Fenproporex Tartrate
The tartrate salt of fenproporex qualifies under HTS 2926.30.10.00 for its status as an INN salt with nitrile function. This chiral salt form aids in resolution during synthesis. Imported as GMP-grade material for veterinary research analogs.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sugar-derived ester/salt form
Sugar ethers/esters and salts shift to 2940, later in chapter order per note (c).
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Import Tips & Compliance
• Validate enantiomeric excess (>99%ee) for chiral imports
• Coordinate with FDA for IND-supporting shipments
• Declare as 'non-narcotic' despite amphetamine structure
Related Products under HTS 2926.30.10.00
Fenproporex Hydrochloride
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.
Fenproporex Base Powder
Pure fenproporex base is the free amine form of this amphetamine-derived nitrile compound, classified under HTS 2926.30.10.00 for its specific INN status. As a separate chemically defined organic compound with a nitrile function, it is imported for synthetic chemistry or pharmaceutical research. It appears as an off-white powder soluble in organic solvents.
Fenproporex Sulfate Salt
Fenproporex sulfate is an acidic salt derivative of the INN fenproporex, a nitrile-function compound explicitly listed in HTS 2926.30.10.00. This form enhances stability for laboratory synthesis of anorectic agents. It complies with chapter notes for salts of organic compounds classified with the base compound.
Fenproporex Citrate
Fenproporex citrate combines the INN compound with citric acid, forming a stable salt under HTS 2926.30.10.00 for nitrile-function compounds and salts. Used in analytical standards for doping control testing. This biocompatible salt improves aqueous solubility over the hydrochloride.
Fenproporex Phosphate
This phosphate salt of fenproporex is a chemically defined derivative captured by HTS 2926.30.10.00, suitable for pharmaceutical intermediate synthesis. Its nitrile group defines the classification within Chapter 29's subchapter for nitrile-functions. Supplied in amber glass vials to prevent degradation.
Fenproporex Mesylate
Fenproporex mesylate, or methanesulfonate salt, is specified under HTS 2926.30.10.00 as a salt of the INN nitrile compound. Commonly used in forensic reference standards due to high purity. The mesylate counterion provides excellent crystallinity for analytical applications.