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Structure of 1196155-33-5
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5-Bromo-3-chloropyridazine is a halogenated pyridazine derivative featuring complementary reactive sites for cross-coupling and functionalization. The bromo group at the 5-position enables palladium-catalyzed coupling, while the chloro substituent at the 3-position offers orthogonal reactivity. This bifunctional scaffold integrates efficiently into complex heterocyclic architectures under standard conditions.
5-Bromo-3-chloropyridazine serves as a versatile building block in medicinal chemistry, enabling palladium-catalyzed cross-coupling reactions due to its complementary halogen reactivity. The bromo group facilitates Suzuki, Stille, and Negishi couplings, while the chloro group offers orthogonal functionalization potential. Its stability under standard reaction conditions and ease of purification make it well-suited for constructing complex heterocyclic scaffolds in API development.
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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: