Skip to Content
Merck
CN
All Photos(1)

Documents

1152011

USP

Cyanocobalamin (crystallline)

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

Vitamin B12, α-(5,6-Dimethylbenzimidazolyl)cyanocobamide, CN-Cbl, Cyanocob(III)alamin, Cyanocobalamin

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C63H88CoN14O14P
CAS Number:
68-19-9
Molecular Weight:
1355.37
Beilstein:
4122889
UNSPSC Code:
41116107
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

cyanocobalamin

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

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

Related Categories

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Cyanocobalamin (crystalline) USP reference standard suitable for use in specified USP compendial tests and assays.

Also used to prepare standard, system suitability, and standard stock solution for assay, identification, and performance test according to the given below monographs of United States Pharmacopeia (USP):
  • Cyanocobalamin Tablets
  • Cyanocobalamin Chewable Gels
  • Cyanocobalamin
  • Water-Soluble Vitamins Capsules

Other Notes

Sales restrictions may apply.

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

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

Visit the Document Library

Water-Soluble Vitamins Capsules
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 40(5), 5499-5499 (2016)
Cyanocobalamin Tablets
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 41(1), 1192-1192 (2016)
Cyanocobalamin Chewable Gels
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 44(3), 4931-4931 (2019)
Cyanocobalamin
United States Pharmacopeia and National Formulary
United States Pharmacopeia, 48(4), 1190-1190 (2020)

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