</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
2933.54.00.00/Phenobarbital USP/Japan

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

15%

Rate breakdown

9903.04.6211.3%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% 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)
Calculate with your customs valueVerify classification with AI

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

Phenobarbital USP from Japan — Import Duty Rate | HTS 2933.54.00.00