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Oligo Modifications List | Oligo Modifications Reference Category
Modification : HEX-Azide-6
Reference Catalog Number 26-6723
Category Click Chemistry
Modification Code HEX-N3
5 Prime Y
3 Prime Y
Internal Y
Molecular Weight (mw) 665.09
Technical Info (pdf) PS26-6723.pdf
Catalog NoScalePrice
26-6723-0550 nmol$450.00
26-6723-02200 nmol$450.00
26-6723-011 umol$585.00
26-6723-032 umol$877.50
26-6723-1010 umol$4,680.00
26-6723-1515 umol$5,850.00

HEX (Hexachloro-fluorescein)-Azide is a fluorescent dye containing an terminal azide group. HEX has an absorbance maximum of 535 nm and an emission maximum of 556 nm. The presence of the azide allows the user to use "Click Chemistry" (a [3+2] cycloaddition reaction between alkynes and azides, using copper (I) iodide as a catalyst) to conjugate the HEX-Azide to a terminal alkyne-modified oligo with extremely high regioselectivity and efficiency (1,2). Preparation of the alkyne-modified oligo can be achieved using the 5'-Hexynyl (Alkyne) modifier or for copper free conjugation use the cyclooctyne DBCO dT, DBCO TEG(see its respective tech sheet for details).

References
1. Huisgen, R. Angew. Chem. Int. Ed. (1963), 2: 565-568.
2. Rostovtsev, V.V., Green, L.G., Fokin, V.V., Sharpless, K.B. A Stepwise Huisgen Cycloaddition Process: Copper(I)-Catalyzed Regioselective Ligation of Azides and Terminal Alkynes. Angew. Chem. Int. Ed. (2002), 41: 2596-2599.
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