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US 11,884,695 B2Granted
Heavy vitamin B12 derivatives
AssigneeCharles Sturt University
InventorPeter Anderson
Life of this patent
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Abstract
The invention discussed in this application relates to vitamin B12-based compounds that are useful as quantitative standards, particularly for the assessment of vitamin B12 deficiency.
Claims20
A heavy vitamin B12 having a mass shift of at least +8 over unlabelled vitamin B12, wherein the heavy vitamin B12 comprises eight or nine 13C atoms and the eight or nine 13C atoms are located in the dimethylbenzimidazole moiety of the vitamin.
Dependencies are inferred from the claim text.