Pharmaceutical Grade Thioglycolic Acid USP from Mexico
Ultra-pure thioglycolic acid meeting USP standards for pharmaceutical intermediates, classified under HTS 2930.90.4910. Qualifies as chemically defined organo-sulfur acid per Chapter 29 scope.
Duty Rate — Mexico → United States
4.2%
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
• Submit Drug Master File (DMF) and USP certificate; comply with FDA import alert 99-30
• Endotoxin and heavy metals testing required for pharma grade; maintain <10ppm lead
• Segregate from cosmetic shipments to avoid contamination cross-alerts