Skip to Content
Merck
All Photos(1)

Documents

95190

Sigma-Aldrich

Vitamin B12

≥98.0% (dried material)

Synonym(s):

α-(5,6-Dimethylbenzimidazolyl)cyanocobamide, CN-Cbl, Cyanocob(III)alamin, Cyanocobalamin

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C63H88CoN14O14P
CAS Number:
Molecular Weight:
1355.37
Beilstein:
4122889
EC Number:
UNSPSC Code:
12352200
PubChem Substance ID:

Assay

≥98.0% (dried material)

loss

≤2% loss on drying

absorbance ratio

A361/278 nm 1.85 ±0.05

suitability

passes test for foreign pigments

storage temp.

2-8°C

SMILES string

C/C(C1=N[C@]([C@]([C@H](CC(N)=O)[C@@]/2(C)CCC(NC[C@@H](OP([O-])(O[C@H]3[C@@H](O)[C@@H](N4C=[N]5C6=C4C=C(C)C(C)=C6)O[C@@H]3CO)=O)C)=O)([H])N([Co+]5C#N)C2=C(C)/C([C@@H](CCC(N)=O)C/7(C)C)=NC7=C/8)(C)[C@@](C)(CC(N)=O)[C@@H]1CCC(N)=O)=C9N=C8[C@@H](CCC(N)=O)[C@

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;;+2/p-2/t31-,34-,35-,36-,37+,41-,52-,53-,56-,57?,59-,60+,61+,62+;;/m1../s1

InChI key

RMRCNWBMXRMIRW-QJRSUKKJSA-L

Looking for similar products? Visit Product Comparison Guide

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Other Notes

Review

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

S. Fukui et al.
Antibiotics, Vitamins and Hormones, 101-101 (1977)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service