4,5-Dimethylthiophene-3-carboxylic acid
4,5-二甲基噻吩-3-羧酸
Also known as: 4,5-Dimethyl-3-thenoic acid, 4,5-Dimethyl-3-thiophenecarboxylic acid, 4,5-Dimethylthiophene-3-carboxylic acid (free acid)
4,5-Dimethylthiophene-3-carboxylic acid (CAS 19156-52-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H8O2S and a molecular weight of 156.20200 g/mol. It is also known as 4,5-Dimethyl-3-thenoic acid, 4,5-Dimethyl-3-thiophenecarboxylic acid and 4,5-Dimethylthiophene-3-carboxylic acid (free acid). Key property: a boiling point of 287.7±35.0 °C at 760 mmHg. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 19156-52-6
- Jingsj CID
- J-967245-3
- Molecular Formula
- C7H8O2S
- Chinese Name
- 4,5-二甲基噻吩-3-羧酸
- Molecular Weight
- 156.20200 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 287.7±35.0 °C at 760 mmHg |
|---|
Frequently Asked Questions
What is the CAS number of 4,5-Dimethylthiophene-3-carboxylic acid?
The CAS number of 4,5-Dimethylthiophene-3-carboxylic acid is 19156-52-6.
What are the molecular formula and molecular weight of 4,5-Dimethylthiophene-3-carboxylic acid?
4,5-Dimethylthiophene-3-carboxylic acid has molecular formula C7H8O2S and molecular weight 156.20200 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,5-Dimethylthiophene-3-carboxylic acid (CAS 19156-52-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-967245-3 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.