81303-52-8

81303-52-8 - Names and Identifiers

Name	Ethyl 5-Carbamoyl-1-Methyl-1H-Pyrazole-4-Carboxylate
Synonyms	ethyl 5-carbaMoyl-1-Methyl-1H-pyrazole-4-carboxylate Ethyl 5-Carbamoyl-1-Methyl-1H-Pyrazole-4-Carboxylate 5-(Aminocarbonyl)-1-methyl-1H-pyrazole-4-carboxylic acid ethyl ester 1H-Pyrazole-4-carboxylic acid, 5-(aminocarbonyl)-1-methyl-, ethyl ester
CAS	81303-52-8

81303-52-8 - Physico-chemical Properties

Molecular Formula	C8H11N3O3
Molar Mass	197.19
Storage Condition	Sealed in dry,Room Temperature

81303-52-8 - Introduction

1H-Pyrazole-5-(aminocarbonyl)-1-methyl-4-carboxylic acid ethyl ester is an organic compound with the chemical formula C9H12N4O3. Its properties are as follows:

1. appearance: colorless to light yellow solid powder.
2. solubility: soluble in some organic solvents, such as dimethyl sulfoxide.
3. Melting point: about 130-134°C.
4. density: about 1.34 g/cm.

The compound is commonly used in the research and preparation of drugs and pesticides. It has antibacterial, insecticidal and herbicidal potential, so it can be used in agriculture and plant protection.

The preparation method of 1H-pyrazole-5-(aminocarbonyl)-1-methyl-4-carboxylic acid ethyl ester is as follows:

First, an acetonitrile solvent was added to a reaction vessel, and then ethyl formate and formic acid were added thereto, followed by stirring and mixing. Next, lH-pyrazol-4-one was slowly added to the mixture and the reaction was continued with stirring. Finally, sodium hydroxide solution was added to the reaction system for neutralization to obtain the product.

For safety information, dust and solutions of the compound may cause irritation to the skin, eyes and respiratory tract. Therefore, personal protective equipment should be worn during operation to avoid direct contact. Care should be taken to prevent moisture and exposure to light during storage and handling to avoid degradation and deterioration. If necessary, work in a well-ventilated area. Local regulations shall be observed when disposing of waste. Do not use this compound for illegal purposes and follow laboratory safety practices.

Last Update：2024-04-09 21:01:54