L-Aspartic Acid 99% Technical Grade from China
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 — China → United States
137.5%
Rate breakdown
9903.04.6095.8%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
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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