Ethyl (S)-2-(tosyloxy)propanoate

Also known as: Ethyl L-(-)-O-Tosyllactate, Ethyl (S)-2-(p-toluenesulfonyloxy)propionate, L-(-)-O-(p-Toluenesulfonyl)lactic acid ethyl ester, L-(-)-O-Tosyllactic acid ethyl ester, Ethyl (S)-2-(tosyloxy)propanoate, (S)-2-(Tosyloxy)propionic acid ethyl ester, Tosyllactic acid ethyl ester, L(-)Ethyl p-toluenesulfonyl lactate, (-)-(S)-Ethyl 2-[(p-tolylsulfonyl)oxy]propionate, (-)-2-O-(p-Tolylsulfonyl)-L-lactic acid ethyl ester, (S)-1-(ethoxycarbonyl)ethyl 4-methylbenzenesulfonate, ETHYL L(-)-O-(P-TOLUENESULFONYL)LACTATE, ETHYL L-(-)-O-(P-TOLUENESULFONYL)LACETATE, ETHYL L-(-)-O-TOSYLLACTATE, Ethyl (S)-2-(p-toluenesulfonyloxy)propanoate, ethyl (2S)-2-(p-tolylsulfonyloxy)propanoate, S-(-)-lactic acid ethyl ester p-toluenesulfonate

Ethyl (S)-2-(tosyloxy)propanoate (CAS 57057-80-4) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C12H16O5S and a molecular weight of 272.31700 g/mol. Key properties include a melting point of 32 °C, a boiling point of 384.321ºC at 760 mmHg, a density of 1.217 g/cm3 and a flash point of 32ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

57057-80-4

Jingsj CID

J-8520-1

Molecular Formula

C₁₂H₁₆O₅S

Molecular Weight

272.31700 g/mol

Category

Solvents

Last updated

8/21/2026