Pharmaceutical Grade Barbituric Acid Powder from Mexico
High-purity barbituric acid powder (≥99%) manufactured specifically for use in API synthesis of barbiturate sedatives and anticonvulsants. Meets USP/EP pharmacopeia standards and is classified under HTS 2933.52.1000 as the pure malonylurea compound. Supplied in bulk for pharmaceutical manufacturing.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.60100%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
• Require Certificate of Analysis (CoA) verifying pharmacopeia compliance and absence of heavy metals
• Verify importer has appropriate FDA registration for handling pharmaceutical intermediates
• Include stability data for transport conditions to prevent degradation during shipping