Ethyl (5-oxo-4,5-dihydro-1H-pyrazol-3-yl)acetate(CAS: 98334-81-7)

Ethyl (5-oxo-4,5-dihydro-1H-pyrazol-3-yl)acetate is a chemical compound with the CAS number 98334-81-7. It is a colorless or light yellow liquid with a distinctive odor. This compound is used in various applications, including pharmaceuticals, flavorings, and research.

Ethyl (5-oxo-4,5-dihydro-1H-pyrazol-3-yl)acetate is primarily used in the pharmaceutical industry as a precursor for drug synthesis. It is also used as a flavoring agent in the food industry and as a reagent in research and development.

Ethyl (5-oxo-4,5-dihydro-1H-pyrazol-3-yl)acetate is generally safe when handled and used properly. However, it is important to follow safety guidelines, including wearing appropriate protective equipment such as gloves and goggles. Exposure to high concentrations may cause skin and eye irritation. Adequate ventilation is recommended.

Ethyl (5-oxo-4,5-dihydro-1H-pyrazol-3-yl)acetate should be stored in a cool, dry, and well-ventilated area away from direct sunlight and sources of ignition. It should be kept in a tightly sealed container to prevent contamination and evaporation. The storage temperature should be below 30°C (86°F) to ensure stability.