Modification catalogue
Modifications are priced on top of the oligo. Combinations are checked before synthesis, not after.
5′ fluorescent dyes
6-FAM · TET · JOE · HEX · Cy3 · Cy5 · Cy5.5 · TAMRA · ROX · Texas Red
3′ quenchers
BHQ-1 · BHQ-2 · BHQ-3 · Dabcyl · Iowa Black FQ · Iowa Black RQ · MGB
Attachment chemistry
5′/3′ amino C6 · 5′/3′ thiol C6 · biotin · biotin-TEG · azide · DBCO · alkyne
Backbone & sugar
phosphorothioate · 2′-O-methyl · 2′-fluoro · LNA · inverted dT · dideoxy-C
Spacers & linkers
C3 spacer · C6 spacer · C12 spacer · Spacer 9 · Spacer 18 · dSpacer · PC linker
Base analogues
inosine · 5-bromo-dU · 2-aminopurine · 8-oxo-dG · pyrrolo-dC · 5-methyl-dC · uracil
Dye and quencher combinations can be checked against published spectral ranges with the
dye–quencher checker before you order.
More than four modifications on one oligo, or something not listed here?
That is a design-help case, not a dead end — send us the requirement
and you get a design and a price within one business day.