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2926.30.20.00/Fenproporex Precursor Base (4-Cyano-2-Dimethylamino-4,4-Diphenylbutane)/Mexico

Fenproporex Precursor Base (4-Cyano-2-Dimethylamino-4,4-Diphenylbutane) from Mexico

4-Cyano-2-dimethylamino-4,4-diphenylbutane serving dual role as precursor for both fenproporex (appetite suppressant) and methadone production. Tariffed under HTS 2926.30.2000 for its explicit chemical identification as a nitrile-function methadone intermediate. Qualifies under Chapter 29 as a pure organic compound used in hormone-related pharmaceutical synthesis.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Dual end-use requires specifying primary application in entry summary to align with tariff intent

• Include stabilizer analysis to ensure additions comply with Chapter Note 1(g) for identification/safety

Fenproporex Precursor Base (4-Cyano-2-Dimethylamino-4,4-Diphenylbutane) from Mexico — Import Duty Rate | HTS 2926.30.20.00