ranitidine and its Impurities
An H2 histamine receptor antagonist, Ranitidine is used in the treatment of of peptic ulcer disease and gastroesophageal reflux disease It works by blocking histamine and decrasing the amount of acid released by cells of the stomach.Reference standards of Ranitidine API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


N,N-Dimethyl-5-[[[2-[[1-(methylthio)-2-nitroethenyl]amino]ethyl]thio]methyl]-2-furanmethanamine
N,N-Dimethyl-5-[[[2-[[1-(methylthio)-2-nitroethenyl]amino]ethyl]thio]methyl]-2-furanmethanamine
Catalogue No.:PA 18 06540
CAS :
72115-14-1
Molecular Formula : C13H21N3O3S2
Molecular Weight : 331.45


N,N,N-Trimethyl-5-[[[2-[[1-(methylamino)-2-nitroethenyl]amino]ethyl]thio]methyl]-2-furanmethanaminium iodide
N,N,N-Trimethyl-5-[[[2-[[1-(methylamino)-2-nitroethenyl]amino]ethyl]thio]methyl]-2-furanmethanaminium iodide
Catalogue No.:PA 18 06550
CAS :
154018-75-4
Molecular Formula : C14H25IN4O3S
Molecular Weight : 456.34


Ranitidine Related Compound A (5-[[(2-aminoethyl)thio]methyl]-N,N-dimethyl-2-furanmethanamine, hemi (1598507)
Ranitidine Related Compound A (5-[[(2-aminoethyl)thio]methyl]-N,N-dimethyl-2-furanmethanamine, hemi (1598507)
Catalogue No.:PA USP1598507
CAS :
91224-69-0
Molecular Formula : NA
Molecular Weight : NA


Ranitidine Related Compound B (N,N'-bis[2-[[[5-[(dimethylamino)methyl]-2-furanyl]methyl]thio]ethyl] (1598609)
Ranitidine Related Compound B (N,N'-bis[2-[[[5-[(dimethylamino)methyl]-2-furanyl]methyl]thio]ethyl] (1598609)
Catalogue No.:PA USP1598609
CAS :
72126-78-4
Molecular Formula : NA
Molecular Weight : NA


Ranitidine Related Compound C (N-[2-[[[5-[(dimethylamino)methyl]-2-furanyl]methyl]sulfinyl]ethyl]-N (1598700)
Ranitidine Related Compound C (N-[2-[[[5-[(dimethylamino)methyl]-2-furanyl]methyl]sulfinyl]ethyl]-N (1598700)
Catalogue No.:PA USP1598700
CAS :
73851-70-4
Molecular Formula : NA
Molecular Weight : NA


5,6-Dihydro-3-(methylamino)-2H-1,4-thiazin-2-one O-[[5-[(Dimethylamino)methyl]-2-furanyl]methyl]oxime
5,6-Dihydro-3-(methylamino)-2H-1,4-thiazin-2-one O-[[5-[(Dimethylamino)methyl]-2-furanyl]methyl]oxime
Catalogue No.:PA 18 0651002
CAS :
112233-24-6
Molecular Formula : C13H20N4O2S
Molecular Weight : 296.39

![N-{2-[({5-[(Dimethylamino)methyl]furan-2-yl}methyl PA 18 0651004](https://www.pharmaffiliates.com/pimages/PA180651004.jpg)
N-{2-[({5-[(Dimethylamino)methyl]furan-2-yl}methyl)thio]ethyl}-N-[1-(methylamino)-2-nitrovinyl]nitrosamine
N-{2-[({5-[(Dimethylamino)methyl]furan-2-yl}methyl)thio]ethyl}-N-[1-(methylamino)-2-nitrovinyl]nitrosamine
Catalogue No.:PA 18 0651004
CAS :
NA
Molecular Formula : C13H21N5O4S
Molecular Weight : 343.4

![N-[1-({2-[({5-[(dimethylamino)methyl]furan-2-yl}me PA 18 0651005](https://www.pharmaffiliates.com/pimages/PA180651005.jpg)
N-[1-({2-[({5-[(dimethylamino)methyl]furan-2-yl}methyl)thio]ethyl}amino)-2-nitrovinyl]-N-methylnitrosamine
N-[1-({2-[({5-[(dimethylamino)methyl]furan-2-yl}methyl)thio]ethyl}amino)-2-nitrovinyl]-N-methylnitrosamine
Catalogue No.:PA 18 0651005
CAS :
NA
Molecular Formula : C13H21N5O4S
Molecular Weight : 343.4


tert-Butyl (E)-(1-((tert-butoxycarbonyl)(2-(((5-((dimethylamino)methyl)furan-2-yl)methyl)thio)ethyl)amino)-2-nitrovinyl)(methyl)carbamate
tert-Butyl (E)-(1-((tert-butoxycarbonyl)(2-(((5-((dimethylamino)methyl)furan-2-yl)methyl)thio)ethyl)amino)-2-nitrovinyl)(methyl)carbamate
Catalogue No.:PAI 18 007011
CAS :
NA
Molecular Formula : C23H38N4O7S
Molecular Weight : 514.64


(E)-N-Methyl-N'-(2-(((5-((methylamino)methyl)furan-2-yl)methyl)thio)ethyl)-2-nitroethene-1,1-diamine
(E)-N-Methyl-N'-(2-(((5-((methylamino)methyl)furan-2-yl)methyl)thio)ethyl)-2-nitroethene-1,1-diamine
Catalogue No.:PAI 18 007012
CAS :
NA
Molecular Formula : C12H20N4O3S
Molecular Weight : 300.38


tert-Butyl (Z)-(1-((2-(((5-((dimethylamino)methyl)furan-2-yl)methyl)thio)ethyl)amino)-2-nitrovinyl)(methyl)carbamate
tert-Butyl (Z)-(1-((2-(((5-((dimethylamino)methyl)furan-2-yl)methyl)thio)ethyl)amino)-2-nitrovinyl)(methyl)carbamate
Catalogue No.:PAI 18 007016
CAS :
NA
Molecular Formula : C18H30N4O5S
Molecular Weight : 414.52


tert-Butyl (E)-(1-((2-(((5-((dimethylamino)methyl)furan-2-yl)methyl)thio)ethyl)(nitroso)amino)-2-nitrovinyl)(methyl)carbamate
tert-Butyl (E)-(1-((2-(((5-((dimethylamino)methyl)furan-2-yl)methyl)thio)ethyl)(nitroso)amino)-2-nitrovinyl)(methyl)carbamate
Catalogue No.:PAI 18 007017
CAS :
NA
Molecular Formula : C18H29N5O6S
Molecular Weight : 443.52


Ranitidine Hydrochloride -Impurity E (Hydrochloride Salt) (EP/BP)
N-[2-[[[5-[(Dimethyloxidoamino)methyl]furan-2-yl]methyl]sulfanyl]ethyl]-N′-methyl-2- nitroethene-1,1-diamine Hydrochloride
Catalogue No.:PA 18 0650051
CAS :
75679-05-9
Molecular Formula : C13H23ClN4O4S
Molecular Weight : 366.86