Carboxy-PEG5-sulfonic acid
95%
Reagent
Code: #106138
CAS Number
1817735-38-8
blur_circular Chemical Specifications
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Molecular Information
Weight
374.39 g/mol
Formula
C₁₃H₂₆O₁₀S
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Storage & Handling
Storage
2-8°C, dry, sealed
description Product Description
Carboxy-PEG5-sulfonic acid is widely used in bioconjugation and surface modification due to its reactive carboxylic acid group and hydrophilic PEG spacer. It is particularly valuable in creating water-soluble drug conjugates, enhancing the solubility and stability of therapeutic molecules. In material science, it is employed to modify surfaces, improving biocompatibility and reducing non-specific binding in biomedical devices. Additionally, it serves as a linker in peptide synthesis and protein engineering, enabling controlled attachment of functional groups. Its sulfonic acid moiety also makes it useful in ion-exchange applications and as a stabilizer in nanoparticle formulations.
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