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
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 andnh3generates homocysteine.
purpose
for biochemical research.
in: 0cm 0cm 0pt 36pt; text-indent: -18pt; text-align: left; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt; mso-margin-top-alt: auto; mso-margin- bottom-alt: auto” align=left>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 andnh3generates homocysteine.
purpose
for biochemical research.
o-fareast-language: zh-cn; mso-bidi-language: ar-sa”>for biochemical research.
