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Oligo Modifications List | Oligo Modifications Reference Category
Modification : Rhodamine Red X
Reference Catalog Number 26-6606
Category Fluorescent Dyes
Modification Code RhoRX-N
5 Prime Y
3 Prime Y
Internal Y
Molecular Weight (mw) 768.9
Technical Info (pdf) PS26-6606.pdf
Abvsorbance MAX 570
Emission MAX 590
Catalog NoScalePrice
26-6606-0550 nmol$300.00
26-6606-02200 nmol$300.00
26-6606-011 umol$450.00
26-6606-032 umol$810.00
26-6606-1010 umol$3,600.00
26-6606-1515 umol$4,500.00
Related Modifications
Tamra NHS

Rhodamine Red-X modification is a post synthesis conjugation to a primary amino group. The amino group can be placed at the 5' and 3' and for internal positions an amino modified base is used, e.g Amino dT C6

Rhodamine Red X is a red fluorescent dye used for labeling oligonucleotides excitable by the 568 nm spectral line of the krypton/argon ion laser. Rhodamine Red X has an absorbance maximum of 570 nm and an emission maximum of 590 nm. Rhodamine Red X can be used to label oligos slated for typical molecular biology applications (RT-PCR, hybridization probes, etc). Rhodamine Red X is particularly useful in experiments requiring triple labeling along with Cy2 and Cy5 because Rhodamine Red X’s emission maximum lies midway between those of Cy2 and Cy5 and its spectrum has little overlap with these other fluorophores.


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