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2922.31.00.00/Methadone Mesylate/China

Methadone Mesylate from China

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 — China → United States

12.5%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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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 China — Import Duty Rate | HTS 2922.31.00.00