L-Methamphetamine Tartrate from China
L-methamphetamine tartrate salt is classified under HTS 2939.45.00.00 as a salt of levomethamphetamine, an ephedra alkaloid derivative. This form provides pharmaceutical stability for nasal decongestant applications.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Provide pharmacopeial references (USP/NF) confirming medicinal grade specifications
• Include batch manufacturing records showing no racemization during synthesis
• Pre-clear with FDA for drug master file status if destined for approved pharmaceuticals