Barbital (Barbitone) from Canada
Barbital, the diethyl derivative of barbituric acid, historically used as a sedative. Pure chemical form classified under HTS 2933.54.00.00 as a malonylurea derivative.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6096.3%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Commonly imported as reference standard; specify analytical use
• Small quantities typically exempt from some documentation
• Include CAS number (57-44-3) on commercial invoice