Polyethylene Glycol (PEGs & PEOs)

t-Boc-N-amido-PEG4-(CH2)3CO2H 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

t-Boc-N-amido-PEG4-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-PEG4-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-PEG4-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-PEG4-Ms is contains a t-Boc protected amine and a mesyl group. The t-Boc can be removed under acidic conditions. The mesyl group is a good leaving group for nucleophilic substitution reactions. The hydrophilic PEG spacer increases the

t-Boc-N-Amido-PEG4-Ms is contains a t-Boc protected amine and a mesyl group. The t-Boc can be removed under acidic conditions. The mesyl group is a good leaving group for nucleophilic substitution reactions. The hydrophilic PEG spacer increases the

t-Boc-N-Amido-PEG4-Ms is contains a t-Boc protected amine and a mesyl group. The t-Boc can be removed under acidic conditions. The mesyl group is a good leaving group for nucleophilic substitution reactions. The hydrophilic PEG spacer increases the

t-Boc-N-amido-PEG4-NHS ester is a PEG derivative containing a Boc-protected amine group and an NHS ester group. The hydrophilic PEG spacer increases solubility in aqueous media. The NHS ester can be used to label the primary amines (-NH2) of

t-Boc-N-amido-PEG4-NHS ester is a PEG derivative containing a Boc-protected amine group and an NHS ester group. The hydrophilic PEG spacer increases solubility in aqueous media. The NHS ester can be used to label the primary amines (-NH2) of

t-Boc-N-amido-PEG4-NHS ester is a PEG derivative containing a Boc-protected amine group and an NHS ester group. The hydrophilic PEG spacer increases solubility in aqueous media. The NHS ester can be used to label the primary amines (-NH2) of

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-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