L-Cysteine(aq)
Formation Gibbs Energy
Estimated ΔfG'm -72.2 ± 5.8 [kJ/mol]    Enter custom concentration »
Estimated ΔfG'° -55.1 ± 5.8 [kJ/mol]
Estimated using Component Contribution (2013)
pH
Ionic strength [M]
General Properties
Formula C3H7NO2S
Common names L-Cysteine; L-2-Amino-3-mercaptopropionic acid; Cysteine; C00097
Molar Mass 121.02 [Da]
Structure
Links KEGG »
Species Formation Energies
Phase Net charge #Hydrogens Δf [kJ/mol] ΔfG'° [kJ/mol] Reference
aqueous -2 5 -229.2 -28.9 Component Contribution (2013)
aqueous -1 6 -287.2 -44.6
aqueous 0 7 -338.9 -55.0
aqueous 1 8 -352.3 -28.5
aqueous -1 6 -291.0 -48.3 Alberty (2003)
aqueous 0 7 -338.8 -55.0