Cyanocobalamin Co 57
A radioactive form of vitamin B12 labeled with cobalt-57, used in the Schilling test to diagnose vitamin B12 absorption problems. It helps doctors determine why a patient may be deficient in this essential vitamin.
Molecular Weight
1353.4000 g/mol
TPSA
476.00 Ų
Mechanism of Action
Serves as an essential micronutrient cofactor in various enzymatic reactions and metabolic processes. Supplementation corrects deficiency states and supports normal physiological function.
Pharmacokinetics (PK)
Pharmacodynamics (PD)
Serves as an essential micronutrient cofactor in various enzymatic reactions and metabolic processes. Supplementation corrects deficiency states and supports normal physiological function.
2D Structure
Cite this structure
Embed this structure
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](C5[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.[C-]#N.[57Co+3]
InChI
InChI=1S/C62H90N13O14P.CN.Co/c1-29-20-39-40(21-30(29)2)75(28-70-39)57-52(84)53(41(27-76)87-57)89-90(85,86)88-31(3)26-69-49(83)18-19-59(8)37(22-46(66)80)56-62(11)61(10,25-48(68)82)36(14-17-45(65)79)51(74-62)33(5)55-60(9,24-47(67)81)34(12-15-43(63)77)38(71-55)23-42-58(6,7)35(13-16-44(64)78)50(72-42)32(4)54(59)73-56;1-2;/h20-21,23,28,31,34-37,41,52-53,56-57,76,84H,12-19,22,24-27H2,1-11H3,(H15,63,64,65,66,67,68,69,71,72,73,74,77,78,79,80,81,82,83,85,86);;/q;-1;+3/p-2/t31-,34-,35-,36-,37+,41-,52-,53-,56?,57+,59-,60+,61+,62+;;/m1../s1/i;;1-2
Molecular Formula
C63H88CoN14O14P
HBD / HBA
9 / 21
Rotatable Bonds
26
Heavy Atoms
93
No targets recorded
Target interaction data is not yet available for this drug.
No interactions recorded
Drug interaction data is not yet available for this compound.
No side effects recorded
Side effect data is not yet available for this drug.
Frequently Asked Questions
A radioactive form of vitamin B12 labeled with cobalt-57, used in the Schilling test to diagnose vitamin B12 absorption problems. It helps doctors determine why a patient may be deficient in this essential vitamin.
Serves as an essential micronutrient cofactor in various enzymatic reactions and metabolic processes. Supplementation corrects deficiency states and supports normal physiological function.
Yes, Cyanocobalamin Co 57 is an approved drug. It has reached clinical phase 4. It is classified as a Small molecule.
References & Data Sources
- ChEMBL — European Bioinformatics Institute (EBI). CHEMBL2096655. Open-access bioactivity database.
- PubChem — National Center for Biotechnology Information (NCBI). CID 122706861. Chemical information database.
Data aggregated from publicly available pharmacological databases. Last updated 2026-03-04.
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