Hydroxy-PEG3-NHS - CAS 1807518-71-3

Hydroxy-PEG3-NHS is a PEG derivative containing a hydroxyl group with an NHS ester. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.

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1807444

C13H21NO8

319.31

O=C(ON1C(=O)CCC1=O)CCOCCOCCOCCO

-20°C

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