Tryptophan
Amino acid
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Tryptophan
is an α-amino acid that is used in the biosynthesis of proteins. Tryptophan contains an α-amino group, an α-carboxylic acid group, and a side chain indole, making it a polar molecule with a non-polar aromatic beta carbon substituent. Wikipedia
Formula: C11H12N2O2
3D model (JSmol): Interactive image; Zwitterion: Interactive image
Acidity (pKa): 2.38 (carboxyl), 9.39 (amino)
ATC code: N06AX02 (WHO)
Magnetic susceptibility (χ): -132.0·10−6 cm3/mol
Molar mass: 204.229 g·mol−1
Solubility: Soluble in hot alcohol, alkali hydroxides; insoluble in chloroform
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