The IUPAC name of Etaqualone is 3-(2-ethylphenyl)-2-methylquinazolin-4-one. With the CAS registry number 7432-25-9, it is also named as 3-(o-Ethylphenyl)-2-methylquinazolin-4(3H)-one. It has sedative and hypnotic properties, and was used for the treatment of insomnia. In addition, its molecular formula is C₁₇H₁₆N₂O and molecular weight is 264.32174.

Physical properties about Etaqualone are: (1)ACD/LogP: 3.009; (2)ACD/LogD (pH 5.5): 3.01; (3)ACD/LogD (pH 7.4): 3.01; (4)ACD/BCF (pH 5.5): 113.76; (5)ACD/BCF (pH 7.4): 114.08; (6)ACD/KOC (pH 5.5): 1030.24; (7)ACD/KOC (pH 7.4): 1033.11; (8)#H bond acceptors: 3; (9)#Freely Rotating Bonds: 2; (10)Index of Refraction: 1.614; (11)Molar Refractivity: 80.736 cm³; (12)Molar Volume: 231.789 cm³; (13)Polarizability: 32.006 10-24cm³; (14)Surface Tension: 42.2210006713867 dyne/cm; (15)Density: 1.14 g/cm³; (16)Flash Point: 208.48 °C; (17)Enthalpy of Vaporization: 67.507 kJ/mol; (18)Boiling Point: 421.109 °C at 760 mmHg

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: CCC1=CC=CC=C1N2C(=NC3=CC=CC=C3C2=O)C
(2)InChI: InChI=1S/C17H16N2O/c1-3-13-8-4-7-11-16(13)19-12(2)18-15-10-6-5-9-14(15)17(19)20/h4-11H,3H2,1-2H3
(3)InChIKey: UVTJKLLUVOTSOB-UHFFFAOYSA-N

The toxicity data is as follows: