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(3R,4S)-1-Benzoyl-3-(triethylsilyloxy)-4-phenyl-2-azetidinone

(3R,4S)-1-苯甲酰基-3-三乙基硅氧基-4-苯基-2-氮杂环丁酮

Also known as: (3R,4S)-1-Benzoyl-3-[(triethylsilyl)oxy]-4-phenyl-2-azetidinone, (3R,4S)-1-Benzoyl-3-(triethylsilyloxy)-4-phenylazetidin-2-one, 2-Azetidinone, 1-benzoyl-3-[(triethylsilyl)oxy]-4-phenyl-, (3R,4S)-

(3R,4S)-1-Benzoyl-3-(triethylsilyloxy)-4-phenyl-2-azetidinone (CAS 133066-61-2) 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-[(triethylsilyl)oxy]-4-phenyl-2-azetidinone, (3R,4S)-1-Benzoyl-3-(triethylsilyloxy)-4-phenylazetidin-2-one and 2-Azetidinone, 1-benzoyl-3-[(triethylsilyl)oxy]-4-phenyl-, (3R,4S)-. Key properties include 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.
133066-61-2
Jingsj CID
J-1326967-4
Molecular Formula
C20H21NO4
Chinese Name
(3R,4S)-1-苯甲酰基-3-三乙基硅氧基-4-苯基-2-氮杂环丁酮
Molecular Weight
339.385 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point464.8±55.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point234.9±31.5 °C

Frequently Asked Questions

What is the CAS number of (3R,4S)-1-Benzoyl-3-(triethylsilyloxy)-4-phenyl-2-azetidinone?

The CAS number of (3R,4S)-1-Benzoyl-3-(triethylsilyloxy)-4-phenyl-2-azetidinone is 133066-61-2.

What are the molecular formula and molecular weight of (3R,4S)-1-Benzoyl-3-(triethylsilyloxy)-4-phenyl-2-azetidinone?

(3R,4S)-1-Benzoyl-3-(triethylsilyloxy)-4-phenyl-2-azetidinone has molecular formula C20H21NO4 and molecular weight 339.385 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "(3R,4S)-1-Benzoyl-3-(triethylsilyloxy)-4-phenyl-2-azetidinone (CAS 133066-61-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1326967-4 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.