(3R,4S)-1-benzoyl-3-(1-methoxy-1-methylethoxy)-4-phenyl-2-azetidinone

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

Also known as: (3R,4S)-1-Benzoyl-3-((2-methoxypropan-2-yl)oxy)-4-phenylazetidin-2-one, (3R,4S)-1-benzoyl-3-(2-methoxypropan-2-yloxy)-4-phenylazetidin-2-one, (3R-cis)-1-Benzoyl-3-(1-methoxy-1-methylethoxy)-4-phenyl-2-azetidinone, (3r,4s)-1-benzoyl-3-(1-methoxy-1-methylethoxy)-4-phenyl-2-azetidinone, (3r-cis)-1-benzoyl-3-(1-methoxy-1-methylethoxy)-4-phenyl-2-azetidinone, 2-Azetidinone, 1-benzoyl-3-(1-methoxy-1-methylethoxy)-4-phenyl-, (3R,4S)-

(3R,4S)-1-benzoyl-3-(1-methoxy-1-methylethoxy)-4-phenyl-2-azetidinone (CAS 149107-92-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C20H21NO4 and a molecular weight of 339.38500 g/mol. It is also known as (3R,4S)-1-Benzoyl-3-((2-methoxypropan-2-yl)oxy)-4-phenylazetidin-2-one, (3R,4S)-1-benzoyl-3-(2-methoxypropan-2-yloxy)-4-phenylazetidin-2-one and (3R-cis)-1-Benzoyl-3-(1-methoxy-1-methylethoxy)-4-phenyl-2-azetidinone. Key properties include a melting point of 89-94ºC, a boiling point of 459.6ºC at 760 mmHg and a density of 1.22. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
149107-92-6
Jingsj CID
J-872268-3
Molecular Formula
C20H21NO4
Chinese Name
(3R,4S)-1-苯甲酰-3-(1-甲氧基-1-甲基乙氧基)-4-苯基-2-氮杂环丁酮
Molecular Weight
339.38500 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point89-94ºC
Boiling Point459.6ºC at 760 mmHg
Density1.22

Frequently Asked Questions

What is the CAS number of (3R,4S)-1-benzoyl-3-(1-methoxy-1-methylethoxy)-4-phenyl-2-azetidinone?

The CAS number of (3R,4S)-1-benzoyl-3-(1-methoxy-1-methylethoxy)-4-phenyl-2-azetidinone is 149107-92-6.

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

(3R,4S)-1-benzoyl-3-(1-methoxy-1-methylethoxy)-4-phenyl-2-azetidinone has molecular formula C20H21NO4 and molecular weight 339.38500 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-(1-methoxy-1-methylethoxy)-4-phenyl-2-azetidinone (CAS 149107-92-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-872268-3 (accessed 2026-10-23).

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