2-Oxo-2-(thiophen-2-yl)acetic acid
2-噻吩乙醛酸
Also known as: 2-Thiopheneglyoxylic acid, 2-Thienylglyoxylic acid, alpha-Oxo-2-thiopheneacetic acid, Oxo(2-thienyl)acetic acid, 2-oxo-2-(2-thienyl)acetic acid, 2-oxo-2-thiophen-2-ylacetic acid, Thiophene-2-glyoxylic acid
2-Oxo-2-(thiophen-2-yl)acetic acid (CAS 4075-59-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H4O3S and a molecular weight of 156.159 g/mol. It is also known as 2-Thiopheneglyoxylic acid, 2-Thienylglyoxylic acid and alpha-Oxo-2-thiopheneacetic acid. Key properties include a melting point of 88-91 °C(lit.), a boiling point of 274.2±22.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 119.7±22.3 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4075-59-6
- Jingsj CID
- J-1160476-5
- Molecular Formula
- C6H4O3S
- Chinese Name
- 2-噻吩乙醛酸
- Molecular Weight
- 156.159 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 88-91 °C(lit.) |
|---|---|
| Boiling Point | 274.2±22.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 119.7±22.3 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 2-Oxo-2-(thiophen-2-yl)acetic acid?
The CAS number of 2-Oxo-2-(thiophen-2-yl)acetic acid is 4075-59-6.
What are the molecular formula and molecular weight of 2-Oxo-2-(thiophen-2-yl)acetic acid?
2-Oxo-2-(thiophen-2-yl)acetic acid has molecular formula C6H4O3S and molecular weight 156.159 g/mol.
Is 2-Oxo-2-(thiophen-2-yl)acetic acid hazardous?
2-Oxo-2-(thiophen-2-yl)acetic acid has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Oxo-2-(thiophen-2-yl)acetic acid (CAS 4075-59-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1160476-5 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.