We also welcome suggestions for modifications that you would like to see added to the list. Prices in the table are for modifications performed on a 200 nanomole or 1 micromole synthesis scale, unless otherwise indicated. Most modifications can be performed on larger scales also. Where two prices are given, the first is for the modification within the oligonucleotide or at the 5'-end of the oligo. In some instances we offer discounts for multiple modifications of the same type.
Masses are for the modification when fully deprotected except as noted.
Masses are calculated based upon structural data supplied by the manufacturer or supplier of the modifying material. DNA-RNA chimeras can also be synthesized. Prices are computed on the basis of an RNA synthesis, with DNA bases in the chimera added at the DNA per base price. Please call for details. . .