2916.34.25.00/Phenylacetic Acid USP Grade/Mexico

Phenylacetic Acid USP Grade from Mexico

High-purity phenylacetic acid meeting United States Pharmacopeia (USP) standards, used primarily as an intermediate in pharmaceutical synthesis for antibiotics like penicillin derivatives. Classified under HTS 2916.34.25.00 as a product described in additional U.S. note 3 to section VI, which covers specific chemical substances subject to quota restrictions. Its aromatic monocarboxylic acid structure with the formula C6H5CH2COOH fits the heading for phenylacetic acid and its salts.

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
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Import Tips

• Verify inclusion in additional U.S. note 3 to section VI for quota eligibility; obtain import license from DEA due to List I chemical status

• Provide USP certificate of analysis and batch purity documentation to confirm compliance with pharmaceutical standards

• Avoid misclassification as general phenylacetic acid (2916.34.10); check for stabilizer additions that could shift to other subheadings