4-(thiophen-2-yl)pyrrolidin-2-one
4-(噻吩-2-基)吡咯烷-2-酮
Also known as: 2-Pyrrolidinone, 4-(2-Thienyl), 4-(2-thienyl)pyrrolidin-2-one, 4-(2-thienyl)-2-Pyrrolidinone, 4-(Thiophen-2-yl)pyrrolidin-2-one, 4-thien-2'-yl-GABA-lactam, 4-thiophen-2-ylpyrrolidin-2-one, F2147-0757
4-(thiophen-2-yl)pyrrolidin-2-one (CAS 88221-12-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9NOS and a molecular weight of 167.22800 g/mol. It is also known as 2-Pyrrolidinone, 4-(2-Thienyl), 4-(2-thienyl)pyrrolidin-2-one and 4-(2-thienyl)-2-Pyrrolidinone. Key properties include a melting point of 87.5 °C, a boiling point of 382.7±35.0 °C(Predicted) and a density of 1.239±0.06 g/cm3(Predicted). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 88221-12-9
- Jingsj CID
- J-1058695-4
- Molecular Formula
- C8H9NOS
- Chinese Name
- 4-(噻吩-2-基)吡咯烷-2-酮
- Molecular Weight
- 167.22800 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 87.5 °C |
|---|---|
| Boiling Point | 382.7±35.0 °C(Predicted) |
| Density | 1.239±0.06 g/cm3(Predicted) |
Frequently Asked Questions
What is the CAS number of 4-(thiophen-2-yl)pyrrolidin-2-one?
The CAS number of 4-(thiophen-2-yl)pyrrolidin-2-one is 88221-12-9.
What are the molecular formula and molecular weight of 4-(thiophen-2-yl)pyrrolidin-2-one?
4-(thiophen-2-yl)pyrrolidin-2-one has molecular formula C8H9NOS and molecular weight 167.22800 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-(thiophen-2-yl)pyrrolidin-2-one (CAS 88221-12-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1058695-4 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.