Ursodeoxycholic Acid-d4

Description: Ursodeoxycholic Acid-d4 (Ursodeoxycholic acid-2,2,4,4-d4) is the deuterium substitute of Ursodeoxycholic acid, and is an internal standard for the quantitative determination of Ursodeoxycholic Acid (UDCA) levels by LC/MS or GC/MS. Smiles: C[C@@]12[C@]([C@]3([C@@]([C@]4(C)[C@](C[C@@H]3O)(C([C@H](O)C(C4)([2H])[2H])([2H])[2H])[H])(CC1)[H])[H])(CC[C@@]2([C@@H](CCC(O)=O)C)[H])[H]