urapidil and its Impurities
Urapidil decreases blood pressure in patients with mild to moderate essential hypertension and associated risk factors such as hyperlipidaemia or type 2 diabetes mellitus with no effect on heart rate. It is a sympatholytic antihypertensive drug. Reference standards of Urapidil API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


4-(3-((1,3-Dimethyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)amino)propyl)-1-(2-methoxyphenyl)piperazine 1-oxide
4-(3-((1,3-Dimethyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)amino)propyl)-1-(2-methoxyphenyl)piperazine 1-oxide
Catalogue No.:PA 21 0101005
CAS :
62845-34-5
Molecular Formula : C20H29N5O4
Molecular Weight : 403.48


1-(3-((1,3-Dimethyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)amino)propyl)-4-(2-methoxyphenyl)piperazine 1-oxide
1-(3-((1,3-Dimethyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)amino)propyl)-4-(2-methoxyphenyl)piperazine 1-oxide
Catalogue No.:PA 21 0101007
CAS :
62845-30-1
Molecular Formula : C20H29N5O4
Molecular Weight : 403.48


1,1-Bis(3-((1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)amino)propyl)-4-(2-methoxyphenyl)piperazin-1-ium Chloride
1,1-Bis(3-((1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)amino)propyl)-4-(2-methoxyphenyl)piperazin-1-ium Chloride
Catalogue No.:PA 21 0101011
CAS :
NA
Molecular Formula : C29H43ClN8O5
Molecular Weight : 619.16