L-Aspartic Acid 99% Technical Grade from Japan
Technical-grade L-aspartic acid with 99% purity for industrial synthesis of pharmaceuticals and agrochemicals. Falls under HTS 2922.49.49.15 as a pure, separate L-aspartic acid molecule meeting Chapter 29 criteria for oxygen-function amino-acids. Used as chiral building block in peptide and polymer production.
Duty Rate — Japan → United States
23.3%
Rate breakdown
9903.04.6210.8%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 HPLC chromatogram showing L-isomer >99% to prevent mixture classification under Chapter 27
• Declare stabilizer content if present; Chapter 29 note (f) requires it be solely for transport
• For REACH compliance in EU transshipment, pre-register as industrial chemical