ivabradine and its Impurities
Ivabradine is used for the symptomatic treatment of chronic stable angina pectoris in patients with normal sinus rhythm who cannot take beta blockers. It is marketed under the trade name Corlanor. Reference standards of Ivabradine API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

![3-(3-((((S)-3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5- PA 09 0581000](https://www.pharmaffiliates.com/pimages/PA090581000.jpg)
3-(3-((((S)-3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-2-oxo-2,3,4,5-tetrahydro-1H-benzo[d]azepine 3-Oxide
3-(3-((((S)-3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-2-oxo-2,3,4,5-tetrahydro-1H-benzo[d]azepine 3-Oxide
Catalogue No.:PA 09 0581000
CAS :
NA
Molecular Formula : C27H36N2O6
Molecular Weight : 484.59

![(S)-3-(3-(((3,4-Dimethoxybicyclo[4.2.0]octa-1(6),2 PA 09 0581001](https://www.pharmaffiliates.com/pimages/PA090581001.jpg)
(S)-3-(3-(((3,4-Dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-4,5-dihydro-1H-benzo[d]azepine-1,2(3H)-dione Oxalate
(S)-3-(3-(((3,4-Dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-4,5-dihydro-1H-benzo[d]azepine-1,2(3H)-dione Oxalate
Catalogue No.:PA 09 0581001
CAS :
NA
Molecular Formula : C29H36N2O10
Molecular Weight : 572.61


3-(3-((((1R,3S,4R,6S,7S)-3,4-Dimethoxybicyclo[4.2.0]octan-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one
3-(3-((((1R,3S,4R,6S,7S)-3,4-Dimethoxybicyclo[4.2.0]octan-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one
Catalogue No.:PA 09 0581005
CAS :
NA
Molecular Formula : C27H42N2O5
Molecular Weight : 474.64


3-(3-((((1S,3R,4S,6R,7S)-3,4-Dimethoxybicyclo[4.2.0]octan-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one
3-(3-((((1S,3R,4S,6R,7S)-3,4-Dimethoxybicyclo[4.2.0]octan-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one
Catalogue No.:PA 09 0581006
CAS :
NA
Molecular Formula : C27H42N2O5
Molecular Weight : 474.64

![3-(3-((((S)-3,4-Dimethoxybicyclo[4.2.0]octa-1(6),2 PA 09 0581007](https://www.pharmaffiliates.com/pimages/PA090581007.jpg)
3-(3-((((S)-3,4-Dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)(methyl)amino)propyl)-5-hydroxy-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one
3-(3-((((S)-3,4-Dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)(methyl)amino)propyl)-5-hydroxy-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one
Catalogue No.:PA 09 0581007
CAS :
2253977-80-7
Molecular Formula : C27H36N2O6
Molecular Weight : 484.59


3-(3-((3-Chloro-2-(3,4-dimethoxyphenyl)propyl)(methyl)amino)propyl)-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one
3-(3-((3-Chloro-2-(3,4-dimethoxyphenyl)propyl)(methyl)amino)propyl)-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one
Catalogue No.:PA 09 0581008
CAS :
NA
Molecular Formula : C27H37ClN2O5
Molecular Weight : 505.05

![7-(3-((((R)-3,4-Dimethoxybicyclo[4.2.0]octa-1(6),2 PA 09 0241008](https://www.pharmaffiliates.com/pimages/PA090241008.jpg)
7-(3-((((R)-3,4-Dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)(methyl)amino)propyl)-2,3-dimethoxy-5,7,8,9-tetrahydro-6H-benzo[7]annulen-6-one hydrochloride
7-(3-((((R)-3,4-Dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)(methyl)amino)propyl)-2,3-dimethoxy-5,7,8,9-tetrahydro-6H-benzo[7]annulen-6-one hydrochloride
Catalogue No.:PA 09 0241008
CAS :
148849-68-7
Molecular Formula : C28H38ClNO5
Molecular Weight : 504.06


3-(2,3-Dimethoxy-6-oxo-6,7,8,9-tetrahydro-5H-benzo[7]annulen-7-yl)-N-(((S)-3,4-dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)-N-methylpropan-1-amine oxide
3-(2,3-Dimethoxy-6-oxo-6,7,8,9-tetrahydro-5H-benzo[7]annulen-7-yl)-N-(((S)-3,4-dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)-N-methylpropan-1-amine oxide
Catalogue No.:PA 09 0581010
CAS :
NA
Molecular Formula : C28H37NO6
Molecular Weight : 483.61

![3-(3-(((3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trie PA 09 0581011](https://www.pharmaffiliates.com/pimages/PA090581011.jpg)
3-(3-(((3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one hydrochloride
3-(3-(((3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one hydrochloride
Catalogue No.:PA 09 0581011
CAS :
1796933-38-4
Molecular Formula : C27H37ClN2O5
Molecular Weight : 505.05

![1-(((S)-3,4-Dimethoxybicyclo[4.2.0]octa-1(6),2,4-t PA 09 0581015](https://www.pharmaffiliates.com/pimages/PA090581015.jpg)
1-(((S)-3,4-Dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)-3-(((S)-3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl)urea
1-(((S)-3,4-Dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)-3-(((S)-3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl)urea
Catalogue No.:PA 09 0581015
CAS :
NA
Molecular Formula : C23H28N2O5
Molecular Weight : 412.49

![(R)-3-(3-(((3,4-Dimethoxybicyclo[4.2.0]octa-1(6),2 PA 09 0581019](https://www.pharmaffiliates.com/pimages/PA090581019.jpg)
(R)-3-(3-(((3,4-Dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)amino)propyl)-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one
(R)-3-(3-(((3,4-Dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)amino)propyl)-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one
Catalogue No.:PA 09 0581019
CAS :
2724918-59-4
Molecular Formula : C26H34N2O5
Molecular Weight : 454.57

![3-(3-((((S)-3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5- PA 09 0581020](https://www.pharmaffiliates.com/pimages/PA090581020.jpg)
3-(3-((((S)-3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxydecahydro-2H-benzo[d]azepin-2-one Hydrochloride
3-(3-((((S)-3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxydecahydro-2H-benzo[d]azepin-2-one Hydrochloride
Catalogue No.:PA 09 0581020
CAS :
NA
Molecular Formula : C27H43ClN2O5
Molecular Weight : 511.1

![(S)-3-(3-(((3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5- PA 09 0581021](https://www.pharmaffiliates.com/pimages/PA090581021.jpg)
(S)-3-(3-(((3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-1,5-dihydro-2H-benzo[d]azepine-2,4(3H)-dione
(S)-3-(3-(((3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-1,5-dihydro-2H-benzo[d]azepine-2,4(3H)-dione
Catalogue No.:PA 09 0581021
CAS :
1629315-02-1
Molecular Formula : C27H34N2O6
Molecular Weight : 482.58

![(S)-3-Chloro-N-((3,4-dimethoxybicyclo[4.2.0]octa-1 PA 09 0581022](https://www.pharmaffiliates.com/pimages/PA090581022.jpg)
(S)-3-Chloro-N-((3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl)-N-methylpropan-1-amine
(S)-3-Chloro-N-((3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl)-N-methylpropan-1-amine
Catalogue No.:PA 09 0581022
CAS :
1031767-71-1
Molecular Formula : C15H22ClNO2
Molecular Weight : 283.8

![3-(3-((((S)-3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5- PA 09 0581025](https://www.pharmaffiliates.com/pimages/PA090581025.jpg)
3-(3-((((S)-3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl)(methyl)amino)propyl)-1-hydroxy-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one
3-(3-((((S)-3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl)(methyl)amino)propyl)-1-hydroxy-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one
Catalogue No.:PA 09 0581025
CAS :
2511244-96-3
Molecular Formula : C27H36N2O6
Molecular Weight : 484.59

![3-(3-(((4-Hydroxy-3-methoxybicyclo[4.2.0]octa-1,3, PA 09 0581024](https://www.pharmaffiliates.com/pimages/PA090581024.jpg)
3-(3-(((4-Hydroxy-3-methoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one
3-(3-(((4-Hydroxy-3-methoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one
Catalogue No.:PA 09 0581024
CAS :
2247881-27-0
Molecular Formula : C26H34N2O5
Molecular Weight : 454.57

![(S)-3-(3-(((4-Hydroxy-3-methoxybicyclo[4.2.0]octa- PA 09 0581026](https://www.pharmaffiliates.com/pimages/PA090581026.jpg)
(S)-3-(3-(((4-Hydroxy-3-methoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one
(S)-3-(3-(((4-Hydroxy-3-methoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one
Catalogue No.:PA 09 0581026
CAS :
304465-03-0
Molecular Formula : C26H34N2O5
Molecular Weight : 454.57

![(S)-3-(3-(((3,4-Dimethoxybicyclo[4.2.0]octa-1(6),2 PA 09 0581029](https://www.pharmaffiliates.com/pimages/PA090581029.jpg)
(S)-3-(3-(((3,4-Dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)(methyl)amino)propyl)-5-hydroxy-7,8-dimethoxy-1,3-dihydro-2H-benzo[d]azepin-2-one
(S)-3-(3-(((3,4-Dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)(methyl)amino)propyl)-5-hydroxy-7,8-dimethoxy-1,3-dihydro-2H-benzo[d]azepin-2-one
Catalogue No.:PA 09 0581029
CAS :
NA
Molecular Formula : C27H34N2O6
Molecular Weight : 482.58

![(R)-3-(3-(((3,4-Dimethoxybicyclo[4.2.0]octa-1(6),2 PA 09 0581032](https://www.pharmaffiliates.com/pimages/PA090581032.jpg)
(R)-3-(3-(((3,4-Dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-2,3-dihydro-1H-benzo[d]azepine-1,4(5H)-dione
(R)-3-(3-(((3,4-Dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-2,3-dihydro-1H-benzo[d]azepine-1,4(5H)-dione
Catalogue No.:PA 09 0581032
CAS :
NA
Molecular Formula : C27H34N2O6
Molecular Weight : 482.58

![(S)-3-(3-(((3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5- PA STI 089846](https://www.pharmaffiliates.com/pimages/PASTI089846.jpg)
(S)-3-(3-(((3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl)(methyl)amino)propyl)-7,8-bis(methoxy-d3)-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one Hydrochloride
(S)-3-(3-(((3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl)(methyl)amino)propyl)-7,8-bis(methoxy-d3)-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one Hydrochloride
Catalogue No.:PA STI 089846
CAS :
2070009-63-9
Molecular Formula : C27H31D6ClN2O5
Molecular Weight : 511.09