A chloroamino acid comprising a tyrosine core with a chloro- substituent ortho to the phenolic hydroxy group. ChEBI: 3-chloro-L-tyrosine is a chloroamino acid comprising a tyrosine core with a chloro- substituent ortho to the phenolic hydroxy group. It has a role as a biomarker and a human metabolite. It is a chloroamino acid, a member of monochlorobenzenes, a L-tyrosine derivative and a non-proteinogenic L-alpha-amino acid. It is a tautomer of a 3-chloro-L-tyrosine zwitterion.