5-Methoxyindole-3-acetic acid

5-Methoxyindole-3-acetic acid is a metabolite of Melatonin and is isolated from pineal tissue. (In Vivo) :Transplacental administration of 5-methoxyindole-3-acetic acid possessing blastomogenic activity induced the development of malignant and benign neoplasms (lymphosarcomas, adenomas, hepatomas and other tumours) in 84% of C57BL/6 mouse progeny. The number of neoplasms was significantly higher, than in the control, they appeared earlier and were more malignant.