L(-)-Methanesulfonyl ethyl lactate

Also known as: Ethyl (2S)-2-(methylsulfonyloxy)propanoate, Ethyl L(-)-lactate mesylate, Ethyl L(-)-methanesulfonyllactate, L(-)-Methanesulfonylethyllactate, (2S)-2-Methylsulfonyloxypropanoic acid ethyl ester

L(-)-Methanesulfonyl ethyl lactate (CAS 63696-99-1) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C6H12O5S and a molecular weight of 195.21400 g/mol. Key properties include a boiling point of 103-105ºC (0.2 mmHg), a density of 1.31 and a flash point of 137.6ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.: 63696-99-1
Jingsj CID: J-27809-6
Molecular Formula: C₆H₁₂O₅S
Molecular Weight: 195.21400 g/mol
Category: Esters
Last updated: 11/2/2026

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Physicochemical Properties

Boiling Point	103-105ºC (0.2 mmHg)
Density	1.31
Flash Point	137.6ºC
Exact Mass	195.03300
PSA	102.88000
Refractive Index	1.5060 (estimate)

Customs & Trade Information

HS Code	2915900090
Summary	2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of L(-)-Methanesulfonyl ethyl lactate?

The CAS number of L(-)-Methanesulfonyl ethyl lactate is 63696-99-1.

What are the molecular formula and molecular weight of L(-)-Methanesulfonyl ethyl lactate?

L(-)-Methanesulfonyl ethyl lactate has molecular formula C6H12O5S and molecular weight 195.21400 g/mol.

What are the upstream and downstream products of L(-)-Methanesulfonyl ethyl lactate?

For L(-)-Methanesulfonyl ethyl lactate, Downstream Products: ethyl (2R)-2-hydroxypropanoate, fenoxaprop-ethyl, (−)-Ethyl L-lactate.

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

Last updated: 11/2/2026

How to cite: Jingsj. "L(-)-Methanesulfonyl ethyl lactate (CAS 63696-99-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27809-6 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.