Tryptophan

amino-acid

(S)-2-amino-3-(1H-indol-3-yl)propanoic acid

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About

An essential amino acid with an indole ring. Precursor to serotonin and melatonin. Often cited as causing post-meal drowsiness.

Molecular Properties

Formula
C11H12N2O2
Molecular Weight
204.23 g/mol
SMILES
N[C@@H](Cc1c[nH]c2ccccc12)C(=O)O