This chemical is called Ethyl 2,4-dioxovalerate, and its CAS registry number is 615-79-2. With the molecular formula of C₇H₁₀O₄, its product categories are Small Molecule; Aliphatics; API Intermediates; Acids and Esters. In addition, this chemical should be sealed in the cool and dry place.

Other characteristics of the Ethyl 2,4-dioxovalerate can be summarised as followings: (1)ACD/BCF (pH 5.5): 1; (2)ACD/BCF (pH 7.4): 1; (3)ACD/KOC (pH 5.5): 19.896; (4)ACD/KOC (pH 7.4): 4.737; (5)#H bond acceptors: 4; (6)#H bond donors: 0; (7)#Freely Rotating Bonds: 5; (8)Polar Surface Area: 60.44 Å²; (9)Index of Refraction: 1.426; (10)Molar Refractivity: 36.313 cm³; (11)Molar Volume: 141.804 cm³; (12)Polarizability: 14.396×10^-24cm³; (13)Surface Tension: 35.243 dyne/cm; (14)Density: 1.115 g/cm³; (15)Flash Point: 85.755 °C; (16)Enthalpy of Vaporization: 45.105 kJ/mol; (17)Boiling Point: 214.712 °C at 760 mmHg; (18)Vapour Pressure: 0.154 mmHg at 25°C.

Uses of this chemical: The 5-methyl-isoxazole-3-carboxylic acid ethyl ester could be obtained by the reactant of Ethyl 2,4-dioxovalerate. This reaction needs the reagent of NH₂OH*HCl, and the solvent of ethanol. The yield is 82 %. This reaction should be taken for 3 hours. The other condition is heating.

When you are using this chemical, please be cautious about it as the following: This chemical is irritating /harmful to eyes, respiratory system and skin. It causes burns. You should wear suitable protective clothing to avoid contacting with skin and eyes. Don't breathe vapour. In case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
1.SMILES: CCOC(=O)C(=O)CC(=O)C
2.InChI: InChI=1/C7H10O4/c1-3-11-7(10)6(9)4-5(2)8/h3-4H2,1-2H3
3.InChIKey: OYQVQWIASIXXRT-UHFFFAOYAA