Ponazuril Chemical Properties

Melting point:

242°

Density 

1.507±0.06 g/cm3(Predicted)

storage temp. 

Refrigerator

solubility 

Acetontrile (Slightly), DMSO (Slightly), Methanol (Slightly)

pka

6.46±0.20(Predicted)

color 

White to Off-White

InChIKey

VBUNOIXRZNJNAD-UHFFFAOYSA-N

CAS DataBase Reference

69004-04-2

Safety Information

WGK Germany 

3

Ponazuril Usage And Synthesis

Description

Toltrazuril sulfone is an active metabolite of the coccidiostat toltrazuril . Toltrazuril sulfone is formed from toltrazuril via the intermediate metabolite toltrazuril sulfoxide by cytochrome P450 (CYP) enzymes, including CYP3A. It inhibits T. gondii tachyzoite production in African green monkey kidney cells when used at concentrations of 0.1, 1, and 5 μg/ml. Toltrazuril sulfone completely prevents infection with T. gondii tachyzoites in a mouse model of fatal toxoplasmosis when administered at doses of 10 or 20 mg/kg one day prior to, and daily for 10 days following, infection. It also reduces the number of infected mice in the same model when administered at a dose of 10 mg/kg for 11 days starting six days following infection. Formulations containing toltrazuril sulfone have been used in the treatment of equine protozoal myeloencephalitis (EPM) in horses.

Uses

Toltrazuril sulfone is antiprotazoal, used to treat Equine Protozoal Myeloencephalitis (EPM).

Veterinary Drugs and Treatments

Ponazuril is indicated for the treatment of equine protozoal myeloencephalitis (EPM) caused by Sarcocystis neurona.
Ponazuril could potentially be useful in treating Neospora caninum and Toxoplasma infections in dogs or cats.

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