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Resiquimod (R-848)
Activators & Inhibitors

Resiquimod (R-848) #83597

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Western blot analysis of extracts from RAW 264.7 cells, untreated (-) or treated with Resiquimod (R-848) (1 μg/ml, 15 min; +), using Phospho-SAPK/JNK (Thr183/Tyr185) (G9) Mouse mAb #9255 (upper) or SAPK/JNK Antibody #9252 (lower).

Chemical structure of Resiquimod (R-848).

Product Usage Information

Resiquimod (R-848) is supplied as a lyophilized powder. For a 15 mM stock, reconstitute 5 mg of powder in 1.06 ml of DMSO. Working concentrations and length of treatment can vary depending on the desired effect.


Store lyophilized at -20ºC, desiccated. In lyophilized form, the chemical is stable for 24 months. Once in solution, store at -20ºC and use within 2 months to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.

Product Description

Molecular Weight: 314.4 g/mol

Purity: >98%

Molecular Formula: C17H22N4O2

CAS: 144875-48-9

Solubility: Soluble in DMSO at 30 mg/ml and ethanol at 15 mg/ml with slight warming.


Resiquimod (R-848), an antiviral imidazoquinoline, has been shown to activate Toll-like receptor 7 (TLR7) and TLR8 via the MyD88-dependent interleukin 1 receptor (IL-1R)-TLR signaling pathway (1). Triggering of the TLR pathway leads to the activation of NF-κB and subsequent regulation of immune and inflammatory genes (2). Similar to CD40, treatment with Resiquimod (R-848) activates B cells and can induce nuclear translocation of NF-κB at a concentration of 1 μg/ml (3).

  1. Bishop, G.A. et al. (2000) J Immunol 165, 5552-7.
  2. Medzhitov, R. et al. (1997) Nature 388, 394-7.
  3. Jurk, M. et al. (2002) Nat Immunol 3, 499.
For Research Use Only. Not For Use In Diagnostic Procedures.

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To Purchase # 83597S
Product # Size Price
5 mg $ 55