iopromide and its Impurities
Iopromide is a molecule used as a contrast medium. It is commonly used in radiographic studies such as intravenous urograms, brain computer tomography and CT pulmonary angiograms. Reference standards of Iopromide API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


Iopromide - Impurity D
N-(2,3-Dihydroxypropyl)-N'-[3-[[3-[(2,3-dihydroxypropyl)carbamoyl]-5-[(2,3-dihydroxypropyl)methylcarbamoyl]-2,4,6-triiodophenyl](methoxyacetyl)amino]-2-hydroxypropyl]-2,4,6-triiodo-5-[(methoxyacetyl)amino]-N-methylbenzene-1,3-dicarboxamide
Catalogue No.:PA 09 39040
CAS :
154361-55-4
Molecular Formula : C36H46I6N6O15
Molecular Weight : 1564.22


Iopromide - Impurity E
3-[[3-[(2,3-Dihydroxypropyl)carbamoyl]-2,4,6-triiodo-5-[(methoxyacetyl)amino]benzoyl]methylamino]-2-hydroxypropyl 3-[(2,3-dihydroxypropyl)carbamoyl]-2,4,6-triiodo-5-[(methoxyacetyl)amino]benzoate
Catalogue No.:PA 09 39050
CAS :
154397-78-1
Molecular Formula : C32H37I6N5O14
Molecular Weight : 1477.10


Iopromide Related Compound A (5-Amino-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-N-methyl-1,3-benz (1344826)
Iopromide Related Compound A (5-Amino-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-N-methyl-1,3-benz (1344826)
Catalogue No.:PA USP1344826
CAS :
NA
Molecular Formula : NA
Molecular Weight : NA


Iopromide Related Compound B (5-(Acetylamino)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-N-methyl- (1344837)
Iopromide Related Compound B (5-(Acetylamino)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-N-methyl- (1344837)
Catalogue No.:PA USP1344837
CAS :
NA
Molecular Formula : NA
Molecular Weight : NA

![5-Amino-N,N’-bis[2,3-bis(acetyloxy)propyl]-2 PA 09 39520](https://www.pharmaffiliates.com/pimages/PA0939520.jpg)
5-Amino-N,N’-bis[2,3-bis(acetyloxy)propyl]-2,4,6-triiodo-N-methyl-1,3-benzenedicarboxamide
5-Amino-N,N’-bis[2,3-bis(acetyloxy)propyl]-2,4,6-triiodo-N-methyl-1,3-benzenedicarboxamide
Catalogue No.:PA 09 39520
CAS :
76350-09-9
Molecular Formula : C23H28I3N3O10
Molecular Weight : 887.2

![5-Amino-N’-[2,3-bis(acetyloxy)propyl]-N-(2,3 PA 09 39530](https://www.pharmaffiliates.com/pimages/PA0939530.jpg)
5-Amino-N’-[2,3-bis(acetyloxy)propyl]-N-(2,3-dihydroxypropy)-2,4,6-triiodo-N-methyl-1,3-benzenedicarboxamide
5-Amino-N’-[2,3-bis(acetyloxy)propyl]-N-(2,3-dihydroxypropy)-2,4,6-triiodo-N-methyl-1,3-benzenedicarboxamide
Catalogue No.:PA 09 39530
CAS :
1391051-75-4
Molecular Formula : C19H24I3N3O8
Molecular Weight : 803.12


tert-Butyl (3-(chlorocarbonyl)-5-((2,3-dihydroxypropyl)carbamoyl)-2,4,6-triiodophenyl)carbamate
tert-Butyl (3-(chlorocarbonyl)-5-((2,3-dihydroxypropyl)carbamoyl)-2,4,6-triiodophenyl)carbamate
Catalogue No.:PAI 09 003023
CAS :
NA
Molecular Formula : C16H18ClI3N2O6
Molecular Weight : 750.49


tert-Butyl (3-((2,3-dihydroxypropyl)(methyl)carbamoyl)-5-((2,3-dihydroxypropyl)carbamoyl)-2,4,6-triiodophenyl)carbamate
tert-Butyl (3-((2,3-dihydroxypropyl)(methyl)carbamoyl)-5-((2,3-dihydroxypropyl)carbamoyl)-2,4,6-triiodophenyl)carbamate
Catalogue No.:PAI 09 003025
CAS :
NA
Molecular Formula : C20H28I3N3O8
Molecular Weight : 819.17