Phentermine Hydrochloride
Phentermine hydrochloride is the hydrochloride salt of phentermine (INN), explicitly covered by HTS 2921.46.00.00 as an aromatic monoamine derivative. This anorectic agent is imported as a bulk pharmaceutical chemical for appetite suppressant formulations. The heading applies to both the base and its salts as separate chemically defined compounds.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If in bulk medicaments put up in measured doses
Bulk medicaments exceeding single doses shift to Chapter 30, not pure chemical compounds.
If containing anilino oxygen-function rather than pure monoamine structure
Structural differences in functional groups may place it in adjacent amine subheadings.
If imported as other organic compounds with sugar or nucleotide modifications
Chapter note esters/salts with sugars go to heading 2942, but pure amine salts stay in 2921.
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Import Tips & Compliance
• Submit FDA Drug Master File and ensure GMP compliance certification for active pharmaceutical ingredients
• Include stability data and impurity profiles in documentation to meet chemical identity requirements
• Beware of quotas on controlled substances; phentermine is DEA Schedule IV
Related Products under HTS 2921.46.00.00
Dextroamphetamine Sulfate
Dextroamphetamine sulfate is the sulfate salt of dexamfetamine, a specific aromatic monoamine derivative listed under HTS 2921.46.00.00. It is a chemically defined organic compound used primarily in pharmaceutical applications for its stimulant properties. This classification applies to the pure compound or its salts as separate entities.
Benzphetamine Hydrochloride
Benzphetamine hydrochloride, the salt of benzfetamine (INN), falls squarely under HTS 2921.46.00.00 for its aromatic monoamine structure. Used as a sympathomimetic amine in pharmaceutical production, it qualifies as a separate chemically defined compound per Chapter 29 notes. Classification remains consistent whether pure or with necessary stabilizers.
Methamphetamine Hydrochloride
Methamphetamine hydrochloride, recognized as a derivative related to amfetamine (INN) salts, is classified under HTS 2921.46.00.00. This potent central nervous system stimulant is a pure aromatic monoamine compound meeting Chapter 29 scope. Import is heavily regulated due to its Schedule II controlled substance status.
Levonordefrin
Levonordefrin, a synthetic analog related to listed INN compounds under amfetamine derivatives, is covered by HTS 2921.46.00.00. As an aromatic monoamine used in dental anesthetics, it qualifies as a separate organic compound. Chapter notes confirm salts thereof remain in this specific provision.
Fencamfamin Hydrochloride
Fencamfamin hydrochloride, explicitly named under INN in HTS 2921.46.00.00, is an aromatic monoamine stimulant salt. This bulk chemical is used in nootropic formulations and meets the 'separate chemically defined compound' criterion of Chapter 29. Stabilizers for transport do not affect classification.
Mefenorex Hydrochloride
Mefenorex hydrochloride salt is specifically listed under HTS 2921.46.00.00 as an aromatic monoamine derivative for weight control applications. As a prodrug converting to amphetamine, it remains classified as the pure chemical compound. Chapter 29 note (l)(C)(1) confirms organic salts stay with parent amine heading.