1-(3-(trifluoromethyl)benzenesulfonyl)proline

1-[(3-三氟甲基)苯磺酰基]脯氨酸

Also known as: 1-([3-(trifluoromethyl)phenyl]sulfonyl)-2-pyrrolidinecarboxylic acid, 1-[3-(trifluoromethyl)benzenesulfonyl]pyrrolidine-2-carboxylic acid, 1-[3-(trifluoromethyl)benzenesulphonyl]pyrrolidine-2-carboxylic acid, 1-[3-(trifluoromethyl)phenyl]sulfonylpyrrolidine-2-carboxylic acid, 1-[3-(trifluoromethyl)phenylsulfonyl]-L-proline, F3394-1123

1-(3-(trifluoromethyl)benzenesulfonyl)proline (CAS 251096-97-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H12F3NO4S and a molecular weight of 323.28800 g/mol. It is also known as 1-([3-(trifluoromethyl)phenyl]sulfonyl)-2-pyrrolidinecarboxylic acid, 1-[3-(trifluoromethyl)benzenesulfonyl]pyrrolidine-2-carboxylic acid and 1-[3-(trifluoromethyl)benzenesulphonyl]pyrrolidine-2-carboxylic acid. Key properties include a melting point of 107-108ºC, a boiling point of 460.6ºC at 760mmHg, a density of 1.519g/cm3 and a flash point of 232.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
251096-97-6
Jingsj CID
J-941334-4
Molecular Formula
C12H12F3NO4S
Chinese Name
1-[(3-三氟甲基)苯磺酰基]脯氨酸
Molecular Weight
323.28800 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point107-108ºC
Boiling Point460.6ºC at 760mmHg
Density1.519g/cm3
Flash Point232.3ºC

Frequently Asked Questions

What is the CAS number of 1-(3-(trifluoromethyl)benzenesulfonyl)proline?

The CAS number of 1-(3-(trifluoromethyl)benzenesulfonyl)proline is 251096-97-6.

What are the molecular formula and molecular weight of 1-(3-(trifluoromethyl)benzenesulfonyl)proline?

1-(3-(trifluoromethyl)benzenesulfonyl)proline has molecular formula C12H12F3NO4S and molecular weight 323.28800 g/mol.

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

Last updated:

How to cite: Jingsj. "1-(3-(trifluoromethyl)benzenesulfonyl)proline (CAS 251096-97-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-941334-4 (accessed 2026-10-25).

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