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Fenproporex Hydrochloride from Japan

Fenproporex hydrochloride is the salt form of fenproporex, a chemically defined nitrile-function organic compound used historically as an appetite suppressant. It falls under HTS 2926.30.10.00 as a specific INN compound and its salts within the nitrile-function compounds heading. This pure pharmaceutical intermediate is supplied as a white crystalline powder for research or formulation purposes.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Verify DEA scheduling as fenproporex is a controlled substance analog; obtain prior approval for import

Ensure certificate of analysis confirms purity >98% to meet chemical definition requirements

Label as 'research use only' to avoid therapeutic claims triggering FDA oversight