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1-(3-(dimethylamino)propyl)-1-(4-fluorophenyl)-3-oxo-1,3-dihydroisobenzofuran-5-carbonitrile

3-氧代西酞普兰

Also known as: 3-Oxo citalopram, Citalopram EP Impurity C, Citalopram Impurity 5, 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-3-oxo-5-isobenzofurancarbonitrile, 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-3-oxo-2-benzofuran-5-carbonitrile, UNII-506NY8085H

1-(3-(dimethylamino)propyl)-1-(4-fluorophenyl)-3-oxo-1,3-dihydroisobenzofuran-5-carbonitrile (CAS 372941-54-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H19FN2O2 and a molecular weight of 338.37500 g/mol. It is also known as 3-Oxo citalopram, Citalopram EP Impurity C and Citalopram Impurity 5. Key properties include a melting point of 49-52ºC, a boiling point of 490.7ºC at 760 mmHg, a density of 1.25g/cm3 and a flash point of 250.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
372941-54-3
Jingsj CID
J-1311273-8
Molecular Formula
C20H19FN2O2
Chinese Name
3-氧代西酞普兰
Molecular Weight
338.37500 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point49-52ºC
Boiling Point490.7ºC at 760 mmHg
Density1.25g/cm3
Flash Point250.6ºC

Frequently Asked Questions

What is the CAS number of 1-(3-(dimethylamino)propyl)-1-(4-fluorophenyl)-3-oxo-1,3-dihydroisobenzofuran-5-carbonitrile?

The CAS number of 1-(3-(dimethylamino)propyl)-1-(4-fluorophenyl)-3-oxo-1,3-dihydroisobenzofuran-5-carbonitrile is 372941-54-3.

What are the molecular formula and molecular weight of 1-(3-(dimethylamino)propyl)-1-(4-fluorophenyl)-3-oxo-1,3-dihydroisobenzofuran-5-carbonitrile?

1-(3-(dimethylamino)propyl)-1-(4-fluorophenyl)-3-oxo-1,3-dihydroisobenzofuran-5-carbonitrile has molecular formula C20H19FN2O2 and molecular weight 338.37500 g/mol.

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

Last updated:

How to cite: Jingsj. "1-(3-(dimethylamino)propyl)-1-(4-fluorophenyl)-3-oxo-1,3-dihydroisobenzofuran-5-carbonitrile (CAS 372941-54-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1311273-8 (accessed 2026-10-25).

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