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
9903.03.0110%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 NIST-traceable certificate; declare as 'ACS Reagent Grade'; small package exemption for <100g lab samples