Tryptophan (data page)

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The complete data for Tryptophan
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L-tryptophan-skeletal.png L-tryptophan-3D-sticks.png
General information
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Chemical formula: C11H12N2O2 
Molar mass: 204.23 g·mol-1
Systematic name:
(S)-2-Amino-3-(1H-indol-3-yl)-propanoic acid
Abbreviations: W, Trp
Synonyms:
none
Database data
SMILES: C(N)(C(=O)O)CC1c2ccccc2NC=1
InChI=1/C11H12N2O2/c12-9(11(14)15)5-7-6-13-10-4-2-1-3-8(7)10/h1-4,6,9,13H,5,12H2,(H,14,15)/t9-/m1/s1/f/h14H 1/C3H7NO2/c1-2(4)3(5)6/h2H,4H2,1H3,(H,5,6)/f/h5H
 ATC: N/A  CAS: 73-22-3  DrugBank: N/A  EINECS:
200-795-6 a
 PubChem: 9060 (D)a, 6305 (L)a
Physical properties
Structure
Crystal data
Spectral data
UV-Vis
IR
NMR
MS
- Masses of main fragments:
GMD MS Spectrum
Phase behavior
Solid properties
ρsolid: 1.34 g.cm-3
Tm: 228 °C
Liquid properties
Gas properties
Hazard properties
MSDS N/A Main hazards:
- N/A
NFPA 704
Flammability (red): no hazard code Health (blue): no hazard code Reactivity (yellow): no hazard code Special hazards (white): no codeNFPA 704 four-colored diamond
Flash point
- N/A
R/S statement
R: N/A
S: N/A
RTECS number:
N/A
Chemical properties
XLogP: -1.3 pI: 5.89 pKa: 2.38, 9.34 Tautomers: Hydrogen bond: donor - 3;  acceptor - 4
Pharmacological properties
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)


References[edit]

  1. ^a 73-22-3 EINECS for Tryptophan
  2. ^a PubChem 9060
  3. ^a PubChem 6305