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I need an oligo with a high level of purity. What purification method should I choose?

For an oligo that is unmodified and needs to have a high level of purity we recommend PAGE purification. With most unmodified oligos of  up to 60 bases, PAGE purification routinely achieves 85% full length product. For modified oligos up to 50 bases we recommend HPLC, while we recommend  IE HPLC for those that are longer.

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