Tryptophan (data page)

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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
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
0
0
0
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 PubChem 9060
  3. ^a PubChem 6305
General topics
By properties
Polar, uncharged
Positive charge (pKa)
Negative charge (pKa)
Other classifications
  • Biochemical families: carbohydrates
    • alcohols
    • glycoproteins
    • glycosides
  • lipids
    • eicosanoids
    • fatty acids / intermediates
    • phospholipids
    • sphingolipids
    • steroids
  • nucleic acids
    • constituents / intermediates
  • proteins
    • Amino acids / intermediates
  • tetrapyrroles / intermediates
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