Astemizole (R 43512)

CAS NO.:68844-77-9

Molecular Formula:C₂₈H₃₁FN₄O

Molecular Weight:458.570349931717

Purity: > 98%

Solubility (R.T.: 25℃): DMSO

Stability: - 20℃ 2 years

Astemizole (R 43512), a second-generation antihistamine drug to diminish allergic symptoms with a long duration of action, is a histamine H1-receptor antagonist, with an IC50 of 4 nM. Astemizole also shows potent hERG K+ channel blocking activity with an IC50 of 0.9 nM. Astemizole has antipruritic effects.

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