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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