Fenproporex Acetate from Canada
Fenproporex acetate is the acetic acid salt of this controlled INN nitrile, classified in HTS 2926.30.10.00. Used as a volatile form for GC-MS standards in toxicology labs. Its acetate improves handling in non-aqueous environments.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.60100%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
• Specify acetate content by titration in CoA
• Avoid aqueous solutions exceeding chapter note (d) limits
• File EEI for shipments >$2500 value