BLOCK-iT™ RNAi Express: Ordering Synthetics for in vivo RNAi
See also:
BLOCK-iT™ RNAi Designer: Design and order siRNA, Stealth RNAi™ siRNA, miR RNAi inserts and shRNA inserts for any target.
BLOCK-iT™ RNAi Express: Simplified online ordering of pre-designed and validated Stealth Select RNAi™ siRNA.
PlateSelect™: Note: After September 30, 2020, the PlateSelect tool, which requires a browser supporting Adobe Flash (e.g., Internet Explorer 11), will no longer be available. If you have questions about the tool and related products to be discontinued, please contact
READY, CLICK and GO: Fast and easy online ordering of in vivo-ready Stealth RNAi™ siRNA, BLOCK-iT™ siRNA and controls with a selection of purifications, scales and 5' sense labels. Follow the easy steps below for the most effective in vivo RNAi experiments.

Select Product Type:







Stealth RNAi™ siRNA

Custom Stealth RNAi™ siRNA Stealth RNAi™ siRNA Negative Control LO GC
  Stealth Select RNAi™ siRNA Stealth RNAi™ siRNA Negative Control Med GC
  Stealth RNAi™ siRNA Negative Control HI GC


Custom siRNA BLOCK-iT™ Fluorescent Control

Enter Sequence Information:

1Enter duplex name:

2Sense strand sequence (5'-3'):

2Antisense strand sequence (5'-3'):

1A three-letter code will be appened to the duplex name by system requirement

2Enter 25 nucleotide RNA sequence for custom Stealth RNAi™ siRNA and 19 nucleotide RNA sequence for custom siRNA. dTdT overhangs will be added to custom siRNA.

Select Purity, Quantity and 5' Sense Label:

Select Purity:

EndoToxin Testing
Select Delivered Quantity:


Select 5' Sense Label: 

Enter Researcher Name:

Researcher Name:

NOTE: Contact us to inquire about additional RNA options.