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Express Oligos - Now at 25 nmol synthesis scale!

If you are accustomed to ordering expedited custom oligonucleotide synthesis at 25 nmol, Eurofins Genomics has you covered. Eurofins Genomics has expanded the Express Oligos service to oligos synthesized at 25 nmol scale.  

  • This service is restricted to customers in the US.
  • Oligos must meet all Express Oligo requirements (below).
  • Cannot be combined with other items, such as standard oligos.

Order Express Oligos 5 pm (EST) for delivery tomorrow

  • No Additional Fee for Express!
  • Order from the normal, custom DNA tube page

Get Express Service at Regular Price!  Every 15–40-mer, salt-free, regular DNA oligo ordered for synthesis at 10 or 25 nmol synthesis before 5:00 PM EST is now an Express OligoTM

The new Express OligoTM - setting new standards for oligo suppliers!!! We have come to believe that to truly support your efforts towards pushing the frontiers of genetic research at your pace and within your budget, we should deliver routinely used primers reliably without a premium price tag that makes you compromise on speed. We have now optimized our synthesis workflow, web portal, and other supporting logistic operations to do just that. You can avail the following benefits by ordering Express OligosTM from Eurofins Genomics:

High-quality oligos:
Every Oligo is verified by MS before being shipped. This ensures that the oligo delivered is suitable for the intended application.

Low-yield oligos:
You do not have to pay for boatloads of an oligo during your assay development. The 0.5–3 OD's of oligo yield guaranteed at 10 / 25 nmol synthesis scale is sufficient for most of your routine everyday applications.

No Premium Fees:
You do not have to pay additional fees for prioritizing your primer orders. With expanded oligo synthesis capacity at our facilities, we can now synthesize your primer and ship it on the same day. Pay the regular per base price and choose from the regular shipping options; over a period of time, your savings can be significant.

Plenty of time to design your oligos:
With order cut-off times at 5:00 pm EST, you can run a PCR assay in the morning, run and analyze a gel in the afternoon, and still have sufficient time to place orders for new oligos with an expected next-day delivery. Your research can proceed uninterrupted at no additional cost!

Choose your shipping options:
While your Express Oligo(s) will be ready for same day shipping, you can choose when you want it delivered. Choose Overnight Shipping for next-day delivery or two day shipping for regular delivery.

Product Comparison

Delivery Time (in business days)

Express TAT Graph V4

Length (in bases)

Express Length 2


Every salt-free primer is now an Express OligoTM without the premium price tag


Industry Comparison

Feature Eurofins Genomics Alternate Provider
Example: Length 28 mer 28 mer
Example: # of oligos/order
5 5
List Price/base $ 0.28 $ 0.65
Shipping Cost  $14.50  $ 20.00
Total Cost  $86.98 $144.65
Length Limit
 15–40 bases 15–45 bases
Bases A, C, G, T, No Degenerate Bases A, C, G, T, and Degenerate Bases
Purification Option Salt-Free Salt-Free
Synthesis Scale 10 nmol 25 nmol
Yield 2-OD 2-OD
Modifications Not Allowed Not Allowed
Order Cut-Off time

5:00 PM ET

Mon-Fri Only

3:00 PM ET

Mon-Fri Only

Delivery Format Dry, in tubes Dry, in tubes
Quality Control*  MALDI-MS Mass Spec
Locations US Only US and Canada

*Maximum of 25 Express Oligos per order.  Any orders exceeding 25 express oligos will be processed as standard.
*Orders for oligos placed after 5:00 pm EST will be processed as standard oligos.
*Overnight delivery of the oligo is dependent on successful QC validation. Errors or failed sequences will result in a delay or separate shipments.*OD guarantees are for 20-mers and above*Total cost is based on the average order size and length.



  • Must Login BEFORE visiting the order page.  If you do not login, or login after the order is already in your cart, it will not be considered express. 
  • US customers only.  Unfortunately, international packages are stopped by customs for a brief time, so we cannot guarantee express shipping outside the US.
  • Cannot be combined with other items, such as standard oligos.
  • Oligo Requirements: Length: 15–40 nts; Synthesis scale: 10 and 25 nmol only; Purification: Salt-free; Normalization: Dry only; Bases: Standard bases (A, C, G, and T) only; Delivery Format: Dry, in tubes; Quantity: 1.5 to 3 OD (enough for over 200 PCR reactions).  Maximum of 25 Express Oligos per order. Any orders exceeding 25 Express Oligos will be processed as standard.
  • Limitations: Mon-Fri only, cut-off time is 5:00 pm ET.  Friday orders will be delivered Monday, not over the weekend.  Express Oligo ordering is not available on Saturday or Sunday.

Important Change to the Order Process!

Express Oligos are now ordered from the normal, tube oligo order page found HERE.

To order an Express OligoTM, simply type in the sequence and add to cart  on the custom oligos in tubes order page. An Express OligoTM will be automatically indicated using a green text that appears below the name of the Oligo and inform when the oligo can be delivered. For an oligo to qualify as an Express OligoTM, the following conditions must be met. This express service will become a normal part of the synthesis process. 


1. Login to your account.  Express Oligos are only available if you have an account. It does not apply to guest users.

2.  Go to the normal Custom Oligos in Tubes from the Order Now menu in the top toolbar.

3.  Enter your oligo name and sequence as normal.  If it meets the requirements for Express Oligo service, you will see a green message appear under the oligo name. If you do not see a green message, then most likely the oligo does not meet the requirements for express service. 

Express 3 Clock And Message

NOTE:  You must choose “Overnight Shipping” for the oligos to be delivered the next day.  Otherwise, the oligos will still be synthesized the same day but mailed using standard 2-day delivery. 

Express 11 Shipping


Please ignore the following conditions.  

  • Standard wobbles are not allowed with express service, but may still display the green confirmation message. 
  • There is a maximum of 25 Express Oligos per order, but the system may still display the green message when orderse exceed 25 Express Oligos per order. Ignore this message.