The 2,4(1H,3H)-Pyrimidinedione,1,3-diethyl-5-methyl-, also known as 1,3-Diethylthymine, is an organic compound with the formula C₉H₁₄N₂O₂. With the CAS registry number 21472-93-5, its systematic name is 1,3-diethyl-5-methylpyrimidine-2,4(1H,3H)-dione.

Physical properties of 2,4(1H,3H)-Pyrimidinedione,1,3-diethyl-5-methyl-: (1)ACD/LogP: 0.92; (2)ACD/LogD (pH 5.5): 2; (3)ACD/LogD (pH 7.4): 2; (4)ACD/BCF (pH 5.5): 21; (5)ACD/BCF (pH 7.4): 21; (6)ACD/KOC (pH 5.5): 310; (7)ACD/KOC (pH 7.4): 310; (8)#H bond acceptors: 4; (9)#Freely Rotating Bonds: 2; (10)Index of Refraction: 1.493; (11)Molar Refractivity: 48.802 cm³; (12)Molar Volume: 167.996 cm³; (13)Surface Tension: 34.707 dyne/cm; (14)Density: 1.085 g/cm³; (15)Flash Point: 101.418 °C; (16)Enthalpy of Vaporization: 49.66 kJ/mol; (17)Boiling Point: 258.979 °C at 760 mmHg; (18)Vapour Pressure: 0.013 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C1N(CC)C(=O)C(\C)=C/N1CC
(2)InChI: InChI=1/C9H14N2O2/c1-4-10-6-7(3)8(12)11(5-2)9(10)13/h6H,4-5H2,1-3H3
(3)InChIKey: UZYUKPJXAMAIRU-UHFFFAOYAQ