4-Methylthiophene-3-carboxylic acid
4-甲基噻吩-3-羧酸
Also known as: 3-Thiophenecarboxylic acid, 4-methyl-, 4-METHYLTHIOPHENE-3-CARBOXYLIC ACID, 4-Methylthiophen-3-carboxylic acid, 4-methyl-3-Thiophenecarboxylic acid, 4-methylthiophene-3-carboxylic acid
4-Methylthiophene-3-carboxylic acid (CAS 78071-30-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H6O2S and a molecular weight of 142.17600 g/mol. It is also known as 3-Thiophenecarboxylic acid, 4-methyl-, 4-METHYLTHIOPHENE-3-CARBOXYLIC ACID and 4-Methylthiophen-3-carboxylic acid. Key properties include a melting point of 136-138ºC, a boiling point of 274ºC, a density of 1.319 and a flash point of 119ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 78071-30-4
- Jingsj CID
- J-1411200-9
- Molecular Formula
- C6H6O2S
- Chinese Name
- 4-甲基噻吩-3-羧酸
- Molecular Weight
- 142.17600 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 136-138ºC |
|---|---|
| Boiling Point | 274ºC |
| Density | 1.319 |
| Flash Point | 119ºC |
Frequently Asked Questions
What is the CAS number of 4-Methylthiophene-3-carboxylic acid?
The CAS number of 4-Methylthiophene-3-carboxylic acid is 78071-30-4.
What are the molecular formula and molecular weight of 4-Methylthiophene-3-carboxylic acid?
4-Methylthiophene-3-carboxylic acid has molecular formula C6H6O2S and molecular weight 142.17600 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Methylthiophene-3-carboxylic acid (CAS 78071-30-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1411200-9 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.