Ethyl (S)-2-(tosyloxy)propanoate

L-(-)-O-对甲苯磺酰乳酸乙酯

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

CAS No.
57057-80-4
Jingsj CID
J-8520-5
Molecular Formula
C12H16O5S
Chinese Name
L-(-)-O-对甲苯磺酰乳酸乙酯
Molecular Weight
272.31700 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Melting Point32 °C
Boiling Point384.321ºC at 760 mmHg
Density1.217 g/cm3
Flash Point32ºC

Frequently Asked Questions

What is the CAS number of Ethyl (S)-2-(tosyloxy)propanoate?

57057-80-4

What are the molecular formula and molecular weight of Ethyl (S)-2-(tosyloxy)propanoate?

C12H16O5S, molecular weight 272.31700 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026