Biotin-PEG4-azide

Cat. # Quantity Price Lead time
2674-50mg 50 mg $140 in stock
2674-100mg 100 mg $180 in stock
2674-1g 1 g $850 in stock
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Biotin-PEG4-azide is a click chemistry biotinylation tool. This reagent allows the labeling of alkynylated molecules (such as DNA, oligonucleotides, and proteins) with biotin via copper-catalyzed or copper-free click reaction. Biotin-labeled biomolecules can be bound to avidin or streptavidin for further purification and detection.

This structure of biotin azide features a long hydrophilic PEG4 linker that separates biotin residue from the target molecule for efficient binding with streptavidin. Its linker also enhances aqueous solubility to facilitate conjugation.

The azide can be conjugated with various molecules using our recommended protocol.

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General properties

Appearance: beige solid
Molecular weight: 444.56
CAS number: 875770-34-6
Molecular formula: C18H32N6O5S
Solubility: in DMF, DMSO
Quality control: NMR 1H and HPLC-MS (95+%)
Storage conditions: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate.
MSDS: Download
Product specifications
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