The 5-ROXT modification adds a fluorescent carboxy-x-rhodamine (ROX) moiety to the 5’ end of an oligonucleotide. 5' ROX labeled oligonucleotides are used in a wide array of applications, including dual-labeled fluorogenic probes for real-time PCR. This 5' ROX modification is conjugated to a modified thymidine which may participate in hybridization. ROX is a rhodamine dye that fluoresces in the red region of the visible spectrum and can be effectively quenched by BHQ®-2 dye.
Properties:
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Chemical Name:
T(ROX)
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Formula:
C51H56N6O13P
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Molecular Weight:
992
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Absorption Maximum (Lambda Max):
586
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Extinction Coefficient at Lambda max:
91000
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Extinction Coefficient at 260 nm:
38500
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Fluorescence Maximum:
610
Product usage:
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The mass this product adds after conjugation and work-up (the additional mass seen by mass spectrometry) is:
975