British Pharmacopoeia (BP) Assay Standard

Vitamin B12, α-(5,6-Dimethylbenzimidazolyl)cyanocobamide, CN-Cbl, Cyanocob(III)alamin, Cyanocobalamin
Empirical Formula (Hill Notation):
CAS Number:
Molecular Weight:
Beilstein/REAXYS Number:
EC Number:
Pricing and availability is not currently available.


pharmaceutical primary standard

mfr. no.



light red



storage temp.


SMILES string




InChI key


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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. Cyanocobalamin is a water soluble vitamin, which plays an important role in animal and plant metabolism.


Cyanocobalamin may be used as an analytical reference standard for the quantification of the analyte in neutraceutical products and elemental diet using high-performance liquid chromatography technique.

Other Notes

Sales restrictions may apply.


NONH for all modes of transport

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
Ultramicrodetermination of cyanocobalamin in elemental diet by solid-phase extraction and high-performance liquid chromatography with visible detection
Iwase H
Journal of Chromatography A, 590(2), 359-363 (1992)
Quantitative simultaneous estimation of water-soluble vitamins, Riboflavin, Pyridoxine, Cyanocobalamin and Folic Acid in neutraceutical products by HPLC
Perveen S, et al.
The Open Analytical Chemistry Journal, 3, 1-5 (2009)
Eliseu Verly et al.
PloS one, 9(11), e111619-e111619 (2014-11-05)
A reduction in homocysteine concentration due to the use of supplemental folic acid is well recognized, although evidence of the same effect for natural folate sources, such as fruits and vegetables (FV), is lacking. The traditional statistical analysis approaches do...
Marzia Dolcino et al.
PloS one, 9(5), e97571-e97571 (2014-05-17)
Regular intravenous immunoglobulin treatment is used to replace antibody deficiency in primary immunodeficiency diseases; however the therapeutic effect seems to be related not only to antibody replacement but also to an active role in the modulation of the immune response....
David Preiss et al.
The lancet. Diabetes & endocrinology, 2(2), 116-124 (2014-03-14)
Metformin reduces cardiovascular risk in patients with type 2 diabetes seemingly independent of lowering blood glucose concentration. We assessed the cardiovascular effects of metformin in individuals without type 2 diabetes. We did a single-centre, double-blind, placebo-controlled trial at the Glasgow...

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