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SY-7 DBCO (FP-1703)

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Description

SY-7 DBCO (QSY®-7 equivalent) is a nonfluorescent acceptor dye for preparation of peptide and oligonucleotide FRET probes. A broad and intense quenching range from 500-600 nm makes it useful as an acceptor in fluorescence resonance energy transfer (FRET) applications in conjunction with fluorescent dyes at 520 nm to 600 nm, such as Fluorescein, Oregon Green, Carboxyrhodamine 110 (Rhodamine Green), Alexa Fluor® 488, 532, 546, 555, 568, Cy3, TAMRA and ROX dyes.

SY-7 DBCO reacts with azides via a copper-free “click chemistry” reaction to form a stable triazole and does not require Cu-catalyst or elevated temperatures. In application where the presence of copper is a concern SY-7 DBCO is an ideal alternative to copper requiring fluorescent alkynes.

Specifications

Unit Size5 mg, 25 mg, 100 mg
ReactivityAzide
Abs/Em Maxima500 nm
Extinction coefficient90,000 cm-1M-1
SolubilityDMSO, DMF
Spectrally similar dyesCarboxyrhodamine 110 (Rhodamine Green), Alexa Fluor® 488, 532, 546, 555, 568, Cy3, TAMRA and ROX
Molecular weight1067.24
Storage Conditions-20°C.
Shipping ConditionsAmbient temperature

Abs/Em Spectra

Sy Sy

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