Hydroxocobalamin Powder
Hydroxocobalamin, also known as Vitamin B12a or by its brand name Cyanokit, is available in four distinct forms:
- Hydroxocobalamin Acetate
- Hydroxocobalamin chloride
- Hydroxocobalamin sulfate
- Hydroxocobalamin Base
The active ingredient of hydroxocobalamin injection is hydroxocobalamin acetate, hydroxocobalamin chloride, or hydroxocobalamin sulfate.

Advantages of Hydroxocobalamin Powder Provided by Highassay

With food-grade and pharmaceutical-grade products.

Reaching 98%.

In line with GMP specifications.

Pharmaceutical grade meets BP/EP/USP/CP index requirements and can be further processed into injections.

Can be processed into the desired tablets as required.

The price is always the lowest compared to similar products on the market.
Hydroxocobalamin Acetate
- Molecular formula: C64H93CoN13O17P
- CAS NO.: 22465-48-1
- Appearance: dark red, crystalline powder or dark red crystals, very hygroscopic.
- Solubility: It dissolves easily in water. When drying, there might be a little breakdown.
- Storage: In an airtight container protected from light, at a temperature of 2 °C to 8 °C.
- Highassay provides BP/EP grade powder with standardized packaging options: 1 kg/tin, 500 g/tin, 100 g/tin, and 50 g/tin.


Hydroxocobalamin Chloride
- Molecular formula: C62H90ClCoN13O15P
- CAS NO.: 58288-50-9
- Hydroxocobalamin chloride is a dark red powder or crystal and absorbs moisture easily.
- Solubility: It dissolves easily in water.
- When drying, there might be a little breakdown.
- Storage: In an airtight container protected from light, at a temperature of 2 °C to 8 °C.
- Highassay provides BP/EP grade material with standardized packaging options: 1KG/tin, 500g/tin, 100g/tin, 50g/tin.
Hydroxocobalamin Sulfate
- Molecular formula: C124H180Co2N26O34P2S
- Hydroxocobalamin sulfate is a dark red powder or crystal and absorbs moisture easily.
- Solubility: soluble in water. Some decomposition may occur on drying
- Storage: In an airtight container protected from light, at a temperature of 2 °C to 8 °C.
- Highassay provides BP/EP grade powder with standardized packaging options: 1KG/tin, 500g/tin, 100g/tin, 50g/tin


Hydroxocobalamin Base
Molecular formula: C62H89CoN13O15P
CAS NO.: 13422-51-0
Highassay provides USP grade powder standardized packaging options: 1KG/tin, 500g/tin, 100g/tin, 50g/tin.
Product Name | Hydroxocobalamin powder |
CAS NO. | 13422-51-0 |
Characters | Dark red crystals or non-crystalline powder |
Identification | A: IR B: UV C: HPLC |
Hydroxocobalamin(UV) | A460/A352≥0.90 |
Related substances(HPLC) | 1.0%max |
Loss on drying | 12.0% max |
Assay(on anhydrous basis) | 98.0-102.0% |
Residual solvents(GC) | Acetone: 0.5%max Ethanol: 0.5%max |
Total plate count | 1000cfu/g max |