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Trans- Quaternary acid

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Chemical Name: (1R,2S)-2-(2-carboxyethyl)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolin-2-ium 2,2,2-trifluoroacetate
Synonym: Levetiracetam Carboxylic Acid
CAT No: VS-A097039
CAS No: N/A
Mol.F. C24H32NO6 : C2F3O2-
Mol.Wt.: 430.5 : 113.0
Status: Custom Synthesis


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Atracurium

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CAT No: VS-A097000
CAS No: 64228-81-5
Mol.F.: C53H72N2O122 : C12H10O6S22
Mol.Wt.: 929.2 314.3
Status: Custom Synthesis

Atracurium EP Impurity A

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CAT No: VS-A097001
CAS No: N/A
Mol.F.: C52H69N2O12 : C6H5O3S
Mol.Wt.: 914.1 : 157.2
Status: Custom Synthesis

Atracurium Besylate EP Impurity B

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CAT No: VS-A097002
CAS No: 64228-84-8
Mol.F.: C51H66N2O12 
Mol.Wt.: 899.1
Status: Custom Synthesis

Atracurium Oxalate EP Impurity B

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CAT No: VS-A097003
CAS No: 96687-52-4
Mol.F.: C51H66N2O12 : 2C2H2O4
Mol.Wt.: 899.1 : 2(90.0)
Status: Custom Synthesis

Atracurium Besylate EP Impurity C

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CAT No: VS-A097004
CAS No: N/A
Mol.F.: C32H44NO8 : C2HF3O2
Mol.Wt.: 570.7 : 114.0
Status: Custom Synthesis

Atracurium Besylate EP Impurity D

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CAT No: VS-A097005
CAS No: N/A
Mol.F.: C29H42NO7 : C2F3O2
Mol.Wt.: 516.4 : 113.0
Status: Custom Synthesis

Cisatracurium EP Impurity D

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CAT No: VS-A097006
CAS No: N/A
Mol.F.: C25H34NO6 : Cl
Mol.Wt.: 444.5 : 35.5
Status: Custom Synthesis

Atracurium EP Impurity E

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CAT No: VS-A097007
CAS No: 87046-73-9
Mol.F.: C24H32NO6
Mol.Wt.: 430.5
Status: Custom Synthesis

Atracurium EP Impurity F

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CAT No: VS-A097008
CAS No: 34866-20-1
Mol.F.: C22H30NO4
Mol.Wt.: 372.5
Status: Custom Synthesis

Atracurium EP Impurity G

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CAT No: VS-A097009
CAS No: 1699-51-0
Mol.F.: C21H27NO4 
Mol.Wt.: 357.5
Status: Custom Synthesis

Atracurium EP Impurity H

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CAT No: VS-A097010
CAS No: N/A
Mol.F.: C54H74N2O12
Mol.Wt.: 943.2
Status: Custom Synthesis

Atracurium EP Impurity I

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CAT No: VS-A097011
CAS No: N/A
Mol.F.: C54H74N2O12
Mol.Wt.: 943.2
Status: Custom Synthesis

Atracurium EP Impurity J

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CAT No: VS-A097012
CAS No: 80-18-2
Mol.F.: C7H8O3S
Mol.Wt.: 172.2
Status: Custom Synthesis

Cis-Atracurium Trifluoroacetate

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CAT No: VS-A097013
CAS No: N/A
Mol.F.: C53H72N2O12 : 2(C2F3O2)
Mol.Wt.: 929.2 : 2(113.0)
Status: Custom Synthesis

Atracurium Besylate Impurity D1 Iodide

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CAT No: VS-A097014
CAS No: N/A
Mol.F.: C29H42NO7. I
Mol.Wt.: 516.7 126.9
Status: Custom Synthesis

Atracurium Impurity C (Mixture of Diastereomers)

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CAT No: VS-A097015
CAS No: N/A
Mol.F.: C32H44NO8 : C6H5O3S-
Mol.Wt.: 570.7 : 157.2
Status: Custom Synthesis

Atracurium Impurity E (cis-Quaternary Acid)

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CAT No: VS-A097016
CAS No: N/A
Mol.F.: C24H32NO6 : C2F3O2
Mol.Wt.: 430.5 : 113.0
Status: Custom Synthesis

Atracurium Besylate Impurity D2 Iodide (cis-Quaternary Alcohol)

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CAT No: VS-A097017
CAS No: N/A
Mol.F.: C29H42NO7. I
Mol.Wt.: 516.7 126.9
Status: Custom Synthesis

Atracurium Impurity G (R-Laudanosine)

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CAT No: VS-A097018
CAS No: 85-63-2
Mol.F.: C21H27NO4 
Mol.Wt.:  357.5
Status: Custom Synthesis

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

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CAT No: VS-A097019
CAS No: N/A
Mol.F.: C53H72N2O12 : 2(C2F3O2)
Mol.Wt.: 929.2 : 2(113.0)
Status: Custom Synthesis

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

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CAT No: VS-A097020
CAS No: N/A
Mol.F.: C53H72N2O12 : 2(Cl)
Mol.Wt.: 929.2 : 2(35.5)
Status: Custom Synthesis

Atracurium Impurity A1 (trans-Monoquatenary)

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CAT No: VS-A097021
CAS No: N/A
Mol.F.: C52H69N2O12 : C2F3O2
Mol.Wt.: 914.1 : 113.0
Status: Custom Synthesis

Atracurium Impurity A2 (cis-Monoquatenary)

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CAT No: VS-A097022
CAS No: N/A
Mol.F.: C52H69N2O12 : C2F3O2
Mol.Wt.: 914.1 : 113.0
Status: Custom Synthesis

Atracurium Impurity C1 (trans-Monoacrylate)

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CAT No: VS-A097023
CAS No: N/A
Mol.F.: C32H44NO8 : C2F3O2
Mol.Wt.: 570.7 : 113.0
Status: Custom Synthesis

Atracurium Besilate Impurity C2 Iodide

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CAT No: VS-A097024
CAS No: N/A
Mol.F.: C32H44NO8 : I
Mol.Wt.: 570.7 : 126.90
Status: Custom Synthesis

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

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CAT No: VS-A097025
CAS No: N/A
Mol.F.: C54H74N2O12 : 2(C2F3O2)
Mol.Wt.: 943.2 : 2(113.0)
Status: Custom Synthesis

Cisatracurium EP Impurity K

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CAT No: VS-A097026
CAS No: N/A
Mol.F.: C54H74N2O12 : 2(C2F3O2)
Mol.Wt.: 943.2 : 2(113.0)
Status: Custom Synthesis

Atracurium Impurity K (Mixture of cis, trans, cis, cis(K1 & K2), tans, trans Isomer)

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CAT No: VS-A097027
CAS No: N/A
Mol.F.: C54H74N2O12 2xC6H5O3S
Mol.Wt.: 943.2 2x157.2
Status: Custom Synthesis

Atracurium Besylate Impurity D Iodide (Mixture of Diastereomers)

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CAT No: VS-A097028
CAS No: N/A
Mol.F.: C29H42NO7 : I
Mol.Wt.: 516.7 : 126.9
Status: Custom Synthesis

Atracurium Besilate Impurity C1 and C2 Iodide

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CAT No: VS-A097029
CAS No: N/A
Mol.F.: C32H44NO8 : I
Mol.Wt.: 570.7 : 126.9
Status: Custom Synthesis

Atracurium Iodide (Mixture of Diastereomers)

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CAT No: VS-A097030
CAS No: N/A
Mol.F.: C53H72N2O12. 2(I)
Mol.Wt.: 929.2 : 2(126.9)
Status: Custom Synthesis

Atracurium Impurity A1 (trans-Monoquatenary) and A2 (cis-Monoquatenary) Mixture

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CAT No: VS-A097031
CAS No: N/A
Mol.F.: C52H69N2O12 : I
Mol.Wt.: 914.1 : 126.9
Status: Custom Synthesis

(R-trans, R-trans)-Atracurium Besylate and (R-cis, R-trans)-Atracurium Besylate Mixture

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CAT No: VS-A097032
CAS No: N/A
Mol.F.: C53H72N2O12 : 2(I)
Mol.Wt.: 929.2 : 2(126.9)
Status: Custom Synthesis

Atracurium Besilate Impurity C1 and C2 Iodide Mixture

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CAT No: VS-A097033
CAS No: N/A
Mol.F.: C32H44NO8 : I 
Mol.Wt.: 570.71 : 126.9
Status: Custom Synthesis

Atracurium Impurity V (Mixture of Diastereomers)

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CAT No: VS-A097034
CAS No: 1075726-90-7
Mol.F.: C25H34NO6 : C6H5O3S
Mol.Wt.: 444.5 : 157.2
Status: Custom Synthesis

(R)-trans-Atracurium Besylate

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CAT No: VS-A097035
CAS No: 96946-46-2
Mol.F.: C53H72N2O12 : 2(C6H5O3S)
Mol.Wt.: 929.2 : 2(157.2)
Status: Custom Synthesis

(R)-cis-5ξ-Methyl Atracurium Dibesylate

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CAT No: VS-A097036
CAS No: N/A
Mol.F.: C54H74N2O12 : 2(C6H5O3S)
Mol.Wt.: 943.2 : 2(157.2)
Status: Custom Synthesis

N-Desmethyl-transatracurium Besylate

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CAT No: VS-A097037
CAS No: N/A
Mol.F.: C52H69N2O12 : C6H5O3S-
Mol.Wt.: 914.1 : 157.2
Status: Custom Synthesis

Trans- Quaternary methyl ester

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CAT No: VS-A097038
CAS No: N/A
Mol.F.: C25H34NO6 : C2F3O2
Mol.Wt.: 444.6 : 113.0
Status: Custom Synthesis

Trans- Quaternary acid

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CAT No: VS-A097039
CAS No: N/A
Mol.F.: C24H32NO6 : C2F3O2-
Mol.Wt.: 430.5 : 113.0
Status: Custom Synthesis

Cis- Trans Quaternary acid

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CAT No: VS-A097040
CAS No: N/A
Mol.F.: C24H32NO6 : C2F3O2-
Mol.Wt.: 430.5 : 113.0
Status: Custom Synthesis

Atracurium cis-Quaternary methyl ester

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CAT No: VS-A097041
CAS No: 1075726-88-3
Mol.F.: C25H34NO6 : C6H5O3S
Mol.Wt.: 444.5 : 157.2
Status: Custom Synthesis

R-cis-R'-trans-Atracurium

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CAT No: VS-A097042
CAS No: N/A
Mol.F.: C53H72N2O12
Mol.Wt.: 929.2
Status: Custom Synthesis

Atracurium cis-Quaternary Acid

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CAT No: VS-A097043
CAS No: 1075727-06-8
Mol.F.: C24H32NO6 : C6H5O3S
Mol.Wt.: 430.5 : 157.2
Status: Custom Synthesis

Bisacrylate

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CAT No: VS-A097044
CAS No: 36840-85-4
Mol.F.: C11H16O4
Mol.Wt.: 212.2
Status: Custom Synthesis

Atracurium Impurity 1

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CAT No: VS-A097045
CAS No: 41431-32-7
Mol.F.: C22H30NO4 : I
Mol.Wt.: 372.5 : 126.9
Status: Custom Synthesis

Atracurium Impurity 2

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CAT No: VS-A097046
CAS No: N/A
Mol.F.: C56H76N2O14 : 2I
Mol.Wt.: 1001.2 : 2(126.9)
Status: Custom Synthesis

Atracurium Impurity 3 (Cisatracurium-20-Methyl)

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CAT No: VS-A097047
CAS No: N/A
Mol.F.: C54H74N2O122 : 2(C2F3O2)
Mol.Wt.: 943.2 : 2(113.0)
Status: Custom Synthesis

Atracurium Impurity 4

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CAT No: VS-A097048
CAS No: N/A
Mol.F.: C32H44NO8 : C6H5O3S
Mol.Wt.: 570.7 : 157.2
Status: Custom Synthesis

Atracurium Impurity 5

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CAT No: VS-A097049
CAS No: 876290-45-8
Mol.F.: C20H25NO4 : C11H13NO3
Mol.Wt.: 343.4 : 207.2
Status: Custom Synthesis

Atracurium Impurity 7 (R-Tetrahydropapaverine)

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CAT No: VS-A097050
CAS No: 50896-90-7
Mol.F.: C20H25NO4 
Mol.Wt.: 343.4
Status: Custom Synthesis

Atracurium Impurity 8 (Trans-Quaternary Alcohol)

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CAT No: VS-A097051
CAS No: N/A
Mol.F.: C29H42NO7 : Cl
Mol.Wt.: 516.7 : 35.5
Status: Custom Synthesis

Atracurium Impurity 8 (cis-Quaternary Alcohol)

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CAT No: VS-A097052
CAS No: N/A
Mol.F.: C29H42NO7 : Cl
Mol.Wt.: 516.7 : 35.5
Status: Custom Synthesis

Atracurium Impurity 13

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CAT No: VS-A097053
CAS No: 24698-43-9
Mol.F.: C10H14O3S
Mol.Wt.: 214.3
Status: In Stock

Atracurium Impurity 14

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CAT No: VS-A097054
CAS No: 91950-41-3
Mol.F.: C10H14O3S
Mol.Wt.: 214.3
Status: In Stock

Atracurium Impurity 15

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CAT No: VS-A097055
CAS No: 86682-55-5
Mol.F.: C20H25NO5
Mol.Wt.: 359.4
Status: Custom Synthesis

Atracurium EP impurity E

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CAT No: VS-A097056
CAS No: 99469-29-1
Mol.F.: C24H32NO6
Mol.Wt.: 430.5
Status: Custom Synthesis

Atracurium Impurity 16

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CAT No: VS-A097057
CAS No: 2409475-49-4
Mol.F.: C23H29NO6
Mol.Wt.: 415.48
Status: Custom Synthesis
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