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Structure of 1256162-94-3
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5-Chloropyrazolo[1,5-a]pyrimidine-3-carbaldehyde features a fused heterocyclic core with a chloro substituent and an aldehyde handle at the 3-position. This electron-deficient scaffold integrates readily into bioactive molecule design, enabling direct coupling in late-stage functionalization. The aldehyde group supports efficient derivatization under mild conditions, offering a robust platform for medicinal chemistry and materials synthesis.
5-Chloropyrazolo[1,5-a]pyrimidine-3-carbaldehyde serves as a versatile heterocyclic building block for medicinal chemistry and materials science. The aldehyde functionality enables facile derivatization via nucleophilic addition, while the chloro substituent offers orthogonal reactivity for palladium-catalyzed coupling reactions. Bench-stable and readily purified by flash chromatography, it functions effectively in the construction of complex polycyclic scaffolds and functionalized pyrazolopyrimidine derivatives relevant to kinase inhibitor development and organic semiconductors.
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GHS Pictogram :
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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-P330-P362-P405-P501
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Lot numbers can be found on the outside label of a product: