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Merck
CN

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

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About This Item

Empirical Formula (Hill Notation):
C63H88CoN14O14P
CAS Number:
68-19-9
Molecular Weight:
1355.37
NACRES:
NA.24
UNSPSC Code:
41116107
MDL number:
MFCD00151092
Beilstein/REAXYS Number:
4122889

Key Documents

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Product Name

Cyanocobalamin (crystallline), United States Pharmacopeia (USP) Reference Standard

InChI key

RMRCNWBMXRMIRW-QJRSUKKJSA-L

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

grade

pharmaceutical primary standard

API family

cyanocobalamin

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

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Related Categories

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

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.

Other Notes

Sales restrictions may apply.

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

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

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