2-Thiophenecarboxamide

Also known as: Thiophene-2-carboxamide, 2-Thienylamide, 2-Thenamide, NSC 109369, BRN 0110153, BTB 07541, MFCD00010425, EINECS 238-028-2

2-Thiophenecarboxamide (CAS 5813-89-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5NOS and a molecular weight of 127.16400 g/mol. Key properties include a melting point of 181-183 °C(lit.), a boiling point of 313.5ºC at 760 mmHg, a density of 1.302g/cm3 and a flash point of 143.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5813-89-8
Jingsj CID: J-1993427-1
Molecular Formula: C₅H₅NOS
Molecular Weight: 127.16400 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	181-183 °C(lit.)
Boiling Point	313.5ºC at 760 mmHg
Density	1.302g/cm3
Flash Point	143.4ºC
Exact Mass	127.00900
PSA	71.33000
LogP	1.54730
Refractive Index	1.603

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 2-Thiophenecarboxamide?

The CAS number of 2-Thiophenecarboxamide is 5813-89-8.

What are the molecular formula and molecular weight of 2-Thiophenecarboxamide?

2-Thiophenecarboxamide has molecular formula C5H5NOS and molecular weight 127.16400 g/mol.

What are the upstream and downstream products of 2-Thiophenecarboxamide?

For 2-Thiophenecarboxamide, Upstream Products: 2-Thiophenecarboxaldehyde, 2-Bromothiophene, Thiophene-2-carboxaldoxime; Downstream Products: 2-Thiophenecarboxylic acid, 2-Thiophenemethylamine, ethyl 2-(2-thienyl)-1,3-thiazole-4-carboxylate.

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. "2-Thiophenecarboxamide (CAS 5813-89-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993427-1 (accessed 2026-11-09).

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