Cyanocobalamin Succinate Complex from China
Cyanocobalamin complexed with succinic acid for enhanced stability in liquid formulations, retaining full B12 vitamin activity. Classifies under HTS 2936.26.00.00 as B12 derivative; succinate qualifies as stabilizer (Chapter Note 2(f)). Used in energy drink fortifications.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.60100%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.860%Universal product exemption (U.S. note 52(b))
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Succinic acid ≤10% w/w to qualify stabilizer exception; pH stability data required; heavy metal limits per USP <231>