138-12-5

(±)-Scopolamine (Atroscine) is the racemic modification of Scopolamine. (±)-Scopolamine inhibits α-adrenergic receptor activity. (±)-Scopolamine has Ki values of 33 μM and 7.25 nM for α1-adrenerg receptor and muscarinic cholinergic receptor, respectively[1].

[1] Cantor EH, et al. Structure-activity requirements for hypotension and alpha-adrenergic receptor blockade by analogues of atropine. Eur J Pharmacol. 1983 May 20;90(1):75-83. DOI:10.1016/0014-2999(83)90215-7