structural formula
| business number | 0376 |
|---|---|
| molecular formula | c11h12n2o3 |
| molecular weight | 220.23 |
| label |
dl-5-hydroxytryptophan, 5-hydroxy-dl-tryptophan, 2-amino-3-(5-hydroxy-1h-indol-3-yl)-propionic acid, biochemical reagents |
numbering system
cas number:114-03-4
mdl number:mfcd00005651
einecs number:204-039-6
rtecs number:yn7100000
brn number:none
pubchem id:none
physical property data
1. characteristics: white crystal
2. density (g/ml, 25℃): undetermined
3. relative vapor density (g/ml,air=1): undetermined
4. melting point (ºc）：291~ 294
5. boiling point (ºc,normal pressure):298～300℃(decomposed)
6. boiling point (ºc,kpa)：undetermined
7. refractive index （n20/d）：undetermined
8. flashpoint (ºc): undetermined
9. specific optical rotation (ºc): undetermined
10. autoignition point or ignition temperature (ºc): undetermined
11. vapor pressure (mmhg,38ºc): undetermined
12. saturated vapor pressure (kpa, ºc): 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 limit (%,v/v): undetermined
18. lower explosion limit (%,v/v): undetermined
19. solubility:easily soluble in water, isotonic saline and glucose solution, soluble in methanol, ethanol, glycerol.
toxicological data
1. acute toxicity: oral administration to mice ld5o: >6gm/kg
mouse intraperitoneally ld5o: 1080mg/kg
mouse intravenously ld5o: >400mg/kg
2. reproductive toxicity: intraperitoneally administered to female rats after fertilization tdlo: 100mg/kg
ecological data
none yet
molecular structure data
none yet
compute chemical data
1. reference value for hydrophobic parameter calculation (xlogp): none
2. number of hydrogen bond donors: 4
3. number of hydrogen bond acceptors: 4
4. number of rotatable chemical bonds: 3
5. number of tautomers: 9
6. topological molecule polar surface area 99.3
7. number of heavy atoms: 16
8. surface charge: 0
9. complexity: 272
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
for biochemical research.
an style=”mso-list: ignore”>2. reproductive toxicity: intraperitoneally administered to female rats after fertilization tdlo: 100mg/kg
ecological data
none yet
molecular structure data
none yet
compute chemical data
1. reference value for hydrophobic parameter calculation (xlogp): none
2. number of hydrogen bond donors: 4
3. number of hydrogen bond acceptors: 4
4. number of rotatable chemical bonds: 3
5. number of tautomers: 9
6. topological molecule polar surface area 99.3
7. number of heavy atoms: 16
8. surface charge: 0
9. complexity: 272
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
for biochemical research.
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