Gamma-Butyrolactone (GBL) from Mexico
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 — Mexico → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 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