atracurium and its Impurities
Atracurium is a non-depolarizing neuromuscular-blocking drugs. It produces skeletal muscle relaxation during surgery after general anesthesia has been induced. By WHO it is listed as most important medication needed in a basic health system. Reference standards of Atracurium API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.


(1R)-2-(3-((5-Acetoxypentyl)oxy)-3-oxopropyl)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium Iodide
(1R)-2-(3-((5-Acetoxypentyl)oxy)-3-oxopropyl)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium Iodide
Catalogue No.:PA 01 84510
CAS :
NA
Molecular Formula : C31H44INO8
Molecular Weight : 685.59


2-(3-(tert-Butoxy)-3-oxopropyl)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium iodide
2-(3-(tert-Butoxy)-3-oxopropyl)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium iodide
Catalogue No.:PAI 01 010010
CAS :
NA
Molecular Formula : C28H40INO6
Molecular Weight : 613.52


Hexane-1,6-diyl bis(3-(1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)propanoate)
Hexane-1,6-diyl bis(3-(1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)propanoate)
Catalogue No.:PAI 01 010030
CAS :
64228-88-2
Molecular Formula : C52H68N2O12
Molecular Weight : 913.1


2-(3-((6-(Acryloyloxy)hexyl)oxy)-3-oxopropyl)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium Iodide
2-(3-((6-(Acryloyloxy)hexyl)oxy)-3-oxopropyl)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium Iodide
Catalogue No.:PA 01 84580
CAS :
NA
Molecular Formula : C33H46INO8
Molecular Weight : 711.63


3-Methylhexane-1,6-diyl bis(3-(1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)propanoate)
3-Methylhexane-1,6-diyl bis(3-(1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)propanoate)
Catalogue No.:PAI 01 010050
CAS :
NA
Molecular Formula : C53H70N2O12
Molecular Weight : 927.15


(R)-Pentane-1,5-diyl bis(3-((R)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)propanoate)
(R)-Pentane-1,5-diyl bis(3-((R)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)propanoate)
Catalogue No.:PA 01 0841004
CAS :
64228-84-8
Molecular Formula : C51H66N2O12
Molecular Weight : 899.09


Atracurium (Mixture of Diastereomers)
Isoquinolinium, 1-[(3,4-dimethoxyphenyl)methyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2-(3-methoxy-3-oxopropyl)-2-methyl-, (1R)-, benzenesulfonate (1:1)
Catalogue No.:PA 01 0841005
CAS :
1075726-90-7
Molecular Formula : C31H39NO9S
Molecular Weight : 601.71


(1R)-1-(3,4-Dimethoxybenzyl)-6,7-dimethoxy-2-(3-methoxy-3-oxopropyl)-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium iodide
(1R)-1-(3,4-Dimethoxybenzyl)-6,7-dimethoxy-2-(3-methoxy-3-oxopropyl)-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium iodide
Catalogue No.:PA 01 0841006
CAS :
1075726-86-1
Molecular Formula : C25H34INO6
Molecular Weight : 571.45


(1S,2S)-1-(3,4-Dimethoxybenzyl)-2-(3-((5-((3-((1S,2S)-1-(3,4-dimethoxybenzyl)-6,7-diethyl-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium-2-yl)propanoyl)oxy)pentyl)oxy)-3-oxopropyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium Iodide;
(1S,2S)-1-(3,4-Dimethoxybenzyl)-2-(3-((5-((3-((1S,2S)-1-(3,4-dimethoxybenzyl)-6,7-diethyl-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium-2-yl)propanoyl)oxy)pentyl)oxy)-3-oxopropyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium Iodide;
Catalogue No.:PA 01 0841008
CAS :
NA
Molecular Formula : C55H76I2N2O10
Molecular Weight : 1179.03


(1S,1'S,2S,2'S)-2,2'-((Pentane-1,5-diylbis(oxy))bis(3-oxopropane-3,1-diyl))bis(1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium) Iodide
(1S,1'S,2S,2'S)-2,2'-((Pentane-1,5-diylbis(oxy))bis(3-oxopropane-3,1-diyl))bis(1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium) Iodide
Catalogue No.:PA 01 0841009
CAS :
NA
Molecular Formula : C53H72I2N2O12
Molecular Weight : 1182.97


(1R,2R)-1-(3,4-Dimethoxybenzyl)-2-(3-((5-hydroxypentyl)oxy)-3-oxopropyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium 2,2,2-Trifluoroacetate
(1R,2R)-1-(3,4-Dimethoxybenzyl)-2-(3-((5-hydroxypentyl)oxy)-3-oxopropyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium 2,2,2-Trifluoroacetate
Catalogue No.:PA 01 2400001
CAS :
NA
Molecular Formula : C31H42F3NO9
Molecular Weight : 629.67