Ethyl Methanesulfonate (CAS 62-50-0) Sigma-Aldrich

Ethyl Methanesulfonate molecular structure — Molecular structure

The Sigma-Aldrich catalog lists 6 grades and pack sizes of Ethyl Methanesulfonate (CAS 62-50-0). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS	62-50-0
Molecular formula	C3H8O3S
Molecular weight	124.15 g/mol
IUPAC name	ethyl methanesulfonate
Synonyms	Ethyl mesylate · Ethyl methanesulphonate · Half-myleran · Methanesulfonic acid, ethyl ester · Ethyl methansulphonate · Methylsulfonic acid, ethyl ester

Safety & Hazards (GHS) Danger

Irritant

Health hazard

H302 Harmful if swallowed
H340 May cause genetic defects
H351 Suspected of causing cancer

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand	Product / grade	Code
Sigma	ETHYL METHANESULFONATE	72945-120MG	Request Quote
Sigma	METHANESULFONIC ACID ETHYL ESTER	M0880-100G M0880-10G M0880-1G M0880-25G M0880-5G	Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.