2939.51.00.00/Fenetylline Sulfate/Mexico

Fenetylline Sulfate from Mexico

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.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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Import Tips

• File with U.S

• Customs under controlled substance provisions 30 days prior

• Include spectroscopic data (NMR, MS) proving identity as fenetylline salt

• Watch for chapter exclusions - pure compounds only, not formulations

Fenetylline Sulfate from Mexico — Import Duty Rate | HTS 2939.51.00.00