ACS Reagent O-Acetylsalicylic Acid from Canada
American Chemical Society reagent-grade pure o-acetylsalicylic acid for laboratory analytical standards. Falls under HTS 2918.22.1000 as a chemically defined carboxylic acid with phenol function, not a finished preparation.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6093.5%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
• Attach ACS purity certificate; label as 'for laboratory use only' to avoid medicament classification
• Ensure packaging <25kg to qualify as separate compound