2-Chloro-4H-pyrimido[2,1-a]isoquinolin-4-one

2-氯-4H-嘧啶并[2,1-a]异喹啉-4-酮

Also known as: 2-chloropyrimido[2,1-a]isoquinolin-4-one, 2-CHLOROPYRIMIDO[2,1-A]ISOQUINOLIN-4-ONE, 2-chloro-4H-pyrimido<2,1-a>isoquinolin-4-one, 4H-Pyrimido[2,1-a]isoquinolin-4-one, 2-chloro-

2-Chloro-4H-pyrimido[2,1-a]isoquinolin-4-one (CAS 42398-55-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H7ClN2O and a molecular weight of 230.65000 g/mol. It is also known as 2-chloropyrimido[2,1-a]isoquinolin-4-one, 2-CHLOROPYRIMIDO[2,1-A]ISOQUINOLIN-4-ONE and 2-chloro-4H-pyrimido<2,1-a>isoquinolin-4-one. Key properties include a boiling point of 359.8ºC at 760 mmHg, a density of 1.42g/cm3 and a flash point of 171.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 42398-55-0
Jingsj CID: J-1514515-2
Molecular Formula: C₁₂H₇ClN₂O
Chinese Name: 2-氯-4H-嘧啶并[2,1-a]异喹啉-4-酮
Molecular Weight: 230.65000 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	359.8ºC at 760 mmHg
Density	1.42g/cm3
Flash Point	171.4ºC

Frequently Asked Questions

What is the CAS number of 2-Chloro-4H-pyrimido[2,1-a]isoquinolin-4-one?

The CAS number of 2-Chloro-4H-pyrimido[2,1-a]isoquinolin-4-one is 42398-55-0.

What are the molecular formula and molecular weight of 2-Chloro-4H-pyrimido[2,1-a]isoquinolin-4-one?

2-Chloro-4H-pyrimido[2,1-a]isoquinolin-4-one has molecular formula C12H7ClN2O and molecular weight 230.65000 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. "2-Chloro-4H-pyrimido[2,1-a]isoquinolin-4-one (CAS 42398-55-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1514515-2 (accessed 2026-10-24).

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