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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 CRISPR-Cpf1 crRNA controls should I use?

We have recommended positive and negative control sequences for Cpf1 crRNAs available for ordering on the website.

These recommended sequences can be found in the Alt-R® CRISPR Cpf1 user guides (accessible at, Support section), and are also available on the side bar of the CRISPR-Cpf1 crRNA ordering pages (accessible at

*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.