Levodopa (L-DOPA) from Japan
Levodopa, or L-DOPA, is a direct precursor and structural analogue of dopamine, functioning as a catecholamine hormone prodrug in Parkinson's treatment. It is classified in HTS 2937.90.2000 as a catecholamine derivative used primarily for its hormonal effects in the brain. Meets Chapter 29 definition for hormone structural analogues.
Duty Rate — Japan → United States
0%
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
• Provide chiral purity documentation (>99% L-enantiomer) to confirm hormonal analogue status
• Declare oxidation prevention measures in shipping manifests