(R)-α-Amino-1,4-Cyclohexadiene-1-Acetic Acid from Japan
(R)-α-Amino-1,4-cyclohexadiene-1-acetic acid is a chiral amino acid derivative explicitly named in HTS 2922.49.60.00, featuring amino and carboxylic acid oxygen functions. Used primarily in synthesis of enantiopure pharmaceuticals and fine chemicals. Classified here as an amino-acid other than those with multiple oxygen functions.
Duty Rate — Japan → United States
12.5%
Rate breakdown
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
• Provide stereochemical analysis (chiral HPLC) to confirm (R)-enantiomer identity matching the tariff description
• Include REACH/ TSCA registration docs for US import compliance as a research chemical
• Check for salt forms; classify with the acid per chapter note 3(C)(1)