Cyanocobalamin (Cas 68-19-9)

Price Range: FOB 25-2800 USD/KG; Update:2021/11/1

1. Characteristics of Cyanocobalamin

Synonyms: Vitamin B12

Formula: C63H88CoN14O14P

Weight:   1355.39 g/mol


Package: 25KG/carton; 1kg/tin

HS Code: 2936260000

Certificate: ISO/Kosher/Halal

Specification: EP/BP/ USP/CHP

Grade: Pharmaceutical/Food/Feed grade

Type: Pure, 5%, 2%, 1%, 0.1%

Product Categories

2. Cyanocobalamin specification

Across Biotech supply USP/BP/EP/Ch.P grade cyanocobalamin, pure, 5%, 2%, 1%, 0.1%, used as the pharmaceuticals, feed, food additive.


2.1 Cyanocobalamin USP specification

Item USP41
Appearance Dark red crystals or amorphous or crystalline red powder
Identification A A361nm/A278nm: 1.70-1.90

A361nm/A550nm: 3.15-3.40

Identification B Cobalt: Meets USP requirements
Identification C HPLC: The retention time of the major peak of the sample solution corresponds to that of the standard solution.
Loss on drying ≤10.0%
Assay 97.0%-102.0%
Related substances
Total impurities ≤3.0%
7β, 8β-Lactocyanocobalamin ≤1.0%
34-Methylcyanocobalamin ≤2.0%
8-Epi-cyanocobalamin ≤1.0%
Any other unidentified impurity and 50-Carboxycyanocobalamin, 32-Carboxycyanocobalamin ≤0.5%
Acetone ≤5000ppm
Total aerobic microbial count ≤1000cfu/g
Total combined yeasts/mould count ≤100cfu/g


3. FAQs of Cyanocobalamin

3.1 What cyanocobalamin can you offer?

We supply cyanocobalamin pure(USP/BP/EP), 5%(feed grade), 2%(food grade), 1%(food/feed grade), 0.1%(food grade).


3.2 What is the carrier of cyanocobalamin 5%, 2%, 1%, and 0.1%?

Normally, for feed use, the carrier is corn starch, calcium carbonate; for food use, the carrier is Corn starch, mannitol, lactose, di-calcium phosphate.


3.3 What is the MOQ and package?

For cyanocobalamin pure, the MOQ is 1kg and the package is 1kg per tin; for other products, the MOQ is 25kg and the package is 25kg per carton.


4. Documents-Cyanocobalamin COAs


Cyanocobalamin pure COA

Cyanocobalamin 1% food grade COA

Cyanocobalamin 1% feed grade COA

Cyanocobalamin 0.1% food grade COA




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