Gamma-Butyrolactone (GBL) from Japan
Gamma-butyrolactone is a five-membered lactone ring heterocyclic with oxygen hetero-atom, aromatic under HTS 2932.99.70.00. Used as solvent and precursor to GHB.
Duty Rate — Japan → United States
21%
Rate breakdown
9903.04.628.5%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
• DEA List I chemical; requires import permit and advance notification
• End-use statement mandatory to prevent diversion to controlled substances
• Include stabilizer identification if present