Emepronium bromide

Emepronium bromide
Clinical data
ATC code	G04BD01 ( WHO );
Identifiers
	IUPAC name N-ethyl-N,N-dimethyl-4,4-diphenylbutan-2-aminium;
CAS Number	3614-30-0 ;
PubChem CID	71820 ;
ChemSpider	64844 ;
UNII	WZM699L2TL ;
KEGG	D07224 ;
CompTox Dashboard (EPA)	DTXSID50875265 ;
ECHA InfoCard	100.020.715
Chemical and physical data
Formula	C20H28BrN
Molar mass	362.355 g·mol−1
3D model (JSmol)	Interactive image ;
	SMILES CC[N+](C)(C)C(C)CC(c1ccccc1)c2ccccc2.[Br-];
	InChI InChI=1S/C20H28N.BrH/c1-5-21(3,4)17(2)16-20(18-12-8-6-9-13-18)19-14-10-7-11-15-19;/h6-15,17,20H,5,16H2,1-4H3;1H/q+1;/p-1 ; Key:UVKFSMBPRQBNCH-UHFFFAOYSA-M ;
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Last updated December 31, 2025

Emepronium (as emepronium bromide) is an anticholinergic drug used in urology as an antispasmodic. It can cause ulceration of esophagus, so it should be taken in orthostatic position with sufficient amounts of liquids.^[1]

References

↑ Puhakka HJ (1987). "Esophageal ulceration due to oral medications". ORL; Journal for Oto-Rhino-Laryngology and Its Related Specialties. 49 (6): 321–6. doi:10.1159/000275958. PMID 3431840.

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[1] Puhakka HJ (1987). "Esophageal ulceration due to oral medications". ORL; Journal for Oto-Rhino-Laryngology and Its Related Specialties. 49 (6): 321–6. doi:10.1159/000275958. PMID 3431840.

[1]

v t e Urologicals, including antispasmodics (G04B)
Acidifiers	Ammonium chloride Calcium chloride
Urinary antispasmodics (primarily antimuscarinics)	Darifenacin Desfesoterodine Emepronium Fesoterodine Flavoxate Imidafenacin Meladrazine Mirabegron Oxybutynin Propiverine Solifenacin Terodiline Tolterodine Trospium chloride Vibegron
Other urologicals	Urea analogues: Acetohydroxamic acid Salicylhydroxamic acid Other: Collagen Dapoxetine Dimethyl sulfoxide Magnesium hydroxide Pentosan polysulfate Phenazopyridine Phenyl salicylate Succinimide Tiopronin

Clinical data

ATC code	G04BD01 ( WHO )
Identifiers
IUPAC name N-ethyl-N,N-dimethyl-4,4-diphenylbutan-2-aminium
CAS Number	3614-30-0 ^Y
PubChem CID	71820
ChemSpider	64844 ^N
UNII	WZM699L2TL
KEGG	D07224 ^Y
CompTox Dashboard (EPA)	DTXSID50875265
ECHA InfoCard	100.020.715
Chemical and physical data
Formula	C₂₀H₂₈BrN
Molar mass	362.355 g·mol⁻¹
3D model (JSmol)	Interactive image
SMILES CC[N+](C)(C)C(C)CC(c1ccccc1)c2ccccc2.[Br-]
InChI InChI=1S/C20H28N.BrH/c1-5-21(3,4)17(2)16-20(18-12-8-6-9-13-18)19-14-10-7-11-15-19;/h6-15,17,20H,5,16H2,1-4H3;1H/q+1;/p-1^N Key:UVKFSMBPRQBNCH-UHFFFAOYSA-M^N
^NY (what is this?) (verify)