2939.5-Theophylline and aminophylline (theophylline-ethylenediamine)

2026 Canada Customs Tariff and excise; Imports; Exports; chapter-by-chapter (Effective date: 2026-09-01)

HTS Code	2939.5
Description of Goods	Theophylline and aminophylline (theophylline-ethylenediamine) and their derivatives; salts thereof:
Unit of Meas
MFN Tariff
General Tariff
Applicable Preferential Tariffs

Related Information

Section VI:

Products of the Chemical or Allied Industries

Chapter 29

- Organic chemicals
1. Hydrocarbons and their halogenated, sulphonated, nitrated or nitrosated derivatives
2. Alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives
3. Phenols, phenol-alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives
4. Ethers, alcohol peroxides, ether peroxides, ketone peroxides, epoxides with a three-membered ring, acetals and hemiacetals, and their halogenated, sulphonated, nitrated or nitrosated derivatives
5. Aldehyde-function compounds
6. Ketone-function compounds and quinone-function compounds
7. Carboxylic acids and their anhydrides, halides, peroxides and peroxyacids and their halogenated, sulphonated, nitrated or nitrosated derivatives
8. Esters of inorganic acids and their salts, and their halogenated, sulphonated, nitrated or nitrosated derivatives
9. Nitrogen-function compounds
10. Organo-inorganic compounds, heterocyclic compounds, nucleic acids and their salts, and sulphonamides
11. Provitamins, vitamins and hormones
12. Glycosides and vegetable alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives
13. Other organic compounds

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