Impurity-4
CAS No: NA
																	Chemical Name: 
5-amino-2-(1,3-dioxoisoindolin-2-yl)-5-oxopentanoic acid
																	5-amino-2-(1,3-dioxoisoindolin-2-yl)-5-oxopentanoic acid
Molecular Formula: 
C13H12N2O5
																	
																	
																C13H12N2O5
Impurity-5
CAS No:  6349-98-0
																	Chemical Name: 
2-(1,3-dioxoisoindolin-2-yl)pentanedioic acid
																	2-(1,3-dioxoisoindolin-2-yl)pentanedioic acid
Molecular Formula: 
C13H11NO6
																	
																	
																C13H11NO6
Impurity-7
CAS No: 3343-28-0
																	Chemical Name: 
2-(2,6-dioxotetrahydro-2H-pyran-3-yl)isoindoline-1,3-dione
																	2-(2,6-dioxotetrahydro-2H-pyran-3-yl)isoindoline-1,3-dione
Molecular Formula: 
C13H9NO5
																	
																	
																C13H9NO5
Reference standared
CAS No: 50-35-1
																	Chemical Name: 
a-(N-Phthalimido)glutarimide
																	a-(N-Phthalimido)glutarimide
Molecular Formula: 
C13H10N2O4
																	
																	
																C13H10N2O4
Impurity-2
CAS No: 85-41-6
																	Chemical Name: 
isoindoline-1,3-dione (Phthalimide0
																	isoindoline-1,3-dione (Phthalimide0
Molecular Formula: 
C8H5NO2
																	
																	
																C8H5NO2

 
																		 
																		 
																		 
																		 
																		 
																		 
																		