Phenobarbital Sodium Powder from Japan
The sodium salt of phenobarbital, used in injectable formulations and as an intermediate in pharmaceutical manufacturing. Classified under HTS 2933.54.00.00 as a salt of barbituric acid derivatives per Chapter 29 notes.
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
• Include salt formation documentation to justify classification under 2933.54
• Verify stability data as sodium salts may have different storage requirements
• Label clearly as 'not for retail sale' to prevent Chapter 30 reclassification