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(3R,4S)-1-(4-fluorophenyl)-2-oxo-4-[4-(benzyloxy)phenyl]-3-azetidinepropanoic acid methyl ester

Also known as: Ezetimibe Intermediate K, Ezetimibe Impurity 13, (3R,4S)-1-(4-fluorophenyl)-2-oxo-4-[4-(benzyloxy)phenyl]-3-azetidinepropanoic acid methyl ester, 3-[(2S,3R)-2-[4-(benzyloxy)phenyl]-1-(4-fluorophenyl)-4-oxoazetidin-3-yl]propanoic acid methyl ester

(3R,4S)-1-(4-fluorophenyl)-2-oxo-4-[4-(benzyloxy)phenyl]-3-azetidinepropanoic acid methyl ester (CAS 204589-82-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C25H22FNO4 and a molecular weight of 419.445 g/mol. Key properties include a boiling point of 687.4±55.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 369.6±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
204589-82-2
Jingsj CID
J-1165065-0
Molecular Formula
C25H22FNO4
Molecular Weight
419.445 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point687.4±55.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point369.6±31.5 °C
Exact Mass419.153290
PSA66.84000
LogP4.14
Vapor Pressure0.0±2.2 mmHg at 25°C
Refractive Index1.614

Frequently Asked Questions

What is the CAS number of (3R,4S)-1-(4-fluorophenyl)-2-oxo-4-[4-(benzyloxy)phenyl]-3-azetidinepropanoic acid methyl ester?

The CAS number of (3R,4S)-1-(4-fluorophenyl)-2-oxo-4-[4-(benzyloxy)phenyl]-3-azetidinepropanoic acid methyl ester is 204589-82-2.

What are the molecular formula and molecular weight of (3R,4S)-1-(4-fluorophenyl)-2-oxo-4-[4-(benzyloxy)phenyl]-3-azetidinepropanoic acid methyl ester?

(3R,4S)-1-(4-fluorophenyl)-2-oxo-4-[4-(benzyloxy)phenyl]-3-azetidinepropanoic acid methyl ester has molecular formula C25H22FNO4 and molecular weight 419.445 g/mol.

What are the upstream and downstream products of (3R,4S)-1-(4-fluorophenyl)-2-oxo-4-[4-(benzyloxy)phenyl]-3-azetidinepropanoic acid methyl ester?

For (3R,4S)-1-(4-fluorophenyl)-2-oxo-4-[4-(benzyloxy)phenyl]-3-azetidinepropanoic acid methyl ester, Upstream Products: Methyl (3R,4S)-1-(4-fluorophenyl)-2-oxo-4-[4-(phenylmethoxy)phenyl]-3-azetidinepropanoate; Downstream Products: 4'-O-Benzyloxy Ezetimibe, Ezetimibe, Ezetimibe Ketone.

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

Last updated:

How to cite: Jingsj. "(3R,4S)-1-(4-fluorophenyl)-2-oxo-4-[4-(benzyloxy)phenyl]-3-azetidinepropanoic acid methyl ester (CAS 204589-82-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1165065-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.