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Biotinylation Reagents

Biotin-PEG4-S-S-acid | CAS 1380166-80-2

Catalog: TASK-36-1000800   CAS NO.: 1380166-80-2
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Description

Biotin-PEG4-S-S-acid is a molecular structure that incorporates biotin, a polyethylene glycol (PEG) linker of four units, and a disulfide bond terminated with an acidic group (typically carboxylic acid). The disulfide bond in Biotin-PEG4-S-S-acid serves as a cleavable linker in drug delivery systems. Upon exposure to reducing agents (e.g., glutathione inside cells), the bond can be cleaved, releasing the attached cargo (e.g., therapeutic drugs or imaging agents) at the target site. By conjugating Biotin-PEG4-S-S-acid to nanoparticles or drug carriers, targeted delivery to biotin receptor-expressing cells (e.g., cancer cells) can be achieved. This enhances therapeutic efficacy while reducing off-target effects.

Specifications

CAS No.1380166-80-2
FormulaC26H46N4O9S3
Molecular Weight654.9
Purity>98%
Ship Within1 week
Storage Temp.-20℃
Shipping4-25℃ for up to 3 weeks
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