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Cat. No. M6246
TLR7-agonist-1  Structure
Size Price Availability Quantity
5mg USD 740 In stock
10mg USD 1125 In stock
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Quality Control
  • Current batch:
  • Purity >98%
  • COA
  • MSDS
Biological Activity

In vitro: TLR7-agonist-1 is a potent and selective Toll-like Receptor 7 (TLR7) agonist with a lowest effective concentration (LEC) of 0.4 μM in HEK293 cell. TLR7-agonist-1 is found to be selective for TLR7 over TLR8 with LEC of >100 μM for human TLR8. TLR7-agonist-1 demonstrates low inhibition across five CYP450 isozymes (IC50 >10 μM) and is also not a time dependent inhibitor of CYP450 3A4. TLR7-agonist-1 has limited inhibition of the hERG potassium ion channel 3H-dofetilide binding in vitro (IC50 >50 μM).

In vivo: TLR7-agonist-1 is found to be rapidly cleared in conjunction with our target profile. Both Cmax and AUC increase less than dose proportionally between 0.3 and 3 mg/kg and more than dose-proportionally between 3 and 10 mg/kg. TLR7-agonist-1 can induce an antiviral interferon stimulated gene (ISG) response without inducing an IFNα response at a low dose. TLR7-agonist-1 also induces a 2.7 log decrease in serum HBV viral load from 0.3 mg/kg, and a maximum 3.1 log decrease is observed for doses between 1 and 5 mg/kg.

Cell Experiment
Cell lines HEK293 cells
Preparation method HEK293 cells are grown in culture medium (DMEM supplemented with 10% FCS and 2 mM Glutamine). Transfected cells are then detached with Trypsin-EDTA, washed in PBS and resuspended in medium to a density of 1.67×105 cells/mL. Thirty microliters of cells are then dispensed into each well in 384-well plates, where 10 μL of TLR7-agonist-1 in 4% DMSO is already present.
Concentrations 10 μL of TLR7-agonist-1 in 4% DMSO
Incubation time 6 h
Animal Experiment
Animal models C57Bl/6 mice
Dosages 0.3, 1, 3, and 10 mg/kg
Administration oral administration
Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.

Chemical Information
Molecular Weight 336.35
Formula C17H16N6O2
CAS Number 1642857-69-9
Purity >98%
Solubility 160 mg/mL in DMSO
Storage at -20°C

Identification and Optimization of Pyrrolo[3,2-d]pyrimidine Toll-like Receptor 7 (TLR7) Selective Agonists for the Treatment of Hepatitis B.
McGowan DC, et al. J Med Chem. 2017 Jul 27;60(14):6137-6151. PMID: 28671847.

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Keywords: TLR7-agonist-1 supplier, inhibitors

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