Polyethylene Glycol (PEGs & PEOs)

t-Boc-N-amido-PEG3-sulfonic acid is a PEG derivative containing a t-Boc protected amine group and a sulfonic acid. The t-Boc protecting group can be removed under acidic conditions so that the amine can be further reacted. The sulfonic acid can

t-Boc-N-amido-PEG3-sulfonic acid is a PEG derivative containing a t-Boc protected amine group and a sulfonic acid. The t-Boc protecting group can be removed under acidic conditions so that the amine can be further reacted. The sulfonic acid can

t-Boc-N-amido-PEG3-sulfonic acid is a PEG derivative containing a t-Boc protected amine group and a sulfonic acid. The t-Boc protecting group can be removed under acidic conditions so that the amine can be further reacted. The sulfonic acid can

t-Boc-N-amido-PEG3-sulfonic acid is a PEG derivative containing a t-Boc protected amine group and a sulfonic acid. The t-Boc protecting group can be removed under acidic conditions so that the amine can be further reacted. The sulfonic acid can

t-Boc-N-Amido-PEG3-Tos.

t-Boc-N-Amido-PEG3-Tos.

t-Boc-N-Amido-PEG3-Tos.

t-Boc-N-amido-PEG36-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-PEG36-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-PEG36-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-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-(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