Edaravone, a member of the substituted 2-pyrazolin-5-one class, has the chemical name 3-methyl-1-phenyl-2-pyrazolin-5-one. It is a white crystalline powder and is freely soluble in acetic acid, methanol, or ethanol, as well as slightly soluble in water or diethyl ether. Edaravone is available as a clear, colorless liquid provided as a sterile injection solution supplied for intravenous (IV) infusion. Edaravone https://www.alfa-api.com/products/edaravone.html