L-(+)-Cysteine

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Properties Simple | Detailed

Formula C3H7NO2S
IUPAC Name (2r)-2-amino-3-sulfanyl-propanoic acid
Molecular Mass 121.158 g·mol−1
Heat of Formation -355.0 ± 16.7 kJ·mol−1
Dipole Moment 1.56 ± 1.08 D
Volume 141.26 Å 3
Surface Area 146.27 Å 2
HOMO Energy -9.13 ± 0.55 eV
LUMO Energy 2.43 ± eV
Point Group Symmetry C1
Synonyms
  • (2r)-2-amino-3-mercapto-propionic acid
  • (2r)-2-amino-3-mercaptopropanoic acid
  • (2r)-2-amino-3-sulfanyl-propanoic acid
  • (2r)-2-amino-3-sulfanylpropanoic acid
  • (r)-(+)-cysteine
  • (r)-2-amino-3-mercaptopropanoic acid
  • (r)-2-amino-3-mercaptopropionic acid
  • (r)-cysteine
  • 2-amino-3-mercapto-, (r)-
  • 2-amino-3-mercaptopropanoic acid, (r)-
  • alpha-amino-beta-mercaptopropanoic acid, l-
  • alpha-amino-beta-mercaptopropionic acid, l-
  • alpha-amino-beta-thiolpropionic acid
  • alpha-amino-beta-thiolpropionic acid, l-
  • beta-mercaptoalanine
  • beta-mercaptoalanine, l-
  • cisteina [spanish]
  • cisteinum [latin]
  • cys nh3+ cooh
  • cystein
  • cysteine, l-
  • d00026
  • e 920
  • ecolan
  • fcy
  • free cysteine
  • half cystine
  • half-cystine
  • l cysteine
  • l-2-amino-3-mercaptopropanoic acid
  • l-2-amino-3-mercaptopropionic acid
  • l-alanine, 3-mercapto-
  • l-cys
  • l-cystein
  • l-cysteine (jan)
  • l-cysteine, homopolymer
  • l-zystein
  • polycysteine
  • propanoic acid, 2-amino-3-mercapto-, (r)-
  • propanoic acid, 2-amino-3-mercapto-, (r)-
  • thioserine
CAS Number(s)
  • 62488-11-3
InChIKey XUJNEKJLAYXESH-REOHCLBHSA-N
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