Changzhou ComWin in China distribute Cyanocobalamin (Vitamin B12) to many countries worldwide over 15 years. It is produced by the largest VB12 GMP manufacturer in China.

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Cyanocobalamin (Vitamin B12) CAS NO 68-19-9

Product Details

The Best quality Cyanocobalamin (Vitamin B12) from China

why choise Comwin?

*This product Have GMP, CEP , DMF

*The total impurities is contol to less than1.0%

* Test standard:EP9.0

*Character: dark red crystalline powder or dard red crystals

* Provide different pack size: 1000g/tin, 500g/tin ,100g/tin

*We can provide cold-chain air shipment service for our customer, and put temperature date-logger to record the shipment.

What ComWin do for our customer?

* All the suppliers/products we chosed past ComWin strict audit.

* Accompany the client to audit the factory.

* Provide the detailed packing picturer.

* Sending shipping advice to customer 2-3 days before shipment and tracking the cargo until customer receive the cargo.

CYANOCOBALAMIN

Chemical Name:	Cyano-5,6-dimethylbenzimidazole-cobalamin; Vitamin B12
CAS Number	68-19-9
Molecular Formula	C₆₃H₈₈CoN₁₄O₁₄P
Molecular Weight	1355.38
Molecular Structure
Package	0.1kg/tin
Storage	Store in a cool, dry place, away from direct heat and light.

Items	Specification
Appearance	Dark red crystalline powder or dark red crystals.
Identification A	UV: A_361nm/A_{278 nm}:1.70～1.90 A_361nm/A_547-559nm: 3.15～3.45
Identification B	TLC: Meets Ph.Eur.monograph requirements
Loss on drying	≤10.0%
Assay	97.0%-102.0%
Related Substances	Total impurities ≤3.0%
Residual Solvent	Acetone≤5000ppm
Total Plate Count	≤1000cfu/g
Yeasts and Molds	≤100cfu/g
Standard	EP9.0