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AxisPharm offers a range of high-purity Tetrazine PEG reagents with different linker lengths. Different kinds of Tetrazine PEG linkers may be available by custom synthesis. Fast shipping.
The tetrazine ligation is the reaction of a trans-cyclooctene and an s-tetrazine in an inverse electron demand Diels Alder (IEDDA) reaction followed by a retro-Diels Alder reaction to eliminate nitrogen gas. This is a fast reaction with a second-order rate constant of 2000 M−1-s−1 (in 9:1 methanol/water) allowing modification of biomolecules at very low concentrations. This ligation can be performed in aqueous media at a very fast speed. Reactions have also been performed using TCO or norbornenes as dienophiles at second-order rates on the order of 1 M−1–s−1 in aqueous media. The reaction has been applied in labeling live cells and other bio-entities.

Cat# Name Structure M.W. Purity Pricing
Active-Mono-Sulfone-PEG-Methyltetrazine
AP14234Active-Mono-Sulfone-PEG8-amido-Methyltetrazine951.1≥95% Pricing
Biotin Tetrazine PEG
AP15161Tetrazine-SS-Biotin 576.77≥95% Pricing
AP11078Biotin-PEG4-methyltetrazine589.71≥95% Pricing
AP14701Biotin-PEG4-amido-methyltetrazine674.8≥95% Pricing
Bis-sulfone-PEG-methyl-tetrazine
AP13141Bis-sulfone-PEG4-methyl-tetrazine845.98≥95% Pricing
Methyltetrazine-PEG-DBCO
AP13188Methyltetrazine-PEG2-DBCO562.6≥95% Pricing
AP13189Methyltetrazine-PEG4-DBCO650.7≥98% Pricing
AP11146Methyltetrazine-DBCO683.74≥95% Pricing
AP13190Methyltetrazine-PEG6-DBCO 738.8≥97% Pricing
AP13191Methyltetrazine-PEG8-DBCO827≥95% Pricing
AP11145Methyltetrazine-PEG12-DBCO1003.16≥95% Pricing
AP13192Methyltetrazine-PEG24-DBCO1531.8≥95% Pricing
Methyltetrazine-PEG-silane
AP11833Methyltetrazine-PEG5-triethoxysilane639.82≥95% Pricing
Methyltetrazine-PEG-STP Ester
AP12646Methyltetrazine-PEG4-STP Ester686.56 (sodium salt)≥95% Pricing
Other Tetrazine
AP13860PEG3-tetrazine334.37≥95% Pricing
AP15272Tetrazine-PEG9-tetrazine852.93≥95 Pricing
Tetrazine-PEG-Acid
AP10690Tetrazine-Acid216.20≥95% Pricing
AP10688Methyltetrazine-acid230.22≥95% Pricing
AP11838Methyltetrazine-PEG4-acid436.47≥95% Pricing
AP11839Methyltetrazine-PEG8-acid612.68≥95% Pricing
AP13553Methyltetrazine-PEG9-acid656.7≥96% Pricing
AP11840Methyltetrazine-PEG12-acid788.89≥95% Pricing
AP11841Methyltetrazine-PEG24-acid1317.53≥95% Pricing
Tetrazine-PEG-Alcohol
AP106934-(6-methyl-1,2,4,5-tetrazin-3-yl)phenol188.19≥95% Pricing
Tetrazine-PEG-Alkyne
AP10718Methyltetrazine-PEG5-Alkyne402.45≥95% Pricing
AP12561Methyltetrazine-PEG4-Alkyne487.56≥95% Pricing
AP11848Methyltetrazine-amido-PEG5-alkyne487.56≥95% Pricing
Tetrazine-PEG-Amine
AP12591Tetrazine Amine187.21≥95% Pricing
AP13851Methyltetrazine Amine201.23≥95% Pricing
AP10689Methyltetrazine-amine HCl salt201.23≥95% Pricing
AP11836Methyltetrazine-propylamine HCl salt245.29≥95% Pricing
AP13925Methyltetrazine-PEG3-amine363.41≥95% Pricing
AP10719Methyltetrazine-PEG4-amine HCl Salt399.5≥95% Pricing
AP13926Methyltetrazine-PEG6-amine HCl salt451.5≥95% Pricing
AP15263Tetrazine-PEG4-amine470.96≥95% Pricing
AP15262Tetrazine-PEG6-amine559.05≥95% Pricing
AP13927Methyltetrazine-PEG8-amine HCl salt576.10≥95% Pricing
AP13924Methyltetrazine-PEG12-amine HCl salt752.30≥95% Pricing
AP11837Methyltetrazine-PEG24-amine HCl salt1244.48≥95% Pricing
Tetrazine-PEG-Azide
AP15248Tetrazine-PEG3-Azide359.39≥95% Pricing
AP10717Methyltetrazine-PEG4-Azide389.41≥95% Pricing
AP11849Methyltetrazine-amido-PEG7-azide606.68≥95% Pricing
Tetrazine-PEG-Biotin
AP11078Biotin-PEG4-methyltetrazine589.71≥95% Pricing
AP15162Tetrazine-PEG4-biotin660.78≥95% Pricing
AP14701Biotin-PEG4-amido-methyltetrazine674.8≥95% Pricing
Tetrazine-PEG-Maleimide
AP10734Methyltetrazine-PEG3-Maleimide470.48≥95% Pricing
AP10721Methyltetrazine-PEG4-Maleimide514.53≥95% Pricing
AP13889Methyltetrazine-PEG12-Maleimide952.10≥95% Pricing
Tetrazine-PEG-NH-Boc
AP11850Methyltetrazine-PEG4-NH-Boc463.54≥95% Pricing
AP13996Methyltetrazine-PEG8-NH-Boc639.80≥95% Pricing
AP13907Methyltetrazine-PEG11-NH-Boc771.90≥95% Pricing
AP11851Methyltetrazine-PEG24-NH-Boc1344.6≥95% Pricing
Tetrazine-PEG-NHS ester
AP10691Tetrazine-NHS ester313.27≥95% Pricing
AP10692Methyltetrazine-NHS ester327.30≥95% Pricing
AP15261Tetrazine-C5-NHS ester398.37≥95% Pricing
AP11842Methyltetrazine-Sulfo-NHS ester429.34≥95% Pricing
AP10720Methyltetrazine-PEG4-NHS ester533.53≥95% Pricing
AP11843Tetrazine-PEG5-NHS ester604.62≥95% Pricing
AP11844Methyltetrazine-PEG8-NHS ester709.75≥95% Pricing
AP15260Tetrazine-PEG9-NHS ester780.83≥95% Pricing
AP11845Methyltetrazine-PEG12-NHS ester885.96≥95% Pricing
AP11846Methyltetrazine-PEG24-NHS ester1414.6≥95% Pricing
Tetrazine-PEG-peptide
AP11854Gly-Gly-Gly-PEG4-methyltetrazine534.57≥95% Pricing
Tetrazine-PEG-PFP ester
AP11847Methyltetrazine-PEG8-PFP ester778.73≥95% Pricing
Tetrazine-PEG-t-butyl ester
AP13995Methyltetrazine-PEG4-t-butyl ester492.60≥95% Pricing
AP11852Methyltetrazine-PEG12-t-butyl ester845≥95% Pricing
AP11853Methyltetrazine-PEG24-t-butyl ester1373.63≥95% Pricing
Tetrazine-PEG-triethoxysilane
AP11833Methyltetrazine-PEG5-triethoxysilane639.82≥95% Pricing

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