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 (C7H8 (C6H5CH3)), is an aromatic hydrocarbo â¦ n, and it's molecule is shaped in a ring. It's very flamable, and it's vapors are toxic. It is also known as methylbenzene or phenylmethane, and it won't dissolve in water.   A link is provided to the Wikipedia article on toluene.oluene is used as a fuel additive to increase octane ratings and as a solvent in paints, paint thinners, adhesives, inks, resins, cleaning agents and inks. It is also used in â¦ the synthesis of many organic chemicals including benzene, phenol and xylene and as a raw material in the production of explosives.