Get Help Sign In

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.

Are lyophilized / dried oligos stable at room temperature?

For room temperature or 4°C storage, oligos that are resuspended in TE buffer (10 mM Tris pH 8.0, 0.1 mM EDTA; such as IDTE), are more stable than dry oligos. Oligos that are stored in water are the least stable. However, at 4°C, oligos stored under all of these conditions are stable for at least 60 weeks. Also, it is ideal to store oligos in the dark. Exposure to UV light should be avoided, and ambient lab light should be minimized, particularly for some types of modified oligos.

Please see the DECODED blog post, Storing oligos: 7 things you should know, for data on oligonucleotide storage and a more thorough explanation.

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.