Methadone Mesylate
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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If esterified with saturated acyclic acids
Salt vs ester distinction; pure salts follow base in 2922 per note (C), esters may shift earlier headings.
If in medicaments for heroin dependence treatment
Finished hormonal or opioid meds go to 3003/3004; bulk APIs remain Chapter 29 chemicals.
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Import Tips & Compliance
• Validate salt stoichiometry in COA; adhere to USP monographs; common issue: temperature-controlled shipping failures for hygroscopic salts
Related Products under HTS 2922.31.00.00
Methadone Hydrochloride
Methadone hydrochloride is the salt form of methadone, a synthetic opioid used primarily for opioid use disorder treatment and pain management. It falls under HTS 2922.31.00.00 as a chemically defined amino-ketone with oxygen function, specifically listed as methadone (INN) and its salts. This classification applies to pure pharmaceutical-grade material for compounding or direct medicinal use.
Methadone Hydrobromide
Methadone hydrobromide serves as an alternative salt of methadone, utilized in pharmaceutical preparations for maintenance therapy in addiction treatment. Classified under HTS 2922.31.00.00 per chapter notes for salts of listed amino-ketones with oxygen functions. It meets criteria as a separate chemically defined organic compound.
Amfepramone Hydrochloride
Amfepramone hydrochloride, known as diethylpropion HCl, is a sympathomimetic amine used as an appetite suppressant in weight loss treatments. It qualifies under HTS 2922.31.00.00 as the salt of amfepramone (INN), an amino-ketone with single oxygen function. Chapter notes confirm inclusion for such pure compounds.
Normethadone Hydrochloride
Normethadone hydrochloride is the salt of normethadone, a methadone analog studied for analgesic properties and opioid research. It is explicitly covered by HTS 2922.31.00.00 as a listed amino-ketone salt with oxygen function, excluding multi-oxygen types. Fits chapter scope for separate organic compounds.
Diethylpropion Hydrochloride
Diethylpropion hydrochloride, the INN amfepramone HCl, acts as a short-term anorectic agent in obesity management. Classified in HTS 2922.31.00.00 for its amino-ketone structure with oxygen function, as a listed INN salt. Chapter excludes only specific non-applicable items like ethyl alcohol.
Methadone Phosphate
Methadone phosphate provides a buffered salt form for oral solutions in opioid maintenance programs. Under HTS 2922.31.00.00, classified with the methadone base per salt rules in chapter notes, as an oxygen-function amino-ketone. Pure form without multi-oxygen functions.