Camphoric Acid from Mexico
Camphoric acid is a cyclanic monocarboxylic acid derived from camphor, used in organic synthesis and as an intermediate for pharmaceuticals. It falls under HTS 2916.20.50.00 as a cyclanic monocarboxylic acid that is not specifically enumerated elsewhere in the subheading. Its saturated cyclic structure distinguishes it from unsaturated cyclic acids.
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
• Verify purity certificates as impurities may affect classification; ensure chemical safety data sheets (SDS) comply with HAZMAT regulations; declare exact CAS number (76-20-0) to avoid reclassification