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Structure of 1224944-77-7
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Ethyl 5-chloropyrazolo[1,5-a]pyrimidine-3-carboxylate features a chlorinated pyrazolopyrimidine core that enables direct functionalization at the 5-position. This electron-deficient heterocycle integrates readily into synthetic sequences requiring stable, bench-stable building blocks for medicinal chemistry and materials development.
Ethyl 5-chloropyrazolo[1,5-a]pyrimidine-3-carboxylate serves as a versatile building block for constructing biologically relevant heterocyclic scaffolds. The chloro group at the 5-position enables nucleophilic substitution reactions, facilitating the introduction of diverse substituents under mild conditions. Its ester functionality supports subsequent transformations such as hydrolysis or reduction, while the pyrazolopyrimidine core exhibits excellent bench stability and compatibility with standard synthetic protocols. This compound functions effectively in medicinal chemistry campaigns targeting kinase inhibitors and other pharmaceutical candidates.
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H302-H315-H319-H335
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
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Lot numbers can be found on the outside label of a product: