5-Nitrothiophene-2-carbonyl chloride

5-硝基噻吩-2-羰酰氯

Also known as: 2-Thiophenecarbonyl chloride, 5-nitro-, 2-chlorocarbonyl-5-nitrothiophene, 5-Nitro-2-thenoyl Chloride, 5-Nitro-2-thiophenecarbonyl Chloride, 5-Nitro-thiophen-2-carbonylchlorid, 5-Nitrothiophene-2-formyl Chloride, 5-nitro-thiophene-2-carbonyl chloride, 5-nitro-thiophene-2-carboxylic acid chloride

5-Nitrothiophene-2-carbonyl chloride (CAS 39978-57-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H2ClNO3S and a molecular weight of 191.59200 g/mol. It is also known as 2-Thiophenecarbonyl chloride, 5-nitro-, 2-chlorocarbonyl-5-nitrothiophene and 5-Nitro-2-thenoyl Chloride. Key properties include a boiling point of 299.523ºC at 760 mmHg, a density of 1.635g/cm3 and a flash point of 134.947ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
39978-57-9
Jingsj CID
J-1178440-5
Molecular Formula
C5H2ClNO3S
Chinese Name
5-硝基噻吩-2-羰酰氯
Molecular Weight
191.59200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point299.523ºC at 760 mmHg
Density1.635g/cm3
Flash Point134.947ºC

Frequently Asked Questions

What is the CAS number of 5-Nitrothiophene-2-carbonyl chloride?

The CAS number of 5-Nitrothiophene-2-carbonyl chloride is 39978-57-9.

What are the molecular formula and molecular weight of 5-Nitrothiophene-2-carbonyl chloride?

5-Nitrothiophene-2-carbonyl chloride has molecular formula C5H2ClNO3S and molecular weight 191.59200 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Nitrothiophene-2-carbonyl chloride (CAS 39978-57-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1178440-5 (accessed 2026-10-22).

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