Ethyl 5-Oxo-4,5-dihydro-1H-pyrazole-3-carboxylate

Ethyl 5-Oxo-4,5-dihydro-1H-pyrazole-3-carboxylate - Names and Identifiers

Name	Ethyl 5-Oxo-4,5-dihydro-1H-pyrazole-3-carboxylate
Synonyms	EOS-61141 Ethyl 5-hydroxy-1H-pyrazole-3-carboxylate Ethyl 5-Oxo-4,5-dihydro-1H-pyrazole-3-carboxylate Ethyl 5-Oxo-4,5-dihydro-1H-pyrazole-3-carboxylate 1H-Pyrazole-3-carboxylic acid, 5-hydroxy-, ethyl ester
CAS	85230-37-1

Ethyl 5-Oxo-4,5-dihydro-1H-pyrazole-3-carboxylate - Physico-chemical Properties

Molecular Formula	C6H8N2O3
Molar Mass	156.14
Density	1.371±0.06 g/cm3(Predicted)
Melting Point	137-138 °C
Boling Point	400.1±25.0 °C(Predicted)
pKa	7.96±0.23(Predicted)
Storage Condition	2-8°C

Ethyl 5-Oxo-4,5-dihydro-1H-pyrazole-3-carboxylate - Upstream Downstream Industry

Raw Materials

Butanoic acid, 4,4,4-trichloro-3-oxo-, methyl ester
2-Butenedioic acid, 2-hydroxy-, 1,4-diethyl ester, sodium salt (1:1), (2Z)-
4,4,4-TRICHLOROACETOACETIC ACID ETHYL ESTER
Ethanol
Hydrazine monohydrochloride

Ethyl 5-Oxo-4,5-dihydro-1H-pyrazole-3-carboxylate - Introduction

Ethyl 5-Oxo-4 is an organic compound with the chemical formula C7H8N2O3 and a molecular weight of 168.15g/mol.

Nature:
1. Appearance: ethyll 5-Oxo-4, white crystalline solid.
2. Solubility: Easy to dissolve in common organic solvents.

Use:
1. Ethyl5-oxo-4 is widely used in the field of drug synthesis. It is an important intermediate that can be used in the synthesis of a variety of biologically active compounds.
2. This compound is also used as pesticide intermediates, dye intermediates, etc.

Method:
Ethyl 5-Oxo-4, the preparation method of Ethyl 5-Oxo-4 is relatively simple, which can be obtained by the reaction of 1H-pyrazole-3-carboxylic acid Ethyl ester with sodium hydroxide and hydrogen cyanide under certain conditions.

Safety Information:
For safety information on this compound, refer to the relevant safety data sheet. In General, chemicals should be handled under strict laboratory safe operating conditions, wearing appropriate protective equipment. Direct contact with skin and eyes should be avoided and good ventilation should be maintained. In case of accidental contact or eating, please seek medical advice and bring the relevant chemical label.

Last Update：2024-04-09 02:00:50