d-erythroamine d-erythro-sphingosine
structural formula
| business number | 03h5 |
|---|---|
| molecular formula | c18h37no2 |
| molecular weight | 299.49 |
| label |
d-sphingosine, d-sphingosine, d-sphingosine (cow); sphingosine;, 4-sphingenine, trans-d-erythro-2-amino-4-octadecene-1,3-diol, aliphatic compounds |
numbering system
cas number:123-78-4
mdl number:mfcd00036751
einecs number:204-651-3
rtecs number:none
brn number:1727294
pubchem id:none
physical property data
properties: white needle-like crystals. sensitive to moisture and light.
melting point: 82.5~83
solubility: soluble in chloroform, ethanol, methanol and acetone, insoluble in water.
toxicological data
none yet
ecological data
none yet
molecular structure data
5. molecular property data:
1. molar refractive index: 92.02
2. molar volume (m3/mol): 318.7
3. isotonic specific volume (90.2k):792.7
4. surface tension (dyne/cm):38.2
5. polarizability（10-24cm3):36.47
compute chemical data
1. reference value for hydrophobic parameter calculation (xlogp): 5.3
2. number of hydrogen bond donors: 3
3. number of hydrogen bond acceptors: 3
4. number of rotatable chemical bonds: 15
5. number of tautomers: none
6. topological molecule polar surface area 66.5
7. number of heavy atoms: 21
8. surface charge: 0
9. complexity: 231
10. number of isotope atoms: 0
11. determine the number of atomic stereocenters: 2
12. uncertain number of atomic stereocenters: 0
13. determine the number of chemical bond stereocenters: 1
14. number of uncertain chemical bond stereocenters: 0
15. number of covalent bond units: 1
properties and stability
none yet
storage method
seal and store in a dry place below 0 degrees celsius and away from light.
synthesis method
none yet
purpose
biochemical research