CYANOCOBALAMIN
Cyanocobalamin; Vitamine B12
CYANOCOBALAMIN is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.
Regulatory evidence by market
No rule for this ingredient has been imported for any of the 13 markets tracked here.
That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.
Chemical identity and properties
Vitamin B12
vitamin B12 is a metabolite found in or produced by Escherichia coli (strain K12, MG1655). — E. coli Metabolome Database (ECMDB)
- IUPAC name
- cobalt(3+);[(2R,3S,5S)-5-(5,6-dimethylbenzimidazol-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl] [(2R)-1-[3-[(1R,2R,3R,4Z,7S,9Z,12S,13S,14Z,17S,18S,19R)-2,13,18-tris(2-amino-2-oxoethyl)-7,12,17-tris(3-amino-3-oxopropyl)-3,5,8,8,13,15,18,19-octamethyl-2,7,12,17-tetrahydro-1H-corrin-21-id-3-yl]propanoylamino]propan-2-yl] phosphate;cyanide
- Molecular formula
- C63H88CoN14O14P
- Molecular weight
- 1355.4 g/mol
- Exact mass
- 1354.567399 Da
- Topological polar surface area
- 476.0 Ų
- Hydrogen-bond donors
- 9
- Hydrogen-bond acceptors
- 21
- Covalent units
- 3
- Defined stereocentres
- 13
Also known as
11 more reported names
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.
Inventory details for CYANOCOBALAMIN
INCI name
CYANOCOBALAMIN
INN name
cyanocobalamin
Ph. Eur. name
cyanocobalaminum
Description
Cyanocobalamin; Vitamine B12
Record provenance
- Inventory reference
- 33091
- Imported identity
- CYANOCOBALAMIN
- Source update
- 15/10/2010
Annex records for CYANOCOBALAMIN
Key data
Official EU ingredient-name evidence
The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.
Related inventory evidence
Ingredients with overlapping formulation functions
Additional official and scientific sources
11 external databases to check this identity in
Each link searches that source for this identity. What each source is, and its legal weight
How CYANOCOBALAMIN appears in the CosIng inventory
The CosIng inventory lists CYANOCOBALAMIN as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.
CYANOCOBALAMIN is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.
Frequently asked questions
Source note for CYANOCOBALAMIN
This page reproduces the CosIng inventory entry for CYANOCOBALAMIN from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.
Use this inventory page to research CYANOCOBALAMIN and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.
Tools & next steps
Check your formula
Scan a full INCI list to detect CYANOCOBALAMIN and any linked EU annex restrictions or allergen flags.
INCI CheckerSearch similar ingredients
Find other inventory ingredients and annex entries related to CYANOCOBALAMIN, its identifiers or nearby name variants.
Search