TCO-PEG4-TFP ester - CAS 2268817-73-6

TCO-PEG4-TFP ester is an amine-reactive labeling reagent used for the modification of proteins, antibodies, and other amine-containing biopolymers. TFP is a reactive ester that demonstrates superior stability during hydrolysis in aqueous media, enhancing the efficiency and reproducibility of biopolymer labeling. The TFP ester of carboxylic acid reacts with primary amines at a rate equivalent to NHS esters, forming a covalent amide bond identical to that produced by the reaction of primary amines with NHS or sulfo-NHS esters.

2268817-73-6

C26H35F4NO8

565.552

O=C(OC1CCC=CCCC1)NCCOCCOCCOCCOCCC(=O)OC=2C(F)=C(F)C=C(F)C2F

-20°C

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