Atorvastatin tert-Butyl Ester

Also known as: (3R,5R)-tert-Butyl 7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoate, tert-Butyl (3R,5R)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl)-3,5-dihydroxyheptanoate, (βR,δR)-2-(4-Fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic acid 1,1-dimethylethyl ester, Atorvastatin Impurity O, Atorvastatin t-butyl ester, (4R-cis)-1,1-dimethylethyl-6-[2-[2-(4-fluorophenyl)-5-(1-isopropyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dihydroxy-4-acetate, 1H-Pyrrole-1-heptanoic acid, 2-(4-fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-, 1,1-dimethylethyl ester, (βR,δR)-

Atorvastatin tert-Butyl Ester (CAS 134395-00-9) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C37H43FN2O5 and a molecular weight of 614.746 g/mol. Key properties include a melting point of 66-68ºC, a boiling point of 721.0±60.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 389.9±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

134395-00-9

Jingsj CID

J-1377917-5

Molecular Formula

C₃₇H₄₃FN₂O₅

Molecular Weight

614.746 g/mol

Category

Esters

Last updated

8/21/2026