Bio-Synthesis offer Dyomic DY-649P1  fluorescent dye oligonucleotide labeling services. DY-649 is a  red excitation dye with the  fluorescence absorption and emission max of 655nm/676. Characteristic features of the label are water soluble with three negative charges, it have spectral property similar to Alexa 647.

Dyomic DY649P1 dye can be incorporated at any position within an Oligonucleotide. A primary amine modified oligonucleotide is used to covalently attach with dye via NHS conjugation chemistry; other cross-linking chemistries are also available depending on particular project specifications. Dual HPLC purification is highly recommended.

Contact us for Dyomic DY649P1 fluorescent dye oligonucleotide labeling services.

Product Information


Product Name:

Dyomic DY-649P1 Oligo Dye Labeling


Fluorescent dye Label, Alexa 647 Alternative

Absorption λmax:


Emission (nm):


Extinction Coefficient, ε(λ):



dual HPLC

Delivery Format:


Shipping Conditions:

Room Temperature

Storage Conditions:

-20°C To -70°C
Oligonucleotides are stable in solution at 4°C for up to 2 weeks. Properly reconstituted material stored at -20°C should be stable for at least 6 months. Dried DNA (when kept at -20°C) in a nuclease-free environment should be stable for years.