L-Cystine

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Properties Simple | Detailed

Formula C6H12N2O4S2
IUPAC Name (2r)-2-amino-3-[[(2r)-2-amino-2-carboxy-ethyl]disulfanyl]propanoic acid
Molecular Mass 240.300 g·mol−1
Heat of Formation -726.6 ± 16.7 kJ·mol−1
Dipole Moment 4.27 ± 1.08 D
Volume 266.4 Å 3
Surface Area 248.99 Å 2
HOMO Energy -9.22 ± 0.55 eV
LUMO Energy -1.55 ± eV
Point Group Symmetry C1
Synonyms
  • (2r)-2-amino-3-[(2r)-2-amino-3-hydroxy-3-keto-propyl]disulfanyl-propionic acid
  • (2r)-2-amino-3-[(2r)-2-amino-3-hydroxy-3-oxo-propyl]disulfanyl-propanoic acid
  • (2r)-2-amino-3-[(2r)-2-amino-3-hydroxy-3-oxopropyl]disulfanylpropanoic acid
  • (2r,2'r)-3,3'-disulfanediylbis(2-aminopropanoic acid)
  • (r,r)-3,3'-dithiobis(2-aminopropanoic acid)
  • (r,r)-3,3'-dithiobis(2-aminopropionicacid)
  • 2-amino-3-(2-amino-2-carboxy-ethyl)disulfanyl-propanoic acid
  • 3,3'-dithiobis-l-alanine
  • bis(beta-amino-beta-carboxyethyl) disulfide
  • cystine (usan)
  • cystine d-form
  • cystine, d-
  • cystine, l- (8ci)
  • cystine,d
  • d-cystine
  • d03636
  • gelucystine
  • l-alpha-diamino-beta-dithiolactic acid
  • l-cystine (9ci)
  • l-dicysteine
CAS Number(s)
  • 56-89-3
  • 349-46-2
InChIKey LEVWYRKDKASIDU-IMJSIDKUSA-N
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