4-Ethylguaiacol 99%+ USP Grade from Mexico
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 — Mexico → United States
15.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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