Hydroxy-PEG1-methyl ester is a PEG derivative containing a hydroxyl group and a methyl ester. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. Methyl ester can be hydrolyzed under strong basic condition.

PEG22 is a PEG Linker. PEG Linkers may be useful in the development of antibody drug conjugates.

THP-PEG12 is a PEG linker.

PEG9-Tos is a PEG derivative containing a hydroxyl group with a tosyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. The tosyl group is a very good leaving group for nucleophilic substitution reactions. The PEG linker contains 8 units of ethylene glycol

Hydroxy-PEG8-acid is a PEG derivative containing a hydroxyl group with 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. The hydroxyl group enables further derivatization or replacement with other reactive functional groups.

Hydroxy-PEG1-acid is a PEG derivative containing a hydroxyl group with 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. The hydroxyl group enables further derivatization or replacement with other reactive functional groups.

DNP-PEG3-azide is a PEG Linker

Bromoacetamido-PEG3-azide is a PEG derivative containing a bromide group and a terminal azide. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage.

3-(2-bromoacetamido)propanoic acid is a compound containing a bromide group and a terminal carboxylic acid. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. 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.

Bromo-PEG5-alcohol is a PEG derivative containing a bromide group and a terminal hydroxyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The hydroxyl group enables further derivatization or replacement with other reactive functional groups.

t-boc-N-amido-PEG5-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-PEG4-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.

t-Boc-N-Amido-PEG2-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.

Bis-PEG7-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 the antibody drug conjugates.

Bis-PEG3-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-PEG11-azide is PEG derivative containing a biotin group and an azide group. The azide group can react to form a stable triazole linkage. The hydrophilic PEG spacer increases membrane impermeability of the molecules conjugated to the biotin compound. It also helps to minimize steric hindrance involved with the binding to avidin molecules. PEG Linkers may be useful in the development of antibody drug conjugates.

Biotin-PEG6-alcohol is a PEG derivative containing a biotin group and a terminal primary hydroxyl. PEG Linkers may be useful in the development of antibody drug conjugates and drug delivery methods.

Benzyl-PEG2-CH2CO2H is a Benzyl PEG Linker. Benzyl-PEG2-CH2CO2H may be useful in the development of antibody drug conjugates.

t-Boc-Aminooxy-PEG3-bromide is a crosslinker containing a t-Boc-aminooxy group and a bromide group. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. Aminooxy PEGs may be useful in bioconjugation experiments.

t-Boc-Aminooxy-PEG4-alcohol is a PEG derivative containing a Boc-protected aminooxy group and an alcohol 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 hydroxyl group enables further derivatization or replacement with other reactive functional groups. Aminooxy PEG Linkers may be useful in bioconjugation experiments.

Bis-aminooxy-PEG1 is a PEG derivative containing two aminooxy groups that can be used in bioconjugation. It reacts with an aldehyde to form an oxime bond. If a reductant is used, it will form a hydroxylamine linkage. PEG Linkers may be useful in the development of antibody drug conjugates and drug delivery methods.

t-Boc-N-amido-PEG11-amine is a PEG derivative containing an amino group and Boc-protected amino group. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The Boc group can be deprotected under mild acidic conditions to form the free amine. PEG Linkers are useful in the development of antibody drug conjugates.

Azido-PEG10-amine is a PEG derivative containing an amino group with an azide group. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. PEG Linkers may be useful in the development of antibody drug conjugates and drug delivery methods.

Azido-PEG6-amine is a PEG derivative containing an amino group with an azide group. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. PEG Linkers are useful in the development of antibody drug conjugates and drug delivery methods.

Azido-PEG4-amine is a PEG derivative containing an amino group with an azide group. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. PEG Linkers may be useful in the development of antibody drug conjugates and drug delivery methods.

Amino-PEG10-amine is a PEG derivative containing two amino groups. The amino groups are reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. PEG Linkers may be useful in the development of antibody drug conjugates and drug delivery methods.

Amino-PEG3-amine is a PEG derivative containing two amino groups. The amino groups are reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. PEG Linkers may be useful in the development of antibody drug conjugates and drug delivery methods.

Amino-PEG2-amine is a PEG derivative containing two amino groups. The amino groups are reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. PEG Linkers may be useful in the development of antibody drug conjugates and drug delivery methods.

Amino-PEG12-alcohol is a PEG derivative containing an amino group with a hydroxyl group. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. PEG Linkers may be useful in the development of antibody drug conjugates.

Amino-PEG2-alcohol is a PEG derivative containing an amino group with a hydroxyl group. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The hydroxyl group enables further derivatization or replacement with other reactive functional groups. PEG Linkers may be useful in the development of antibody drug conjugates and drug delivery methods.