Ipratropium (bromide)

Ipratropium bromide (Sch 1000) is a muscarinic receptor antagonist, with IC50s of 2.9 nM, 2 nM, and 1.7 nM for M1, M2, and M3 receptors, respectively. Ipratropium bromide relaxes smooth muscle, can be used in the research for COPD (chronic obstructive pulmonary disease) and asthma[1][2][3][4][5].

Product Specifications

CAS Number

[22254-24-6]

Product Name Alternative

Sch 1000

UNSPSC

12352005

Hazard Statement

H302, H319, H332

Target

MAChR

Type

Reference compound

Related Pathways

GPCR/G Protein; Neuronal Signaling

Applications

Neuroscience-Neuromodulation

Field of Research

Inflammation/Immunology; Neurological Disease

Assay Protocol

https://www.medchemexpress.com/Ipratropium-bromide.html

Purity

99.92

Solubility

DMSO : ≥ 35 mg/mL|H2O : 100 mg/mL (ultrasonic)

Smiles

C[N+]1([C@H]2CC[C@H]1CC(OC(C(CO)C3=CC=CC=C3)=O)C2)C(C)C.[Br-]

Molecular Formula

C20H30BrNO3

Molecular Weight

412.36

Precautions

H302, H319, H332

References & Citations

[1]Fryer AD, et al. Maclagan, Ipratropium bromide potentiates bronchoconstriction induced by vagal nerve stimulation in the guinea-pig. Eur J Pharmacol, 1987. 139 (2) : p. 187-91.|[2]Harvey, et al. Maddock, Ipratropium Bromide-Mediated Myocardial Injury in In Vitro Models of Myocardial Ischaemia/Reperfusion. Toxicol Sci, 2014.|[3]Maria Prat, et al. Discovery of novel quaternary ammonium derivatives of (3R) -quinuclidinyl amides as potent and long acting muscarinic antagonists. Bioorg Med Chem Lett. 2015 Apr 15;25 (8) :1736-1741.|[4]Wenhui Zhang, et al. Anti-inflammatory effects of formoterol and ipratropium bromide against acute cadmium-induced pulmonary inflammation in rats. Eur J Pharmacol. 2010 Feb 25;628 (1-3) :171-8.