1-[(4-Methoxyphenyl)sulfonyl]piperazine

1-[(4-甲氧基苯基)磺酰基]哌嗪

Also known as: 1-(4-METHOXY-BENZENESULFONYL)-PIPERAZINE, 1-(4-methoxyphenyl)sulfonylpiperazine, 1-[(4-METHOXYPHENYL)SULFONYL]PIPERAZINE, AKOS B003960, AKOS BB-5594, AKOS BBS-00003012, ART-CHEM-BB B003960, CHEMBRDG-BB 3003960, TIMTEC-BB SBB007000, Piperazine, 1-[(4-methoxyphenyl)sulfonyl]-, 1-(4-methoxybenzenesulfonyl)piperazine

1-[(4-Methoxyphenyl)sulfonyl]piperazine (CAS 121751-67-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H16N2O3S and a molecular weight of 256.32100 g/mol. It is also known as 1-(4-METHOXY-BENZENESULFONYL)-PIPERAZINE, 1-(4-methoxyphenyl)sulfonylpiperazine and 1-[(4-METHOXYPHENYL)SULFONYL]PIPERAZINE. Key properties include a boiling point of 411.9ºC at 760 mmHg, a density of 1.251g/cm3 and a flash point of 202.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
121751-67-5
Jingsj CID
J-1364898-9
Molecular Formula
C11H16N2O3S
Chinese Name
1-[(4-甲氧基苯基)磺酰基]哌嗪
Molecular Weight
256.32100 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point411.9ºC at 760 mmHg
Density1.251g/cm3
Flash Point202.9ºC

Frequently Asked Questions

What is the CAS number of 1-[(4-Methoxyphenyl)sulfonyl]piperazine?

The CAS number of 1-[(4-Methoxyphenyl)sulfonyl]piperazine is 121751-67-5.

What are the molecular formula and molecular weight of 1-[(4-Methoxyphenyl)sulfonyl]piperazine?

1-[(4-Methoxyphenyl)sulfonyl]piperazine has molecular formula C11H16N2O3S and molecular weight 256.32100 g/mol.

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

Last updated:

How to cite: Jingsj. "1-[(4-Methoxyphenyl)sulfonyl]piperazine (CAS 121751-67-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1364898-9 (accessed 2026-10-24).

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