Tryptophan (data page)

The complete data for Tryptophan

General information

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/AMain hazards:
- N/A
NFPA 704
Flammability (red): no hazard codeHealth (blue): no hazard codeReactivity (yellow): no hazard codeSpecial hazards (white): no code
Flash point
- N/A
 R/S statement
R: N/A
S: N/A
RTECS number:
N/A
Chemical properties
XLogP: -1.3pI: 5.89pKa: 2.38, 9.34Tautomers: 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
  1. ^a 73-22-3 EINECS for Tryptophan
  2. ^a CID 9060 from PubChem
  3. ^a CID 6305 from PubChem
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