Quipazine

喹哌嗪

Also known as: 1-(2-quinolinyl)piperazine, 1-(2-quinolyl)piperazine, 2-(1-Piperazino)quinoline, 2-(1-Piperazinyl)quinoline, 2-(1-piperazinyl)-quinolin, 2-(1-piperazinyl)quinoline, 2-(piperazin-1-yl)quinoline, 2-(piperazin-1-yl)quinoline hydrochloride, 2-piperazin-1-yl-quinoline, MFCD00242605, QUIPAZINE DIMALEATE (2-(1-PIPERAZINYL)QU I, Quinoline, 2-(1-piperazinyl)-

Quipazine (CAS 4774-24-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C21H23N3O8 and a molecular weight of 213.278 g/mol. It is also known as 1-(2-quinolinyl)piperazine, 1-(2-quinolyl)piperazine and 2-(1-Piperazino)quinoline. Key properties include a melting point of 120-122 °C(lit.), a boiling point of 403.7±25.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 198.0±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4774-24-7
Jingsj CID: J-29986-4
Molecular Formula: C₂₁H₂₃N₃O₈
Chinese Name: 喹哌嗪
Molecular Weight: 213.278 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	120-122 °C(lit.)
Boiling Point	403.7±25.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	198.0±23.2 °C
Exact Mass	213.126602
PSA	177.36000
LogP	1.59
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.629

Activity & Biological Data

Additional Information	[1]. Mok E, et al. Effect of quipazine, a selective 5-HT3 agonist, on dietary self-selection of different macronutrient diets in male and female rats. Appetite. 2000 Jun;34(3):313-25. [2]. Günther S, et al. X-ray screening identifies active site and allosteric inhibitors of SARS-CoV-2 main protease. Science. 2021 May 7;372(6542):642-646. [3]. Glennon RA, et al. 5-HT1 and 5-HT2 binding characteristics of some quipazine analogues. J Med Chem. 1986 Nov;29(11):2375-80. [4]. Ireland SJ, Tyers MB. Pharmacological characterization of 5-hydroxytryptamine-induced depolarization of the rat isolated vagus nerve. Br J Pharmacol. 1987 Jan;90(1):229-38.

Additional Information

[1]. Mok E, et al. Effect of quipazine, a selective 5-HT3 agonist, on dietary self-selection of different macronutrient diets in male and female rats. Appetite. 2000 Jun;34(3):313-25. [2]. Günther S, et al. X-ray screening identifies active site and allosteric inhibitors of SARS-CoV-2 main protease. Science. 2021 May 7;372(6542):642-646. [3]. Glennon RA, et al. 5-HT1 and 5-HT2 binding characteristics of some quipazine analogues. J Med Chem. 1986 Nov;29(11):2375-80. [4]. Ireland SJ, Tyers MB. Pharmacological characterization of 5-hydroxytryptamine-induced depolarization of the rat isolated vagus nerve. Br J Pharmacol. 1987 Jan;90(1):229-38.

Frequently Asked Questions

What is the CAS number of Quipazine?

The CAS number of Quipazine is 4774-24-7.

What are the molecular formula and molecular weight of Quipazine?

Quipazine has molecular formula C21H23N3O8 and molecular weight 213.278 g/mol.

What are the upstream and downstream products of Quipazine?

For Quipazine, Upstream Products: Piperazine, 2-Chloroquinoline, Acetanilide.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Quipazine (CAS 4774-24-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29986-4 (accessed 2026-10-28).

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