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Frequently asked questions

Our Scientific Applications Support team has assembled a list of frequently asked questions to help you find answers quickly. Filter using one or more categories to focus on specific topics, or use the search bar to perform a text search.

What is the standard desalting procedure IDT uses for newly synthesized oligos, and what additional purification options do I have?

IDT uses a proprietary desalting technique that removes some truncation products and small organic contaminants from the synthesized oligonucleotide preparation. Removal of n-1mers produced during synthesis requires additional PAGE or HPLC purification.

PAGE is recommended for unmodified oligos >80-100 bases, while HPLC is the preferred method for oligos modified with either fluorescent dyes or attachment chemistries.


*RUO—For research use only. Not for use in diagnostic procedures. Unless otherwise agreed to in writing, IDT does not intend for these products to be used in clinical applications and does not warrant their fitness or suitability for any clinical diagnostic use. Purchaser is solely responsible for all decisions regarding the use of these products and any associated regulatory or legal obligations.