An internal standard for the quantification of atorvastatin
Atorvastatin-d5 is intended for use as an internal standard for the quantification of atorvastatin by GC- or LC-MS. Atorvastatin is an inhibitor of HMG-CoA reductase, the rate-limiting enzyme in the mevalonate pathway of cholesterol synthesis, that has IC50 values of 73, 102, and 0.6 nM for HepG2 cells, human fibroblasts, and rat hepatocytes, respectively.1 Formulations containing atorvastatin have been used in the treatment of hypercholesterolemia and certain dyslipidemias.
1.Shaw, M.K., Newton, R.S., Sliskovic, D.R., et al.Hep-G2 cells and primary rat hepatocytes differ in their response to inhibitors of HMG-CoA reductaseBiochem. Biophys. Res. Commun.170(2)726-734(1990)
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