2939.59.00.00/Paraxanthine Pharmaceutical Intermediate/Canada

Paraxanthine Pharmaceutical Intermediate from Canada

Paraxanthine is a primary caffeine metabolite and theophylline-related dimethylxanthine used in nootropic supplements. Classified in HTS 2939.59.00.00 as 'other' xanthine alkaloid derivatives. Synthetic production for research and cognitive enhancement products.

Duty Rate — Canada → United States

0%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Provide synthetic pathway documentation; label as research chemical if not USP; monitor for caffeine impurity thresholds under FDA DSHEA rules

Paraxanthine Pharmaceutical Intermediate from Canada — Import Duty Rate | HTS 2939.59.00.00