Barbituric Acid from Canada
Barbituric acid is a pyrimidine-trione cyclic amide used as intermediate for barbiturate sedatives. Classified in HTS 2924.29.95.00 as 'other' cyclic amide. Historical pharmaceutical precursor under DEA controls.
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
• DEA import permit required for List I chemical; provide legitimate medical/research use; controlled precursor declaration mandatory