1-(2-Naphthol)ethanone from Mexico
Naphthol-substituted acetophenone with ketone functionality on naphthalene-phenol system. HTS 2914.50.50.00 for complex ketone-phenols. Chemically defined per Chapter 29.
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
• Multi-ring structure requires detailed nomenclature; Distinguish from dye intermediates excluded to Chapter 32; CAS verification essential