negative | USP(2022) |
Competitive Advantages
1.Golden Manufactory under ISO/GMP with large stock.
2.We offer high quality products at competitive price.
3.Shortest delivery time.
4.Flexible payment terms.
5.Timely after-sale service.
6.International Authorized Third-Party Test For The Products You Demand.
7.Our products have been exported to USA, Japan, Germany, France, United Kingdom, Italy, Brazil, Canada, Russia,Turkey,South Korea,French,Thailand,Malaysia,Spain and many other countries.
FAQ
1.Can I get samples for testing?
Yes,sample can be provided,but you will need to pay the freight.