Chemical Properties of DL-Cystine (CAS 923-32-0)

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)

InChI Key

LEVWYRKDKASIDU-UHFFFAOYSA-N

Formula

C6H12N2O4S2

SMILES

NC(CSSCC(N)C(=O)O)C(=O)O

Molecular Weight¹

240.30

CAS

923-32-0

Other Names

• Cystine, DL-

• C_p,gas : Ideal gas heat capacity (J/mol×K).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• IE : Ionization energy (eV).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• T_fus : Normal melting (fusion) point (K).
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Cheméo can also estimate Normal Boiling Point Temperature, Critical Temperature, Critical Pressure, Critical Volume, Enthalpy of vaporization at standard conditions, Standard Gibbs free energy of formation, Acentric Factor for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[241.13; 476.63]	J/mol×K	[273.00; 1000.00]	Joback Predicted correlation
Equation			Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is Cp,gas in J/mol×K, T in K
Coefficient A			5.54520e+01
Coefficient B			7.99780e-01
Coefficient C			-4.60600e-04
Coefficient D			8.20000e-08
Coefficient E			0.00000e+00
Temperature range, min.			273.00
Temperature range, max.			1000.00
Cp,gas	241.13	J/mol×K	273.00	Calculated Property
Cp,gas	284.38	J/mol×K	353.78	Calculated Property
Cp,gas	322.75	J/mol×K	434.56	Calculated Property
Cp,gas	356.51	J/mol×K	515.33	Calculated Property
Cp,gas	385.91	J/mol×K	596.11	Calculated Property
Cp,gas	411.21	J/mol×K	676.89	Calculated Property
Cp,gas	432.67	J/mol×K	757.67	Calculated Property
Cp,gas	450.56	J/mol×K	838.44	Calculated Property
Cp,gas	465.13	J/mol×K	919.22	Calculated Property
Cp,gas	476.63	J/mol×K	1000.00	Calculated Property

Similar Compounds

Find more compounds similar to DL-Cystine.

Sources

• Cheméo Relay (1.0)
• Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
• Crippen Method
• Crippen Method
• Joback Method
• McGowan Method
• NIST Webbook

Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.
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