Atracurium Related Products 
Venkatasai is a leading innovator in the field of pharmaceutical reference standards, offering high-quality Reference Standards of Abacavir, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope-labeled compounds, and nitrosamines (N-NO products). Our Abacavir impurity reference standards play a vital role in pharmaceutical research, supporting product development, ANDA and DMF filings, quality control (QC), method validation, and stability studies. They are also instrumental in identifying unknown impurities and evaluating genotoxic potential. All Abacavir-related products are thoroughly characterized and supplied with comprehensive Certificates of Analysis (COA) and analytical data that comply with regulatory standards. EP/USP traceable standards can also be provided upon request. Furthermore, all supplied products undergo periodic re-testing to ensure continued quality and reliability.
(R)-cis-5ξ-Methyl Atracurium Dibesylate
CAT No: VS-A097036
CAS No: N/A
Mol.F.: C54H74N2O12 : 2(C6H5O3S)
Mol.Wt.: 943.2 : 2(157.2)
Status: Custom Synthesis
(R)-Laudanosine
CAT No: VS-A097018
CAS No: 85-63-2
Mol.F.: C21H27NO4
Mol.Wt.: 357.5
Status: Out of Stock
(R)-N-Methyl laudanosine (Besilate Salt)
CAT No: VS-A097058
CAS No: 2480467-84-1
Mol.F.: C28H35NO7S
Mol.Wt.: 529.65
Status: Out of Stock
(R)-trans-Atracurium Besylate
CAT No: VS-A097035
CAS No: 96946-46-2
Mol.F.: C53H72N2O12 : 2(C6H5O3S)
Mol.Wt.: 929.2 : 2(157.2)
Status: Out of Stock
(R-cis, R'-trans)-Chloride Atracurium
CAT No: VS-A097020
CAS No: N/A
Mol.F.: C53H72N2O12 : 2(Cl)
Mol.Wt.: 929.2 : 2(35.5)
Status: Custom Synthesis
(R-trans, R'-trans)-Atracurium
CAT No: VS-A097019
CAS No: N/A
Mol.F.: C53H72N2O12 : 2(C2F3O2)
Mol.Wt.: 929.2 : 2(113.0)
Status: Custom Synthesis
(R-trans, R-trans)-Atracurium Besylate and (R-cis, R-trans)-Atracurium Besylate Mixture
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
CAT No: VS-A097000
CAS No: 64228-81-5
Mol.F.: C53H72N2O122 : C12H10O6S22
Mol.Wt.: 929.2 : 314.3
Status: Custom Synthesis
Atracurium Besilate Impurity C1 and C2 Iodide
CAT No: VS-A097029
CAS No: N/A
Mol.F.: C32H44NO8 : I
Mol.Wt.: 570.7 : 126.9
Status: Custom Synthesis
Atracurium Besilate Impurity C2 Iodide
CAT No: VS-A097024
CAS No: N/A
Mol.F.: C32H44NO8 : I
Mol.Wt.: 570.7 : 126.90
Status: Custom Synthesis
Atracurium Besylate EP Impurity B
CAT No: VS-A097002
CAS No: 64228-84-8
Mol.F.: C51H66N2O12
Mol.Wt.: 899.1
Status: Custom Synthesis
Atracurium Besylate EP Impurity C
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
CAT No: VS-A097005
CAS No: N/A
Mol.F.: C29H42NO7 : C2F3O2
Mol.Wt.: 516.4 : 113.0
Status: Custom Synthesis
Atracurium Besylate Impurity D Iodide (Mixture of Diastereomers)
CAT No: VS-A097028
CAS No: N/A
Mol.F.: C29H42NO7 : I
Mol.Wt.: 516.7 : 126.9
Status: Custom Synthesis
Atracurium Besylate Impurity D1 Iodide
CAT No: VS-A097014
CAS No: N/A
Mol.F.: C29H42NO7. I
Mol.Wt.: 516.7 126.9
Status: Custom Synthesis
Atracurium Besylate Impurity D2 Iodide (cis-Quaternary Alcohol)
CAT No: VS-A097017
CAS No: N/A
Mol.F.: C29H42NO7. I
Mol.Wt.: 516.7 126.9
Status: Custom Synthesis
Atracurium cis-Quaternary Acid
CAT No: VS-A097043
CAS No: 1075727-06-8
Mol.F.: C24H32NO6 : C6H5O3S
Mol.Wt.: 430.5 : 157.2
Status: Out of Stock
Atracurium cis-Quaternary methyl ester
CAT No: VS-A097041
CAS No: 1075726-88-3
Mol.F.: C25H34NO6 : C6H5O3S
Mol.Wt.: 444.5 : 157.2
Status: Out of Stock
Atracurium EP Impurity A
CAT No: VS-A097001
CAS No: N/A
Mol.F.: C52H69N2O12 : C6H5O3S
Mol.Wt.: 914.1 : 157.2
Status: Custom Synthesis
Atracurium EP impurity E
CAT No: VS-A097056
CAS No: 99469-29-1
Mol.F.: C24H32NO6
Mol.Wt.: 430.5
Status: In Stock
Atracurium EP Impurity E (Dihydrate)
CAT No: VS-A097007
CAS No: NA
Mol.F.: C24H32NO6
Mol.Wt.: 430.5
Status: Custom Synthesis
Atracurium EP Impurity F
CAT No: VS-A097008
CAS No: 34866-20-1
Mol.F.: C22H30NO4
Mol.Wt.: 372.5
Status: Custom Synthesis
Atracurium EP Impurity G
CAT No: VS-A097009
CAS No: 1699-51-0
Mol.F.: C21H27NO4
Mol.Wt.: 357.5
Status: Custom Synthesis
Atracurium EP Impurity H
CAT No: VS-A097010
CAS No: N/A
Mol.F.: C54H74N2O12
Mol.Wt.: 943.2
Status: Custom Synthesis
Atracurium EP Impurity I
CAT No: VS-A097011
CAS No: N/A
Mol.F.: C54H74N2O12 : 2(C6H5O3S)
Mol.Wt.: 943.2 : 2(157.2)
Status: Custom Synthesis
Atracurium EP Impurity J
CAT No: VS-A097012
CAS No: 80-18-2
Mol.F.: C7H8O3S
Mol.Wt.: 172.2
Status: Custom Synthesis
Atracurium Impurity 1
CAT No: VS-A097045
CAS No: 41431-32-7
Mol.F.: C22H30NO4 : I
Mol.Wt.: 372.5 : 126.9
Status: Custom Synthesis
Atracurium Impurity 13
CAT No: VS-A097053
CAS No: 24698-43-9
Mol.F.: C10H14O3S
Mol.Wt.: 214.3
Status: In Stock
Atracurium Impurity 14
CAT No: VS-A097054
CAS No: 91950-41-3
Mol.F.: C10H14O3S
Mol.Wt.: 214.3
Status: In Stock
Atracurium Impurity 15
CAT No: VS-A097055
CAS No: 86682-55-5
Mol.F.: C20H25NO5
Mol.Wt.: 359.4
Status: Custom Synthesis
Atracurium Impurity 16
CAT No: VS-A097057
CAS No: 2409475-49-4
Mol.F.: C23H29NO6
Mol.Wt.: 415.48
Status: Custom Synthesis
Atracurium Impurity 2
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)
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
CAT No: VS-A097048
CAS No: N/A
Mol.F.: C32H44NO8 : C6H5O3S
Mol.Wt.: 570.7 : 157.2
Status: Custom Synthesis
Atracurium Impurity 5
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)
CAT No: VS-A097050
CAS No: 50896-90-7
Mol.F.: C20H25NO4
Mol.Wt.: 343.4
Status: Custom Synthesis
Atracurium Impurity 8 (cis-Quaternary Alcohol)
CAT No: VS-A097052
CAS No: N/A
Mol.F.: C29H42NO7 : Cl
Mol.Wt.: 516.7 : 35.5
Status: Custom Synthesis
Atracurium Impurity 8 (Trans-Quaternary Alcohol)
CAT No: VS-A097051
CAS No: N/A
Mol.F.: C29H42NO7 : Cl
Mol.Wt.: 516.7 : 35.5
Status: Custom Synthesis
Atracurium Impurity A1 (trans-Monoquatenary)
CAT No: VS-A097021
CAS No: N/A
Mol.F.: C52H69N2O12 : C2F3O2
Mol.Wt.: 914.1 : 113.0
Status: Custom Synthesis
Atracurium Impurity A1 (trans-Monoquatenary) and A2 (cis-Monoquatenary) Mixture
CAT No: VS-A097031
CAS No: N/A
Mol.F.: C52H69N2O12 : I
Mol.Wt.: 914.1 : 126.9
Status: Custom Synthesis
Atracurium Impurity A2 (cis-Monoquatenary)
CAT No: VS-A097022
CAS No: N/A
Mol.F.: C52H69N2O12 : C2F3O2
Mol.Wt.: 914.1 : 113.0
Status: Custom Synthesis
Atracurium Impurity C (Mixture of Diastereomers)
CAT No: VS-A097015
CAS No: N/A
Mol.F.: C32H44NO8 : C6H5O3S-
Mol.Wt.: 570.7 : 157.2
Status: Custom Synthesis
Atracurium Impurity C1 (trans-Monoacrylate)
CAT No: VS-A097023
CAS No: N/A
Mol.F.: C32H44NO8 : C2F3O2
Mol.Wt.: 570.7 : 113.0
Status: Custom Synthesis
Atracurium Impurity E (cis-Quaternary Acid)
CAT No: VS-A097016
CAS No: N/A
Mol.F.: C24H32NO6 : C2F3O2
Mol.Wt.: 430.5 : 113.0
Status: Custom Synthesis
Atracurium Impurity K (Mixture of cis, trans, cis, cis(K1 & K2), tans, trans Isomer)
CAT No: VS-A097027
CAS No: N/A
Mol.F.: C54H74N2O12 : 2(C6H5O3S)
Mol.Wt.: 943.2 : 2(157.2)
Status: Custom Synthesis
Atracurium Impurity M (R-cis, R'-cis)-Atracurium
CAT No: VS-A097025
CAS No: N/A
Mol.F.: C54H74N2O12 : 2(C2F3O2)
Mol.Wt.: 943.2 : 2(113.0)
Status: Custom Synthesis
Atracurium Impurity V (Mixture of Diastereomers)
CAT No: VS-A097034
CAS No: 1075726-90-7
Mol.F.: C25H34NO6 : C6H5O3S
Mol.Wt.: 444.5 : 157.2
Status: Custom Synthesis
Atracurium Iodide (Mixture of Diastereomers)
CAT No: VS-A097030
CAS No: N/A
Mol.F.: C53H72N2O12. 2(I)
Mol.Wt.: 929.2 : 2(126.9)
Status: Custom Synthesis
Atracurium Oxalate EP Impurity B
CAT No: VS-A097003
CAS No: 96687-52-4
Mol.F.: C51H66N2O12 : 2C2H2O4
Mol.Wt.: 899.1 : 2(90.0)
Status: Custom Synthesis
Cis- Trans Quaternary acid
CAT No: VS-A097040
CAS No: N/A
Mol.F.: C24H32NO6 : C2F3O2-
Mol.Wt.: 430.5 : 113.0
Status: Custom Synthesis
Cisatracurium EP Impurity D
CAT No: VS-A097006
CAS No: N/A
Mol.F.: C25H34NO6 : Cl
Mol.Wt.: 444.5 : 35.5
Status: Custom Synthesis
Cisatracurium EP Impurity K
CAT No: VS-A097026
CAS No: N/A
Mol.F.: C54H74N2O12 : 2(C2F3O2)
Mol.Wt.: 943.2 : 2(113.0)
Status: Custom Synthesis
Cis-Atracurium Trifluoroacetate
CAT No: VS-A097013
CAS No: N/A
Mol.F.: C53H72N2O12 : 2(C2F3O2)
Mol.Wt.: 929.2 : 2(113.0)
Status: Custom Synthesis
N-Desmethyl-transatracurium Besylate
CAT No: VS-A097037
CAS No: N/A
Mol.F.: C52H69N2O12 : C6H5O3S-
Mol.Wt.: 914.1 : 157.2
Status: Custom Synthesis
R-cis-R'-trans-Atracurium
CAT No: VS-A097042
CAS No: N/A
Mol.F.: C53H72N2O12
Mol.Wt.: 929.2
Status: Custom Synthesis
Trans- Quaternary acid
CAT No: VS-A097039
CAS No: N/A
Mol.F.: C24H32NO6 : C2F3O2-
Mol.Wt.: 430.5 : 113.0
Status: Custom Synthesis
Trans- Quaternary methyl ester
CAT No: VS-A097038
CAS No: N/A
Mol.F.: C25H34NO6 : C2F3O2
Mol.Wt.: 444.6 : 113.0
Status: Custom Synthesis
