cis-4-mercapto-L-proline
顺式-4-巯基-L-脯氨酸
Also known as: (2S,4S)-4-mercaptopyrrolidine-2-carboxylic acid, (2S,4S)-4-sulfanylpyrrolidine-2-carboxylic acid, L-Proline, 4-mercapto-, cis- (9CI), L-Proline, 4-mercapto-, (4S)-, Cis-4-mercapto-L-proline
cis-4-mercapto-L-proline (CAS 171189-35-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H9NO2S and a molecular weight of 147.19500 g/mol. It is also known as (2S,4S)-4-mercaptopyrrolidine-2-carboxylic acid, (2S,4S)-4-sulfanylpyrrolidine-2-carboxylic acid and L-Proline, 4-mercapto-, cis- (9CI). Key properties include a boiling point of 317.9ºC at 760 mmHg, a density of 1.32g/cm3 and a flash point of 146.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 171189-35-8
- Jingsj CID
- J-1042992-7
- Molecular Formula
- C5H9NO2S
- Chinese Name
- 顺式-4-巯基-L-脯氨酸
- Molecular Weight
- 147.19500 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 317.9ºC at 760 mmHg |
|---|---|
| Density | 1.32g/cm3 |
| Flash Point | 146.1ºC |
Frequently Asked Questions
What is the CAS number of cis-4-mercapto-L-proline?
The CAS number of cis-4-mercapto-L-proline is 171189-35-8.
What are the molecular formula and molecular weight of cis-4-mercapto-L-proline?
cis-4-mercapto-L-proline has molecular formula C5H9NO2S and molecular weight 147.19500 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "cis-4-mercapto-L-proline (CAS 171189-35-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1042992-7 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.