High Purity Methacrylamide for Pharmaceuticals from Mexico
Pharmaceutical grade methacrylamide (>99.5% purity) used as intermediate in drug conjugate synthesis. Meets Chapter 29 (a) criteria as separate chemically defined compound, specifically under acyclic amides HTS 2924.19.11.30.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6096.3%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
• Include USP/NF compliance certificates; pharma intermediates face enhanced FDA scrutiny at entry
• GMP manufacturing documentation required for Section 301 compliance
• Segregate from general chemical shipments to maintain certified purity chain