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Cy5 Methyltetrazine (CCT-1019)

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Description

Methyltetrazine-activated Cy5 probe that reacts with TCO-containing compounds via an Inverse-Electron-Demand Diels-Alder reaction to form a stable covalent bond and does not require Cu-catalyst or elevated temperatures. The inverse-electron demand Diels-Alder cycloaddition reaction of TCO with tetrazines is a bioorthogonal reaction that possesses exceptional kinetics (k > 800 M-1 -1) and selectivity. Such excellent reaction rate constants are unparalleled by any other bioorthogonal reaction pair described to date.

Specifications

Unit Size1 mg, 5 mg, 25 mg
Abs/Em Maxima649/671 nm
Extinction Coefficient
250,000
Flow Cytometry Laser Line
633 or 635 nm
Microscopy Laser Line
633 or 635 nm
Spectrally Similar DyesAlexa Fluor® 647, Atto™ 647, CF® 647 Dye, DyLight® 649
Molecular weight934.10
CASN/A
SolubilityWater, DMSO, DMF, MeOH
Purity>95% (HPLC)
AppearanceBlue solid
Storage Conditions-20°C. Desiccate
Shipping ConditionsAmbient temperature

Abs/Em Spectra

Cy Cy

Selected References

  1. Kang, D., et al. (2021). Bioorthogonal Retro-Cope Elimination Reaction of N, N-Dialkylhydroxylamines and Strained Alkynes. J Am Chem Soc.143 (15), 5616-5621. [PubMed]

Applicable patents and legal notices are available at legal notices.

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