Siponimod and its Impurities
Siponimod, sold under the brand name Mayzent, is a selective sphingosine-1-phosphate receptor modulator for oral use that is used for multiple sclerosis. Reference standards of Siponimod API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
 
	
			                                   
																				(E)-1-(4-(1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)-2-hydroxyazetidine-3-carboxylic Acid
(E)-1-(4-(1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)-2-hydroxyazetidine-3-carboxylic Acid
- Catalogue No.:PA 19 1831002 
- CAS : - NA
- Molecular Formula : C29H35F3N2O4 
- Molecular Weight : 532.6 
 
	
			                                   
																				(Z)-1-(4-(1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)azetidine-3-carboxylic Acid
(Z)-1-(4-(1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)azetidine-3-carboxylic Acid
- Catalogue No.:PA 19 1831003 
- CAS : - 2768181-14-0
- Molecular Formula : C29H35F3N2O3 
- Molecular Weight : 516.61 
 
	
			                                   
																				3-((4-((E)-1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)(nitroso)amino)-2-(((1-(4-((E)-1-(((4-cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)azetidine-3-carbonyl)oxy)methyl)propanoic Acid
3-((4-((E)-1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)(nitroso)amino)-2-(((1-(4-((E)-1-(((4-cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)azetidine-3-carbonyl)oxy)methyl)propanoic Acid
- Catalogue No.:PA 19 1831005 
- CAS : - NA
- Molecular Formula : C58H69F6N5O7 
- Molecular Weight : 1062.21 
 
	
			                                   
																				(E)-2-(((4-(1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)(nitroso)amino)methyl)acrylic Acid
(E)-2-(((4-(1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)(nitroso)amino)methyl)acrylic Acid
- Catalogue No.:PA 19 1831006 
- CAS : - NA
- Molecular Formula : C29H34F3N3O4 
- Molecular Weight : 545.6 
 
	
			                                   
																				Dimethyl 1,1'-(((1-oxobut-2-ene-1,3-diyl)bis(2-ethyl-4,1-phenylene))bis(methylene))(E)-bis(azetidine-3-carboxylate)
Dimethyl 1,1'-(((1-oxobut-2-ene-1,3-diyl)bis(2-ethyl-4,1-phenylene))bis(methylene))(E)-bis(azetidine-3-carboxylate)
- Catalogue No.:PA 19 1831007 
- CAS : - NA
- Molecular Formula : C32H40N2O5 
- Molecular Weight : 532.68 
 
	
			                                   
																				Dimethyl 1,1'-(((1-oxobut-2-ene-1,3-diyl)bis(2-ethyl-4,1-phenylene))bis(methylene))(Z)-bis(azetidine-3-carboxylate)
Dimethyl 1,1'-(((1-oxobut-2-ene-1,3-diyl)bis(2-ethyl-4,1-phenylene))bis(methylene))(Z)-bis(azetidine-3-carboxylate)
- Catalogue No.:PA 19 1831008 
- CAS : - NA
- Molecular Formula : C32H40N2O5 
- Molecular Weight : 532.68 
 
	
			                                   
																				1-(4-(1-(((4-Cyclohexyl-3-methylbenzyl)oxy)imino)ethyl)-2-ethylbenzyl)azetidine-3-carboxylic Acid
1-(4-(1-(((4-Cyclohexyl-3-methylbenzyl)oxy)imino)ethyl)-2-ethylbenzyl)azetidine-3-carboxylic Acid
- Catalogue No.:PA 19 1831009 
- CAS : - 800380-45-4
- Molecular Formula : C29H38N2O3 
- Molecular Weight : 462.63 
 
	
			                                   
																				(E)-2-(((4-(1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)amino)methyl)acrylic Acid
(E)-2-(((4-(1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)amino)methyl)acrylic Acid
- Catalogue No.:PA 19 1831010 
- CAS : - NA
- Molecular Formula : C29H35F3N2O3 
- Molecular Weight : 516.61 
 
	
			                                   
																				(E)-3-((4-(1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)amino)-2-(hydroxymethyl)propanoic Acid
(E)-3-((4-(1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)amino)-2-(hydroxymethyl)propanoic Acid
- Catalogue No.:PA 19 1831011 
- CAS : - NA
- Molecular Formula : C29H37F3N2O4 
- Molecular Weight : 534.62 
 
	
			                                   
																				3-((4-((E)-1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)amino)-2-(((1-(4-((E)-1-(((4-cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)azetidine-3-carbonyl)oxy)methyl)propanoic Acid
3-((4-((E)-1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)amino)-2-(((1-(4-((E)-1-(((4-cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)azetidine-3-carbonyl)oxy)methyl)propanoic Acid
- Catalogue No.:PA 19 1831012 
- CAS : - NA
- Molecular Formula : C58H70F6N4O6 
- Molecular Weight : 1032.52 
 
	
			                                   
																				(E)-N-((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)-1-(4-(1-(((4-cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)azetidine-3-carboxamide
(E)-N-((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)-1-(4-(1-(((4-cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)azetidine-3-carboxamide
- Catalogue No.:PA 19 1831015 
- CAS : - NA
- Molecular Formula : C43H51F6N3O3 
- Molecular Weight : 771.8 
 
	
			                                   
																				(E)-3-Carboxy-1-(4-(1-(((4-cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)azetidine 1-oxide
(E)-3-Carboxy-1-(4-(1-(((4-cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)azetidine 1-oxide
- Catalogue No.:PA 19 1831017 
- CAS : - NA
- Molecular Formula : C29H35F3N2O4 
- Molecular Weight : 532.6 
 
	
			                                   
																				(Z)-3-((4-(1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)amino)-2-(hydroxymethyl)propanoic Acid
(Z)-3-((4-(1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)amino)-2-(hydroxymethyl)propanoic Acid
- Catalogue No.:PA 19 1831018 
- CAS : - NA
- Molecular Formula : C29H37F3N2O4 
- Molecular Weight : 534.62 
 
	
			                                   
																				(E)-1-(2-Ethyl-4-(1-(((2-(trifluoromethyl)-2',3',4',5'-tetrahydro-[1,1'-biphenyl]-4-yl)methoxy)imino)ethyl)benzyl)azetidine-3-carboxylic Acid
(E)-1-(2-Ethyl-4-(1-(((2-(trifluoromethyl)-2',3',4',5'-tetrahydro-[1,1'-biphenyl]-4-yl)methoxy)imino)ethyl)benzyl)azetidine-3-carboxylic Acid
- Catalogue No.:PA 19 1831021 
- CAS : - 2768181-12-8
- Molecular Formula : C29H33F3N2O3 
- Molecular Weight : 514.59 
 
	
			                                   
																				(E)-1-(4-(1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-vinylbenzyl)azetidine-3-carboxylic Acid
(E)-1-(4-(1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-vinylbenzyl)azetidine-3-carboxylic Acid
- Catalogue No.:PA 19 1831022 
- CAS : - 2768181-13-9
- Molecular Formula : C29H33F3N2O3 
- Molecular Weight : 514.59 
 
	
			                                   
																				Methyl (E)-1-(4-(1-(((4-cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)azetidine-3-carboxylate
Methyl (E)-1-(4-(1-(((4-cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)azetidine-3-carboxylate
- Catalogue No.:PA 19 1831023 
- CAS : - 2746387-08-4
- Molecular Formula : C30H37F3N2O3 
- Molecular Weight : 530.63 
 
	
			                                   
																				(E)-1-(4-(1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)benzyl)azetidine-3-carboxylic Acid
(E)-1-(4-(1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)benzyl)azetidine-3-carboxylic Acid
- Catalogue No.:PA 19 1831025 
- CAS : - 2768181-18-4
- Molecular Formula : C27H31F3N2O3 
- Molecular Weight : 488.55 
 
	
			                                   
																				(E)-1-((1-(4-(1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)azetidin-3-yl)methyl)azetidine-3-carboxylic Acid
(E)-1-((1-(4-(1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)azetidin-3-yl)methyl)azetidine-3-carboxylic Acid
- Catalogue No.:PA 19 1831026 
- CAS : - NA
- Molecular Formula : C33H42F3N3O3 
- Molecular Weight : 585.71 
 
	
			                                   
																				(Z)-2-(((4-(1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)amino)methyl)acrylic Acid
(Z)-2-(((4-(1-(((4-Cyclohexyl-3-(trifluoromethyl)benzyl)oxy)imino)ethyl)-2-ethylbenzyl)amino)methyl)acrylic Acid
- Catalogue No.:PA 19 1831029 
- CAS : - NA
- Molecular Formula : C29H35F3N2O3 
- Molecular Weight : 516.61 

 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
																				 
 
 
 
