t-Boc-Aminooxy-PEG-Ms is a compound used in pharmaceutical research and development for its unique functional properties. It is a member of the polyethylene glycol (PEG) family, which is commonly used to improve the solubility and bioavailability of drugs. The t-Boc group is a protective group used to shield the amine group from unwanted reactions. The aminooxy group is a functional group that reacts with aldehydes and ketones to form oximes, making it useful for drug conjugation and cross-linking. The Ms group is a leaving group that can be displaced by nucleophiles.t-Boc-Aminooxy-PEG-Ms has a variety of functional groups that make it a versatile tool for drug development, particularly in the areas of drug delivery and targeted therapy.