Ethosuximide from Canada
Ethosuximide is a cyclic amide derivative used as an anticonvulsant medication for absence seizures. It features a succinimide ring structure qualifying it for HTS 2924.29.95.00 as 'other' cyclic amide. Supplied as pharmaceutical API in bulk powder form.
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
• FDA DMF or CEP required for API import; declare pharmacopeial grade; ensure GMP certificate of analysis; watch DMF confidentiality