2,3-Dihydro-1-methyl-3-oxo-1H-pyrazole-4-carboxylic acid ethyl ester
[CAS# 103626-03-5]

Identification

• Name: 2,3-Dihydro-1-methyl-3-oxo-1H-pyrazole-4-carboxylic acid ethyl ester
• Synonyms: 3-Hydroxy-1-methylpyrazole-4-carboxylic acid ethyl ester; 4-Ethoxycarbonyl-3-hydroxy-1-methylpyrazole; Ethyl 3-hydroxy-1-methyl-1H-pyrazole-4-carboxylate
• Molecular Formula: C₇H₁₀N₂O₃
• Molecular Weight: 170.17
• CAS Registry Number: 103626-03-5

Properties

• Solubility: Sparingly soluble (22 g/L) (25 °C), Calc.^*
• Density: 1.235±0.06 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 144-146 °C^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2013 ACD/Labs)

^** Hirai, Kenji