Bis-sulfone-PEG-NHS Ester

An activated ester derivative that facilitates efficient, amine-selective conjugation following site-specific cysteine coupling. Used in the synthesis of ADCs and protein-labeling reagents for high-yield, stable amide bond formation.

Similar Products: Bis-sulfone (non PEG), Bis-sulfone-PEGn-Acid, Bis-sulfone-PEGn-Azide, Mono-Sulfone (non PEG).

 Item #CAS #M.F M.W
Bis-sulfone-PEG4-NHS Ester 536904 2055047-19-1 C40H48N2O14S2 844.95
 Item #CAS #M.F M.W
Bis-sulfone-PEG8-NHS Ester 536908 2363757-66-6 C48H64N2O18S2 1021.16
 Item #CAS #M.F M.W
Bis-sulfone-PEG12-NHS Ester 536912 2055105-51-4 C56H80N2O22S2 1197.37