dl-allotereonine
structural formula
| business number | 03wp |
|---|---|
| molecular formula | c4h9no3 |
| molecular weight | 119.12 |
| label |
dl-2-amino-3-hydroxybutyric acid, dl-2-amino-3-hydroxybutyric acid |
numbering system
cas number:144-98-9
mdl number:mfcd00067248
einecs number:205-645-3
rtecs number:none
brn number:none
pubchem number:24900431
physical property data
1. characteristics: colorless fine crystals. slightly smelly.
2. density (g/ml,25/4 ℃): undetermined
3. relative vapor density (g/ml,air=1): undetermined
4. melting point (ºc):250-252
5. boiling point (ºc,normal pressure): undetermined
6. boiling point (ºc,5.2kpa): undetermined
7. refractive index: undetermined
8. flashpoint (ºc): undetermined
9. specific optical rotation (º): undetermined
10. autoignition point or ignition temperature (ºc): undetermined
11. vapor pressure (kpa,25ºc): undetermined
12. -2.9
2. hydrogen bonding number of donors: 3
3. hydrogen bonding number of receptors: 4
4. rotatable number of chemical bonds: 2
5. topological molecules polar surface area (tpsa）：83.6
6. heavy atoms quantity: 8
7. surface charge ：0
8. complexity ：93.3
9. isotope atomic number:0
10. determine the number of atomic stereocenters:0
11. uncertain number of atomic stereocenters:2
12. determine the number of stereocenters of chemical bonds:0
13. uncertain number of chemical bond stereocenters:0
14. number of covalent bond units: 1
properties and stability
stable under normal temperature and pressure.
storage method
seal and store in a dry and cool place.
synthesis method
none
purpose
biochemical research.
ang=en-us style=”font-size: 9pt; font-family: arial; mso-font-kerning: 0pt”>
8. complexity ：93.3
9. isotope atomic number:0
10. determine the number of atomic stereocenters:0
11. uncertain number of atomic stereocenters:2
12. determine the number of stereocenters of chemical bonds:0
13. uncertain number of chemical bond stereocenters:0
14. number of covalent bond units: 1
properties and stability
stable under normal temperature and pressure.
storage method
seal and store in a dry and cool place.
synthesis method
none
purpose
biochemical research.
0cm 0pt”> stable under normal temperature and pressure.
storage method
seal and store in a dry and cool place.
synthesis method
none
purpose
biochemical research.
