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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.

How do I calculate the molecular weight of an oligo?

Need an oligo calculator? 
IDT's free, online OligoAnalyzer tool will analyze an input sequence and provide its molecular weight, as well as GC content, melting temperature, µg/OD, nmole/OD, and extinction coefficient.

More SciTools® Web Tools from IDT.

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.