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Home/Compounds/API/Cobamamide
C72H100CoN18O17P
1579.6 g/mol
API

Coenzyme B12

CAS13870-90-1
Category
API
Compound Class
Organometallic
Primary Use
Pharmaceutical Raw Material

Coenzyme B12, also known as adenosylcobalamin, is one of the biologically active forms of vitamin B12. It functions as an essential cofactor in enzymatic reactions, particularly in the metabolism of amino acids and fatty acids.

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

StrongStructure SimilarSimilarity 0.95

50-Carboxycyanocobalamin

CAS26264-28-8

pharmaceutical raw material

StrongStructure SimilarSimilarity 0.95

Cyancobalamin-b-carboxylic Acid

CAS38218-77-8

pharmaceutical raw material

ReferenceSame Category

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CAS138729-47-2

pharmaceutical raw material

ReferenceSame Category

Pantoprazole sodium

CAS138786-67-1

pharmaceutical raw material

ReferenceSame Category

Ibandronate sodium

CAS138844-81-2

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ReferenceSame Category

Brinzolamide

CAS138890-62-7

pharmaceutical raw material

Referencestereoisomer of

Hydroxocobalamin sulfate

CAS167223-03-2

pharmaceutical raw material

Referencestereoisomer of

Hydroxocobalamin acetate

CAS22465-48-1

pharmaceutical raw material

Customs Tariff Classification

The international HS code for Coenzyme B12 (CAS 13870-90-1) is 2936.26.

HS code (international, 6-digit)

2936.26

EU CN code (8-digit)

2936 26 00

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

(2S,3S,4R,5R)-2-(6-aminopurin-9-yl)-5-methanidyloxolane-3,4-diol;cobalt(3+);[(2R,3S,4R,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

InChIKey

OAJLVMGLJZXSGX-SLAFOUTOSA-L

SMILES

CC1=CC2=C(C=C1C)N(C=N2)[C@@H]3[C@@H]([C@@H]([C@H](O3)CO)OP(=O)([O-])O[C@H](C)CNC(=O)CC[C@@]\4([C@H]([C@@H]5[C@]6([C@@]([C@@H](C(=N6)/C(=C\7/[C@@]([C@@H](C(=N7)/C=C\8/C([C@@H](C(=N8)/C(=C4\[N-]5)/C)CCC(=O)N)(C)C)CCC(=O)N)(C)CC(=O)N)/C)CCC(=O)N)(C)CC(=O)N)C)CC(=O)N)C)O.[CH2-][C@@H]1[C@@H]([C@@H]([C@H](O1)N2C=NC3=C(N=CN=C32)N)O)O.[Co+3]

Synonyms (8)
  • 5'-Deoxyadenosylcobalamine
  • Calomide
  • Cobalamine coenzyme
  • Cobamamide
  • Vitamin B12 coenzyme
  • adenosylcobalamin
  • coenzyme B12

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