CAS: 73-22-3 Molecular Formula: C11 H12 N2 O2 Molecular Weight (g/mol): 204.23 Synonym: L-Tryptophan,(-)-Tryptophan,(2S)-2-Amino-3-(1H-indol-3-yl)propanoic acid,(S)-α-Amino-β-indolepropionic acid,(S)-α-Amino-1H-indole-3-propanoic acid,(S)-α-Aminoindole-3-propionic acid,(S)-Tryptophan,1H-Indole-3-alanine, (S)-,1H-Indole-3-propanoic acid, α-amino-, (S)-,2-Amino-3-indolylpropanoic acid,3-Indol-3-ylalanine,EH 121,L-(-)-Tryptophan,3-(1H-Indol-3-yl)-L-alanine,L-Tryptophane,Lyphan,NSC 13119,Secretory peptide (human clone HCQCJ56 precursor),Tryptophan,Tryptophane,h-Trp-oh,l-α-Aminoindole-3-propionic acid,l-β-3-Indolylalanine IUPAC Name: (2S)-2-amino-3-(1H-indol-3-yl)propanoic acid SMILES: N[C@@H](Cc1c[nH]c2ccccc12)C(=O)O