Methacholine chloride is used to constrict airway smooth muscle and to assess bronchial reactivity. Methacholine chloride is a cholinergic agonist and parasympathomimetic bronchoconstrictor. A metabolically stable analogue of acetylcholine, it is a muscarinic receptor (mAChR) agonist. References: Sagara H, Tanaka A, Ohta S, Jinno E, Uchida N, Sambe T, Hida N, Suehiro Y, Doi S, Kameda M, Yoshida Y, Fukuoka J, Kinoshita Y. The Safety and efficacy of airway-hyperresponsiveness test for asthma using by SK-1211 (Methacholine Chloride). Arerugi. 2016;65(1):32-40. doi: 10.15036/arerugi.65.32. PubMed PMID: 26923652.

纯度：≥98%

CAS：62-51-1