The best way to order sequences for RNAi experiments is online, using BLOCK-iT™ RNAi Express or the BLOCK-iT™ RNAi Designer. Read more on Invitrogen's award winning online ordering tools.


Stealth RNAi products will be changed to delivery orders directly from March 05, 2012. More.

Standard Delivery

For ordering tube oligos with or without modifications, different purification and other delivery options.

Basic entry Enter one primer sequence at a time.

Upload entry Upload multiple sequences at once.


You may also RNA order by email. Email your order to:




基本入力注文 1回に1つのプライマー配列を入れます。

アップロード注文 1回に複数配列をアップロードします。

The following information is required for placing any orders

  • Customer name and phone number
  • Email address
  • Dealer's name
  • Sequence name
  • Sequence of oligos (A, G, C, T, U only. Antisense sequence is required when ordering siRNA)
  • Scale of synthesis
  • Purity level
  • siRNA: single stranded or duplexed



  • In order that Stealth RNAi may perform chemical modification to a sense strand, if an antisense strand is ordered as a sense strand, can't get any knock down effect. We recommend you to confirm before order, sense and antisense.
  • If any of this information is missing, your order cannot be processed and the order is subject to delay.