4-Nitrothiophene-2-carbonitrile

Also known as: 2-Cyano-4-nitrothiophene, 4-Nitro-2-cyanothiophene, 5-Nitrothiophene-3-carbonitrile, 5-Nitro-3-thiophenecarbonitrile, 4-Nitro-thiophene-2-carbonitrile, 2-Nitro-4-cyanothiophene (incorrect but sometimes used)

4-Nitrothiophene-2-carbonitrile (CAS 42137-24-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H2N2O2S and a molecular weight of 154.14700 g/mol. Key properties include a melting point of 121ºC, a boiling point of 276.1ºC at 760mmHg, a density of 1.5g/cm3 and a flash point of 120.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 42137-24-6
Jingsj CID: J-1402220-9
Molecular Formula: C₅H₂N₂O₂S
Molecular Weight: 154.14700 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	121ºC
Boiling Point	276.1ºC at 760mmHg
Density	1.5g/cm3
Flash Point	120.8ºC
Exact Mass	153.98400
PSA	97.85000
LogP	2.05118

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 4-Nitrothiophene-2-carbonitrile?

The CAS number of 4-Nitrothiophene-2-carbonitrile is 42137-24-6.

What are the molecular formula and molecular weight of 4-Nitrothiophene-2-carbonitrile?

4-Nitrothiophene-2-carbonitrile has molecular formula C5H2N2O2S and molecular weight 154.14700 g/mol.

What are the upstream and downstream products of 4-Nitrothiophene-2-carbonitrile?

For 4-Nitrothiophene-2-carbonitrile, Upstream Products: 5-Nitrothiophene-2-carboxaldehyde, 2-Thiophenecarbonitrile, 2-Thiophenecarboxaldehyde; Downstream Products: 4-Nitrothiophene-2-carboxylic acid, 4-aminothiophene-2-carbonitrile.

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. "4-Nitrothiophene-2-carbonitrile (CAS 42137-24-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1402220-9 (accessed 2026-11-09).

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