1-(5-nitro-3-thienyl)ethan-1-one

4-乙酰基-2-硝基噻吩

Also known as: 4-Acetyl-2-nitrothiophene, 1-(5-Nitrothiophen-3-yl)ethan-1-one, 1-(5-Nitro-3-thienyl)ethan-1-one, 1-(5-Nitro-3-thiophenyl)ethanone, 2-Nitro-4-acetylthiophene, 3-Acetyl-5-nitrothiophene, Ethanone, 1-(5-nitro-3-thienyl)-

1-(5-nitro-3-thienyl)ethan-1-one (CAS 58157-89-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5NO3S and a molecular weight of 171.17400 g/mol. It is also known as 4-Acetyl-2-nitrothiophene, 1-(5-Nitrothiophen-3-yl)ethan-1-one and 1-(5-Nitro-3-thienyl)ethan-1-one. Key properties include a melting point of 59ºC, a boiling point of 247.9ºC at 760 mmHg, a density of 1.399g/cm3 and a flash point of 103.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
58157-89-4
Jingsj CID
J-1072386-7
Molecular Formula
C6H5NO3S
Chinese Name
4-乙酰基-2-硝基噻吩
Molecular Weight
171.17400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point59ºC
Boiling Point247.9ºC at 760 mmHg
Density1.399g/cm3
Flash Point103.7ºC

Frequently Asked Questions

What is the CAS number of 1-(5-nitro-3-thienyl)ethan-1-one?

The CAS number of 1-(5-nitro-3-thienyl)ethan-1-one is 58157-89-4.

What are the molecular formula and molecular weight of 1-(5-nitro-3-thienyl)ethan-1-one?

1-(5-nitro-3-thienyl)ethan-1-one has molecular formula C6H5NO3S and molecular weight 171.17400 g/mol.

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

Last updated:

How to cite: Jingsj. "1-(5-nitro-3-thienyl)ethan-1-one (CAS 58157-89-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1072386-7 (accessed 2026-10-22).

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