5-Methyl-2-thiophenesulfonic acid
5-甲基噻吩-2-磺酸
Also known as: 2-Thiophenesulfonic acid, 5-methyl-, 5-Methyl-2-thiophenesulfonic acid, 5-Methyl-thiophen-2-sulfonsaeure, 5-Methylthiophene-2-sulfonic acid, 5-methyl-thiophene-2-sulfonic acid
5-Methyl-2-thiophenesulfonic acid (CAS 73348-45-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6O3S2 and a molecular weight of 178.22900 g/mol. It is also known as 2-Thiophenesulfonic acid, 5-methyl-, 5-Methyl-thiophen-2-sulfonsaeure and 5-Methylthiophene-2-sulfonic acid. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 73348-45-5
- Jingsj CID
- J-1323520-6
- Molecular Formula
- C5H6O3S2
- Chinese Name
- 5-甲基噻吩-2-磺酸
- Molecular Weight
- 178.22900 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quoteFrequently Asked Questions
What is the CAS number of 5-Methyl-2-thiophenesulfonic acid?
The CAS number of 5-Methyl-2-thiophenesulfonic acid is 73348-45-5.
What are the molecular formula and molecular weight of 5-Methyl-2-thiophenesulfonic acid?
5-Methyl-2-thiophenesulfonic acid has molecular formula C5H6O3S2 and molecular weight 178.22900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Methyl-2-thiophenesulfonic acid (CAS 73348-45-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1323520-6 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.