The tariff classification of Hydroxocobalamin Acetate (CAS-22465-48-1), imported in bulk form, from Spain. The subject product, Hydroxocobalamin Acetate (aka “Acetatocobalamin”), which you refer to as “Hydroxocobalamine Acetate,” is the acetate salt of Hydroxocobalamin (CAS-13422-51-0), which is prepared from Cyanocobalamin (Vitamin B12) . Hxdroxocobalamin Acetate is indicated for use as a vitamin.
[1] Please importantly note that only the relevant portion of the related is displayed above. You may refer to the said customs ruling for the entire ruling explanation.
[1]. https://rulings.cbp.gov/ruling/M87496