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Branched PEG (Multi-arm PEG) Linkers have drawn much of attention in ADC research and development. It provides researchers an opportunity to get higher concentration of ADC payloads to the target cell per unit of binding antibody by improving DAR.
Multi-arm PEG have improved aqueous solubility. Therefore, they help prevent ADC conjugate from aggregation or losing binding affinity. The combined benefits of PEG and branching effects enable conjugation of hydrophobic drugs at a higher DAR ratio than SPDB and SMCC linkers.
AxisPharm offers a diversified collection of branched or multi-arm Polyethylene Glycol reagents in our San Diego site. Furthermore, we are well equipped to provide custom synthesis of multi-arm ADC linkers to facilitate ADC research.

Branched PEG
  • Branched Amino PEG
  • Branched PEG Acid
  • Branched PEG PFP ester
  • Branched Aminooxy PEG
  • Branched Biotin PEG
  • Branched Cbz
  • Branched Hydroxy PEG
  • Branched PEG Azide
  • Branched PEG Maleimide
  • Branched PEG NHS ester
  • Branched PEG Tosylate
  • Branched Propargyl PEG
  • Other Branched PEG
Cat# Name Structure M.W. Purity Pricing
Branched Amino PEG
AP122032-Amino-1,3-bis(carboxylethoxy)propane HCl salt235.24≥95% Pricing
AP12208Amino-Tri-(carboxyethoxymethyl)-methane337.33≥95% Pricing
AP122132-Amino-1,3-bis(t-butoxycarbonylethoxy)propane347.45≥95% Pricing
AP12366N-(Amino-PEG1)-N-bis(PEG2-propargyl) HCl salt356.46≥95% Pricing
AP12217NH-bis(PEG2-t-butyl ester)449.59≥95% Pricing
AP12222NH-bis(PEG2-NHBoc)479.62≥95% Pricing
AP12218NH-bis(PEG3-t-butyl ester)537.69≥95% Pricing
AP12223NH-bis(PEG3-Boc)567.72≥95% Pricing
AP12206N-(acid-PEG3)-N-bis(PEG3-amine)571.71≥95% Pricing
AP12207N-(Azido-PEG3)-N-(PEG2-amine)-PEG3-acid581.66≥95% Pricing
AP12204N-(Amino-PEG3)-N-bis(PEG3-acid) HCl salt600.7≥95% Pricing
AP12219NH-bis(PEG4-t-butyl ester)625.8≥95% Pricing
AP12221N-(t-Boc-N-Amido-PEG4)-NH-PEG4-t-butyl ester640.81≥95% Pricing
AP12224NH-bis(PEG4-Boc)655.83≥95% Pricing
AP12214N-(Amino-PEG3)-N-bis(PEG3-t-butyl ester) HCl salt712.92≥95% Pricing
AP12210Tri(Amino-PEG3-amide)-amine TFA salt755.95≥95% Pricing
AP12205N-(Amino-PEG5)-N-bis(PEG4-acid)776.92≥95% Pricing
AP12215N-(Amino-PEG3)-N-bis(PEG4-t-butyl ester)801.03≥95% Pricing
AP12216N-(Amino-PEG4)-N-bis(PEG4-t-butyl ester)845.08≥95% Pricing
AP12209N-(Mal-PEG6)-N-bis(PEG3-amine) TFA salt854.01≥95% Pricing
AP12211Tri(Amino-PEG4-amide)-amine TFA salt888.11≥95% Pricing
AP12225Amino-Tri-(m-PEG4-ethoxymethyl)-methane905.09≥95% Pricing
AP12212Tri(Amino-PEG5-amide)-amine TFA salt1020.27≥95% Pricing
Branched PEG Acid
AP122032-Amino-1,3-bis(carboxylethoxy)propane HCl salt235.24≥95% Pricing
AP117334-(N-Boc-amino)-1,6-heptanedioic acid275.3≥95% Pricing

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