Methacholine

Methacholine
Clinical data
Trade names	Provocholine
AHFS/Drugs.com	Consumer Drug Information
License data	US DailyMed: Methacholine;
Routes of; administration	Respiratory
ATC code	V04CX03 (WHO) ;
Legal status
Legal status	AU: S4 (Prescription only); US: ℞-only;
Identifiers
	IUPAC name 2-(Acetyloxy)-N,N,N-trimethylpropan-1-aminium;
CAS Number	55-92-5 62-51-1 (chloride);
PubChem CID	6114;
DrugBank	DB06709 ;
ChemSpider	5888 ;
UNII	03V657ZD3V;
KEGG	D04970 ;
ChEBI	CHEBI:50142 ;
ChEMBL	ChEMBL978 ;
CompTox Dashboard (EPA)	DTXSID2046967 ;
Chemical and physical data
Formula	C8H18NO2+
Molar mass	160.237 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES [Cl-].O=C(OC(C)C[N+](C)(C)C)C;
	InChI InChI=1S/C8H18NO2.ClH/c1-7(11-8(2)10)6-9(3,4)5;/h7H,6H2,1-5H3;1H/q+1;/p-1 ; Key:JHPHVAVFUYTVCL-UHFFFAOYSA-M ;
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Methacholine (INN, USAN) (trade name Provocholine), also known as acetyl-β-methylcholine, is a synthetic choline ester that acts as a non-selective muscarinic receptor agonist in the parasympathetic nervous system.