what is of Ursodeoxycholic acid with CAS 128-13-2?
Ursodeoxycholic acid (UDCA) is a secondary bile acid that helps regulate cholesterol. Mass spectrometry-based analysis of UDCA is routinely performed in clinical diagnostic testing applications such as neonatal testing of inborn errors of bile acid synthesis, differentiating among types of familial intrahepatic cholestasis, and therapeutic monitoring of patient responses to UDCA therapy.