Polyethylene Glycol (PEGs & PEOs)

t-Butoxycarbonyl-PEG2-sulfonic acid is a PEG derivative containing a t-Boc protecting group and sulfonic acid moiety. The t-Boc protecting group can be removed under acidic conditions. The sulfonic acid can undergo esterification, halogenation and

t-Butoxycarbonyl-PEG2-sulfonic acid is a PEG derivative containing a t-Boc protecting group and sulfonic acid moiety. The t-Boc protecting group can be removed under acidic conditions. The sulfonic acid can undergo esterification, halogenation and

t-Butoxycarbonyl-PEG4-NHS ester has a t-Boc protecting group and an NHS ester moiety. The t-butyl group can be deprotected under acidic conditions. NHS ester can react specifically and efficiently with primary amines such as the side chain of lysine

t-Butoxycarbonyl-PEG4-NHS ester has a t-Boc protecting group and an NHS ester moiety. The t-butyl group can be deprotected under acidic conditions. NHS ester can react specifically and efficiently with primary amines such as the side chain of lysine

t-Butoxycarbonyl-PEG4-NHS ester has a t-Boc protecting group and an NHS ester moiety. The t-butyl group can be deprotected under acidic conditions. NHS ester can react specifically and efficiently with primary amines such as the side chain of lysine

t-Butoxycarbonyl-PEG4-NHS ester has a t-Boc protecting group and an NHS ester moiety. The t-butyl group can be deprotected under acidic conditions. NHS ester can react specifically and efficiently with primary amines such as the side chain of lysine

t-Butoxycarbonyl-PEG4-S-PEG4-t-butyl ester contains two t-butyl ester groups which can be removed under acidic conditions. The hydrophilic PEG spacer increases the water solubility of the compound.

t-Butoxycarbonyl-PEG4-S-PEG4-t-butyl ester contains two t-butyl ester groups which can be removed under acidic conditions. The hydrophilic PEG spacer increases the water solubility of the compound.

t-Butoxycarbonyl-PEG4-S-PEG4-t-butyl ester contains two t-butyl ester groups which can be removed under acidic conditions. The hydrophilic PEG spacer increases the water solubility of the compound.

t-Butoxycarbonyl-PEG4-sulfonic acid is a PEG derivative containing a t-butyl protecting group and sulfonic acid moiety. t-bytl can be removed under acidic conditions. Sulfonic acid groups can participate in esterification, halogenation and

t-Butoxycarbonyl-PEG4-sulfonic acid is a PEG derivative containing a t-butyl protecting group and sulfonic acid moiety. t-bytl can be removed under acidic conditions. Sulfonic acid groups can participate in esterification, halogenation and

t-Butoxycarbonyl-PEG4-sulfonic acid is a PEG derivative containing a t-butyl protecting group and sulfonic acid moiety. t-bytl can be removed under acidic conditions. Sulfonic acid groups can participate in esterification, halogenation and