Linear Lipid PEGs from JenKem Technology are generally employed in liposome formation for drug delivery applications. We currently provide DSPE, and Oleic Acid PEG derivatives. Lipid PEG products with molecular weights, branching, and functional groups not listed in our online catalog may be available by custom synthesis. Please inquire at email@example.com about pricing and availability of custom PEGylation products. Bulk PEGs and GMP PEGs are also available upon request. Please contact us for special bulk pricing.