Tarafenacin D-tartrate (SVT-40776 D-tartrate) is a highly selective M3 muscarinic receptor antagonist (Ki= 0.19 nM), ~200 fold selectivity over M2 receptor.IC50 value: 0.19 nM (Ki)Target: M3 muscarinic receptorin vitro: SVT-40776 is highly selective for M(3) over M(2) receptors (Ki = 0.19 nmol.L(-1) for M(3) receptor affinity). SVT-40776 was the most potent in inhibiting carbachol-induced bladder contractions of the anti-cholinergic agents tested, without affecting atrial contractions over the same range of concentrations. SVT-40776 exhibited the highest urinary versus cardiac selectivity (199-fold). SVT-40776 has a much higher binding affinity (K(d) = 0.4 nM) to M5 mAChR than that of solifenacin (K(d) = 31 nM) with the same reeptor. The calculated binding free energy change (-2.3 ± 0.3 kcal/mol) from solifenacin to SVT-40776 is in good agreement with the experimentally derived binding free energy change (-2.58 kcal/mol), suggesting that our modeled M5 mAChR structure and its complexes with the antagonists are reliable.in vivo: In the guinea pig in vivo model, SVT-40776 inhibited 25% of spontaneous bladder contractions at a very low dose (6.97 microg.kg(-1) i.v), without affecting arterial blood pressure. Form:Solid IC50& Target:mAChR3
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Tarafenacin D-tartrate
CAS number：1159101-48-0 molecular formula：C25H26F4N2O8
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| Chinese alias | 酒石酸塔拉芬那新 | ||
| English alias | N-(3-fluorophenyl)-N-[(3,4,5-trifluorophenyl)methyl]-Carbamic acid (3R)-1-azabicyclo[2.2.2]oct-3-yl ester (2S,3S)-2,3-dihydroxybutanedioate (1:1) | [(3R)-1-azabicyclo[2.2.2]octan-3-yl] N-(3-fluorophenyl)-N-[(3,4,5-trifluorophenyl)methyl]carbamate;(2S,3S)- | ||
| CAS number | 1159101-48-0 | molecular formula | C25H26F4N2O8 |
| molecular weight | 558.48 g/mol | Exact mass | ≥99% |
| PSA | 148.000 Ų | logp | - |
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