CAS Registry Number

CAS 128-13-2 — Ursodeoxycholic acid

Ursodeoxycholic acid is a secondary bile acid used primarily in pharmaceuticals to dissolve cholesterol gallstones and treat liver diseases like primary biliary cholangitis. It is also employed in research for its hepatoprotective and choleretic properties. This white to off-white crystalline powder has a CAS number of 128-13-2, molecular formula C24H40O4, and a molecular weight of 392.57 g/mol. It should be stored at ambient conditions, with a signal word of *Warning* indicating moderate hazard. Molekula supplies Ursodeoxycholic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.