Folic Acid USP Powder from China
Pharmaceutical-grade folic acid (vitamin B9) powder meeting United States Pharmacopeia standards, used primarily as a vitamin supplement. Classified under HTS 2936.29.10.00 as unmixed folic acid, a synthetic vitamin derivative. Supplied in bulk for formulation into tablets or capsules.
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 Certificate of Analysis confirming purity ≥98% and USP compliance to verify classification as unmixed folic acid
• Include FDA Drug Master File or DMF reference for pharmaceutical-grade imports to expedite customs clearance
• Avoid common pitfall of mislabeling as 'folate calcium salt' which requires verification of exact chemical form