| Place of Origin: | China |
|---|---|
| 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, , MoneyGram |
| Supply Ability: | 5000kg/Quarter |
| CAS: | 68-19-9 | Mf: | C63H88CoN14O14P |
|---|---|---|---|
| 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.
