2803338-37-4

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2803338-37-4 Structure

Identification	Back Directory
[Name] Tos-PEG6-acid
[CAS] 2803338-37-4
[Synonyms] Tos-PEG6-acid 1-(Tosyloxy)-3,6,9,12,15-pentaoxaoctadecan-18-oic acid 1-[(4-methylbenzenesulfonyl)oxy]-3,6,9,12,15-pentaoxaoctadecan-18-oic acid
[Molecular Formula] C20H32O10S
[MOL File] 2803338-37-4.mol
[Molecular Weight] 464.53

Hazard Information	Back Directory
[Uses] Tos-PEG6-acid is a PEG linker containing a tosyl group and a terminal carboxylic acid. The hydrophilic PEG spacer increases solubility in aqueous media. The tosyl group is a very good leaving group for nucleophilic substitution reactions. The terminal carboxylic acid can react with primary amine groups in the presence of activators (e.g. HATU) to form a stable amide bond.

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