L-cystathionine
Structural formula
Business number | 0182 |
---|---|
Molecular formula | C7H14N2O4S |
Molecular weight | 222.26 |
label |
(R)-S-(2-amino-2-carboxyethyl)-L-cysteine, (R)-S-(2-Amino-2-carboxyethyl)-L-homocysteine |
Numbering system
CAS number:56-88-2
MDL number:MFCD00036685
EINECS number:200-295-8
RTECS number:None
BRN number:2505200
PubChem number:24892965
Physical property data
1. Character: Crystal.
2. Density (g/mL,25/4℃) : Undetermined
3. Relative vapor density (g/mL,AIR=1): Undetermined
4. Melting point (ºC): 240 ~250℃(262~263℃).
5. Boiling point (ºC,Normal pressure): Undetermined
6. Boiling point (ºC,5.2kPa): undetermined
7. Refractive index: not OK
8. Flashpoint (ºC): Undetermined
9. Specific optical rotation ( º): Undetermined
10. Spontaneous ignition point or ignition Combustion temperature (ºC): not OK
11. Vapor Pressure (kPa,25ºC): Undetermined
12. Saturated vapor pressure (kPa,60ºC): Undetermined
13. Heat of combustion (KJ/mol): Undetermined
14. Critical temperature (ºC): Undetermined
15. Critical Pressure (KPa): Undetermined
16. Oil and water (octanol /Water) partition coefficient pair Value: Undetermined
17. Explosion limit (%,V/V): Undetermined
18. Lower explosion limit (%,V/V): not OK
19. Solubility: Not available Sure.
Toxicological data
None yet
Ecological data
None yet
Molecular structure data
5. Molecular property data:
1. Molar refractive index: 52.59
2. Molar volume (m3/mol):155.4
3. Isotonic specific volume (90.2K):457.7
4. Surface Tension (dyne/cm):75.2
5. Polarizability(10-24cm3): 20.84
Compute chemical data
1. Reference value for hydrophobic parameter calculation (XlogP): -6
2. Number of hydrogen bond donors: 4
3. Number of hydrogen bond acceptors: 6
4. Number of rotatable chemical bonds: 7
5. Number of tautomers:
6. Topological molecular polar surface area (TPSA):127
7. Number of heavy atoms: 14
8. Surface charge: 0
9. Complexity: 212
10. Number of isotope atoms: 0
11. Determine the number of atomic stereocenters: 2
12. The number of uncertain atomic stereocenters: 0
13. Determine the number of stereocenters of chemical bonds: 0
14. Uncertain number of chemical bond stereocenters: 0
15. Number of covalent bond units: 1
Properties and stability
None yet
Storage method
This product should be kept sealed.
Synthesis method
Generated by the interaction of o-succinyl homoserine and cysteine. Cystathionine is cystathionine beta–Lyase removes pyruvate and NH3generates homocysteine.
Purpose
For biochemical research.
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