Infobox references. Tryptophan (abbreviated as Trp or W; encoded by the codon UGG) is an Î±-amino acid that is used in the biosynthesis of proteins. It contains an Î±-amino group, an Î±-carboxylic acid group, and a side chain indole, classifying it as a non-polar, aromatic amino acid.
toluene is a common name-The IUPAC name for toluene is methylbenzene.he use of this trivial form (acetate for ethanoic acid in general) is so common that this is called a retained IUPAC name.
Toluene is a colorless liquid with a sweet, strong odor. It is. used as a solvent, in aviation gasoline, and in making. chemicals, perfumes, medicines, dyes, explosives and. detergents. ïODOR THRESHOLD=2.5 ppm. ïOdor thresholds vary greatly. Do not rely on odor alone to.