5-htp CAS No.: 4350-09-8 Molecular formula: C11H12N2O3 Molecular weight: 220.22500 Appearance and traits: white to off-white powder Density: 0.902 g/mL at 25 °C (lit.) Melting point: 270 ° C (dec.) (lit.) Boiling point: 520.6oC at 760 mmHg Flash point: 175 °F Refractive index: n20/D 1.4850 (lit.) Uses: dietary supplements for patients with depression, anorexia and insomnia, as well as drugs for the treatment of major depressive disorder