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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 351663Generated: October 24, 2026

Methionine methyl ester

Einecs 256-133-1 · methyl DL-methionate

https://huagongshe.com/en/chemical/351663

Methionine methyl ester molecular structure

Identifiers & Physical Properties

CAS No.21691-49-6
Molecular formulaC6H13NO2S
Average molar mass163.24 g/mol
Monoisotopic mass163.06669983 g/mol
SMILESCOC(=O)C(N)CCSC
InChIKeyUIHPNZDZCOEZEN-UHFFFAOYSA-N
PubChem CID351663
EC No.256-133-1
DTXSIDDTXSID501366410

Chemical & Physical Properties

XLogP0.2
Topological polar surface area77.6
Hydrogen bond donors1
Hydrogen bond acceptors4
Rotatable bonds5
Heavy atoms10
Formal charge0
Complexity108
Boiling point240.035±30.00 °C(Press: 760.00 Torr)(predicted)
Density1.095±0.06 g/cm3(Temp: 25 °CPress: 760 Torr)(predicted)
pKa (acidity coefficient)6.958±0.35(predicted)