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Biotin-PEG2-amine

Biotinylation Amines
貨號 數量 價格 交貨時間
2532-100mg 100 mg $110 現貨
2532-1g 1 g $600 現貨
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Biotin-PEG2-amine is a diethylene glycol (PEG2) based bifunctional molecule containing biotin and a primary amino group. The reagent makes it possible to label various biomolecules (such as DNA, oligonucleotides, and proteins) with biotin by reacting the amino group with NHS esters or carboxylic acids in the presence of EDC or HATU. Biotin-labeled compounds can then be linked to avidin or streptavidin for further purification or detection.

A short PEG2-linker separates the biotin residue from the target molecule, ensuring efficient binding to avidin or streptavidin. The linker also increases the compound’s water solubility, thereby facilitating bioconjugation.

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Biotin-PEG3-amine

Triethylene glycol (PEG3) based bifunctional molecule containing biotin and amine functional group.

Biotin-PEG4-amine

Tetraethylene glycol (PEG4) based bifunctional molecule containing biotin and amine functional group.

General properties

Appearance: white solid
Molecular weight: 330.45
CAS number: 811442-85-0
Molecular formula: C14H26N4O3S
Solubility: good in water, DMSO, DMF
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.
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