EVEN MORE COLOURS! We are happy to add a new set of excellent fluorescent dyes from Atto-Tec(www.atto-tec.de) to our broad portfolio of labels for oligonucleotides. Atto dyes have outstanding characteristic properties: - strong absorption (high extinction coefficient)
- high fluorescence quantum yield
- high photo-stability
Atto labels may be attached at the 5'- or 3'- end of an oligonucleotide. In a postsynthetic step the dye is coupled to an amino-modified oligo.
The price per modification includes an efficient HPLC purification and a quality control of the labelled oligo by MALDI mass spectrometry. | | Fluorescent Dye | Absorption
max. [nm] | Emission max [nm] | Extinction
coefficient
[cm-1M-1] | | Atto 390 | 390 | 479 | 24.000 | | Atto 425 | 436 | 484 | 45.000 | | Atto 465 | 453 | 508 | 75.000 | | Atto 495 | 495 | 527 | 80.000 | | Atto 488 | 501 | 523 | 90.000 | | Atto 520 | 516 | 538 | 110.000 | | Atto 532 | 532 | 554 | 115.000 | | Atto 550 | 554 | 579 | 120.000 | | Atto 565 | 563 | 592 | 120.000 | | Atto 590 | 594 | 624 | 120.000 | | Atto 594 | 601 | 627 | 120.000 | | Atto 620 | 619 | 643 | 120.000 | | Atto 633 | 629 | 657 | 130.000 | | Atto 647N | 644 | 669 | 150.000 | | Atto 655 | 663 | 684 | 125.000 | | Our current offer prices for Atto labels as 5' -modification are as follows: | | Scale S | Scale M | Scale L | | Atto 425, 465, 520, 565, 590 | GBP 47,50/59,- EUR | GBP 84,50/105,- EUR | GBP 148,-/185,- EUR | | Atto 390, 488, 495, 532, 550, 595 | GBP 72,- /90,- EUR | GBP 116,-/145,- EUR | GBP 180,-/225,- EUR | Atto 620, 633, 647N, 655
| GBP84,-/105,-EUR | GBP132,-/165,- EUR | GBP200,-/250,- EUR | Our current offer prices for Atto labels as 3' -modification are as follows:
| 3´-dye | Scale S | Scale M | Scale L | | Atto 425, 465, 520, 565, 590 | GBP 76,-/95,- EUR | GBP132,-/165,- EUR | GBP240,-/300,- EUR | | Atto 390, 488, 495, 532, 550, 595 | GBP 116,-/145,- EUR | GBP 180,-/225,- EUR | GBP 288,-/360,- EUR | Atto 620, 633, 647N, 655
| GBP 132,-/165,- EUR | GBP 200,-/250,- EUR | GBP 320,-/400,00 EUR | 5'-modifications for DNA oligonucleotides up to 50 bases, 3'-modifications for DNA oligonucleotides up to 45 bases, longer oligonucleotides on request. All prices are valid only for electronic orders (online order form). VAT may apply, addtional costs may be due to delivery, taxes and duties. The modification prices listed above are without oligonucleotide bases, prices for these are added at any rate; oligonucleotide base prices as well as possible additional conditions may apply according to our respective current pricelist. Prices may change without further notice. Errors excluded. 
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