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Catalog	name	Description	price
R-M-2028	Azido-PEG2-PFP ester,CAS:1393330-37-4	Azido-PEG2-PFP ester is a PEG linker with azide and PFP ester moieties. The azide can participate in copper-catalyzed Click Chemistry reactions with alkynes, DBCO and BCN to produce triazole linkages. The PFP is an amine reactive, activated ester. PFP esters form stable amide bonds and are less likely to undergo hydrolysis compared to other amine reactive moieties. The hydrophilic PEG linker increases the water solubility of compounds in aqueous environments.	price>
R-M-2029	2-((Azido-PEG8-carbamoyl)methoxy)acetic acid,CAS:846549-37-9	2-((Azido-PEG8-carbamoyl)methoxy)acetic acid is a PEG linker containing an azide group with a terminal carboxylic acid. 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 terminal carboxylic acid can react with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond.	price>
R-M-2030	Azido-PEG4-hydrazide HCl Salt,Cas:2170240-96-5	Azido-PEG4-hydrazide HCl salt is a PEG linker containing an azide group and a hydrazide group. The hydrophilic PEG spacer increases solubility of a compound in aqueous media. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The hydrazide group can react with an aldehyde to form a semi-permanent hydrozone bond.	price>
R-M-2031	Azido-PEG6-t-butyl ester,Cas:406213-76-1	Azido-PEG6-t-butyl ester is a PEG molecule consisting of an azide group and a t-butyl ester moiety. he azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The t-butyl protected carboxyl group can be deprotected under acidic conditions. The hydrophilic PEG5 spacer increases solubility in aqueous media.	price>
R-M-2032	17-(Azide-PEG6-ethylcarbamoyl)heptadecanoic t-butyl ester	17-(Azide-PEG6-ethylcarbamoyl)heptadecanoic t-butyl ester is a PEG linker containing an azide group and a t-butyl ester group. The azide can participate in copper-catalyzed Click Chemistry reactions with alkynes, DBCO and BCN to form triazole groups. The t-butyl protected carboxyl group can be deprotected under acidic conditions.	price>
R-M-2033	5-(Azide-PEG9-ethylcarbamoyl)pentanoic t-butyl ester	5-(Azide-PEG9-ethylcarbamoyl)pentanoic t-butyl ester is a PEG molecule consisting of an azide group and a t-butyl ester group. Azide (N3) can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The t-butyl protected carboxyl group can be deprotected under acidic conditions.	price>
R-M-2034	9-(Azide-PEG9-ethylcarbamoyl)nonanoic t-butyl ester	9-(Azide-PEG9-ethylcarbamoyl)nonanoic t-butyl ester is a PEG linker containing an azide group and a t-butyl ester. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The t-butyl protected carboxyl group can be deprotected under acidic conditions.	price>
R-M-2035	13-(Azide-PEG9-ethylcarbamoyl)tridecanoic t-butyl ester	13-(Azide-PEG9-ethylcarbamoyl)tridecanoic t-butyl ester is a PEG linker containing an azide group and a t-butyl ester. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. The t-butyl protected carboxyl group can be deprotected under acidic conditions.	price>
R-M-2036	Azido-PEG3-CH2CO2-t-Bu,Cas:172531-36-1	Azido-PEG3-CH2CO2-t-Bu is a N3 (azide) containing t-butyl ester. 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 t-butyl protected carboxyl group can be deprotected under acidic conditions.	price>
R-M-2037	Azido-PEG6-alcohol,Cas:86770-69-6	Azido-PEG6-alcohol, a water soluble reagent, consist of an azide and a terminal hydroxyl group. 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.	price>

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