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Structure of 438475-37-7
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4-(2-Chloroethyl)-1H-pyrazole is a reactive heterocyclic compound featuring a chloroethyl side chain that enables efficient alkylation under mild conditions. This moiety integrates readily into bioconjugation workflows and synthetic scaffolds, offering stable linkage formation with nucleophiles. The pyrazole core provides enhanced metabolic stability and favorable solubility in organic media, facilitating use in medicinal chemistry and probe development.
4-(2-Chloroethyl)-1H-pyrazole serves as a versatile bifunctional building block, enabling efficient construction of nitrogen-containing heterocycles and pharmaceutical intermediates. The chloroethyl side chain facilitates nucleophilic substitution reactions, while the pyrazole core provides robust stability and moderate basicity. This compound functions effectively in late-stage functionalization and offers straightforward purification due to its crystalline nature and compatibility with standard chromatographic protocols.
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GHS Pictogram :
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GHS No : GHS05,GHS07
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Signal Word : Danger
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UN#: 1759
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Class : 8
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Packing Group : Ⅱ
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Hazard Statements : H302-H314
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Precautionary Statements : P260-P264-P270-P280-P301+P330+P331-P304+P340-P363-P405-P501
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Lot numbers can be found on the outside label of a product: