| Bioactivity | 5-Hydroxyindole-3-acetic acid is the main metabolite of serotonin or metanephrines, which can be used as a biomarker of neuroendocrine tumors. |
| Invitro | 5-Hydroxyindole-3-acetic acid (5HIAA) is a metabolite issued from serotonin metabolism, and the latter is synthetized from the essential amino acid tryptophan. Serotonin is mainly metabolised by monoamine oxidase in the liver and the lungs[1]. |
| Name | 5-Hydroxyindole-3-acetic acid |
| CAS | 54-16-0 |
| Formula | C10H9NO3 |
| Molar Mass | 191.18 |
| Transport | Room temperature in continental US; may vary elsewhere. |
| Storage | 4°C, stored under nitrogen *In solvent : -80°C, 6 months; -20°C, 1 month (stored under nitrogen) |