China (Mainland)
Premiumsupplier 
Vitamin B12 CAS:68-19-9 CAS NO.68-19-9
- FOB Price: USD: 1.00-1.00 /Metric Ton Get Latest Price
- Min.Order: 1 Kilogram
- Payment Terms: L/C,T/T
- Available Specifications:
99%(1-5)Metric Ton99%(5-20)Metric Ton
- Product Details
Keywords
- Vitamin B12
- Cyanocobalamin
- CAS:68-19-9
Quick Details
- ProName: Vitamin B12 CAS:68-19-9
- CasNo: 68-19-9
- Molecular Formula: C63H88CoN14O14P
- Appearance: Red powder
- Application: Dietary Supplements Ingredients
- DeliveryTime: Within 2 weeks after order confirmatio...
- PackAge: 25kg/drum
- Port: Qingdao Port
- ProductionCapacity: 2000 Metric Ton/Year
- Purity: 99%
- Storage: Store in cool and dry place, away from...
- Transportation: By sea or by air
- LimitNum: 1 Kilogram
- CAS: 68-19-9
Superiority
Name: Vitamin B12
Synonyms: Cyanocobalamin
CAS:68-19-9
MF: C63H88CoN14O14P
Details
| 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) | |