Vitamin B12 Hydroxocobalamin

Hydroxocobalamin (CAS 13422-51-0), also known as Vitamin B-12b, is a naturally occurring cobalamin form with a hydroxyl ligand replacing the common cyano group.

Where is Vitamin B12 Hydroxocobalamin used?

• Pharmaceuticals: active ingredient and conversion intermediate in injectable formulations for deficiency and cyanide poisoning
• Nutraceuticals: tablet, capsule and sublingual formats for B12 repletion
• Biotech: biosynthetic precursor for adenosylcobalamin and methylcobalamin production
• Animal nutrition: premixes and feed additives supporting metabolic function in livestock and companion animals
• It is the predominant cobalamin form found in food sources.

Good to know: Its superior retention time over cyanocobalamin supports clinical dosing protocols. Pharmaceutical-grade material meets USP, BP and Ph. Eur. specifications.

Commercial specifications

• Anhydrous and hydrated forms
• Bulk quantities for API manufacturing; smaller pack sizes for research and nutraceutical applications