Wikipedia:  

L-Tryptophan

(S)-alpha-Amino-1H-indole-3-propanoic acid; Trofan; 1H-Indole-3-alanine; alpha'-Amino-3-indolepropionic acid; (S)-alpha-Amino-beta-(3-indolyl)-propionic acid; L-Trp; L-Tryptophan; (L)-TRYPTOPHAN; Triptofano [Spanish]; (S)-Tryptophan; Tryptophanum [Latin]
Molecular Formula
C11 H12 N2 O2
Natural Isotopic Abundance Mass
204.2251800000
Mono-Isotopic Molecular Masses
C12N14:   204.08987764
C13N14:   215.126780856
C12N15:   206.083947426
C13N15:   217.120850642
L-Tryptophan image
L-Tryptophan
InCHi String:
InChI=1S/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-/m0/s1

isomeric SMILES:
C1=CC=C2C(=C1)C(=CN2)C[C@@H](C(=O)O)N
canonical SMILES:
C1=CC=C2C(=C1)C(=CN2)CC(C(=O)O)N


IUPAC: IUPAC traditional: IUPAC cas: IUPAC openeye: IUPAC systematic
(2S)-2-amino-3-(1H-indol-3-yl)propanoic acid



PubChem Substance (SID):   85164898   149244   3378
PubChem Compound (CID):   6305
KEGG: Compound ID   C00078
CAS Registry IDs:   6912-86-3   73-22-3   80206-30-0
PDB Chemical Component   LTR   TRP   TRP_LFOH   TRP_LFZW
Miscellaneous Databases and IDs:   CHEBI 16828   NSC 13119   CCRIS 617   EINECS 200-795-6   HSDB 4142

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.