Product name: Probenecid 
Molecular formula: C₁₃H₁₈NO₄S-.NA+ 
Molecular weight: 307.341112 
CAS NO: 23795-03-1 
Property: white crystalline powder; odorless, slightly bitter taste. This product is slightly soluble in ethanol or medium, almost insoluble in water; dissolved in dilute sodium hydroxide solution, almost insoluble in dilute acid. 
Uses: Antibiotic-based anti-infective drug substance.