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2939.51.00.00/Fenetylline Sulfate/Japan

Fenetylline Sulfate from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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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 Japan — Import Duty Rate | HTS 2939.51.00.00