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Structure of 62054-49-3
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(E)-Ethyl 3-methyl-4-oxobut-2-enoate features a conjugated enone system with an (E)-configured double bond, enhancing stability and enabling predictable reactivity in Michael additions. The ethyl ester group supports facile manipulation in synthetic sequences, while the methyl substitution provides steric control. This compound serves as a key building block in heterocyclic synthesis and natural product assembly.
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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-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: