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Carboxylic Acid PEG is a versatile tool in ADC. It has an acid group on one end of the peg chain and another functional group on the other end.

Carboxylic acid PEG has excellent water solubility and can easily reacts with amine-containing bio-molecules under amide coupling conditions. It can also be converted to amine reactive forms, such as N-hydroxysuccinimide ester (NHS ester), pentafluorophenol ester (PFP), tetrafluorophenol (TFP) ester, and acid chloride. They are all widely used in bioconjugation, drug delivery technologies, and drug property modifications.

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

Acid PEG
Cat# Name Structure M.W. Purity Pricing
(S,R. S)-AHPC-PEG-acid
AP12132(S,R. S)-AHPC-PEG2-acid
Quick view(S,R. S)-AHPC-PEG2-acid
618.75≥95% Pricing
Acid-PEG-mono-methyl ester
AP11648Acid-PEG3-mono-methyl ester
Quick viewAcid-PEG3-mono-methyl ester
264.27≥95% Pricing
AP11649Acid-PEG4-mono-methyl ester
Quick viewAcid-PEG4-mono-methyl ester
308.33≥95% Pricing
AP11650Acid-PEG5-mono-methyl ester
Quick viewAcid-PEG5-mono-methyl ester
352.38≥95% Pricing
AP11651Acid-PEG6-mono-methyl ester
Quick viewAcid-PEG6-mono-methyl ester
396.43≥95% Pricing
Acid-PEG-NHS ester
AP10913acid-PEG2-NHS ester
Quick viewacid-PEG2-NHS ester
303.27≥95% Pricing
AP11823Acid-PEG3-NHS ester
Quick viewAcid-PEG3-NHS ester
347.32≥95% Pricing
AP11824Acid-PEG5-NHS ester
Quick viewAcid-PEG5-NHS ester
435.43≥95% Pricing
AP11825Acid-PEG9-NHS ester
Quick viewAcid-PEG9-NHS ester
611.64≥95% Pricing
AP11826Acid-PEG13-NHS ester
Quick viewAcid-PEG13-NHS ester
787.85≥95% Pricing
AP11827Acid-PEG25-NHS ester
Quick viewAcid-PEG25-NHS ester
1316.49≥95% Pricing
Acid-PEG-PFP ester
AP11656Acid-PEG3-PFP ester
Quick viewAcid-PEG3-PFP ester
416.3≥95% Pricing
Acid-PEG-t-butyl ester
AP11646Acid-PEG1-t-butyl ester
Quick viewAcid-PEG1-t-butyl ester
218.25≥95% Pricing
AP10669Acid-PEG2-t-butyl ester
Quick viewAcid-PEG2-t-butyl ester
262.30≥95% Pricing
AP10031Acid-CH2-PEG3-CH2-t-butyl ester
Quick viewAcid-CH2-PEG3-CH2-t-butyl ester
278.3≥98% Pricing
AP10670Acid-PEG3-t-butyl ester
Quick viewAcid-PEG3-t-butyl ester
306.35≥95% Pricing
AP10671Acid-PEG4-t-butyl ester
Quick viewAcid-PEG4-t-butyl ester
350.41≥95% Pricing
AP10032Acid-CH2-PEG5-CH2-t-butyl ester
Quick viewAcid-CH2-PEG5-CH2-t-butyl ester
366.40≥98% Pricing
AP11647t-butyl ester-PEG5-CH2COOH
Quick viewt-butyl ester-PEG5-CH2COOH
380.43≥95% Pricing
AP10665Acid-PEG5-t-butyl ester
Quick viewAcid-PEG5-t-butyl ester
394.46≥95% Pricing
AP10667Acid-PEG6-t-butyl ester
Quick viewAcid-PEG6-t-butyl ester
438.51≥95% Pricing
AP10668Acid-PEG7-t-butyl ester
Quick viewAcid-PEG7-t-butyl ester
482.56≥95% Pricing
Acid-PEG-TEMPO
AP11657Acid-PEG5-TEMPO
Quick viewAcid-PEG5-TEMPO
491.6≥95% Pricing
Ald-benzoylamide-PEG-CH2 acid
AP10080Ald-benzoylamide-PEG2-CH2 acid
Quick viewAld-benzoylamide-PEG2-CH2 acid
295.29≥95% Pricing
AP10081Ald-benzoylamide-PEG3-CH2 acid
Quick viewAld-benzoylamide-PEG3-CH2 acid
339.34≥95% Pricing

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