Polyethylene Glycol (PEGs & PEOs)

Mal-amido-PEG4-NHS is a PEG derivative containing a maleimide group and an NHS ester. The hydrophilic PEG spacer increases solubility in aqueous media. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified

Mal-amido-PEG4-NHS is a PEG derivative containing a maleimide group and an NHS ester. The hydrophilic PEG spacer increases solubility in aqueous media. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified

Mal-amido-PEG4-NHS is a PEG derivative containing a maleimide group and an NHS ester. The hydrophilic PEG spacer increases solubility in aqueous media. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified

Mal-Amido-PEG4-t-butyl ester is a PEG derivative containing a maleimide group and a t-butyl ester group. The hydrophilic PEG spacer increases solubility in aqueous media. The t-butyl protected carboxyl group can be deprotected under acidic

Mal-Amido-PEG4-t-butyl ester is a PEG derivative containing a maleimide group and a t-butyl ester group. The hydrophilic PEG spacer increases solubility in aqueous media. The t-butyl protected carboxyl group can be deprotected under acidic

Mal-Amido-PEG4-t-butyl ester is a PEG derivative containing a maleimide group and a t-butyl ester group. The hydrophilic PEG spacer increases solubility in aqueous media. The t-butyl protected carboxyl group can be deprotected under acidic

Mal-amido-PEG4-TFP ester is PEG derivative containing a maleimide and TFP ester end group. Maleimide groups are reactive with thiols between pH 6.5 and 7.5. The TFP ester can be reacted with primary amine groups and is also less susceptible to

Mal-amido-PEG4-TFP ester is PEG derivative containing a maleimide and TFP ester end group. Maleimide groups are reactive with thiols between pH 6.5 and 7.5. The TFP ester can be reacted with primary amine groups and is also less susceptible to

Mal-amido-PEG4-TFP ester is PEG derivative containing a maleimide and TFP ester end group. Maleimide groups are reactive with thiols between pH 6.5 and 7.5. The TFP ester can be reacted with primary amine groups and is also less susceptible to

Mal-amido-PEG5-alkyne is a PEG derivative containing a maleimide group and an alkyne. The hydrophilic PEG spacer increases solubility in aqueous media. The alkyne group can be reacted with azide-bearing compounds or biomolecules via copper catalyzed

Mal-amido-PEG5-alkyne is a PEG derivative containing a maleimide group and an alkyne. The hydrophilic PEG spacer increases solubility in aqueous media. The alkyne group can be reacted with azide-bearing compounds or biomolecules via copper catalyzed

Mal-amido-PEG5-alkyne is a PEG derivative containing a maleimide group and an alkyne. The hydrophilic PEG spacer increases solubility in aqueous media. The alkyne group can be reacted with azide-bearing compounds or biomolecules via copper catalyzed