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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.
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What are the length restrictions for your DNA oligos?
Standard DNA oligos are synthesized up to 100 bases, while our high fidelity Ultramer™ Oligonucleotides can provide single-stranded DNA up to 200 bases.
Beyond 200 bases, we offer our new gBlocks™ Gene Fragments which are double-stranded DNA constructs available from 126 bp up to 2000 bp.
Categories:
Custom DNA & RNA*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.