79952-42-4: Simvastatin EP Impurity H
Torsemide EP Impurity C (CAS No: 58155-35-4) or Torsemide Related Compound C is observed as an impurity in Torsemide that is broadly used as a diuretic, natriuretic, and chloruretic that acts on the thick ascending limb of the loop of Henle by interfering with the Na 2Cl K carrier system present in the luminal cell membrane.
6(R)-[2-(8(S)-Hydroxy]-2(S), 6(R)-dimethyl-1, 2, 6, 7, 8, 8a(R)-hexahydro-1(S)-naphthyl]ethyl-4(R)-hydroxy-3, 4, 5, 6-tetrahydro-2H-pyran-2-one
Simvastatin Lactone Diol
Mauro, Vincent F., and Joanne L. MacDonald. “Simvastatin: A Review of Its Pharmacology and Clinical Use.” DICP, vol. 25, no. 3, Mar. 1991, pp. 257–64, https://doi.org/10.1177/106002809102500309. ?