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 optimum storage conditions for a custom gene?

IDT ships custom gene dry unless otherwise requested. While dry they should be stable almost indefinitely.

After resuspending in a high-quality, molecular-grade water or buffer, pH 7.5–8.0, you should store the DNA at –20°C, and if necessary, aliquot to avoid more than 2 or 3 freeze-thaw cycles.