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Structure of 15878-00-9
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4-Chloro-1H-pyrazole is a bench-stable heterocyclic building block featuring a chlorine atom at the 4-position of the pyrazole ring. This electron-deficient scaffold enables direct functionalization in cross-coupling and electrophilic substitution reactions, offering efficient access to bioactive analogs in medicinal chemistry and agrochemical development.
4-Chloro-1H-pyrazole serves as a versatile heterocyclic building block in medicinal chemistry and synthetic organic chemistry. Its electrophilic chlorine substituent enables facile nucleophilic substitution, enabling the construction of diverse pyrazole derivatives. The compound exhibits good bench stability and compatibility with common reaction conditions, facilitating efficient functionalization for API development and combinatorial library synthesis.
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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-H317-H319
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Precautionary Statements : P261-P264-P270-P272-P280-P302+P352-P330-P362+P364-P501
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Lot numbers can be found on the outside label of a product: