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Structure of 721431-18-1
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Biotin-PEG4-acid offers a robust, hydrophilic linker for conjugating biomolecules via amine-reactive ester formation. The PEG4 spacer enhances solubility and reduces non-specific binding, while the terminal carboxylic acid enables site-specific coupling. This derivative integrates seamlessly into bioconjugation workflows requiring stable, water-compatible linkages.
Biotin-PEG4-acid serves as a versatile bifunctional linker for bioconjugation, combining the high-affinity biotin-binding property with a hydrophilic PEG4 spacer. The terminal carboxylic acid enables efficient coupling to amine-containing biomolecules via standard activation methods (e.g., EDC/NHS), while the PEG4 chain minimizes non-specific binding and enhances solubility. Its bench-stable, well-characterized structure facilitates reliable conjugation workflows in immunoassays, protein labeling, and targeted delivery applications.
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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: