Chemical formula: C₂₀H₂₆N₂O₂ Molecular mass: 326.44 g/mol PubChem compound: 91503
Hydroquinidine is a d-rotatory alkaloid derived from cinchiona bark. Hydroquinidine is a pharmaceutical agent that acts as a class I antiarrhythmic agent (Ia) in the heart. Hydroquinidine causes increased action potential duration, as well as a prolonged QT interval. Like all other class I antiarrhythmic agents, hydroquinidine primarily works by blocking the fast inward sodium current (INa). Hydroquinidine is also used for the treatment of Malaria.
This medicinal substance has been classified in the anatomical therapeutic chemical (ATC) classification according to its main therapeutic use as follows:
| ATC code | Group title | Classification |
|---|---|---|
| C01BA13 | C Cardiovascular system → C01 Cardiac therapy → C01B Antiarrhythmics, class I and III → C01BA Antiarrhythmics, class Ia | |
Hydroquinidine is an active ingredient of these brands:
Estonia (EE)
France (FR)
Netherlands (NL)
Note the following: The list of brand names is continuously updated, and thus does not include the total of products circulating worldwide. |
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