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Bis-PE21 NHS ester


Bis-PE21 NHS ester

Catalog:CDPB-04482

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INQUIRY Datasheet

Common UseBis-PE21-NHS ester is a PEG derivative containing two NHS ester groups. The hydrophilic PEG spacer increases solubility in aqueous media. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.
Structure Bis-PE21 NHS ester
PEG Molecular Weight1237.4 g/mol
Functional GroupNHS ester
Purity97%
Storage-20°C
Molecular FormulaC54H96N2O29
CAS No.1008402-79-6
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