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Structure of 121246-96-6
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3-Chloropyrazine-2-carbaldehyde is a heterocyclic aldehyde featuring a chlorine atom at the 3-position and an aldehyde group at the 2-position of the pyrazine ring. This electron-deficient scaffold enables direct coupling in cross-coupling reactions and serves as a key building block for pharmaceutical intermediates, agrochemicals, and functional materials. The aldehyde functionality offers high reactivity in nucleophilic additions and condensation processes.
3-Chloropyrazine-2-carbaldehyde serves as a versatile building block in medicinal chemistry, enabling the construction of heterocyclic scaffolds via palladium-catalyzed cross-coupling and nucleophilic substitution reactions. Its electrophilic aldehyde functionality and chloropyrazine moiety offer orthogonal reactivity for sequential functionalization, while its bench-stable crystalline form facilitates handling and purification in synthetic workflows.
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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
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Precautionary Statements : P261-P280-P304+P340-P405
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Lot numbers can be found on the outside label of a product: