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2922.31.00.00/Methadone Mesylate/Mexico

Methadone Mesylate from Mexico

Methadone mesylate is a methanesulfonic acid salt of methadone, used in liquid formulations for pain relief and substitution therapy. HTS 2922.31.00.00 applies via chapter note (C)(1) for inorganic/organic salts classified with the base organic compound. Ensures precedence for oxygen-function amino-ketones.

Duty Rate — Mexico → United States

10%

Rate breakdown

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

• Validate salt stoichiometry in COA; adhere to USP monographs; common issue: temperature-controlled shipping failures for hygroscopic salts

Methadone Mesylate from Mexico — Import Duty Rate | HTS 2922.31.00.00