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4-Chloro-3-ethyl-1-methyl-1H-pyrazole-5-carboxylic acid CAS 127892-62-0

CAS:127892-62-0
Moleculaire Formule:C7H9ClN2O2
Moleculaire Gewicht:188.61
EINECS-NUMMER:NVT

Synoniemen:4-CHLORO-3-ETHYL-1-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID; 1H-Pyrazole-5-carboxylic zuur, 4-chloro-3-ethyl-1-Methyl-; 4-CHLORO-3-ETHYL-1-METHYL PYRAZOLE-5-CARBOXYLIC ACID; 4-chloro-5-ethyl-2-methyl-3-pyrazolecarboxylic zuur; 4-Chloro-3-ethyl-1-methyl-1H-pyrazole-5-carboxylicaci; 4-chloro-3-Ethyl-1-methyl-1H-Pyrazole-5 - carboxylic; Ethyl-4-chloro-5-ethyl-1-methyl - 1H-pyrazole-3-carbonzuur

Wat is 4-Chloro-3-ethyl-1-methyl-1H-pyrazole-5-carboxylic acid 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.

Specificatie

Item	Specificatie
Boiling point	339.5±42,0 °C(Voorspeld)
Dichtheid	1.40±0,1 g/cm3(Voorspeld)
Smeltpunt	164 °C
pKa	1.90±0.38(Voorspeld)
Opslag omstandigheden	onder inert gas (stikstof of Argon) bij 2-8°C

Toepassing

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.