The 1H-Pyrazole-4-carboxylic acid, 5-hydroxy-1-methyl-, ethyl ester, with the CAS registry number 88398-78-1, is also known as Ethyl 1-methyl-5-hydroxypyrazole-4-carboxylylate. This chemical's molecular formula is C₇H₁₀N₂O₃ and molecular weight is 170.17. What's more, its systematic name is ethyl 5-hydroxy-1-methyl-1H-pyrazole-4-carboxylate.

Physical properties of 1H-Pyrazole-4-carboxylic acid, 5-hydroxy-1-methyl-, ethyl ester are: (1)ACD/LogP: 1.92; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 5; (4)#H bond donors: 1; (5)#Freely Rotating Bonds: 4; (6)Polar Surface Area: 64.35 Å²; (7)Index of Refraction: 1.551; (8)Molar Refractivity: 41.986 cm³; (9)Molar Volume: 131.503 cm³; (10)Polarizability: 16.644×10^-24cm³; (11)Surface Tension: 44.251 dyne/cm; (12)Density: 1.294 g/cm³; (13)Flash Point: 115.93 °C; (14)Enthalpy of Vaporization: 52.653 kJ/mol; (15)Boiling Point: 268.078 °C at 760 mmHg; (16)Vapour Pressure: 0.005 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(OCC)c1cnn(C)c1O
(2)Std. InChI: InChI=1S/C7H10N2O3/c1-3-12-7(11)5-4-8-9(2)6(5)10/h4,10H,3H2,1-2H3
(3)Std. InChIKey: LTOXGZKRFFELPY-UHFFFAOYSA-N