Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Ethyl L-(-)-O-Tosyllactate
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: L-(-)-O-Tosyllactic acid ethyl ester
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

57057-80-4

57057-80-4 structure

57057-80-4 structure

Name: Ethyl L-(-)-O-Tosyllactate
Chemical Name: l-(-)-o-tosyllactic acid ethyl ester
CAS Number: 57057-80-4
Molecular Formula: C₁₂H₁₆O₅S
Molecular Weight: 272.31700
Catalog: Chemical reagent Organic reagent Tosylate
Create Date: 2018-12-31 23:40:09
Modify Date: 2025-08-25 12:20:39

Name	l-(-)-o-tosyllactic acid ethyl ester
Synonyms	ethyl (2S)-2-(p-tolylsulfonyloxy)propanoate ethyl (S)-2-[[(4-methylphenyl)sulfonyl]oxy]propanoate (-)-2-O-(p-Tolylsulfonyl)-L-lactic acid ethyl ester L-(-)-O-(P-TOLUENESULFONYL)LACTIC ACID ETHYL ESTER Ethyl (S)-2-(p-toluenesulfonyloxy)propionate ETHYL L(-)-O-(P-TOLUENESULFONYL)LACTATE S-(-)-lactic acid ethyl ester p-toluonesulfonate ETHYL L-(-)-O-(P-TOLUENESULFONYL)LACETATE [S,(-)]-2-[(p-Tolylsulfonyl)oxy]propionic acid ethyl ester ethyl (S)-2-(p-toluenesulfonyloxy)propanoate Tosyllacticacidethylester (-)-(S)-Ethyl 2-<(p-tolylsulfonyl)oxy>propionate L(-)ETHYL P-TOLUENESULFONYL LACTATE (S)-1-(ethoxycarbonyl)ethyl 4-methylbenzenesulfonate (S)-2-(Tosyloxy)propionic acid ethyl ester ETHYL L-(-)-O-TOSYLLACTATE

Density	1.217 g/cm3
Boiling Point	384.321ºC at 760 mmHg
Melting Point	32 °C
Molecular Formula	C₁₂H₁₆O₅S
Molecular Weight	272.31700
Flash Point	32ºC
Exact Mass	272.07200
PSA	78.05000
LogP	2.73270
Index of Refraction	-36.5 ° (C=5, CHCl3)

HS Code	2918990090

687-47-8 structure

687-47-8

98-59-9 structure

98-59-9

~99%

57057-80-4 structure

57057-80-4

Literature: Imfeld, Marquard; Suchy, Milos; Vogt, Peter; Lukac, Teodor; Schlageter, Markus; Widmer, Erich Helvetica Chimica Acta, 1982 , vol. 65, # 4 p. 1233 - 1241

98-59-9 structure

98-59-9

~%

57057-80-4 structure

57057-80-4

Literature: Journal of the Chemical Society, , vol. 127, p. 412

HS Code	2918990090
Summary	2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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