China (Mainland)
Cyanocobalamin (VB12) CAS NO.68-19-9
- Min.Order: 1 Kilogram
- Payment Terms: L/C|D/P|T/T|Westem Union||Other
- Product Details
Keywords
Quick Details
- ProName: Cyanocobalamin (VB12)
- CasNo: 68-19-9
- Molecular Formula: C63H88CoN14O14P
- Appearance: Dark-red crystalline powder or crystal...
- Application: nutrition medicine,Treatment of anemia
- DeliveryTime: 10DAYS
- PackAge: 1kg/tin
- Port: SHANGHAI
- ProductionCapacity: 10 Metric Ton/Month
- Purity: 98%
- Storage: keep in cool,dry place
- Transportation: by sea,air,road
- LimitNum: 1 Kilogram
Superiority
CERTIFICATEOFANALYSIS Name:CYANOCOBALAMIN(B12)BatchNumber:C121109 BatchSize:65kgPackingSize:1kg/...
Details
CERTIFICATE OF ANALYSIS
Name: CYANOCOBALAMIN(B12) Batch Number: C121109
Batch Size: 65kg Packing Size: 1kg/TIN,5kg/tin
Certificate No.:12151 Manu Date: November 18, 2012
Date of Release:November 19, 2012 Expiry Date: November 17, 2017
ANALYSIS AS PER USP 35
| Items of analysis | Specification | Results | |
| Appearance | Dark-red crystalline powder or crystals | Conforms | |
| Identification Ratio of optical density A361/A550NM A361/A278NM TLC Chemical HPLC | 3.15-3.40 1.70-1.9 Conforms Positive The retention time of major peak of the sample solution corresponds to that of the standard solution. | 3.25 1.87 Conforms Positive Conrrespond | |
| Related substances (HPLC) | 7-β,8β-lactocyanocobalamin | ≤1.0% | 0.2% |
| 50-carboxycyanocobalamin | ≤0.5% | Not detected | |
| 34-methylcyanocobalamin | ≤2.0% | 0.6% | |
| 32-carboxycyanocobalamin | ≤1.0% | Not detected | |
| 8-Epi-cyanocobalamin | ≤1.0% | Not detected | |
| Any other unidentified inpurities | ≤0.5% | 0.2% | |
| Total impurities | ≤3.0% | 1.6% | |
| Loss on drying | ≤12.0 | 2.1% | |
| Residual solvents | Ethanol≤5000ppm | 72ppm | |
| Acetone≤5000ppm | 32ppm | ||
| Assay（HPLC） | 96.0%~102.0%(Anhydrous substance) | 98.9% | |
| Conclusion | Conform with the specifications. | ||
Conclusion: It meets the standard USP 35
QC: ZHANG Rechecher: HAO Analyst: QIAO
