Camphor Sulfonic Acid from Germany
Camphor-10-sulfonic acid is a chiral resolving agent derived from sulfonation of camphor (bicyclic monoterpene phenol), containing only sulfo groups. It qualifies for HTS 2908.99.1500 as a nitrosated/sulfonated derivative of phenol-alcohols used in pharmaceutical synthesis.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include optical rotation specification (+/- enantiomer); TSCA registration required for US entry
• Common issue: Pharmaceutical intermediates need end-use statement to avoid Chapter 30 scrutiny