Theophylline Ethanolamine from Canada
Theophylline ethanolamine salt improves alkaloid solubility for pediatric formulations. Under HTS 2939.59.00.00 as ethanolamine derivative salt of theophylline. Used in liquid medications.
Duty Rate — Canada → 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
Import Tips
• Ethanolamine volatility specs; avoid Chapter 29 alcoholate confusion; pH stability data