sumatriptan and its Impurities
A triptan class of medication used for the treatment of migraine and cluster headache. Structurally it is similar to serotonin (5-HT) and a 5-HT receptor agonist. Reference standards of Sumatriptan API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


1-(3-(2-(Dimethylamino)ethyl)-1-((5-((N-methylsulfamoyl)methyl)-1H-indol-3-yl)methyl)-1H-indol-5-yl)-N-methylmethanesulfonamide
1-(3-(2-(Dimethylamino)ethyl)-1-((5-((N-methylsulfamoyl)methyl)-1H-indol-3-yl)methyl)-1H-indol-5-yl)-N-methylmethanesulfonamide
Catalogue No.:PA 19 36530
CAS :
2250253-06-4
Molecular Formula : C25H33N5O4S2
Molecular Weight : 531.69


1-(3-(2-(Dimethylamino)ethyl)-2-((5-((N-methylsulfamoyl)methyl)-1H-indol-3-yl)methyl)-1H-indol-5-yl)-N-methylmethanesulfonamide
1-(3-(2-(Dimethylamino)ethyl)-2-((5-((N-methylsulfamoyl)methyl)-1H-indol-3-yl)methyl)-1H-indol-5-yl)-N-methylmethanesulfonamide
Catalogue No.:PA 19 36540
CAS :
2144776-39-4
Molecular Formula : C25H33N5O4S2
Molecular Weight : 531.69


(3-(2-(Dimethylamino)ethyl)-1-((3-(2-(dimethylamino)ethyl)-1H-indol-5-yl)methyl)-1H-indol-5-yl)methanol
(3-(2-(Dimethylamino)ethyl)-1-((3-(2-(dimethylamino)ethyl)-1H-indol-5-yl)methyl)-1H-indol-5-yl)methanol
Catalogue No.:PAI 19 010030
CAS :
NA
Molecular Formula : C26H34N4O
Molecular Weight : 418.59


(3-(2-(Dimethylamino)ethyl)-1-((3-(2-(dimethylamino)ethyl)-1H-indol-5-yl)methyl)-1H-indol-5-yl)methyl Acetate
(3-(2-(Dimethylamino)ethyl)-1-((3-(2-(dimethylamino)ethyl)-1H-indol-5-yl)methyl)-1H-indol-5-yl)methyl Acetate
Catalogue No.:PAI 19 010040
CAS :
NA
Molecular Formula : C28H36N4O2
Molecular Weight : 460.62


(3-(2-(Dimethylamino)ethyl)-1-((3-(2-(dimethylamino)ethyl)-1H-indol-5-yl)methyl)-1H-indol-5-yl)methanesulfonyl chloride
(3-(2-(Dimethylamino)ethyl)-1-((3-(2-(dimethylamino)ethyl)-1H-indol-5-yl)methyl)-1H-indol-5-yl)methanesulfonyl chloride
Catalogue No.:PAI 19 010050
CAS :
NA
Molecular Formula : C26H33ClN4O2S
Molecular Weight : 501.09


Sumatriptan - Impurity A (Succinate Salt)
[3-[2-(Dimethylamino)ethyl]-2-[[3-[2-(dimethylamino)ethyl]-1H-indol-5-yl] methyl]-1H-indol-5-yl]-N-methylmethanesulphonamide Succinate Salt
Catalogue No.:PA 19 36011
CAS :
2771193-10-1
Molecular Formula : C31H43N5O6S
Molecular Weight : 613.77


3a-Hydroxy-1,1-dimethyl-5-((N-methylsulfamoyl)methyl)-1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indol-1-ium Chloride
3a-Hydroxy-1,1-dimethyl-5-((N-methylsulfamoyl)methyl)-1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indol-1-ium Chloride
Catalogue No.:PA 19 36600
CAS :
NA
Molecular Formula : C14H22ClN3O3S
Molecular Weight : 347.86


3a-Hydroxy-1,1-dimethyl-5-((N-methylsulfamoyl)methyl)-1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indol-1-ium 2,2,2-trifluoroacetate
3a-Hydroxy-1,1-dimethyl-5-((N-methylsulfamoyl)methyl)-1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indol-1-ium 2,2,2-trifluoroacetate
Catalogue No.:PA 19 0361001
CAS :
2760668-68-4
Molecular Formula : C16H22F3N3O5S
Molecular Weight : 425.42


1-(3-(2-(Dimethylamino)ethyl)-2-((3-(2-(dimethylamino)ethyl)-1-nitroso-1H-indol-5-yl)methyl)-1H-indol-5-yl)-N-methylmethanesulfonamide
1-(3-(2-(Dimethylamino)ethyl)-2-((3-(2-(dimethylamino)ethyl)-1-nitroso-1H-indol-5-yl)methyl)-1H-indol-5-yl)-N-methylmethanesulfonamide
Catalogue No.:PA 19 0361011
CAS :
NA
Molecular Formula : C27H36N6O3S
Molecular Weight : 524.68


3a-Hydroxy-1,1-dimethyl-5-((N-methylsulfamoyl)methyl)-1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indol-1-ium Sulfate
3a-Hydroxy-1,1-dimethyl-5-((N-methylsulfamoyl)methyl)-1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indol-1-ium Sulfate
Catalogue No.:PA 19 0361012
CAS :
NA
Molecular Formula : C28H44N6O10S3
Molecular Weight : 720.87


N-(3-(2-(Dimethylamino)ethyl)-1-(hydroxymethyl)-1H-indol-5-yl)-N-methylmethanesulfonamide Succinate
N-(3-(2-(Dimethylamino)ethyl)-1-(hydroxymethyl)-1H-indol-5-yl)-N-methylmethanesulfonamide succinate
Catalogue No.:PA 19 0361014
CAS :
NA
Molecular Formula : C19H29N3O7S
Molecular Weight : 443.52


3a-Hydroxy-1,1-dimethyl-5-((N-methylsulfamoyl)methyl)-1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indol-1-ium Acetate
3a-Hydroxy-1,1-dimethyl-5-((N-methylsulfamoyl)methyl)-1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indol-1-ium Acetate
Catalogue No.:PA 19 0361015
CAS :
NA
Molecular Formula : C16H25N3O5S
Molecular Weight : 371.45