Biotin-PEG7-thiourea is reactive with amine-containing macromolecule. The hydrophilic PEG arm improves water solubility. The biotin groups serve as an affinity label towards the proteins avidin and streptavidin. The thiourea group can be used as a source of sulfide, such as for converting alkyl halides to thiols. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
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