Pharmaceutical Grade L-Malic Acid USP from Mexico
USP-grade L-malic acid meeting pharmacopeia standards for drug formulations and buffering. Classifies under HTS 2918.19.60.00 as pure, chemically defined malic acid enantiomer with required carboxylic/alcohol functions.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6096%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
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 USP/NF certificate of analysis and DMF if used in drug manufacturing
• Comply with FDA import alerts for pharma chemicals; maintain strict impurity profiles
• Document as 'reference standard' if for analytical purposes to facilitate release