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(R)-Propranolol hydrochloride

CAS No. : 13071-11-9

MCE 国际站：(R)-Propranolol hydrochloride

产品活性：(R)-Propranolol hydrochloride 是抗肾上腺素受体 (β-adrenoceptor) 拮抗剂普萘洛尔 (HY-B0573) 的活性较低的对映体。Propranolol 是一种非选择性的 β-adrenergic receptor (βAR) 拮抗剂，对 β₁AR 和 β₂AR 具有高亲和力，K_i 值分别为 1.8 nM 和 0.8 nM。

研究领域：GPCR/G Protein  |  Neuronal Signaling

作用靶点：Adrenergic Receptor

In Vivo: Both isomers of propranolol are capable of preventing adrenaline-induced cardiac arrhythmias in cats anaesthetized with halothane, but the mean dose of (-)-propranolol is 0.09 mg/kg whereas that of (+)-propranolol is 4.2 mg/kg.
Both isomers of propranolol are capable of reversing ventricular tachycardia caused by ouabain in anaesthetized cats and dogs. The dose of (-)-propranolol is significantly smaller than that of (+)-propranolol ((R)-Propranolol) in both species.
(R)-Propranolol hydrochloride (10 mg/kg) has no antagonistic activity in rats, the cardiac responses to isoprenaline of rat can be blocked by probably much less than 1/100th of that of the (-) isomer in this preparation.

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