D-Phenylalaninol from Mexico
D-Phenylalaninol is the amino-alcohol reduction product of phenylalanine, classified under HTS 2922.49.37.00 as oxygen-function amino-compound (alcohol oxygen). Retains amino-acid carbon skeleton recognition. Used in chiral ligand synthesis.
Duty Rate — Mexico → United States
6.5%
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
• Chiral HPLC confirming D-enantiomer; optical rotation data required
• Classify based on principal oxygen-function amino characteristic