Mecobalamin Crystals from China
Mecobalamin (methylcobalamin), a coenzyme form of Vitamin B12 with full B12 activity, supplied as pure crystals for pharmaceutical use. Falls under HTS 2936.26.00.00 as a Vitamin B12 derivative used primarily as a vitamin, chemically defined and unmixed. Commonly used in nerve health supplements and injections.
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
• Provide stability data showing mecobalamin sensitivity to light/moisture; FDA prior notice required 72 hours before arrival; verify EP/JP pharmacopeia compliance for EU-sourced material