p-Azobenzenearsonate

**Definition:** A hapten capable of eliciting both antibody formation and delayed hypersensitivity when bound to aromatic amino acids, polypeptides or proteins. It is used as an immunologic research tool.

**Tree numbers:** - D02.129.060 - D02.172.045 - D23.050.550.480.097

**Synonyms:** - para-Azobenzenearsonate