Norbornane Carboxylic Acid from Mexico
Norbornane carboxylic acid is a bicyclic saturated acid used in polymer synthesis and fragrances. Falls under HTS 2916.20.50.00 as 'other' cyclanic monocarboxylic acids, distinct from aromatic or unsaturated types.
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
• Certify bicyclic structure to distinguish from acyclic acids; provide end-use statement for polymer vs research; watch for bridgehead isomer misclassification