Perhydrochrysene Carboxylic Acid from Mexico
Perhydrochrysene carboxylic acid is a fully saturated tetracyclic acid used in steroid synthesis analogs. HTS 2916.20.50.00 includes complex cyclanic systems as 'other'.
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
• Steroid analog import license may be required; extensive structural characterization needed; controlled substance watch list potential