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1-(Thiophene-3-carbonyl)piperazine

哌嗪-1-基-噻吩-3-基-甲酮

Also known as: Piperazin-1-yl-thiophen-3-yl-methanone, Methanone, 1-piperazinyl-3-thienyl-, Methanone,1-piperazinyl-3-thienyl, PIPERAZIN-1-YL-THIOPHEN-3-YL-METHANONE, piperazin-1-yl(thiophen-3-yl)methanone

1-(Thiophene-3-carbonyl)piperazine (CAS 59939-74-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H12N2OS and a molecular weight of 196.26900 g/mol. It is also known as Piperazin-1-yl-thiophen-3-yl-methanone, Methanone, 1-piperazinyl-3-thienyl- and Methanone,1-piperazinyl-3-thienyl. Key properties include a boiling point of 352.972ºC at 760 mmHg, a density of 1.226g/cm3 and a flash point of 167.272ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
59939-74-1
Jingsj CID
J-1453053-1
Molecular Formula
C9H12N2OS
Chinese Name
哌嗪-1-基-噻吩-3-基-甲酮
Molecular Weight
196.26900 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point352.972ºC at 760 mmHg
Density1.226g/cm3
Flash Point167.272ºC

Frequently Asked Questions

What is the CAS number of 1-(Thiophene-3-carbonyl)piperazine?

The CAS number of 1-(Thiophene-3-carbonyl)piperazine is 59939-74-1.

What are the molecular formula and molecular weight of 1-(Thiophene-3-carbonyl)piperazine?

1-(Thiophene-3-carbonyl)piperazine has molecular formula C9H12N2OS and molecular weight 196.26900 g/mol.

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

Last updated:

How to cite: Jingsj. "1-(Thiophene-3-carbonyl)piperazine (CAS 59939-74-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1453053-1 (accessed 2026-10-25).

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