168110-44-9

FR 179642 is an impurity of Micafungin (M342350), a lipopeptide compound that acts as an antifungal agent with activity against Aspergillus and Candida species.

Micafungin FR-179642 impurity (acid) is an impurity in micafungin that can be present as trace amounts in the final product and may contribute to hemolytic activity. This impurity is formed by hydrolysis during the synthesis process. Micafungin is an antifungal drug that inhibits the synthesis of ergosterol, a vital component of fungal cell membranes.