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Structure of 88-67-5
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PEG21 is a polymer of ethylene glycol subunits with two terminal hydroxyl groups. The hydroxyl groups can react to further derivatize the compound. The hydrophilic PEG linker increases the water solubility of the compound in aqueous media. The water solubility properties of the PEG chain are enhanced with longer PEG chains.
o-Iodobenzoic acid serves as a versatile building block in transition-metal-catalyzed cross-coupling reactions, enabling efficient C–C and C–heteroatom bond formation under standard Suzuki, Stille, and Negishi conditions. The ortho-iodo group exhibits high reactivity while maintaining bench stability, facilitating straightforward purification and compatibility with diverse functional groups. Its utility is well-documented in the synthesis of biaryl scaffolds and heterocyclic frameworks relevant to pharmaceutical and agrochemical development.
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GHS Pictogram :
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GHS No : GHS05,GHS07
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Signal Word : Danger
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UN#: 3261
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Class : 8
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Packing Group : Ⅲ
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Hazard Statements : H314
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Precautionary Statements : P260-P264-P280-P301+P330+P331-P304+P340-P363-P405-P501
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Lot numbers can be found on the outside label of a product: