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*For research and further manufacturing use only, not for direct human use.
Structure of 823-56-3
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For use as a matrix in MALDI mass spectrometry analysis
2-Fluoro-3,5-dichloropyridine serves as a versatile building block in medicinal chemistry, enabling efficient construction of substituted pyridine scaffolds via nucleophilic aromatic substitution. Its orthogonal reactivity profile—where the fluorine acts as a selective displacement handle while the chlorines remain stable under mild conditions—facilitates sequential functionalization. The compound exhibits excellent bench stability and is compatible with common coupling protocols, making it ideal for modular synthesis of API intermediates and heterocyclic libraries.
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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-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: