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Structure of 763109-71-3
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5-(2-Thienyl)isoxazole-3-carboxylic acid features a fused heterocyclic core combining a thienyl ring with an isoxazole scaffold, delivering enhanced electronic delocalization and planarity. This structural motif enables robust integration into bioactive molecules and functional materials. The carboxylic acid group provides a versatile handle for derivatization via amide coupling, esterification, or metal salt formation, supporting applications in medicinal chemistry and polymer synthesis. Bench-stable and moisture-tolerant, it simplifies handling in synthetic workflows.
5-(2-Thienyl)isoxazole-3-carboxylic acid serves as a versatile building block in heterocyclic synthesis, enabling the construction of biologically relevant scaffolds through standard coupling reactions. The conjugated thienyl-isoxazole motif provides enhanced planarity and electronic delocalization, improving stability and reactivity in transition-metal-catalyzed transformations. Its carboxylic acid group facilitates direct derivatization via amide, ester, or acyl chloride formation, supporting applications in medicinal chemistry and materials science. Bench-stable and readily purified by recrystallization, it functions effectively in both small-molecule discovery and process development 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 : H315-H319-H335
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Precautionary Statements : P261-P264-P271-P280-P302+P352-P304+P340-P362+P364-P405-P501
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Lot numbers can be found on the outside label of a product: