Impurity Reference Standard - Products

Atracurium Besilate

CAT No: CL-ATCR-01 CAS No: 64228-81-5 Mol Wt: 928.1 : 2(157.2) Mol F: C53H72N2O12 : 2(C6H5O3S) Inv Status: Custom Synthesis

Chemical Name: 2,2??-[pentane-1,5-diylbis[oxy(3-oxopropane-1,3-diyl)]]bis[1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolinium] dibenzenesulfonate ;2-(2-Carboxyethyl)-1,2,3,4-tetrahydro-6,7-dimeth oxy-2-methyl-1-veratrylisoquinolinium benzenesulfonate, pentamethylene ester (as per USP)

Atracurium Impurity D1 Iodide

CAT No: CL-ATCR-02 CAS No: NA Mol Wt: 516.7 : 126.9 Mol F: C29H42NO7 : I Inv Status: Custom Synthesis

Chemical Name: (1R,2S)-1-(3,4-Dimethoxybenzyl)-2-(3-((5-hydroxypentyl)oxy)-3-oxopropyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium iodide

Atracurium Impurity E (cis-Quaternary Acid) TFA salt

CAT No: CL-ATCR-03 CAS No: NA Mol Wt: 430.5 : 113.0 Mol F: C24H32NO6 : C2F3O2 Inv Status: Custom Synthesis

Chemical Name: (1R,2R)-2-(2-Carboxyethyl)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium 2,2,2-trifluoroacetate

Atracurium Besylate Impurity D2 Iodide (cis-Quaternary Alcohol)

CAT No: CL-ATCR-04 CAS No: NA Mol Wt: 516.7 : 126.9 Mol F: C29H42NO7 : I Inv Status: Custom Synthesis

Chemical Name: (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 iodide

(R-trans, R'-trans)-Atracurium Trifluoro acetate

CAT No: CL-ATCR-05 CAS No: NA Mol Wt: 929.2 : 2(113.0) Mol F: C53H72N2O12 : 2(C2F3O2) Inv Status: Custom Synthesis

Chemical Name: (1R,1'R,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) 2,2,2-trifluoroacetate

(R-cis, R'-trans)- Atracurium Chloride

CAT No: CL-ATCR-06 CAS No: NA Mol Wt: 929.2 : 2(35.5) Mol F: C53H72N2O12 : 2(Cl) Inv Status: Custom Synthesis

Chemical Name: (1R,2S)-1-(3,4-Dimethoxybenzyl)-2-(3-((5-((3-((1R,2R)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-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 chloride

Atracurium Impurity A1 (trans-Monoquatenary)

CAT No: CL-ATCR-07 CAS No: NA Mol Wt: 914.1 : 113.0 Mol F: C52H69N2O12 : C2F3O2 Inv Status: Custom Synthesis

Chemical Name: (1R,2S)-1-(3,4-Dimethoxybenzyl)-2-(3-((5-((3-((R)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)propanoyl)oxy)pentyl)oxy)-3-oxopropyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium 2,2,2-trifluoroacetate

Atracurium Impurity A2 (cis-Monoquatenary) TFA salt

CAT No: CL-ATCR-08 CAS No: NA Mol Wt: 914.1 : 113.0 Mol F: C52H69N2O12 : C2F3O2 Inv Status: Custom Synthesis

Chemical Name: (1R,2R)-1-(3,4-Dimethoxybenzyl)-2-(3-((5-((3-((R)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)propanoyl)oxy)pentyl)oxy)-3-oxopropyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium 2,2,2-trifluoroacetate

Atracurium Impurity C1 (trans-Monoacrylate) TFA salt

CAT No: CL-ATCR-09 CAS No: NA Mol Wt: 570.7 : 113.0 Mol F: C32H44NO8 : C2F3O2 Inv Status: Custom Synthesis

Chemical Name: (1R,2S)-2-(3-((5-(Acryloyloxy)pentyl)oxy)-3-oxopropyl)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium 2,2,2-trifluoroacetate

Atracurium Besilate Impurity C2 Iodide

CAT No: CL-ATCR-10 CAS No: NA Mol Wt: 570.7 : 126.9 Mol F: C32H44NO8 : I Inv Status: Custom Synthesis

Chemical Name: (2R)-2-(3-((5-(Acryloyloxy)pentyl)oxy)-3-oxopropyl)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium iodide

Atracurium Impurity M [(R-cis, R'-cis)-Atracurium]

CAT No: CL-ATCR-11 CAS No: NA Mol Wt: 943.2 : 2(113.0) Mol F: C54H74N2O12 : 2(C2F3O2) Inv Status: Custom Synthesis

Chemical Name: (1R,1'R,2R,2'R)-2,2'-((Hexane-1,6-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) 2,2,2-trifluoroacetate

Atracurium Besilate EP Impurity K

CAT No: CL-ATCR-12 CAS No: NA Mol Wt: 943.2 : 2(157.2) Mol F: C54H74N2O12 : 2(C6H5O3S) Inv Status: Custom Synthesis

Chemical Name: 2,2??-[(Hexane-1,5)-diylbis(3-oxopropane-1,3-diyl)]]bis[1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolinium] dibenzenesulfonate (as per USP)

Atracurium Impurity C (Mixture Of Diastereomers)

CAT No: CL-ATCR-16 CAS No: NA Mol Wt: 570.7 Mol F: C32H44NO8 Inv Status: Custom Synthesis

Chemical Name: (1R)-2-(3-((5-(acryloyloxy)pentyl)oxy)-3-oxopropyl)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium benzenesulfonate

Atracurium Iodide (Mixture Of Diastereomers)

CAT No: CL-ATCR-19 CAS No: NA Mol Wt: 929.2 : 2(126.9) Mol F: C53H72N2O12 : 2(I) Inv Status: Custom Synthesis

Chemical Name: (1R,2R)-1-(3,4-Dimethoxybenzyl)-2-(3-((5-((3-((1R)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-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

Atracurium Impurity A1 (Trans-Monoquatenary) And A2 (Cis-Monoquatenary) Mixture

CAT No: CL-ATCR-20 CAS No: NA Mol Wt: 914.1 Mol F: C52H69N2O12 Inv Status: Custom Synthesis

Chemical Name: (1S,2R)-1-(3,4-dimethoxybenzyl)-2-(3-((5-((3-((2-((Z)-3,4-dimethoxystyryl)-4,5-dimethoxyphenethyl)amino)propanoyl)oxy)pentyl)oxy)-3-oxopropyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium

(R-Trans, R-Trans)-Atracurium Iodide And (R-Cis, R-Trans)-Atracurium Iodide Mixture

CAT No: CL-ATCR-21 CAS No: NA Mol Wt: 929.2 : 2(126.9) Mol F: C53H72N2O12 : 2(I) Inv Status: Custom Synthesis

Chemical Name: 1-(3,4-Dimethoxybenzyl)-2-(3-((5-((3-((1S,2R)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-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

Atracurium Impurity V (Mixture Of Diastereomers)

CAT No: CL-ATCR-23 CAS No: 1075726-90-7 Mol Wt: 444.5 : 157.17 Mol F: C25H34NO6 : C6H5O3S Inv Status: Custom Synthesis

Chemical Name: (1R)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-(3-methoxy-3-oxopropyl)-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium benzenesulfonate

Atracurium Impurity 2

CAT No: CL-ATCR-25 CAS No: NA Mol Wt: 1001.2 Mol F: C56H76N2O14 Inv Status: Custom Synthesis

Chemical Name: (1S)-1-(3,4-dimethoxybenzyl)-2-(3-(3-((5-((3-((1S)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium-2-yl)propanoyl)oxy)pentyl)oxy)-3-oxopropoxy)-3-oxopropyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium

Atracurium Impurity 4

CAT No: CL-ATCR-27 CAS No: NA Mol Wt: 570.7 Mol F: C32H44NO8 Inv Status: Custom Synthesis

Chemical Name: (1R,2R)-2-(3-((5-(acryloyloxy)pentyl)oxy)-3-oxopropyl)-1-(3,4-dimethoxybenzyl)-5,6-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium

Atracurium Impurity 5

CAT No: CL-ATCR-28 CAS No: NA Mol Wt: 570.7 : 113.0 Mol F: C32H44NO8 : C2F3O2 Inv Status: Custom Synthesis

Chemical Name: (1S,2R)-2-(3-((5-(Acryloyloxy)pentyl)oxy)-3-oxopropyl)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium 2,2,2-trifluoroacetate

Atracurium Impurity 6

CAT No: CL-ATCR-29 CAS No: 96946-50-8 Mol Wt: 929.2 : 157.2 Mol F: C53H72N2O122 : C6H5O3S Inv Status: Custom Synthesis

Chemical Name: (1S,2S)-1-(3,4-dimethoxybenzyl)-2-(3-((5-((3-((1R,2R)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-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 benzenesulfonate

Atracurium Besylate EP Impurity B

CAT No: CL-ATCR-31 CAS No: 64228-84-8 Mol Wt: 899.1 Mol F: C51H66N2O12 Inv Status: Custom Synthesis

Chemical Name: Pentane-1,5-diyl bis[3-[1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl]propanoate] (as per EP & USP)

Atracurium EP impurity G

CAT No: CL-ATCR-32 CAS No: 1699-51-0 Mol Wt: 357.5 Mol F: C21H27NO4 Inv Status: Custom Synthesis

Chemical Name: 1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinoline

(R)-Trans-Atracurium Besylate

CAT No: CL-ATCR-33 CAS No: 96946-46-2 Mol Wt: 929.2 : 2(157.2) Mol F: C53H72N2O12 : 2(C6H5O3S) Inv Status: Custom Synthesis

Chemical Name: (1R,1'R,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) Dibenzenesulfonate

(R)-Cis-5??-Methyl Atracurium Dibesylate

CAT No: CL-ATCR-34 CAS No: 1193104-82-3 Mol Wt: 943.2 : 2(157.2) Mol F: C54H74N2O12 : 2(C6H5O3S) Inv Status: Custom Synthesis

Chemical Name: (1R,1'R,2R,2'R)-2,2'-((Hexane-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) Dibenzenesulfonate

Atracurium Besylate EP Impurity C

CAT No: CL-ATCR-36 CAS No: NA Mol Wt: 570.7 : 114.0 Mol F: C32H44NO8 : C2HF3O2 Inv Status: Custom Synthesis

Chemical Name: 1-(3,4-Dimethoxybenzyl)-2-(3,11-dioxo-4,10-dioxatridec-12-enyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolinium 2,2,2-trifluoroacetate (as per EP & USP)

Atracurium cis-Quaternary methyl ester (Besylate)

CAT No: CL-ATCR-38 CAS No: 1075726-88-3 Mol Wt: 444.5 : 157.2 Mol F: C25H34NO6 : C6H5O3S Inv Status: Custom Synthesis

Chemical Name: (1R)-1-(3,4-Dimethoxybenzyl)-6,7-dimethoxy-2-(3-methoxy-3-oxopropyl)-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium besylate Synonym: Cisatracurium EP Impurity D (Besylate)

(R-cis, R'-trans)-Atracurium

CAT No: CL-ATCR-39 CAS No: 96946-43-9 Mol Wt: 929.2 Mol F: C53H72N2O12 Inv Status: Custom Synthesis

Chemical Name: (1R,2S)-1-(3,4-Dimethoxybenzyl)-2-(3-((5-((3-((1R,2R)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-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

Atracurium Impurity 13

CAT No: CL-ATCR-40 CAS No: 24698-43-9 Mol Wt: 214.28 Mol F: C10H14O3S Inv Status: Custom Synthesis

Chemical Name: Isobutyl benzenesulfonate

Atracurium Impurity 14

CAT No: CL-ATCR-41 CAS No: 91950-41-3 Mol Wt: 214.28 Mol F: C10H14O3S Inv Status: Custom Synthesis

Chemical Name: tert-Butyl Benzenesulfonate

Atracurium Impurity 15

CAT No: CL-ATCR-42 CAS No: 86682-55-5 Mol Wt: 359.4 Mol F: C20H25NO5 Inv Status: Custom Synthesis

Chemical Name: (6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinolin-1-yl)(3,4-dimethoxyphenyl)methanol

Atracurium EP Impurity A

CAT No: CL-ATCR-43 CAS No: NA Mol Wt: 914.1 Mol F: C52H69N2O12 Inv Status: Custom Synthesis

Chemical Name: 1-(3,4-Dimethoxybenzyl)-2-(3-((5-((3-(1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)propanoyl)oxy)pentyl)oxy)-3-oxopropyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium

Atracurium Impurity 8 (Trans-Quaternary Alcohol)

CAT No: CL-ATCR-44 CAS No: NA Mol Wt: 516.7 : 35.5 Mol F: C29H42NO7 : Cl Inv Status: Custom Synthesis

Chemical Name: (1R,2S)-1-(3,4-Dimethoxybenzyl)-2-(3-((5-hydroxypentyl)oxy)-3-oxopropyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium chloride

Atracurium Impurity 8 (cis-Quaternary Alcohol)

CAT No: CL-ATCR-45 CAS No: NA Mol Wt: 516.7 : 113.0 Mol F: C29H42NO7 : C2F3O2 Inv Status: Custom Synthesis

Chemical Name: (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

Atracurium EP Impurity J

CAT No: CL-ATCR-46 CAS No: 80-18-2 Mol Wt: 172.2 Mol F: C7H8O3S Inv Status: In Stock

Chemical Name: Methyl benzenesulfonate

Type:Impurity Reference Standard

API NAME:Atracurium

Total Products: 35

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