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4-Chloro-3-ethyl-1-methyl-1H-Pyrazol-5-Carbonsäure CAS 127892-62-0

CAS:127892-62-0
Molekulare Formel:C7H9ClN2O2
Molekulare Gewicht:188.61
EINECS:NA

Synonyme:4-CHLORO-3-ETHYL-1-METHYL-1H-PYRAZOL-5-CARBOXYLIC ACID; 1H-Pyrazol-5-carboxylic acid, 4-chloro-3-ethyl-1-Methyl-; 4-CHLORO-3-ETHYL-1-METHYL-PYRAZOL-5-CARBOXYLIC ACID; 4-chloro-5-ethyl-2-methyl-3-pyrazolecarboxylic acid; 4-Chloro-3-ethyl-1-methyl-1H-Pyrazol-5-carboxylicaci; 4-chloro-3-Ethyl-1-methyl-1H-Pyrazol-5 - carboxylic; Ethyl 4-chloro-5-ethyl-1-methyl - 1H-Pyrazol-3-Carbonsäure

Was ist ein 4-Chloro-3-ethyl-1-methyl-1H-Pyrazol-5-Carbonsäure CAS 127892-62-0？

4-Chloro-3-ethyl-1-methyl-1H-pyrazole-5-carboxylic acid (CAS 127892-62-0) is a high-purity pyrazole derivative widely used as an intermediate in pharmaceuticals, agrochemicals, and fine chemical synthesis. Its unique chloro, ethyl, and methyl substituents provide excellent reactivity and selectivity, making it a versatile building block for advanced organic synthesis.

We supply 4-Chloro-3-ethyl-1-methyl-1H-pyrazole-5-carboxylic acid with consistent quality, flexible packaging options, and reliable global delivery for both R&D and industrial applications.

Spezifikation

Element	Spezifikation
Siedepunkt	339.5±42.0 °C(Vorhergesagt)
Dichte	1.40±0,1 g/cm3(Vorhergesagt)
Schmelzpunkt	164 °C
pKa	1.90±0.38(Vorhergesagt)
Lagerung Bedingungen	unter Inertgas (Stickstoff oder Argon) bei 2-8°C

Anwendung

4-Chloro-3-ethyl-1-methyl-1H-pyrazole-5-carboxylic acid is a key intermediate used in the synthesis of pharmaceuticals, agrochemicals, and specialty chemicals. It is widely applied in drug development, herbicide and pesticide production, and in the preparation of substituted pyrazole derivatives for advanced chemical research.