Chromeo 642 NHS-ester MF: C39H48N3O7P
MW: 701.8
A bright, dark-red fluorescent labeled conjugate for bioanalysis.

Chromeo™ 642 NHS-ester

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Application: Chromeo™ 642 NHS-ester is a bright, dark-red fluorescent labeled conjugate for bioanalysis
Molecular Weight: 701.8
Molecular Formula: C39H48N3O7P
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data (including water content).

Chromeo™ 642 NHS-ester is conjugated to Chromeo™ 642, a bright, dark-red fluorescent label for enabling detection in immunofluorescence, high content screening, ELISA and FRET applications, as well as in flow cytometry. It exhibits superior luminescence properties, a broad Stokes shift, stability towards photobleaching and pH, and low cell toxicity. Chromeo™ 642 is compatible with various excitation sources including tungsten and xenon arc lamps, the helium-neon laser, the 647 line of the argon-krypton-ion laser and common red diode lasers with emissions of 635nm or 650nm. It is comparable to CruzFluor™ 647 dyes. Chromeo™ 642 NHS-ester has a molar extinction coefficient of 180,000M-1cm-1 and its absorption and emission wavelength is 642nm and 660nm, respectively.


References

1. Wetzl, B. et al. 2003. J. Chromatogr. B Analyt. Technol. Biomed. Life Sci. 793(1): 83-92. PMID: 12880856
2. Gruber, M. et al. 2005. J Fluoresc. 15(3): 207-214. PMID: 15986147
3. Weh, J. et al. 2007. Chembiochem. 8(1): 122-128. PMID: 17173270
4. Mader, H. et al. 2008. Ann. N. Y. Acad. Sci. 1130 : 218-223. PMID: 18596351
5. Cang, H. et al. 2011. Nature. 469(7330): 385-388. PMID: 21248848

Physical State :
Solid
Storage :
Store at -20° C
Fluoresence :
λex 642 nm, λem 660 nm in PBS
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Download SDS (MSDS)

Certificate of Analysis

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