Pyronaridine, also known as pyronaridine tetraphosphate or as the pharmaceutical substance “Pyronaridine,” is a synthetic antimalarial drug that is used for the treatment and prevention of malaria caused by Plasmodium falciparum and Plasmodium vivax. It is classified as a member of the antimalarial class of drugs.

The Chemical Abstracts Service (CAS) number for pyronaridine is 74847-35-1. It is formulated as a tetraphosphate salt, which enhances its stability and bioavailability.

Pyronaridine works by targeting various stages of the malarial parasite’s lifecycle, inhibiting its growth and reproduction within the human body. It has a broad spectrum of activity against multiple drug-resistant strains of malaria and is considered highly efficacious.

As a pharmaceutical substance, Pyronaridine is typically available in tablet form for oral administration. It may be used as a monotherapy or in combination with other antimalarial drugs, such as artesunate, to improve efficacy and reduce the risk of drug resistan