Methantheline

Methantheline
Clinical data
Trade names	Banthine, Vagantil, others
Routes of; administration	By mouth
Drug class	Antimuscarinic
ATC code	A03AB07 ( WHO );
Identifiers
	IUPAC name N,N-diethyl-N-methyl-2-[(9H-xanthen-9-ylcarbonyl)oxy]-ethanaminium;
CAS Number	5818-17-7 ;
PubChem CID	4097 ;
ChemSpider	3955 ;
UNII	36EI79TX7I ;
ChEMBL	ChEMBL1201264 ;
CompTox Dashboard (EPA)	DTXSID7046964 ;
Chemical and physical data
Formula	C21H26NO3
Molar mass	340.443 g·mol−1
3D model (JSmol)	Interactive image ;
	SMILES CC[N+](C)(CC)CCOC(=O)C1C2=CC=CC=C2OC3=CC=CC=C13;
	InChI InChI=1S/C21H26NO3/c1-4-22(3,5-2)14-15-24-21(23)20-16-10-6-8-12-18(16)25-19-13-9-7-11-17(19)20/h6-13,20H,4-5,14-15H2,1-3H3/q+1 ; Key:GZHFODJQISUKAY-UHFFFAOYSA-N ;
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Last updated December 27, 2025

Methantheline is an antimuscarinic.^[1]

References

↑ McHardy GG, Browne DC, Marek FH, McHardy R, Ward S (December 1951). "Clinical evaluation of methantheline (banthine) bromide in gastroenterology". Journal of the American Medical Association. 147 (17): 1620–6. doi:10.1001/jama.1951.03670340010003. PMID 14880413.

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[pmid14880413-1] McHardy GG, Browne DC, Marek FH, McHardy R, Ward S (December 1951). "Clinical evaluation of methantheline (banthine) bromide in gastroenterology". Journal of the American Medical Association. 147 (17): 1620–6. doi:10.1001/jama.1951.03670340010003. PMID 14880413.

[1]

Clinical data

Trade names	Banthine, Vagantil, others
Routes of administration	By mouth
Drug class	Antimuscarinic
ATC code	A03AB07 ( WHO )
Identifiers
IUPAC name N,N-diethyl-N-methyl-2-[(9H-xanthen-9-ylcarbonyl)oxy]-ethanaminium
CAS Number	5818-17-7 ^Y
PubChem CID	4097
ChemSpider	3955 ^N
UNII	36EI79TX7I
ChEMBL	ChEMBL1201264 ^N
CompTox Dashboard (EPA)	DTXSID7046964
Chemical and physical data
Formula	C₂₁H₂₆NO₃
Molar mass	340.443 g·mol⁻¹
3D model (JSmol)	Interactive image
SMILES CC[N+](C)(CC)CCOC(=O)C1C2=CC=CC=C2OC3=CC=CC=C13
InChI InChI=1S/C21H26NO3/c1-4-22(3,5-2)14-15-24-21(23)20-16-10-6-8-12-18(16)25-19-13-9-7-11-17(19)20/h6-13,20H,4-5,14-15H2,1-3H3/q+1^N Key:GZHFODJQISUKAY-UHFFFAOYSA-N^N
^NY (what is this?) (verify)