Polyethylene Glycol (PEGs & PEOs)

m-PEG3-S-Acetyl is a PEG derivative with a sulfur-acetyl end group. The sulfur acetyl group can be deprotected to generate thiol groups. After the formation of the thiol group, it is able to react with maleimides, disulfides, haloacteamides and

m-PEG3-S-PEG1-t-butyl ester is a PEG derivative containing a t-butyl protected carboxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The t-butyl protected carboxyl group (COOH) prevents self-coupling or polymerization

m-PEG3-S-PEG1-t-butyl ester is a PEG derivative containing a t-butyl protected carboxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The t-butyl protected carboxyl group (COOH) prevents self-coupling or polymerization

m-PEG3-S-PEG1-t-butyl ester is a PEG derivative containing a t-butyl protected carboxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The t-butyl protected carboxyl group (COOH) prevents self-coupling or polymerization

m-PEG3-S-PEG3-OH is a PEG derivative containing a hydroxyl group. The hydroxyl group can be reacted to further derivatize the compound. The hydrophilic PEG spacer increases solubility in aqueous media.

m-PEG3-S-PEG3-OH is a PEG derivative containing a hydroxyl group. The hydroxyl group can be reacted to further derivatize the compound. The hydrophilic PEG spacer increases solubility in aqueous media.

m-PEG3-S-PEG3-OH is a PEG derivative containing a hydroxyl group. The hydroxyl group can be reacted to further derivatize the compound. The hydrophilic PEG spacer increases solubility in aqueous media.

m-PEG3-S-PEG3-t-butyl ester is a PEG derivative containing a t-butyl ester moiety. The t-butyl ester can be removed under acidic conditions. The hydrophilic PEG spacer increases solubility in aqueous media.

m-PEG3-S-PEG3-t-butyl ester is a PEG derivative containing a t-butyl ester moiety. The t-butyl ester can be removed under acidic conditions. The hydrophilic PEG spacer increases solubility in aqueous media.

m-PEG3-S-PEG3-t-butyl ester is a PEG derivative containing a t-butyl ester moiety. The t-butyl ester can be removed under acidic conditions. The hydrophilic PEG spacer increases solubility in aqueous media.

m-PEG3-S-PEG3-t-butyl ester is a PEG derivative containing a t-butyl ester moiety. The t-butyl ester can be removed under acidic conditions. The hydrophilic PEG spacer increases solubility in aqueous media.

m-PEG3-Sulfone-PEG2-OH is a PEG derivative containing sulfone and hydroxyl moieties. The sulfone can be reacted with thiol groups of proteins. The hydroxyl group can be reacted to further derivatize the compound. The hydrophilic PEG linker increases