cobalamin huarong cyanocobalamin yuxing Vitamin B12 China manufacturer
Service we provide:
1. before shipment, free sample for test
2. Packing as your request, with photo before shipment
3. Cargoes photo before and after loading into container
4. Fast shipment by reputed shipping line
5. Best service after shipment with emails
As a professional Vitamin B12 supplier and manufacturer, G.N.Chemicals has been supplying and exporting Vitamin B12 from China more than 10 years, please be assured to buy Vitamin B12 at G.N.Chemicals. Any inquiries and problems please feel free to send emails to us , we will reply you within 1 working day.
Vitamin B12 Specification
Items | Standards | ||
Characters | Dark red GrystaⅢ ne powder or dark red cryslal. | ||
Identification | TLC:Meets ph.Eur.monograph requirment. | ||
Loss on drying | ≤10% | ||
Assay | 97%-102% | ||
ReIated substances | Total impurities≤3.0% | ||
Residual solvent | Acetone ≤0.5% | ||
Total plate count | ≤800cfu/g | ||
E.coli | Negative |
Conclusion: Conforms to the company standard
Packaging: 1 KG/TIN ,100g/tin
Storage: Kept in dry, cool, and shaded place with original packaging, avoid moisture.
Shelf life: 24 months
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