n-acetyl-dl-tryptophan
structural formula
| business number | 01xu |
|---|---|
| molecular formula | c13h14n2o3 |
| molecular weight | 246.26 |
| label |
n-acetyl-dl-tryptophan, dl-α-n-acetamido-β-indolepropionic acid, dl-α-n-acetamido-β-indolepropionic acid, ac-dl-trp-oh, dl-α-n-acetylamino-β-indolylpropionic acid, dl-α-acetamido indol-3-propionic acid |
numbering system
cas number:87-32-1
mdl number:mfcd00005644
einecs number:201-739-3
rtecs number:none
brn number:89478
pubchem number:24891071
physical property data
1. properties: white flaky crystals. odorless.
2. density (g/ml, 25/4℃): undetermined
3. relative vapor density (g/ml, air=1): undetermined
4. melting point (ºc): 204-206
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 rotation (º): undetermined determined
10. autoignition point or ignition temperature (ºc): not determined
11. vapor pressure (kpa, 25ºc): not determined
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. log value of oil-water (octanol/water) partition coefficient: undetermined
17. explosion upper limit ( %, v/v): undetermined
18. lower explosion limit (%, v/v): undetermined
19. solubility: easily soluble in ether and sodium hydroxide solution, slightly soluble in ethanol.
toxicological data
none yet
ecological data
none yet
molecular structure data
1. molar refractive index: 67.12
2. molar volume (m3/mol): 185.1
3. isotonic specific volume (90.2k): 518.8
4. surface tension (dyne/cm): 61.6
5. polarizability (10-24cm3): 26.61
compute chemical data
1. reference value for hydrophobic parameter calculation (xlogp): none
2. number of hydrogen bond donors: 3
3. number of hydrogen bond acceptors: 3
4. number of rotatable chemical bonds: 4
5. number of tautomers: 2
6. topological molecule polar surface area 82.2
7. heavy number of atoms: 18
8. surface charge: 0
9. complexity: 332
10. number of isotope atoms: 0
11. determine the number of atomic stereocenters: 0
12. uncertain number of atomic stereocenters: 1
13. determine the number of chemical bond stereocenters: 0
14. number of uncertain chemical bond stereocenters: 0
15. number of covalent bond units: 1
properties and stability
none yet
storage method
none yet
synthesis method
none yet
purpose
biochemical research.
