4-Methylthiophene-2-carboxamide

Also known as: 4-METHYL-THIOPHENE-2-CARBOXAMIDE, 2-Thiophenecarboxamide,4-methyl-, 4-Methyl-thiophene-2-carboxylic acid amide, 4-Methylthiophene-2-carboxamide 97%, 4-methyl-2-thiophenecarboxamide, 4-methylthiophen-2-carboxamide

4-Methylthiophene-2-carboxamide (CAS 83933-16-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H7NOS and a molecular weight of 141.19100 g/mol. Key properties include a melting point of 115-117ºC, a boiling point of 264.4ºC at 760 mmHg, a density of 1.239g/cm3 and a flash point of 113.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 83933-16-8
Jingsj CID: J-1171652-2
Molecular Formula: C₆H₇NOS
Molecular Weight: 141.19100 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	115-117ºC
Boiling Point	264.4ºC at 760 mmHg
Density	1.239g/cm3
Flash Point	113.7ºC
Exact Mass	141.02500
PSA	71.33000
LogP	1.85570
Refractive Index	1.589

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-Methylthiophene-2-carboxamide?

The CAS number of 4-Methylthiophene-2-carboxamide is 83933-16-8.

What are the molecular formula and molecular weight of 4-Methylthiophene-2-carboxamide?

4-Methylthiophene-2-carboxamide has molecular formula C6H7NOS and molecular weight 141.19100 g/mol.

What are the upstream and downstream products of 4-Methylthiophene-2-carboxamide?

For 4-Methylthiophene-2-carboxamide, Upstream Products: 4-methylthiophene-2-carbonyl chloride.

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-Methylthiophene-2-carboxamide (CAS 83933-16-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1171652-2 (accessed 2026-11-09).

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