Polyethylene Glycol (PEGs & PEOs)

N-Me-N-bis(PEG4-t-butyl ester) is a PEG derivative containing a methylamine group and a t-butyl ester. The hydrophilic PEG spacer increases solubility in aqueous media. The methylamine group is reactive with carboxylic acids, carbonyls (ketone,

N-Me-N-bis(PEG4-t-butyl ester) is a PEG derivative containing a methylamine group and a t-butyl ester. The hydrophilic PEG spacer increases solubility in aqueous media. The methylamine group is reactive with carboxylic acids, carbonyls (ketone,

N-Me-N-bis(PEG4-t-butyl ester) is a PEG derivative containing a methylamine group and a t-butyl ester. The hydrophilic PEG spacer increases solubility in aqueous media. The methylamine group is reactive with carboxylic acids, carbonyls (ketone,

N-methyl-N-(t-Boc)-PEG4-acid is a PEG derivative containing a t-Boc protecting group and a terminal carboxylic acid. The t-Boc protecting group is acid lablie. The terminal carboxylic acid can be reacted with primary amines in the presence of

N-methyl-N-(t-Boc)-PEG4-acid is a PEG derivative containing a t-Boc protecting group and a terminal carboxylic acid. The t-Boc protecting group is acid lablie. The terminal carboxylic acid can be reacted with primary amines in the presence of

N-methyl-N-(t-Boc)-PEG4-acid is a PEG derivative containing a t-Boc protecting group and a terminal carboxylic acid. The t-Boc protecting group is acid lablie. The terminal carboxylic acid can be reacted with primary amines in the presence of

N-Tos-N-(t-butoxycarbonyl)-aminoxy-PEG4-Tos is a PEG derivative containing tosyl, boc and aminoxy moieties. Tosyl is a good leaving group and can also act as an alcohol protecting group in organic synthesis. The t-Boc protecting group can be removed

N-Tos-N-(t-butoxycarbonyl)-aminoxy-PEG4-Tos is a PEG derivative containing tosyl, boc and aminoxy moieties. Tosyl is a good leaving group and can also act as an alcohol protecting group in organic synthesis. The t-Boc protecting group can be removed

N-Tos-N-(t-butoxycarbonyl)-aminoxy-PEG4-Tos is a PEG derivative containing tosyl, boc and aminoxy moieties. Tosyl is a good leaving group and can also act as an alcohol protecting group in organic synthesis. The t-Boc protecting group can be removed

N-Tos-N-(t-butoxycarbonyl)-aminoxy-PEG4-Tos is a PEG derivative containing tosyl, boc and aminoxy moieties. Tosyl is a good leaving group and can also act as an alcohol protecting group in organic synthesis. The t-Boc protecting group can be removed

N1,N1'-(1,4-phenylenebis(methylene))bis(N1-(2-aminoethyl)ethane-1,2-diamine) HCl salt contains four free amine groups that are able to react with carboxylic acids, activated NHS esters and other carbonyl groups.

N1,N1'-(1,4-phenylenebis(methylene))bis(N1-(2-aminoethyl)ethane-1,2-diamine) HCl salt contains four free amine groups that are able to react with carboxylic acids, activated NHS esters and other carbonyl groups.