1-Cyclopentylpiperazine

1-环戊基哌嗪

Also known as: 1-(Cyclopentyl)piperazine, Cyclopentylpiperazine, N-Cyclopentylpiperazine, Piperazine, 1-cyclopentyl-, MFCD00168029, RARECHEM AH CK 0078, TIMTEC-BB SBB004031, BUTTPARK 82\06-05

1-Cyclopentylpiperazine (CAS 21043-40-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H18N2 and a molecular weight of 154.253 g/mol. It is also known as 1-(Cyclopentyl)piperazine, Cyclopentylpiperazine and N-Cyclopentylpiperazine. Key properties include a boiling point of 233.3±8.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 95.7±9.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21043-40-3
Jingsj CID
J-15725-0
Molecular Formula
C9H18N2
Chinese Name
1-环戊基哌嗪
Molecular Weight
154.253 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point233.3±8.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point95.7±9.4 °C

Frequently Asked Questions

What is the CAS number of 1-Cyclopentylpiperazine?

The CAS number of 1-Cyclopentylpiperazine is 21043-40-3.

What are the molecular formula and molecular weight of 1-Cyclopentylpiperazine?

1-Cyclopentylpiperazine has molecular formula C9H18N2 and molecular weight 154.253 g/mol.

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

Last updated:

How to cite: Jingsj. "1-Cyclopentylpiperazine (CAS 21043-40-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15725-0 (accessed 2026-10-24).

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