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mono-Methyl terephthalate CAS 1679-64-7 pack

4-Cloro-3-etil-1-metil-1H-pirazole-5-carboxílico CAS 127892-62-0

CAS:127892-62-0
Fórmula Molecular:C7H9ClN2O2
Peso Molecular:188.61
EINECS:NA

Sinónimos:4-CLORO-3-ETIL-1-METIL-1H-PIRAZOLE-5-CARBOXÍLICO; 1H-Pirazole-5-carboxílico do ácido 4-cloro-3-etil-1-Metil-; 4-CLORO-3-ETIL-1-METIL PIRAZOLE-5-CARBOXÍLICO; 4-cloro-5-etil-2-metil-3-pyrazolecarboxylic ácido 4-Cloro-3-etil-1-metil-1H-pirazole-5-carboxylicaci; 4-cloro-3-Etil-1-metil-1H-Pirazole-5 - carboxílico; Etil 4-cloro-5-etil-1-metil - 1H-pirazole-3-ácido carboxílico

O que é a 4-Cloro-3-etil-1-metil-1H-pirazole-5-carboxílico 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.

Especificação

Item	Especificação
Ponto de ebulição	339.5±42,0 °C(Previsto)
Densidade	1.40±0,1 g/cm3(Previsto)
Ponto de fusão	164 °C
os valores de pKa	1.90±0.38(Previsto)
Condições de armazenamento	sob gás inerte (nitrogênio ou Argônio) a uma temperatura de 2-8°C

Aplicação

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.