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CGS 21680

Cat. No. M3228
CGS 21680 Structure
Size Price Availability Quantity
10mg USD 120 In stock
25mg USD 250 In stock
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Quality Control
  • Current batch:
  • Purity >98%
  • COA
  • MSDS
Biological Activity

CGS 21680 is a specific adenosine (A2A) subtype receptor agonist with an IC50 of 5.6 μM for reducing input resistance of the membrane potential. The Ki of CGS 21680 adenosine (A2A) subtype receptor is 27 nM. CGS 21680 has less affinity for A1 and A3 adenosine receptors than A2A- and A2B subtype. CGS 21680 starting at the onset of arthritis (Day 25) improved the clinical signs at Days 26-35 and ameliorated histological states in the joint and paw. The degree of oxidative and nitrosative damage was markedly decreased in CGS 21680-treated mice as exhibited by increased contents of malondialdehyde, formation of nitrotyrosine, and activation of poly (ADP-ribose) polymerase. Plasma levels of proinflammatory cytokines including tumor necrosis factor, interleukin 1ß (IL-1ß) and IL-6 were also decreased by CGS 21680. CGS 21680 also reduced the expression of inducible nitric oxide synthase and cyclooxygenase-2.

Customer Product Validations & Biological Datas
Source PLoS One (2018). Figure 5. CGS 21680
Method Immunizations
Cell Lines WT mice
Concentrations 1 mg/kg
Incubation Time four weeks
Results We thus investigated whether administration of an A2a adenosine receptor agonist (CGS 21680) could enhance antibody responses following Pneumovax 23 vaccination in young mice. As shown in Fig 5A and 5B, treatment with the A2a agonist significantly increased mean IgG3 levels at day 7 and 14 post-vaccination
Cell Experiment
Cell lines
Preparation method
Incubation time
Animal Experiment
Animal models rat
Formulation water
Dosages 10 mg/kg
Administration p.o.
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 499.52
Formula C23H29N7O6
CAS Number 120225-54-9
Purity >98%
Solubility DMSO
Storage at -20°C
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Abmole Inhibitor Catalog 2017

Keywords: CGS 21680 supplier, Adenosine Receptor, inhibitors

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