This chemical is called Ethyl 5-oxo-1-phenyl-2-pyrazoline-3-carboxylate, and it can also be named as 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-phenyl-, ethyl ester. With the molecular formula of C₁₂H₁₂N₂O₃, its molecular weight is 232.24. The CAS registry number of this chemical is 89-33-8. Additionally, its product category is Intermediates of Dyes and Pigments.

Other characteristics of the Ethyl 5-oxo-1-phenyl-2-pyrazoline-3-carboxylate can be summarised as followings: (1)ACD/LogP: 1.04; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.03; (4)ACD/LogD (pH 7.4): 1.03; (5)ACD/BCF (pH 5.5): 3.6; (6)ACD/BCF (pH 7.4): 3.6; (7)ACD/KOC (pH 5.5): 87.08; (8)ACD/KOC (pH 7.4): 87.08; (9)#H bond acceptors: 5; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 4; (12)Polar Surface Area: 58.97 Å²; (13)Index of Refraction: 1.594; (14)Molar Refractivity: 62.66 cm³; (15)Molar Volume: 184.4 cm³; (16)Polarizability: 24.84×10^-24cm³; (17)Surface Tension: 47.7 dyne/cm; (18)Density: 1.25 g/cm³; (19)Flash Point: 156.6 °C; (20)Enthalpy of Vaporization: 57.84 kJ/mol; (21)Boiling Point: 335.3 °C at 760 mmHg; (22)Vapour Pressure: 0.00012 mmHg at 25°C.

Uses of this chemical: The Ethyl 5-oxo-1-phenyl-2-pyrazoline-3-carboxylate is used as coupling components for CI Pigment Red 38,39,42. It could react with 4-Aminomethylen-5-oxo-1-phenyl-2-pyrazolin-3-carbonsaeureethylester, and obtain the 4-[(3-Ethoxycarbonyl-5-hydroxy-1-phenyl-4-pyrazolyl)methylen]-5-oxo-1-phenyl-2-pyrazolin-3-carbonsaeureethylester. In addition, this reaction should be taken for 30 minutes at the temperature of 180 °C. The yield is 46 %.

You can still convert the following datas into molecular structure:
1.SMILES: O=C(OCC)/C2=N/N(c1ccccc1)C(=O)C2
2.InChI: InChI=1/C12H12N2O3/c1-2-17-12(16)10-8-11(15)14(13-10)9-6-4-3-5-7-9/h3-7H,2,8H2,1H3
3.InChIKey: WBFXQKNQVZMOSQ-UHFFFAOYAP