Secobarbital USP from Canada
Secobarbital, a barbituric acid derivative used as a short-acting sedative-hypnotic. Falls under HTS 2933.54.00.00 as a derivative of malonylurea with the characteristic pyrimidine ring structure.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.6096.3%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
• Schedule II status requires stricter DEA import/export controls
• Include molecular structure certification confirming barbituric acid parent
• Segregate from non-controlled substances during storage and transport