4-Hydroxy-1-[(4-methylphenyl)sulfonyl]-2-pyrrolidinecarboxylic acid

4-羟基-1-(甲苯-4-磺酰基)-吡咯烷-2-羧酸

Also known as: 4-HYDROXY-1-(TOLUENE-4-SULFONYL)-PYRROLIDINE-2-CARBOXYLIC ACID, 4-Hydroxy-1-tosylpyrrolidine-2-carboxylic acid, 4-hydroxy-1-(toluene-4-sulfonyl)-pyrrolidine-2-carboxylic acid, AKOS 90624, N-Tosyl-allo-4-hydroxy-L-prolin, N-Tosyl-cis-4-hydroxy-L-prolin, Proline, 4-allo-hydroxy-1-(p-tolylsulfonyl)-, L- (7CI,8CI), TIMTEC-BB SBB012252, cis-4-Hydroxy-N-p-toluolsulfonyl-prolin, (4S)-4-Hydroxy-1-[(4-methylphenyl)sulfonyl]-L-proline

4-Hydroxy-1-[(4-methylphenyl)sulfonyl]-2-pyrrolidinecarboxylic acid (CAS 16257-64-0) 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 4-HYDROXY-1-(TOLUENE-4-SULFONYL)-PYRROLIDINE-2-CARBOXYLIC ACID, 4-Hydroxy-1-tosylpyrrolidine-2-carboxylic acid and 4-hydroxy-1-(toluene-4-sulfonyl)-pyrrolidine-2-carboxylic acid. Key properties include a melting point of 157-159ºC, 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.
16257-64-0
Jingsj CID
J-1088159-2
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

Melting Point157-159ºC
Boiling Point522.5ºC at 760 mmHg
Density1.481g/cm3
Flash Point269.8ºC

Frequently Asked Questions

What is the CAS number of 4-Hydroxy-1-[(4-methylphenyl)sulfonyl]-2-pyrrolidinecarboxylic acid?

The CAS number of 4-Hydroxy-1-[(4-methylphenyl)sulfonyl]-2-pyrrolidinecarboxylic acid is 16257-64-0.

What are the molecular formula and molecular weight of 4-Hydroxy-1-[(4-methylphenyl)sulfonyl]-2-pyrrolidinecarboxylic acid?

4-Hydroxy-1-[(4-methylphenyl)sulfonyl]-2-pyrrolidinecarboxylic 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. "4-Hydroxy-1-[(4-methylphenyl)sulfonyl]-2-pyrrolidinecarboxylic acid (CAS 16257-64-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1088159-2 (accessed 2026-10-23).

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