5-(methylthio)thiophene-2-carboxylic acid
Also known as: 5-(methylsulfanyl)thiophene-2-carboxylic acid, 5-methylsulfanylthiophene-2-carboxylic acid, 5-methylthiothiophene-2-carboxylic acid, 5-(methylthio)-2-thiophenecarboxylic acid, 2-thiophenecarboxylic acid, 5-(methylthio)-, 5-(methylsulfanyl)-2-thiophenecarboxylic acid, 5-(Methylsulphanyl)thiophene-2-carboxylic acid
5-(methylthio)thiophene-2-carboxylic acid (CAS 20873-58-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H6O2S2 and a molecular weight of 174.24100 g/mol. Key properties include a melting point of 103 °C, a boiling point of 338.2ºC at 760 mmHg, a density of 1.43g/cm3 and a flash point of 158.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20873-58-9
- Jingsj CID
- J-19524-4
- Molecular Formula
- C6H6O2S2
- Molecular Weight
- 174.24100 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 103 °C |
|---|---|
| Boiling Point | 338.2ºC at 760 mmHg |
| Density | 1.43g/cm3 |
| Flash Point | 158.4ºC |
| Exact Mass | 173.98100 |
| PSA | 90.84000 |
| LogP | 2.16820 |
| Vapor Pressure | 3.88E-05mmHg at 25°C |
| Refractive Index | 1.642 |
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-(methylthio)thiophene-2-carboxylic acid?
The CAS number of 5-(methylthio)thiophene-2-carboxylic acid is 20873-58-9.
What are the molecular formula and molecular weight of 5-(methylthio)thiophene-2-carboxylic acid?
5-(methylthio)thiophene-2-carboxylic acid has molecular formula C6H6O2S2 and molecular weight 174.24100 g/mol.
What are the upstream and downstream products of 5-(methylthio)thiophene-2-carboxylic acid?
For 5-(methylthio)thiophene-2-carboxylic acid, Upstream Products: 5-Bromo-2-thiophenecarboxylic acid, Methyl methanethiosulfonate, 2-(Methylthio)thiophene; Downstream Products: 5-(Methylsulfonyl)thiophene-2-carboxylic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-(methylthio)thiophene-2-carboxylic acid (CAS 20873-58-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19524-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.