Vitamin B12 Adenosylcobalamin (Coenzyme B12)

CAS Number
13870-90-1
EC Number
237-627-6

What is Vitamin B12 Adenosylcobalamin (Coenzyme B12)?

Coenzyme B12 (CAS 13870-90-1), also known as adenosylcobalamin, is the biologically active coenzyme form of vitamin B12.

Where is Vitamin B12 Adenosylcobalamin (Coenzyme B12) used?

  • Pharmaceutical and nutraceutical manufacturing: oral supplements, sublingual tablets, injectable preparations for B12 deficiency and neurological support
  • Cosmetics: anti-aging and skin-conditioning products
  • Food and beverage: fortified drinks and dietary supplements
  • Specialized clinical nutrition products specify the coenzyme form.
  • It is recognized directly by cellular enzymatic pathways.

Good to know: Unlike synthetic precursor forms, it is recognized directly by cellular enzymatic pathways. Store in light-protected packaging due to photosensitivity.

Commercial specifications

  • Bulk quantities and smaller research and development quantities

Other Names (Synonyms)

Coenzyme B12|RefChem:578390|Calomide|Cobalamine coenzyme|Vitamin B12 coenzyme|Cobalamin, Co-(5′-deoxy-5′-adenosyl)-|Cobalamin coenzyme|Vitamin B12 Adenosylcobalamin

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What are the physical properties of Vitamin B12 Adenosylcobalamin (Coenzyme B12)?

Color Red to Very Dark Red
Form Solid
Water Solubility 26g/L(24 ºC)

Which trade and regulatory codes apply to Vitamin B12 Adenosylcobalamin (Coenzyme B12)?

HS Code 2936260000
Storage Class 11 - Combustible Solids
WGK (Germany) 3
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