(R)-4-Mercapto-2-pyrrolidone
(R)-4-巯基-2-吡咯烷酮
Also known as: (4R)-4-Mercapto-2-pyrrolidinone, (4R)-4-sulfanylpyrrolidin-2-one, 2-Pyrrolidinone,4-mercapto-,(4R)-, (R)-4-Mercaptopyrrolidin-2-one
(R)-4-Mercapto-2-pyrrolidone (CAS 157429-42-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C4H7NOS and a molecular weight of 117.170 g/mol. It is also known as (4R)-4-Mercapto-2-pyrrolidinone, (4R)-4-sulfanylpyrrolidin-2-one and 2-Pyrrolidinone,4-mercapto-,(4R)-. Key properties include a boiling point of 324.9±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 150.3±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 157429-42-0
- Jingsj CID
- J-1419937-4
- Molecular Formula
- C4H7NOS
- Chinese Name
- (R)-4-巯基-2-吡咯烷酮
- Molecular Weight
- 117.170 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 324.9±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 150.3±25.9 °C |
Frequently Asked Questions
What is the CAS number of (R)-4-Mercapto-2-pyrrolidone?
The CAS number of (R)-4-Mercapto-2-pyrrolidone is 157429-42-0.
What are the molecular formula and molecular weight of (R)-4-Mercapto-2-pyrrolidone?
(R)-4-Mercapto-2-pyrrolidone has molecular formula C4H7NOS and molecular weight 117.170 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(R)-4-Mercapto-2-pyrrolidone (CAS 157429-42-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1419937-4 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.