High-Purity 5-Benzoyl-4-Hydroxy-2-Methoxybenzenesulfonic Acid (99%+) from China
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 — China → United States
37.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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