CYANOCOBALAMIN (VITAMIN B12) 99.0% USP EP CHINA SUPPLIER 1

CYANOCOBALAMIN (VITAMIN B12) 99.0% USP EP CHINA SUPPLIER 2

CYANOCOBALAMIN (VITAMIN B12) 99.0% USP EP CHINA SUPPLIER 3

CYANOCOBALAMIN (VITAMIN B12) 99.0% USP EP CHINA SUPPLIER 4

CYANOCOBALAMIN (VITAMIN B12) 99.0% USP EP CHINA SUPPLIER 5

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Cyanocobalamin (Vitamin B12) 99.0% 68-19-9

Cyanocobalamin (Vitamin B12) 99.0% USP EP Standard, Vitamin B12, Vitamins, CAS#68-19-9

Synonym: Vitamin B12
Standard: USP, EP
CAS#: 68-19-9
Packaging: Net 1kg/tin or 100g/bag, 6kg per cartion
Shelf Life: 5 years
Country of Origin: China

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Description

Cyanocobalamin is a kind of Vitamin B12. It is also the starting raw material of Mecobalamin (another kind of Vitamin B12).

Greenhai Nutritionals supplys Cyanocobalamin (Vitamin B12) 99.0% USP EP in 1kg/tin package or 100g/bag with at least 4 year shelf life. 6 kg per cartion.

Data Sheet

Items	Specification
Appearance	Dark red, crystalline powder or dark red crystals
Identification A	UV: Absorption maxima at 278nm, 361nm and 547-559nm.
Identification A	A_361nm/A_278nm: 1.70~1.90 A_361nm/A_547-559nm: 3.15-3.45
Identification B	UHPLC: The principal peak in the chromatogram obtained with the test solution is similar in retention time and size to the principal peak in the chromatogram obtained with reference solution (c)
Loss on drying	≤ 10.0%
Assay	97.0~102.0%
Total Impurities	≤ 3.0%
7β, 8β-Lactone-cyanocobalamin	≤ 0.7%
50-Carboxycyanocobalamin	≤ 0.5%
34-Methylcyanocobalamin	≤ 1.5%
32-Carboxycyanocobalamin	≤ 0.5%
8-Epi-cyanocobalamin	≤ 0.5%
Impurity F	≤ 0.5%
Unspecified impurities	≤ 0.2%
Acetone	≤ 5000ppm
Total Aerobic Microbial Count	≤ 1000 cfu/g
Yeast and Mold	≤ 100 cfu/g

Applications

For now, Cyanocobalamin is widely used in nutritional supplement to compensate vitamin B12 deficiency in vegetarians, the elderly and people with nutrient absorption disorders.

Dosage: