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2939.59.00.00/Dyphylline API/Mexico

Dyphylline API from Mexico

Dyphylline (7-(2,3-dihydroxypropyl)theophylline) is a theophylline derivative bronchodilator for veterinary and human use. Pure active pharmaceutical ingredient under HTS 2939.59.00.00 as 'other' derivative. Water-soluble for syrup formulations.

Duty Rate — Mexico → United States

100%

Rate breakdown

9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
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Import Tips

• Validate hydroxypropyl substitution via NMR spectra; comply with USP monograph if applicable; separate from finished veterinary meds

Dyphylline API from Mexico — Import Duty Rate | HTS 2939.59.00.00