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Gefapixant citrate (AF-219 citrate) is an orally available, highly potent P2X3 receptor antagonist with antitussive properties that inhibits hP2X2/3. It can be used to study chronic cough.
Pack Size | Price | Availability | Quantity |
---|---|---|---|
5 mg | $58 | In Stock | |
50 mg | $238 | In Stock | |
100 mg | $428 | In Stock |
Description | Gefapixant citrate (AF-219 citrate) is an orally available, highly potent P2X3 receptor antagonist with antitussive properties that inhibits hP2X2/3. It can be used to study chronic cough. |
In vitro | Gefapixant citrate did not inhibit any receptor that did not contain a P2X3 subunit, and its IC50 values exceeded 10,000 nM on recombinant hP2X1, hP2X2, hP2X4, rP2X5, and hP2X7 channels. [1] |
In vivo | In a rat model of knee osteoarthritis, Gefapixant citrate (administered orally twice daily for 7 days) was able to attenuate the abnormal response on the weight-loading side and completely reversed the significant nociceptive hypersensitivity at the two higher doses (20 mg/kg and 60 mg/kg) (the model was established by intra-articular injections of monoiodoacetic acid and was observed for 14 days post-injection). [2] |
Alias | RO4926219 citrate, RO 4926219 citrate, MK-7264 citrate, MK7264 citrate, AF-219 citrate, AF219 citrate |
Molecular Weight | 545.52 |
Formula | C20H27N5O11S |
Cas No. | 2310299-91-1 |
Smiles | O=C(O)CC(O)(C(=O)O)CC(=O)O.O=S(=O)(N)C=1C=C(OC2=CN=C(N=C2N)N)C(=CC1OC)C(C)C |
Storage | keep away from moisture | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. | |||||||||||||||
Solubility Information | DMSO: 4 mg/mL (7.33 mM), Adjust pH to 5-6 with HCl and sonication is recommended. | |||||||||||||||
Solution Preparation Table | ||||||||||||||||
DMSO
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