2-Chloro-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde

Also known as: 2-chloro-3-formylpyrido[1,2-a]pyrimidin-4(4H)-one, 2-chloro-4-oxo-4H-pyrido<1,2-a>pyrimidine 3-carboxaldehyde, 2-chloro-4-oxo-4H-pyrido[1,2-a]pirimidine-3-carbaldehyde, 2-chloro-4-oxo-5-hydropyridino[1,2-a]pyrimidine-3-carbaldehyde, 2-chloro-4-oxopyrido[1,2-a]pyrimidine-3-carbaldehyde, 4H-Pyrido(1,2-a)pyrimidine-3-carboxaldehyde,2-chloro-4-oxo

2-Chloro-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde (CAS 17481-62-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H5ClN2O2 and a molecular weight of 208.60100 g/mol. Key properties include a boiling point of 325.1ºC at 760mmHg, a density of 1.49g/cm3 and a flash point of 150.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 17481-62-8
Jingsj CID: J-1117192-9
Molecular Formula: C₉H₅ClN₂O₂
Molecular Weight: 208.60100 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	325.1ºC at 760mmHg
Density	1.49g/cm3
Flash Point	150.4ºC
Exact Mass	208.00400
PSA	51.44000
LogP	1.16040
Vapor Pressure	0.000235mmHg at 25°C
Refractive Index	1.67

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 2-Chloro-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde?

The CAS number of 2-Chloro-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde is 17481-62-8.

What are the molecular formula and molecular weight of 2-Chloro-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde?

2-Chloro-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde has molecular formula C9H5ClN2O2 and molecular weight 208.60100 g/mol.

What are the upstream and downstream products of 2-Chloro-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde?

For 2-Chloro-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde, Upstream Products: 2H-Pyrido[1,2-a]pyrimidine-2,4(3H)-dione, N,N-Dimethylformamide, 2-Chloro-4H-pyrido[1,2-a]pyrimidin-4-one; Downstream Products: 4-oxo-2-(pyrrolidin-1-yl)-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-Chloro-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde (CAS 17481-62-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1117192-9 (accessed 2026-11-09).

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