High-Purity 5-Benzoyl-4-Hydroxy-2-Methoxybenzenesulfonic Acid (99%+) from Japan
Laboratory-grade, high-purity version of the named compound for R&D in organic synthesis. Fits HTS 2914.50.10.00 as a separate chemically defined aromatic ketone with oxygen functions. Used in pharma intermediate development and analytical standards.
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
• Supply HPLC purity certificates and CAS registry if available
• Segregate from solvent-dissolved forms to avoid note (e)
• Pitfall: small quantities misclassified as retail preparations