Amobarbital USP Powder from Mexico
Amobarbital is an intermediate-acting barbiturate with pyrimidine ring, used for sedation and hypnosis, explicitly named in HTS 2933.53.00.00. Imported as USP-grade powder for tablet/capsule manufacturing. Chemically defined per Chapter 29 note 2(a).
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
• Controlled substance import permit required; track quota allocations via DEA 333 form
• Ensure ICH Q7 GMP certification for API to pass FDA border holds
• Verify no alcohol solvents remain from synthesis per Chapter 29 solvent dissolution limits