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4-arm Poly(ethylene glycol) carboxylic acid


4-arm Poly(ethylene glycol) carboxylic acid

4-Arm-PEG-COOH

Catalog:CDA-A4019

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INQUIRY Datasheet

SynonymMulti-arm PEGs, Poly(ethylene glycol)
Common Use4-Arm PEG-carboxylic acid (4-arm PEG-COOH) is a multiarm PEG derivative with carboxylic acid groups at each terminal of the four arms. There is a methylene (CH2) linkage between PEG and the COOH group, often called acetic acid (AA) or carboxyl methyl (CM). More details can be found at the FAQ webpage. PEG acid can be used to react with amine groups with peptide coupling reagents such as NHS and DCC, EDC.
Structure 4-arm Poly(ethylene glycol) carboxylic acid
PEG Molecular Weight20,000 Da
Functional GroupCarboxyl
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