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.
IUPAC Names for Carboxylic Acids In the IUPAC names of carboxylic acids, â¢ the-e in the alkane name is replaced with-oic acid CH 4 Methan e HCOOH Methan oic acid CH 3 âCH 3 Ethan e CH 3 âCOOH Ethan oic acid â¢ substituents are numbered from the carboxyl carbon 1 CH 3 O CH 3 âCHâCH 2 âCâOH 4 3 2 1 3-methylbutanoic acid.spirin and Salicylic Acid Aspirin â¢is used to relieve pain and reduce inflammation â¢is an ester of salicylic acid and acetic acid Oil of wintergreen â¢is used to soothe sore muscles â¢is an ester of salicylic acid and methanol 19.