3,4-Dihydroxyacetophenone from Mexico
Meta/para dihydroxyacetophenone used in biochemical research, featuring ketone with dual phenolic oxygens. Classifies HTS 2914.50.50.00 as other oxygen-functional ketones. Pure compound meeting Chapter 29 criteria.
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
• Laboratory chemical import requires TSCA notification; Verify no hormone activity triggering 2937; Provide batch purity analysis