Phenylacetylglutamine is a normal constituent of human urine but other mammals such as the dog cat rat monkey sheep and horse do not excrete this compound. Phenylacetylglutamine is a major nitrogenous metabolite that accumulates in uremia. Phenylacetylglutamine also is a microbial metabolite found in Christensenellaceae Lachnospiraceae and Ruminococcaceae.

5-IAF is a fluorescein derivative of indoleacetamide, a fluorescent probe that can be used to label proteins and others containing free thiols (cysteine side chains).

1-phenylprop-2-en-1-ol is a compound used as a molecular building block.