Others

Cyclooct-4-en-1-yl(2-(2-(2-hydroxyethoxy)ethoxy)ethyl)carbamate is commonly used in Click Chemistry reactions. The hydroxyl group allows for additional reactions to take place to further derivatize the compound.

AZD-PEG2-PFP is a PEG linker containing an AZD group and a PFP ester group, an activated ester that reacts with primary amines to form amide bonds. The hydrophilic PEG spacer increases solubility in aqueous media.

TCO-PEG2-TCO is a homebifunctional reagent containing TCO moiety at both ends of the molecule. TCO group specifically and efficiently reacts with tetrazine. The hydrophilic PEG linker increases the solubility of compounds in aqueous media.

3-[[2-[(4-azidobenzoyl)amino]ethyl]dithio]propanoicacid contains an aryl azide, a cleavable disulfide bond, and a carboxylic acid. The aryl azide can be photo-activated with UV light (250 to 350 nm) for conjugation with biomolecules. The carboxylic acid can be reacted with amines in the presence of an activator to form an amide bond. The disulfide bond can be cleaved via reducing agents.

N1, N4-Bisazidospermine bistosylate is a spermine linker containing two azide groups. The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. Spermidine is a polyamine that modulates various cellular activities like cellular development and differentiation, stability of DNA, and apoptosis.

endo-BCN-PEG4-amine is a click chemistry crosslinker reagent. The BCN groupis very reactive with azide-tagged molecules. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc.

t-Butoxycarbonyl-PEG2-NHS ester has a t-Boc protecting group and an NHS ester moiety. The t-butyl group can be deprotected under acidic conditions. NHS ester can react specifically and efficiently with primary amines such as the side chain of lysine residues or aminosilane-coated surfaces at neutral or slightly basic condition to form a covalent bond. The hydrophilic PEG linker increases the water solubility of the compound in aqueous media.

t-Butyl 3-(hydroxypropoxyl)-propanoate contains reactive hydroxyl and t-butyl protected carboxyl moieties. The hydroxyl group can react to further derivatize the compound. The t-butyl carbonyl group can be deprotected under acidic conditions.

Mal-PEG4-amine is a PEG linker containing a maleimide group and an amine group. The hydrophilic PEG spacer increases solubility in aqueous media. The amine group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The maleimide group will react with a thiol group to form a covalent bond, enabling the connection of biomolecule with a thiol.

APN-C3-biotin is a heterobifunctional linker containing an APN moiety with exquisite chemoselectivity for cysteine and Biotin. The superior stability of APN-cysteine conjugates in aqueous media, human plasma, and living cells makes this new thiol-click reaction a promising methodology for applications in bioconjugation.

2-(Azido-PEG2-amido)-1,3-bis-(tert-butyldimethylsilanoxy)propane is a PEG linker containing a TBDMS acid labile, alcohol protecting group. The azide group is able to participate in copper-catalyzed Click Chemistry reactions with alkynes, DBCO and BCN to generate triazole linkages. The hydrophilic PEG linker increases the solubility properties of compounds in aqueous media.

Diethyl 4-aminoheptanedioate contains a primary amine which can react with carboxylic acids, activated NHS esters and other carbonyls.

t-Butyl 1,5-di(ethoxycarbonyl)pentan-3-ylcarbamate is a branched molecule with an n-Boc group and two ethyl ester moieties. The Boc-protected amine can be deprotected under acidic conditions.

Bis-PEG6-TFP ester is a PEG linker with two terminal TFP ester moieties. TFP esters are amine reactive and are also more stable than NHS esters against hydrolysis. The PEG chain increases the water solubility properties of compounds in aqueous media. The water solubility properties of PEG chains are enhanced as the PEG chain grows.

Fmoc-Ala-Pro-OH is a linker with an Fmoc-protected amine and a terminal carboxylic acid. The Fmoc group can be deprotected under basic condition to obtain the free amine which can be used for further conjugations. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond.

Tris (O-TBDMS)3 is a Tris linker with 3 TBDMS protecting groups. The TBDMS is an acid labile protecting group.

C11-PEG9-alcohol is a linker with an aliphatic carbon chain and a PEG chain. The hydrophilic PEG chain increases the water solubility of the compounds in the aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive functional groups.

Biotin-PEG4-S-S-acid is a cleavable reagent which can efficiently introduce a biotin moiety to amine-containing biomolecules. The disulfide bond in this linker can be cleaved using reducing agents such as DTT, BME and TCEP to remove the biotin label.

C11-PEG6-alcohol (3,6,9,12,15-Pentaoxahexacosan-1-ol) is a linker with an aliphatic carbon chain and a PEG chain. The hydrophilic PEG chain increases the water solubility of the compounds in the aqueous media. The hydroxyl group enables further derivatization or replacement with other reactive functional groups.

Hydroxy-PEG3-2-methylacrylate is a biochemical reagent that can be used as a biological material or organic compound for life science related research.