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Biotin-PEG3-aldehyde is a cleavable three-unit polyethylene glycol (PEG) linker bearing a biotin tag and an aldehyde reactive group, designed for bioconjugation and antibody-drug conjugate (ADC) synthesis.
Provides a biotin affinity tag for detection and purification.
Contains an aldehyde group for oxime or hydrazone ligation to aminooxy or hydrazide functionalities.
Short PEG3 spacer reduces steric hindrance and improves solubility.
Available in small research pack sizes suitable for conjugation workflows.
Characterized by CAS 889443-90-7 and molecular weight ~550.67 g/mol.
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