Choline Theophyllinate from Japan
Salt of choline and theophylline used as a bronchodilator in respiratory medications with improved solubility. Classified under HTS 2923.10.00.00 as choline's salt, taking precedence over the acid component per chapter salt classification rules.
Duty Rate — Japan → United States
3.7%
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
Import Tips
• Include pharmacological equivalence studies for FDA import review
• Classify bulk API separately from formulated drugs to access correct tariff
• Confirm no excluded additives per chapter notes (e.g
• not for fire extinguishers)