m-PEG12-acid is a PEG derivative containing a terminal carboxylic acid. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The hydrophilic PEG spacer increases solubility in aqueous media.

T-Butyl 1,3-dihydroxypropan-2-ylcarbamate is a PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

Tr-PEG5 is a PEG derivative.

THP-PEG5 is a PEG linker.

Azido-PEG7-alcohol is a PEG derivative containing an azide group and a terminal hydroxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The hydroxyl group enables further derivatization or replacement with other reactive functional groups.

Fmoc-PEG4-NHS ester is a PEG derivative containing an Fmoc-protected amine and an NHS ester. The hydrophilic PEG spacer increases solubility in aqueous media. The Fmoc group can be deprotected under basic conditions to obtain the free amine which can be used for further conjugations. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.

TAMRA-PEG4-Alkyne is a TAMRA red-fluorescent dye derivative with excitation/emission maximum 553/575 nm, containing an alkyne group which enables Click Chemistry.

TAMRA-PEG3-Azide is a TAMRA red-fluorescent dye derivative, with excitation/emission maximum 553/575 nm, containing an azide group, which enables Click Chemistry.

Azido-PEG3-SS-PEG3-azide is a cleavable PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

Bromoacetamido-PEG4-NHS ester is a PEG derivative containing a bromide group and an NHS ester. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.

m-PEG9-bromide is a PEG derivative. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The hydrophilic PEG spacer increases solubility in aqueous media.

m-PEG6-bromide is a PEG derivative. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The hydrophilic PEG spacer increases solubility in aqueous media.

t-Boc-N-Amido-PEG6-propargyl is a PEG derivative containing a propargyl group and Boc-protected amino group. The propargyl group can be reacted with azide-bearing compounds or biomolecules via copper catalyzed azide-alkyne Click Chemistry to yield a stable triazole linkage. The Boc group can be deprotected under mild acidic conditions to form the free amine.

t-Boc-N-Amido-PEG4-propargyl is a PEG derivative containing a propargyl group and Boc-protected amino group. The propargyl group can be reacted with azide-bearing compounds or biomolecules via copper catalyzed azide-alkyne Click Chemistry to yield a stable triazole linkage. The Boc group can be deprotected under mild acidic conditions to form the free amine.

N-methyl-N-(t-Boc)-PEG4-acid is a Boc PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

t-boc-N-amido-PEG6-azide is a PEG derivative containing an azide group and Boc-protected amino group. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The Boc group can be deprotected under mild acidic conditions to form the free amine. PEG Linkers may be useful in the development of antibody drug conjugates.

t-Boc-N-amido-PEG1-NHS ester is a Boc-protected PEG linker. The Boc group can be deprotected under acidic conditions to generate a free amine group. PEG Linkers may be useful in the development of antibody drug conjugates (ADCs).

Bis-PEG11-NHS ester is a PEG derivative containing two NHS ester groups. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

Bis-PEG4-NHS ester is a PEG derivative containing two NHS ester groups. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. PEG Linkers may be useful in the development of antibody drug conjugates (ADCs).

Bis-PEG3-NHS ester is a PEG derivative containing two NHS ester groups. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

Bis-PEG9-acid is a PEG derivative containing two terminal carboxylic acid groups. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond.

Bis-PEG8-acid is a PEG derivative containing two terminal carboxylic acid groups. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. PEG Linkers may be useful in the development of antibody drug conjugates.

Biotin-PEG3-NHS ester is PEG derivative containing a biotin group and an NHS ester group. The NHS group reacts specifically and efficiently with lysine and N-terminal amino groups at pH 7-9 to form stable amide bonds. PEG Linkers may be useful in the development of antibody drug conjugates.

Benzyl-PEG2-CH2CO2tBu is a Benzyl PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

Benzyl-PEG4-acid is a Benzyl PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

Benzyl-PEG2-azide is a PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

Benzyl-PEG2-amine is a Benzyl PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

t-Boc-Aminooxy-PEG3-azide is a crosslinker containing a t-Boc-aminooxy group and an azide group. The protected amine can be deprotected under mild acidic conditions. The hydrophilic PEG spacer increases solubility in aqueous media. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage.

t-Boc-Aminooxy-PEG3-amine is a PEG derivative containing a Boc-protected aminooxy group and an amino group. The protected aminooxy can be deprotected under mild acidic conditions and then can be reacted with an aldehyde or ketone group to form a stable oxime linkage. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc.

NH-bis(m-PEG4) is an Amino PEG Linker. PEG Amines contain an amino group which can react with acids, succinimidyl-active esters, or pentafluorophenyl esters for labeling, chemical modification, surface or particle modifications.