5-(2R)-2-Oxiranyl-8-benzyloxy-2(1H)-quinolinone

5-(2R)-2-环氧乙烷基-8-苄氧基-2(1H)-喹啉酮

Also known as: (R)-8-(Benzyloxy)-5-(oxiran-2-yl)quinolin-2(1H)-one, 2(1H)-Quinolinone, 5-(2R)-oxiranyl-8-(phenylmethoxy)-, 8-(Benzyloxy)-5-[(2R)-2-oxiranyl]-2(1H)-quinolinone, Indacaterol Impurity 5, Indacaterol intermediate

5-(2R)-2-Oxiranyl-8-benzyloxy-2(1H)-quinolinone (CAS 173140-90-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C18H15NO3 and a molecular weight of 293.317 g/mol. It is also known as (R)-8-(Benzyloxy)-5-(oxiran-2-yl)quinolin-2(1H)-one, 2(1H)-Quinolinone, 5-(2R)-oxiranyl-8-(phenylmethoxy)- and 8-(Benzyloxy)-5-[(2R)-2-oxiranyl]-2(1H)-quinolinone. Key properties include a boiling point of 556.0±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 290.0±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

173140-90-4

Jingsj CID

J-1603349-6

Molecular Formula

C₁₈H₁₅NO₃

Chinese Name

5-(2R)-2-环氧乙烷基-8-苄氧基-2(1H)-喹啉酮

Molecular Weight

293.317 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026