Ethyl Gallate Reference Standard from Mexico
Ethyl ester of gallic acid as analytical reference standard (CAS 831-61-8) for HPLC calibration. Classifies HTS 2918.29.30.00 per note 3(B) ethyl esters follow parent acid heading. Pure chemically defined phenolic ester.
Duty Rate — Mexico → United States
11%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include NIST-traceable certificate; declare as 'ACS Reagent Grade'; small package exemption for <100g lab samples