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Structure of 5097-44-9
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4-Chloro-1,2,5-thiadiazole-3-carboxylic acid is a bench-stable heterocyclic building block featuring a chlorine substituent at the 4-position and a carboxylic acid group at the 3-position. This combination enables direct coupling reactions and facilitates incorporation into bioactive scaffolds, particularly in medicinal chemistry and agrochemical development.
4-Chloro-1,2,5-thiadiazole-3-carboxylic acid serves as a versatile building block in medicinal chemistry and heterocyclic synthesis. Its electrophilic chlorine at the 4-position enables facile nucleophilic substitution, facilitating the installation of diverse aryl, alkyl, or amine functionalities. The carboxylic acid group provides a handle for amidation, esterification, or coupling reactions, supporting integration into complex scaffolds. Bench-stable and readily purified, it functions effectively in standard synthetic workflows requiring functionalized 1,2,5-thiadiazoles.
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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+P364-P405-P501
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Lot numbers can be found on the outside label of a product: