Cinchonidine Sulfate from Japan
Cinchonidine sulfate is the sulfate salt of cinchonidine, a minor alkaloid from cinchona bark used in organic synthesis and as a chiral resolving agent. It qualifies under HTS 2939.20.0050 as 'other' cinchona alkaloid derivatives. Supplied as high-purity chemical intermediate.
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
• Include NMR/HPLC chromatograms verifying absence of quinine/quinidine impurities
• Label with CAS number (553-73-1 for base) and salt stoichiometry for customs verification
• Check REACH/ TSCA pre-registration for synthesis intermediates