Chemical Properties of Cystine (CAS 56-89-3)

Cystine

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InChI
InChI=1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m1/s1
InChI Key
LEVWYRKDKASIDU-QWWZWVQMSA-N
Formula
C6H12N2O4S2
SMILES
NC(CSSCC(N)C(=O)O)C(=O)O
Molecular Weight1
240.30
CAS
56-89-3
Other Names
  • (-)-Cystine
  • (R-(R*,R*))-3,3'-Dithiobis(2-aminopropanoic acid)
  • 3,3'-Dithiobis(2-aminopropanoic acid)
  • 3,3'-Dithiobis(2-aminopropionic acid)
  • 3,3'-Dithiodialanine
  • 3,3'-dithiobis-L-alanine
  • Alanine, 3,3'-dithiobis-
  • Alanine, 3,3'-dithiodi-
  • Bis(«beta»-amino-«beta»-carboxyethyl) disulfide
  • Cysteine disulfide
  • Cystin
  • Cystine acid
  • Cystine, L-
  • Dicysteine
  • L-3,3'-dithiodialanine
  • L-Alanine, 3,3'-dithiobis-
  • L-Cysteine disulfide
  • L-Cystin
  • L-cystine
  • NSC 13203
  • Oxidized L-cysteine
  • Propanoic acid, 3,3'-dithiobis(2-amino-, (R-(R*,R*))-
  • «beta»,«beta»'-Diamino-«beta»,«beta»'-dicarboxydiethyl disulfide
  • «beta»,«beta»'-Dithiobisalanine
  • «beta»,«beta»'-Dithiodialanine
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Physical Properties

Property Value Unit Source
Δcsolid [-4248.00; -4158.20] kJ/mol Show Hide
Δcsolid -4248.00 ± 3.80 kJ/mol NIST
Δcsolid -4230.00 ± 3.80 kJ/mol NIST
Δcsolid -4201.20 kJ/mol NIST
Δcsolid -4158.20 kJ/mol NIST
Δf -337.58 kJ/mol Joback Calculated Property
Δfgas -556.03 kJ/mol Joback Calculated Property
Δfsolid -1105.00 kJ/mol NIST
Δfus 34.28 kJ/mol Joback Calculated Property
Δvap 109.94 kJ/mol Joback Calculated Property
log10WS -0.38 Crippen Calculated Property
logPoct/wat -0.808 Crippen Calculated Property
McVol 162.940 ml/mol McGowan Calculated Property
Pc 5739.21 kPa Joback Calculated Property
solid,1 bar [280.58; 286.60] J/mol×K Show Hide
solid,1 bar 280.58 J/mol×K NIST
solid,1 bar 286.60 J/mol×K NIST
Tboil 910.52 K Joback Calculated Property
Tc 1133.18 K Joback Calculated Property
Tfus 584.20 K Joback Calculated Property
Vc 0.576 m3/kmol Joback Calculated Property

Temperature Dependent Properties

Property Value Unit Temperature (K) Source
Cp,gas [458.08; 481.31] J/mol×K [910.52; 1133.18] Show Hide
Cp,gas 458.08 J/mol×K 910.52 Joback Calculated Property
Cp,gas 463.72 J/mol×K 947.63 Joback Calculated Property
Cp,gas 468.63 J/mol×K 984.74 Joback Calculated Property
Cp,gas 472.85 J/mol×K 1021.85 Joback Calculated Property
Cp,gas 476.36 J/mol×K 1058.96 Joback Calculated Property
Cp,gas 479.17 J/mol×K 1096.07 Joback Calculated Property
Cp,gas 481.31 J/mol×K 1133.18 Joback Calculated Property
Cp,solid [261.92; 268.60] J/mol×K [297.30; 298.15] Show Hide
Cp,solid 268.60 J/mol×K 297.30 NIST
Cp,solid 261.92 J/mol×K 298.15 NIST

Similar Compounds

DL-Cystine. L-Cysteine. dl-Cysteine. S-Methyl-L-cysteine. d4-Cystine, tri-TMS. Cystine, tri-TMS. L-Cystine, N,N'-bis(trimethylsilyl)-, bis(trimethylsilyl) ester. L-Cysteine, N-acetyl-. Cysteine, s-(diphenylmethyl)-l-. 3,3'-Dithiobis[2-amino-n-(2-naphthyl)propionamide]. L-Cystine, N,N1-bis(tert-butyldimethylsilyl)-, bis(tert-butyldimethylsilyl) ester. l-Cysteine, trimethylsilyl ester. ([(2-Amino-2-carboxyethyl)sulfanyl]methyl)cysteine. Cysteine, n-octyl-. Alanine, n,n'-(dithiodiethylene)di-.

Find more compounds similar to Cystine.

Mixtures

Sources

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