PEG

Biotin-PEG-Mal, MW 5,000 is a thiol reactive biotinylation polymer. The biotin molecule has strong binding with avidin or streptavidin. Reagent grade, for research purpose.

Biotin-PEG-Silane, MW 3,400 is a PEG derivative used for surface modification in material science. The biotin moiety offers high affinity to streptavidin or avidin for molecular labeling or detection. Reagent grade, for research purpose. This product is hygroscopic; excessive moisture may affect the stability of the compound.

Biotin-PEG-Succinimidyl Carbonate, MW 5,000 is a PEG polymer active ester which is reactive with amine via formation of amide bond. The biotin has strong binding affinity with streptavadin and avadin. Reagent grade, for research purpose.

Biotin-PEG-Succinimidyl Valerate, MW 3,400 is a biotin PEGylation reagent with an NHS ester which is reactive specifically and efficiently with lysine and N-terminal amino groups at pH 7-9 to form a stable amide bond. Reagent grade, for research purpose.

Biotin-PEG-Succinimidyl Valerate, MW 5,000 is an NHS active ester biotinylation reagent which is reactive with amine. The biotin has strong binding affinity to streptavidin or avidin for molecular labeling or detection. Reagent grade, for research purpose.

Biotin-PEG-Thiol, MW 2,000 is a biotinylation PEG polymer reagent which is reactive with maleimide via formation of thioether bond. Reagent grade, for research purpose.

Succinimidyl Carbonate-PEG-CH2COOH, MW 2,000 is a heterobifunctional PEG polymer. The succinimidyl group can react with an amine to form a stable amide bond. The carboxyl group can conjugate with amine molecule in the presence of EDC or HATU. Reagent grade, for research purpose.

Succinimidyl Carbonate-PEG-CH2COOH, MW 3,400 is a polyPEG with a terminal carboxylic acid and a succinimidyl carbonate. The NHS ester reacts with amine nucleophile. The terminal -COOH can react with primary amine in the presence of activator, such as EDC or HATU, to form a stable amide bond. Reagent grade, for research purpose.

Succinimidyl Carbonate-PEG-CH2COOH, MW 5,000 is an amine reactive and water soluble PEG polymer. Carboxylic acid reacts with amine in the presence of HATU or EDC via formation of covalent amide linkage. Reagent grade, for research purpose.