Polyethylene Glycol (PEGs & PEOs)

m-PEG9-t-butyl ester is a PEG derivative containing a t-butyl ester. The t-butyl protecting group can be removed under acidic conditions. The hydrophilic PEG spacer increases the water solubility of a compound in aqueous media.

m-PEG9-t-butyl ester is a PEG derivative containing a t-butyl ester. The t-butyl protecting group can be removed under acidic conditions. The hydrophilic PEG spacer increases the water solubility of a compound in aqueous media.

m-PEG9-t-butyl ester is a PEG derivative containing a t-butyl ester. The t-butyl protecting group can be removed under acidic conditions. The hydrophilic PEG spacer increases the water solubility of a compound in aqueous media.

m-PEG9-Tos is a PEG derivative containing a tosyl group. The tosyl group is a very good leaving group for nucleophilic substitution reactions. The hydrophilic PEG spacer increases solubility in aqueous media.

m-PEG9-Tos is a PEG derivative containing a tosyl group. The tosyl group is a very good leaving group for nucleophilic substitution reactions. The hydrophilic PEG spacer increases solubility in aqueous media.

m-PEG9-Tos is a PEG derivative containing a tosyl group. The tosyl group is a very good leaving group for nucleophilic substitution reactions. The hydrophilic PEG spacer increases solubility in aqueous media.

Mal-amido-PEG10-acid is a PEG derivative containing a maleimide group and a terminal carboxylic acid. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can be reacted with primary amine groups in the

Mal-amido-PEG10-acid is a PEG derivative containing a maleimide group and a terminal carboxylic acid. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can be reacted with primary amine groups in the

Mal-amido-PEG10-acid is a PEG derivative containing a maleimide group and a terminal carboxylic acid. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can be reacted with primary amine groups in the

Mal-amido-PEG11-amine TFA salt is a PEG derivative containing a maleimide group and an amine group. The hydrophilic PEG spacer increases solubility in aqueous media. The amine group is reactive with carboxylic acids, activated NHS esters, carbonyls

Mal-amido-PEG11-amine TFA salt is a PEG derivative containing a maleimide group and an amine group. The hydrophilic PEG spacer increases solubility in aqueous media. The amine group is reactive with carboxylic acids, activated NHS esters, carbonyls

Mal-amido-PEG11-NHBoc is a PEG derivative containing a maleimide group and a Boc protected amine group. The hydrophilic PEG spacer increases solubility in aqueous media. The protected amine can be deprotected by acidic conditions. The maleimide