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| Product Name:Vitamin B12 CAS:68-19-9 EINECS NO.:200-680-0 MF: C63H88CoN14O14P 1.Packing Detail:25kg/drum (25kg net weight,28kg gross weight; Packed in a cardboard-drum with two plastic-bags inside; Drum Size: 510mm high, 350mm diameter) or 1kg/bag (1kg net weight, 1.2kg gross weight, packed in an aluminum foil bag; Outer: paper carton; Inner: double-layer PE) or as per your request. 2.Delivery time: 3~5 days after payment 3.Storage: Stored in a cool & dry well closed container, keep away from moisture and strong light,high temperature. 4.Shelf life: Two years when properly stored. 5.Delivery: By UPS/DHL/TNT/EMS or by Air/ Sea as per Qty or as your requirements. ITEM SPECIFICATION RESULTS De Identification Positive Positive Ratio absorbance A361nm/A278nm:1.70-1.90 A361nm/A550nm:3.15-3.40 1.86 3.25 Pseudo cyanocobalamin Complies Complies Loss on drying ≤12.0% 2.6% Assay on dried 96%-100.5% 97.8% Bacteria ≤100cfu/g 100cfu/g Mould yeasts ≤100cfu/g No found E coli No found No found Limit of residual solvents Acetone≤0.5% 0.09% Conclusion: The product complies with USP32 standard |
