Fenetylline Phosphate
Fenetylline phosphate represents the phosphoric acid salt of fenetylline, used in pharmaceutical research as a theophylline-aminophylline derivative. Classified under HTS 2939.51.00.00 per chapter notes covering salts of specifically named alkaloids.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as caffeine or its salts instead
Different named alkaloids have separate specific subheadings.
If for carboxamide-function compounds if misidentified
Fenetylline's structure includes carboxamide groups but specific alkaloid name prevails.
If containing sugar ethers/esters
Chapter notes direct sugar derivatives to heading 2940.
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Import Tips & Compliance
• Submit FDA and DEA import alerts with batch analysis confirming >98% purity
• Declare exact salt form on commercial invoice to prevent reclassification
• Ensure packaging meets UN hazardous materials standards for transport
Related Products under HTS 2939.51.00.00
Fenetylline Hydrochloride
Fenetylline hydrochloride is the salt form of fenetylline, a synthetic stimulant alkaloid structurally related to amphetamine and theophylline. It falls under HTS 2939.51.00.00 as a chemically defined derivative of theophylline classified specifically among alkaloids and their salts.
Fenetylline Sulfate
The sulfate salt of fenetylline (INN), a synthetic central nervous system stimulant alkaloid combining theophylline and amphetamine structures. HTS 2939.51.00.00 explicitly covers this compound and all its salts as per tariff heading.
Fenetylline Mesylate
Fenetylline mesylate is the methanesulfonic acid salt form, valued for improved solubility in pharmaceutical applications. It qualifies under HTS 2939.51.00.00 as chapter notes include all salts of named alkaloids.
Fenetylline Citrate
Citric acid salt of fenetylline, providing pharmaceutical grade stability for research purposes. Covered by HTS 2939.51.00.00 as salts of the specifically named INN fenetylline per alkaloid heading.