4-Aminocyclohexanol (Cyclanic Amino-Alcohol) from Canada
4-Aminocyclohexanol contains both amine and alcohol functions but classifies by amine per Chapter 29 notes. HTS 2921.30.50.00 for cyclanic amine derivatives.
Duty Rate — Canada → 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
• Amine function determines classification over alcohol per chapter oxygen-function notes
• Hygroscopic; moisture content affects declared weight
• Pharma intermediate; DMF reference number accelerates FDA review