4-Ethylguaiacol 99%+ USP Grade from Canada
Ultra-pure 4-Ethylguaiacol meeting USP standards for pharmaceutical intermediate use, remaining a separate chemically defined compound. HTS 2909.50.10.00 classification based on chemical identity despite high purity specs. Critical for synthesis of advanced aroma chemicals.
Duty Rate — Canada → United States
15.5%
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 and heavy metals/impurities test results for FDA/CBP review
• Declare 'not for direct human consumption' to avoid pharmaceutical Chapter 30 scrutiny