Methsuximide from Canada
Methsuximide is N-methylphenylsuccinimide, a cyclic imide anticonvulsant for petit mal seizures. Classified under HTS 2924.29.95.00 as 'other' cyclic amide derivative. Bulk API form for tablet manufacturing.
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
• Controlled substance import license; FDA Type II DMF; stability data required