Talbutal from Canada
Talbutal, 5-allyl-5-(2-bromo-2-ethylbutyryl)barbituric acid, contains pyrimidine ring structure. Classified under 2933.52.9000 as other barbituric acid derivatives not specifically enumerated.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide structural formula verification to confirm pyrimidine ring presence
• Monitor for halogenated derivatives classification per chapter notes