5-(2-Oxo-2-phenylethoxy)-1(2H)-isoquinolinone

5-(2-氧代-2-苯基乙氧基)-1(2H)-异喹啉酮

Also known as: UPF 1069, CS-874, UPF-1069, UPF1069, 5-phenacyloxy-2H-isoquinolin-1-one, 5-(2-Oxo-2-phenylethoxy)isoquinolin-1(2H)-one, 1(2H)-Isoquinolinone, 5-(2-oxo-2-phenylethoxy)-

5-(2-Oxo-2-phenylethoxy)-1(2H)-isoquinolinone (CAS 1048371-03-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C17H13NO3 and a molecular weight of 279.290 g/mol. It is also known as UPF 1069, CS-874 and UPF-1069. Key properties include a melting point of 166-168 °C, a boiling point of 570.3±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 298.7±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1048371-03-4
Jingsj CID: J-1969033-1
Molecular Formula: C₁₇H₁₃NO₃
Chinese Name: 5-(2-氧代-2-苯基乙氧基)-1(2H)-异喹啉酮
Molecular Weight: 279.290 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	166-168 °C
Boiling Point	570.3±50.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	298.7±30.1 °C

Frequently Asked Questions

What is the CAS number of 5-(2-Oxo-2-phenylethoxy)-1(2H)-isoquinolinone?

The CAS number of 5-(2-Oxo-2-phenylethoxy)-1(2H)-isoquinolinone is 1048371-03-4.

What are the molecular formula and molecular weight of 5-(2-Oxo-2-phenylethoxy)-1(2H)-isoquinolinone?

5-(2-Oxo-2-phenylethoxy)-1(2H)-isoquinolinone has molecular formula C17H13NO3 and molecular weight 279.290 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "5-(2-Oxo-2-phenylethoxy)-1(2H)-isoquinolinone (CAS 1048371-03-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1969033-1 (accessed 2026-10-25).

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