CAS 126674-97-3

1H-Pyrazole-5-carbonyl chloride, 1,3-diethyl- (9CI)

Description:

1H-Pyrazole-5-carbonyl chloride, 1,3-diethyl- (9CI), with the CAS number 126674-97-3, is a chemical compound characterized by its pyrazole ring structure, which is a five-membered aromatic ring containing two nitrogen atoms. This compound features a carbonyl chloride functional group, making it a reactive acyl chloride derivative. The presence of ethyl groups at the 1 and 3 positions of the pyrazole ring contributes to its hydrophobic characteristics and may influence its reactivity and solubility in organic solvents. Typically, compounds like this are used in organic synthesis, particularly in the preparation of various pharmaceuticals and agrochemicals. The carbonyl chloride group is known for its ability to react with nucleophiles, facilitating the formation of amides or esters. Safety precautions are essential when handling this compound due to its potential reactivity and the release of hydrochloric acid upon hydrolysis. Overall, 1H-Pyrazole-5-carbonyl chloride, 1,3-diethyl- is a valuable intermediate in synthetic organic chemistry.

Formula: C₈H₁₁ClN₂O