(2S,4R)-4-hydroxy-1-[(4-methylphenyl)sulfonyl]pyrrolidine-2-carboxylic acid

4-羟基-1-(甲苯-4-磺酰基)-吡咯烷-2-羧酸

Also known as: (2S,4R)-4-Hydroxy-1-tosylpyrrolidine-2-carboxylic acid, trans-4-Hydroxy-1-tosyl-L-proline, N-tosyl-trans-4-hydroxy-L-proline, 1-(4-Tolylsulfonyl)-4-hydroxy-L-proline, (2S,4R)-4-Hydroxy-N-tosylproline, 4-Hydroxy-1-[(4-methylphenyl)sulfonyl]-2-pyrrolidinecarboxylic acid, AKOS 90624, TIMTEC-BB SBB012252

(2S,4R)-4-hydroxy-1-[(4-methylphenyl)sulfonyl]pyrrolidine-2-carboxylic acid (CAS 20275-18-7) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C12H15NO5S and a molecular weight of 285.31600 g/mol. It is also known as (2S,4R)-4-Hydroxy-1-tosylpyrrolidine-2-carboxylic acid, trans-4-Hydroxy-1-tosyl-L-proline and N-tosyl-trans-4-hydroxy-L-proline. Key properties include a boiling point of 522.5ºC at 760 mmHg, a density of 1.481g/cm3 and a flash point of 269.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
20275-18-7
Jingsj CID
J-1002092-4
Molecular Formula
C12H15NO5S
Chinese Name
4-羟基-1-(甲苯-4-磺酰基)-吡咯烷-2-羧酸
Molecular Weight
285.31600 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point522.5ºC at 760 mmHg
Density1.481g/cm3
Flash Point269.8ºC

Frequently Asked Questions

What is the CAS number of (2S,4R)-4-hydroxy-1-[(4-methylphenyl)sulfonyl]pyrrolidine-2-carboxylic acid?

The CAS number of (2S,4R)-4-hydroxy-1-[(4-methylphenyl)sulfonyl]pyrrolidine-2-carboxylic acid is 20275-18-7.

What are the molecular formula and molecular weight of (2S,4R)-4-hydroxy-1-[(4-methylphenyl)sulfonyl]pyrrolidine-2-carboxylic acid?

(2S,4R)-4-hydroxy-1-[(4-methylphenyl)sulfonyl]pyrrolidine-2-carboxylic acid has molecular formula C12H15NO5S and molecular weight 285.31600 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "(2S,4R)-4-hydroxy-1-[(4-methylphenyl)sulfonyl]pyrrolidine-2-carboxylic acid (CAS 20275-18-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1002092-4 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.