Vitamins

​A.H.A is a much professional and reliable worldwide supplier of APIs, Food Ingredients, Nutritional Ingredients and chemicals in China. If you want to buy Vitamin B12 (Cyanocobalamin) CAS 68-19-9, please kindly send inquiry to us.A.H.A is a much professional and reliable worldwide supplier of APIs, Food Ingredients, Nutritional Ingredients and chemicals in China. If you want to buy Vitamin B12 (Cyanocobalamin) CAS 68-19-9, please kindly send inquiry to us.

Molecular Formula

C63H88CoN14O14P

Molecular Weight

1355.38

CAS No.:

68-19-9

Description

Vitamin B12 occurs as dark red crystals or as an amorphous or crystalline powder. In the anhydrous form, it is very hygroscopic, and when exposed to air, it may absorb about 12% of water. It is sparingly soluble in water; soluble in alcohol; and insoluble in acetone, in chloroform, and in ether.

Application

In medical and health care, Vitamin B12is mainly used to treat various VB12 deficiency diseases, such as megaloblastic anemia, anemia caused by drug poisoning, aplastic anemia and leukopenia. In feed additives, VB12 can promote the growth and development of poultry, livestock, especially young birds and young animals, and improve the utilization of feed protein.

Specification

Appearance

Dark red crystalline powder or dark red crystals

Loss on drying

≤12.0%

Assay

96.0-102.0%

Related substances

Total impurities: ≤3.0%

7β,8β-Lactocyanocobalamin: ≤1.0%

50-Carboxycyanocobalamin: ≤0.5%

34-Methylcyanocobalamin: ≤2.0%

32-Carboxycyanocobalamin: ≤0.5%

8-Epi-cyanocobalamin: ≤1.0%

Any other unidentified impurity: ≤0.5%

Acetone

≤5000ppm

Packing

1kg/tin.

Storage

Preserve in tight, light-resistant containers, and store at controlled room temperature.