The 3-Ethyl-4-methyl-3-pyrrolin-2-one, with the CAS registry number 766-36-9, has the systematic name of 3-ethyl-4-methyl-1,5-dihydro-2H-pyrrol-2-one. It is a kind of light yellow or white crystalline powder, and belongs to the following product categories: Pharmacetical; (Intermediate of glimepiride); Building Blocks; Heterocyclic Building Blocks; Pyrrolines. And it is usually used as Glimepiride intermediate. What's more, while dealing with this chemical, you should not breathe dust and then try to avoid contacting with skin and eyes. The molecular formula of this chemical is C₇H₁₁NO.

Physical properties of 3-Ethyl-4-methyl-3-pyrrolin-2-one are: (1)ACD/LogP: 0.345; (2)ACD/LogD (pH 5.5): 0.35; (3)ACD/LogD (pH 7.4): 0.35; (4)ACD/BCF (pH 5.5): 1.08; (5)ACD/BCF (pH 7.4): 1.08; (6)ACD/KOC (pH 5.5): 36.70; (7)ACD/KOC (pH 7.4): 36.70; (8)#H bond acceptors: 2; (9)#H bond donors: 1; (10)#Freely Rotating Bonds: 1; (11)Index of Refraction: 1.467; (12)Molar Refractivity: 35.556 cm³; (13)Molar Volume: 128.089 cm³; (14)Polarizability: 14.095 10-24cm³; (15)Surface Tension: 27.8759994506836 dyne/cm; (16)Density: 0.977 g/cm³; (17)Flash Point: 156.579 °C; (18)Enthalpy of Vaporization: 51.761 kJ/mol; (19)Boiling Point: 278.957 °C at 760 mmHg; (20)Vapour Pressure: 0.00400000018998981 mmHg at 25°C

Uses of 3-Ethyl-4-methyl-3-pyrrolin-2-one: It can react with 3,4-diethyl-5-formyl-pyrrole-2-carboxylic acid ethyl ester to produce 3,4-diethyl-5-(4-ethyl-3-methyl-5-oxo-1,5-dihydro-pyrrol-2-ylidenemethyl)-1H-pyrrole-2-carboxylic acid. This reaction will need reagent aq. KOH, and the menstruum methanol. The reaction time is 1 hour with heating, and the yield is about 78%.   

You can still convert the following datas into molecular structure:
(1)SMILES: O=C1/C(=C(/C)CN1)CC
(2)InChI: InChI=1/C7H11NO/c1-3-6-5(2)4-8-7(6)9/h3-4H2,1-2H3,(H,8,9)
(3)InChIKey: YCTNTSVMJWIYTQ-UHFFFAOYAD