Procyazine Technical from Mexico
Procyazine, an aromatic triazine-urea hybrid (ureine derivative), acts as a photosynthesis-inhibiting herbicide. It fits HTS 2924.21.1600 as an 'other' pesticide ureine, being a separate chemically defined compound under Chapter 29 notes. Used in cotton weed management.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6093.5%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 molecular structure certification for customs review
• Permitted odoriferous additives only for identification
• Common error: halogenated impurities trigger derivative notes