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Structure of 524030-00-0
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m-PEG5-SH features a thiol terminus on a monomethoxy-polyethylene glycol chain of five ethylene oxide units, offering enhanced solubility and stability in aqueous environments. This conjugation-ready reagent enables site-specific bioconjugation through selective maleimide-thiol coupling, ideal for linker development in antibody-drug conjugates and peptide engineering.
m-PEG5-SH serves as a versatile bifunctional building block for conjugation and polymer chemistry, offering a well-defined five-ether unit spacer between a terminal thiol group and a monofunctional end. The thiol functionality enables efficient maleimide-based bioconjugation or gold surface attachment, while the PEG backbone imparts excellent solubility, stability, and resistance to non-specific binding. Its predictable length and reliable reactivity make it ideal for constructing drug delivery systems, peptide-protein hybrids, and surface-functionalized nanomaterials.
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GHS No : GHS06,GHS09
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Signal Word : Danger
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UN#: 2810
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Class : 6.1
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Packing Group : Ⅲ
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Hazard Statements : H301-H332-H410
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Precautionary Statements : P261-P264-P270-P271-P273-P304+P340-P330-P391-P405-P501
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Lot numbers can be found on the outside label of a product: