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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If other vegetable alkaloids not elsewhere specified
Residual provision for alkaloids without specific subheadings.
If emphasizing ketone function
Oxygen-function classification possible but alkaloid specificity prevails.
If in retail-ready preparations
Chapter 29 excludes goods put up for retail medicinal sale.
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Import Tips & Compliance
• Use licensed customs broker experienced in Schedule I chemical imports
• Provide CAS registry number (3471-34-5 for fenetylline) on all docs
• Avoid bulk packaging over 1kg without additional DOT approvals
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 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.
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 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.