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Structure of 81294-11-3
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2-Ethynyl-3-methylthiophene features a conjugated ethynyl group directly attached to a methyl-substituted thiophene ring, enabling efficient coupling in cross-coupling reactions. This electron-rich heterocycle delivers high stability and compatibility under standard conditions, facilitating rapid access to functionalized thienyl architectures in synthetic and materials applications.
2-Ethynyl-3-methylthiophene serves as a versatile building block in transition-metal-catalyzed coupling reactions, enabling efficient access to substituted thiophene scaffolds. Its terminal alkyne functionality facilitates Sonogashira and Glaser-type couplings with high functional group tolerance. The methylthiophene core provides enhanced stability and favorable reactivity in cross-coupling processes, making it a practical choice for synthesizing conjugated systems relevant to materials science and medicinal chemistry applications.
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GHS Pictogram :
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GHS No : GHS02
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Signal Word : Danger
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UN#: 1993
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Class : 3
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Packing Group : Ⅲ
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Hazard Statements : H225-H315-H319-H335
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Precautionary Statements : P210-P240-P241-P242-P243-P261-P264-P280-P302+P352-P304+P340-P330-P362-P370+P378-P405-P501
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Lot numbers can be found on the outside label of a product: