2-(Thiophen-2-yl)propanoic acid
α-甲基-2-噻吩乙酸
Also known as: 2-(2-thienyl)propionic acid, 2-(Thien-2-yl)propionic acid, 2-(Thiophen-2-yl)propanoic acid, 2-TPA, 2-Thiophen-2-yl-propionic acid, 2-Thiopheneacetic acid, α-methyl-, 2-Thiopheneacetic acid, a-methyl, 2-thiophen-2-ylpropanoic acid, Tiaprofenic Acid EP Impurity E, thienylpropionic acid
2-(Thiophen-2-yl)propanoic acid (CAS 54955-39-4) 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 2-(2-thienyl)propionic acid, 2-(Thien-2-yl)propionic acid and 2-TPA. Key properties include a boiling point of 274.6ºC at 760 mmHg, a density of 1.263g/cm3 and a flash point of 119.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 54955-39-4
- Jingsj CID
- J-1187017-5
- Molecular Formula
- C7H8O2S
- Chinese Name
- α-甲基-2-噻吩乙酸
- 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 | 274.6ºC at 760 mmHg |
|---|---|
| Density | 1.263g/cm3 |
| Flash Point | 119.9ºC |
Frequently Asked Questions
What is the CAS number of 2-(Thiophen-2-yl)propanoic acid?
The CAS number of 2-(Thiophen-2-yl)propanoic acid is 54955-39-4.
What are the molecular formula and molecular weight of 2-(Thiophen-2-yl)propanoic acid?
2-(Thiophen-2-yl)propanoic 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. "2-(Thiophen-2-yl)propanoic acid (CAS 54955-39-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1187017-5 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.