Diphemanil metilsulfate

Diphemanil metilsulfate
Clinical data
ATC code	A03AB15 ( WHO );
Identifiers
	IUPAC name 4-(Diphenylmethylene)-1,1-dimethylpiperidinium methylsulfate;
CAS Number	62-97-5 ; 15394-62-4 (diphemanil cation);
PubChem CID	6126 ;
DrugBank	DB00729 ;
ChemSpider	5896 ;
UNII	W2ZG23MGYI ;
ChEBI	CHEBI:59782 ;
ChEMBL	ChEMBL1200880 ;
CompTox Dashboard (EPA)	DTXSID9022948 ;
ECHA InfoCard	100.000.503
Chemical and physical data
Formula	C21H27NO4S
Molar mass	389.51 g·mol−1
3D model (JSmol)	Interactive image ;
	SMILES [O-]S(=O)(=O)OC.c3c(\C(=C1/CC[N+](C)(C)CC1)c2ccccc2)cccc3;
	InChI InChI=1S/C20H24N.CH4O4S/c1-21(2)15-13-19(14-16-21)20(17-9-5-3-6-10-17)18-11-7-4-8-12-18;1-5-6(2,3)4/h3-12H,13-16H2,1-2H3;1H3,(H,2,3,4)/q+1;/p-1 ; Key:BREMLQBSKCSNNH-UHFFFAOYSA-M ;
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Last updated January 03, 2026

In the field of pharmacology, diphemanil metilsulfate also known as diphemanil methylsulfate is an antimuscarinic (an agent that blocks the action of the natural neurotransmitter acetylcholine).^[1]

References

↑ Finkbeiner AE, Bissada NK, Welch LT (November 1977). "Uropharmacology: part VI. Parasympathetic depressants". Urology. 10 (5): 503–10. doi:10.1016/0090-4295(77)90149-2. PMID 21482.

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[pmid21482-1] Finkbeiner AE, Bissada NK, Welch LT (November 1977). "Uropharmacology: part VI. Parasympathetic depressants". Urology. 10 (5): 503–10. doi:10.1016/0090-4295(77)90149-2. PMID 21482.

[1]

Clinical data

ATC code	A03AB15 ( WHO )
Identifiers
IUPAC name 4-(Diphenylmethylene)-1,1-dimethylpiperidinium methylsulfate
CAS Number	62-97-5 ^Y 15394-62-4 (diphemanil cation)
PubChem CID	6126
DrugBank	DB00729 ^Y
ChemSpider	5896 ^Y
UNII	W2ZG23MGYI
ChEBI	CHEBI:59782 ^Y
ChEMBL	ChEMBL1200880 ^N
CompTox Dashboard (EPA)	DTXSID9022948
ECHA InfoCard	100.000.503
Chemical and physical data
Formula	C₂₁H₂₇NO₄S
Molar mass	389.51 g·mol⁻¹
3D model (JSmol)	Interactive image
SMILES [O-]S(=O)(=O)OC.c3c(\C(=C1/CC[N+](C)(C)CC1)c2ccccc2)cccc3
InChI InChI=1S/C20H24N.CH4O4S/c1-21(2)15-13-19(14-16-21)20(17-9-5-3-6-10-17)18-11-7-4-8-12-18;1-5-6(2,3)4/h3-12H,13-16H2,1-2H3;1H3,(H,2,3,4)/q+1;/p-1^Y Key:BREMLQBSKCSNNH-UHFFFAOYSA-M^Y
^NY (what is this?) (verify)