5-Nitrothiophene-2-carbonyl chloride

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. 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-1178440-0
Molecular Formula: C₅H₂ClNO₃S
Molecular Weight: 191.59200 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	299.523ºC at 760 mmHg
Density	1.635g/cm3
Flash Point	134.947ºC
Exact Mass	190.94400
PSA	91.13000
LogP	2.55850
Refractive Index	1.625

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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.

What are the upstream and downstream products of 5-Nitrothiophene-2-carbonyl chloride?

For 5-Nitrothiophene-2-carbonyl chloride, Upstream Products: 5-Nitrothiophene-2-carboxylic acid, 5-Nitrothiophene-2-carboxaldehyde, 5-Nitrothiophene-2-carbonitrile; Downstream Products: 2-Acetyl-5-nitrothiophene, Methyl 5-nitrothiophene-2-carboxylate, Diethyl N-[5-methylamino-2-thenoyl]-L-glutamate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "5-Nitrothiophene-2-carbonyl chloride (CAS 39978-57-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1178440-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.