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Oligo Modifications List | Oligo Modifications Reference Category
Modification : Eclipse® Quencher
Reference Catalog Number 26-6609
Category Quenchers
Modification Code Eclp
5 Prime N
3 Prime Y
Internal N
Molecular Weight (mw) 537.89
Technical Info (pdf) PS26-6609.pdf
Catalog NoScalePrice
26-6609-0550 nmol$110.00
26-6609-02200 nmol$110.00
26-6609-011 umol$230.00
26-6609-032 umol$310.00
26-6609-1010 umol$1,840.00
26-6609-1515 umol$2,300.00
Related Modifications
BHQ-1 (3')
BHQ-3 (5')
BHQ-1 (5')
Dabcyl dT
BBQ-650 3'
BHQ-0 (3')
BHQ-2 (5')
BHQ-2 (3')
BHQ-3 (3')
The absorbance maximum for Eclipse Quencher is at 522 nm, compared to 479 nm for dabcyl. In addition, the structure of the Eclipse Quencher is substantially more electron deficient than that of dabcyl and this leads to better quenching over a wider range of dyes, especially those with emission maxima at longer wavelengths (red shifted) such as Redmond Red and Cyanine 5. In addition, with an absorption range from 390 nm to 625 nm, the Eclipse Quencher is capable of effective performance in a wide range of colored FRET probes.
Eclipse is a trade mark of ELITechGroup, formerly Epoch Biosciences. Avaialble for R&D use only.

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