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Are the oligonucleotides purified?

April 26, 2017oligonucleotides purified

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Are the oligonucleotides purified?

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All of the oligonucleotides synthesized by Oligos Etc. undergo a primer grade purification. This is a proprietary extraction and precipitation protocol specifically to remove excess salts and organics. The resulting counter ion is ammonium. The oligonucleotides are suitable for most PCR work. Primer grade purification is provided for all oligonucleotides free of charge. Other levels of purification such as gel or HPLC purification are available and may be requested at an additional charge.