Phenobarbital USP from Japan
Phenobarbital is a barbituric acid derivative used primarily as an anticonvulsant and sedative medication. It falls under HTS 2933.54.00.00 as a derivative of malonylurea (barbituric acid). This classification applies to the pure chemical compound in pharmaceutical-grade form.
Duty Rate — Japan → United States
23.8%
Rate breakdown
9903.04.6211.3%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Obtain DEA import permit as phenobarbital is a Schedule IV controlled substance
• Provide certificate of analysis confirming USP purity and barbituric acid structure
• Avoid misclassification as finished dosage forms which fall under Chapter 30