l-leucylglycine
structural formula
| business number | 0791 |
|---|---|
| molecular formula | c8h16n2o3 |
| molecular weight | 188.22 |
| label |
l-leucylglycyl, l-leucyl tyrosine, l-leucylglycine, h-leu-gly-oh, amino acids, substrate for peptidase content determination |
numbering system
cas number:686-50-0
mdl number:mfcd00065940
einecs number:211-688-9
rtecs number:none
brn number:none
pubchem number:24896525
physical property data
1. appearance: white powder.
2. density (g/ml,25/4℃): undetermined
3. relative vapor density (g/ml,air=1): undetermined
4. melting point (ºc): undetermined
5. boiling point (ºc,normal pressure): undetermined
6. boiling point (ºc,5.2kpa): undetermined
7. refractive index: undetermined
8. flash point (ºc): undetermined
9. specific optical rotation (º): undetermined
10. autoignition point or ignition temperature (ºc): undetermined
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/logarial value of the partition coefficient of water: undetermined
17. explosion limit (%,v/v): undetermined
18. lower explosion limit (%,v/v): undetermined
19. solubility: undetermined .
toxicological data
none yet
ecological data
usually not harmful to water, do not discharge materials into the surrounding environment without government permission.
molecular structure data
1. molar refractive index: 47.75
2. molar volume(m3/mol）：165.5
3. isotonic ratio（90.2k）：429.0
4. surface tension（dyne/cm）：45.0
5. dielectric constant:
6. dipole moment（10 -24cm3)：
7. polarizability:18.93
compute chemical data
1. hydrophobic parameters calculate reference value (xlogp）：-2.3
2. hydrogen bonding number of donors: 3
3. hydrogen bonding number of receptors: 4
4. rotatable number of chemical bonds: 5
5. topological molecules polar surface area (tpsa): 92.4
6. heavy atoms quantity: 13
7. surface charge ：0
8. complexity ：192
9. isotope atomic number:0
10. determine the number of atomic stereocenters:0
11. uncertain number of stereocenters:0
12. determine the number of stereocenters of chemical bonds:0
13. uncertain chemical bonding number of structural centers:0
14. number of covalent bond units: 1
properties and stability
stable under normal temperature and pressure, away from oxides.
storage method
store in an airtight container and place store in a cool, dry place. store away from oxidizing agents. keep away from sources of fire. refrigeration.
synthesis method
none yet
purpose
substrate for determination of peptidase content.