Pantolactone from China
Pantolactone, a five-membered lactone used in pantothenic acid (Vitamin B5) synthesis, classified under HTS 2932.20.50.50 for other oxygen-heterocycle lactones. Essential intermediate for vitamin production.
Duty Rate — China → United States
3.7%
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
• USP/NF reference standards documentation for pharmaceutical intermediates
• Chiral purity specification (D-pantolactone vs racemic) affects classification consistency
• End-use declaration prevents classification as finished vitamin under 2936