Pharmaceutical Grade Cinnamic Acid USP from Mexico
USP-grade cinnamic acid meeting United States Pharmacopeia standards for purity and microbial limits, used as intermediate in drug synthesis. Classified under HTS 2916.39.06.00 as the pure aromatic monocarboxylic acid. Essential for APIs like cinnarizine and hydrocinnamic acid derivatives.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Include USP Certificate of Analysis and FDA Drug Master File reference number on entry documents
• Provide microbial specification certificate (<100 CFU/g total count) required for pharma intermediate classification
• Heavy metal content certification (<10 ppm) prevents classification as contaminated material