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Bis-PEG-acid or PEG di(carboxylic acid) is homobifunctional PEG derivative which will react with an amine-containing moiety in the presence of a coupling reagent. PEG di(carboxylic acid) (Bis-PEG-acid) can be used to modify proteins, peptides and other materials via amino or other acid reactive chemical groups via PEGylation. It can also be converted to N-hydroxysuccinimide active esters which can be widely used in bioconjugation.

Axispharm offers over 3000 PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.

Catalog# Name Structure M.W. Purity Pricing
AP11286Bis-PEG1-acid162.14≥95% Pricing
AP11287Bis-PEG2-acid206.19≥95% Pricing
AP11288Bis-PEG3-acid250.25≥95% Pricing
AP11289Bis-PEG4-acid294.3≥95% Pricing
AP11290Bis-PEG5-acid338.35≥95% Pricing
AP10728Bis-PEG6-acid382.41≥95% Pricing
AP11291Bis-PEG7-acid426.46≥95% Pricing
AP11292Bis-PEG8-acid470.51≥95% Pricing
AP11293Bis-PEG9-acid514.57≥95% Pricing
AP11294Bis-PEG10-acid558.62≥95% Pricing
AP11295Bis-PEG11-acid602.67≥95% Pricing
AP11296Bis-PEG12-acid646.72≥95% Pricing
AP11297Bis-PEG13-acid690.78≥95% Pricing
AP11298Bis-PEG14-acid734.83≥95% Pricing
AP11299Bis-PEG15-acid778.88≥95% Pricing
AP11300Bis-PEG17-acid866.99≥95% Pricing
AP11301Bis-PEG21-acid1043.2≥95% Pricing
AP11302Bis-PEG25-acid1219.41≥95% Pricing
AP11303Bis-PEG29-acid1395.63≥95% Pricing