(3R,4S)-1-Benzoyl-3-(1-ethoxyethoxy)-4-phenylazetidin-2-one

(3R,4S)-1-苯甲酰-3-(1-乙氧乙氧基)-4-苯基-2-氮杂环丁酮

Also known as: (3R,4S)-1-Benzoyl-3-(1-ethoxyethoxy)-4-phenyl-2-azetidinone, 1-Benzoyl-3-(1-ethoxyethoxy)-4-phenyl-2-azetidinone, (3R,4S)-3-(1-Ethoxyethoxy)-4-phenyl-N-benzoyl-2-azetidinone, 2-Azetidinone, 1-benzoyl-3-(1-ethoxyethoxy)-4-phenyl-, (3R,4S)-, Paclitaxel side chains

(3R,4S)-1-Benzoyl-3-(1-ethoxyethoxy)-4-phenylazetidin-2-one (CAS 201856-53-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C20H21NO4 and a molecular weight of 339.385 g/mol. It is also known as (3R,4S)-1-Benzoyl-3-(1-ethoxyethoxy)-4-phenyl-2-azetidinone, 1-Benzoyl-3-(1-ethoxyethoxy)-4-phenyl-2-azetidinone and (3R,4S)-3-(1-Ethoxyethoxy)-4-phenyl-N-benzoyl-2-azetidinone. Key properties include a melting point of 1.22ºC, a boiling point of 464.8±55.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 234.9±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

201856-53-3

Jingsj CID

J-1077902-6

Molecular Formula

C₂₀H₂₁NO₄

Chinese Name

(3R,4S)-1-苯甲酰-3-(1-乙氧乙氧基)-4-苯基-2-氮杂环丁酮

Molecular Weight

339.385 g/mol

Category

Ketones

Last updated

8/21/2026