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Medchemexpress LLC 3-(N-maleimido-propionylamino)-propyl-sulfonic acid sodium salt | 185332-92-7 | MFCD17215919 | 98.8% | 382.28 g·mol⁻¹ | C12H11N2NaO9S | 25 MG
Supplier: Medchemexpress LLC HY10778325MG
Sulfo-GMBS is a water-soluble, heterobifunctional cross-linker bearing a sulfo-NHS ester reactive toward primary amines and a maleimide reactive toward sulfhydryl groups. It enables efficient amine-to-thiol conjugation in aqueous buffers for protein and peptide modification, labeling, and cross-linking workflows. The sodium sulfonate improves aqueous solubility for biological applications.
- Water-soluble heterobifunctional cross-linker for amine-to-thiol coupling
- Contains a sulfo-NHS ester reactive toward primary amines
- Contains a maleimide group selective for sulfhydryl groups
- Suitable for conjugation in aqueous buffers and physiological conditions
- High purity supports consistent conjugation performance
- Applicable to protein labeling, cross-linking, and bioconjugation assays
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