You can order EXTREmers in tubes or plates. Please use the 'EXTREmers in plates' quick order link to have the oligos delivered in plates (min. 24 oligos/plate). To order EXTREmers in tubes, please use the order from below.

The specifications for EXTREmers are the following:

Feature	Details
Allowed sequence length	60–200 bases
Quantity Delivered	4 nmol
Modifications	Single letter IUB codes and other limited modifications
Purification option	Only salt-free
Quality Control	ESI MS or CGE

You can either manually enter the details of the sequences and desired modifications, Copy & Paste them from your files, or upload the excel file after downloading the same from the link below and filling the required fields.

Manual Entry:
Step 1: Select the number of EXTREmers you would like to order.
Step 2: Enter the sequence of the EXTREmer. Choose the desired modifications from the dropdown list in the 5′ terminus. To add internal modifications, a) place the cursor at the appropriate position, b) select the modification, and c) hit insert. Alternately, you can manually type the designator code in the sequence
Step 3: Add to cart.

Copy & Paste:
When you copy and paste your sequence from your files, ensure that the name and the sequence of the EXTREmer are separated using one of the expected delimiters. Please do not include spaces or any other delimiters in the name of the EXTREmer.

Upload File:
You can enter the details of your sequence into the excel file after downloading the same from the link provided below. To enter modifications, type the designator for the mods at the appropriate positions. These designators are provided in helpful tips sheet of the template. Please note that you can review and edit the sequence after you upload the file.