Polyethylene Glycol (PEGs & PEOs)

t-Boc-N-amido-PEG5-acid is a PEG derivative containing a terminal carboxylic acid and Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can be reacted with primary amine groups

t-Boc-N-Amido-PEG5-amine is a PEG derivative containing an amino group and Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The amino group is reactive with carboxylic acids, activated NHS esters,

t-Boc-N-Amido-PEG5-amine is a PEG derivative containing an amino group and Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The amino group is reactive with carboxylic acids, activated NHS esters,

t-Boc-N-Amido-PEG5-amine is a PEG derivative containing an amino group and Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The amino group is reactive with carboxylic acids, activated NHS esters,

t-Boc-N-Amido-PEG5-Ms is a PEG derivative that contains a Boc protecting group and a mesyl group. The t-Boc group can be removed under acidic conditions to produce a reactive free amine. The mesyl group is a good leaving group for nucleophilic

t-Boc-N-Amido-PEG5-Ms is a PEG derivative that contains a Boc protecting group and a mesyl group. The t-Boc group can be removed under acidic conditions to produce a reactive free amine. The mesyl group is a good leaving group for nucleophilic

t-Boc-N-Amido-PEG5-Ms is a PEG derivative that contains a Boc protecting group and a mesyl group. The t-Boc group can be removed under acidic conditions to produce a reactive free amine. The mesyl group is a good leaving group for nucleophilic

t-Boc-N-amido-PEG5-NHS ester is a PEG derivative containing an NHS ester and a Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The Boc group can be deprotected under mild acidic conditions to form the

t-Boc-N-amido-PEG5-NHS ester is a PEG derivative containing an NHS ester and a Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The Boc group can be deprotected under mild acidic conditions to form the

t-Boc-N-amido-PEG5-NHS ester is a PEG derivative containing an NHS ester and a Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The Boc group can be deprotected under mild acidic conditions to form the

t-Boc-N-amido-PEG6-acid is a PEG derivative containing a terminal carboxylic acid and Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can be reacted with primary amine groups

t-Boc-N-amido-PEG6-acid is a PEG derivative containing a terminal carboxylic acid and Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can be reacted with primary amine groups