Cisatracurium EP Impurity B

SZ CAT No:	SZ-C130029
CAS No	732929-47-4
Mol.F.	C22H30NO4
Mol.Wt.	372.5
Inv. Status	Custom Synthesis
Rel. CAS No	41431-32-7 (Iodide) ; 2480467-84-1 (besilate salt)

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Chemical Name: (1R)-1-[(3,4-Dimethoxyphenyl)methyl]-6,7-dimethoxy-2,2-dimethyl-1,2,3,4-tetrahydroisoquinolinium (as per EP); (R)-1,2,3,4-Tetrahydro-6,7-dimethoxy-2,2-dimethyl-1-veratrylisoquinolinium (as per USP)

Synonym: (R)-N-Methyllaudanosine

Shipping Temperature: Ambient

HSN Code: 38229010

Country of Origin: India

Smiles: C[N+]1(C)[C@H](CC2=CC=C(OC)C(OC)=C2)C3=C(C=C(OC)C(OC)=C3)CC1

Cisatracurium EP Impurity B is chemically (1R)-1-[(3,4-Dimethoxyphenyl)methyl]-6,7-dimethoxy-2,2-dimethyl-1,2,3,4-tetrahydroisoquinolinium (as per EP); (R)-1,2,3,4-Tetrahydro-6,7-dimethoxy-2,2-dimethyl-1-veratrylisoquinolinium (as per USP). It is also known as (R)-N-Methyllaudanosine. Cisatracurium EP Impurity B is supplied with detailed characterization data compliant with regulatory guideline. Cisatracurium EP Impurity B can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Cisatracurium.

The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. SynZeal products are for analytical purpose only and not for human use.

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Cisatracurium

SZ CAT No:	: SZ-C130027
CAS No	: 96946-41-7
Mol.F.	: C53H72N2O12
Mol.Wt.	: 929.2
Inv. Status	: Custom Synthesis
Rel. CAS No	: 96946-42-8 (Besylate salt)
Rel. CAT No	: SZ-C130001 , SZ-C130026 , SZ-A021002 ,

Cisatracurium Besylate EP Impurity G

SZ CAT No:	: SZ-C130042
CAS No	: 96946-46-2
Mol.F.	: C53H72N2O12 : 2(C6H5O3S)
Mol.Wt.	: 929.2 : 2(157.2)
Inv. Status	: Custom Synthesis
Rel. CAS No	: 96946-45-1 (free base)
Rel. CAT No	: SZ-A021007 , SZ-A021033 , SZ-A021069 , SZ-C130008 , SZ-C130043 ,

Cisatracurium Besylate EP Impurity R

SZ CAT No:	: SZ-C130040
CAS No	: 1253910-09-6
Mol.F.	: C51H66N2O12 : 2(C6H6O3S)
Mol.Wt.	: 899.1 : 2(158.2)
Inv. Status	: Custom Synthesis
Rel. CAS No	: 64228-84-8 (free base) ; 96687-52-4 (Oxalate salt)
Rel. CAT No	: SZ-A021053 , SZ-C130018 ,

Cisatracurium Impurity 4

SZ CAT No:	: SZ-C130041
CAS No	: NA
Mol.F.	: C32H44NO8 : C2F3O2
Mol.Wt.	: 570.7 : 113.0
Inv. Status	: In Stock
Rel. CAS No	: 119403-01-9 (free base) ; 155913-31-8 (besylate salt)
Rel. CAT No	: SZ-A021018 , SZ-A021078 ,

Cisatracurium EP Impurity A Iodide

SZ CAT No:	: SZ-C130002
CAS No	: 1075727-07-9
Mol.F.	: C24H32NO6 : I
Mol.Wt.	: 430.5 : 126.9
Inv. Status	: Custom Synthesis
Rel. CAS No	: 1075727-04-6 (free base) ; 1075727-06-8 (besylate salt)
Rel. CAT No	: SZ-C130028 , SZ-A021004 , SZ-A021060 ,

Cisatracurium EP Impurity B Iodide

SZ CAT No:	: SZ-C130003
CAS No	: 41431-32-7
Mol.F.	: C22H30NO4 : I
Mol.Wt.	: 372.5 : 126.9
Inv. Status	: In Stock
Rel. CAS No	: 732929-47-4 (free base) ; 2480467-84-1 (besilate salt)
Rel. CAT No	: SZ-C130029 , SZ-A021024 ,

Cisatracurium EP Impurity D

SZ CAT No:	: SZ-C130030
CAS No	: 1075726-87-2
Mol.F.	: C25H34NO6
Mol.Wt.	: 444.5
Inv. Status	: Custom Synthesis
Rel. CAS No	: 1075726-91-8 (Iodide salt) ; 1075726-88-3 (besylate salt)
Rel. CAT No	: SZ-A021038 , SZ-A021049 , SZ-A021090 , SZ-C130005 , SZ-C130031 ,

Cisatracurium EP Impurity D Chloride

SZ CAT No:	: SZ-C130005
CAS No	: NA
Mol.F.	: C25H34NO6 : Cl
Mol.Wt.	: 444.5 : 35.5
Inv. Status	: Out of Stock
Rel. CAS No	: 1075726-87-2 (free base) ; 1075726-91-8 (Iodide salt) ; 1075726-88-3 (besylate salt)
Rel. CAT No	: SZ-A021038 , SZ-A021049 , SZ-A021090 , SZ-C130030 , SZ-C130031 ,

Cisatracurium EP Impurity D Iodide

SZ CAT No:	: SZ-C130031
CAS No	: 1075726-91-8
Mol.F.	: C25H34NO6 : I
Mol.Wt.	: 445.5 : 126.9
Inv. Status	: Custom Synthesis
Rel. CAS No	: 1075726-87-2 (free base) ; 1075726-88-3 (besylate salt)
Rel. CAT No	: SZ-A021038 , SZ-A021049 , SZ-A021090 , SZ-C130005 , SZ-C130030 ,

Cisatracurium EP Impurity G (TFA salt)

SZ CAT No:	: SZ-C130008
CAS No	: NA
Mol.F.	: C53H72N2O12 : 2(C2F3O2)
Mol.Wt.	: 929.2 : 2(113.0)
Inv. Status	: Limited Stock
Rel. CAS No	: 96946-45-1 (free base) ; 96946-46-2 (besylate salt)
Rel. CAT No	: SZ-A021007 , SZ-A021033 , SZ-A021069 , SZ-C130042 , SZ-C130043 ,

Cisatracurium EP Impurity H

SZ CAT No:	: SZ-C130032
CAS No	: 96946-43-9
Mol.F.	: C53H72N2O12
Mol.Wt.	: 929.2
Inv. Status	: Custom Synthesis
Rel. CAS No	: 96946-44-0 (besylate salt)
Rel. CAT No	: SZ-A021008 , SZ-A021050 , SZ-C130009 ,

Cisatracurium EP Impurity L

SZ CAT No:	: SZ-C130035
CAS No	: NA
Mol.F.	: C56H76N2O14
Mol.Wt.	: 1001.2
Inv. Status	: Custom Synthesis
Rel. CAT No	: SZ-C130012 ,

Cisatracurium EP Impurity M

SZ CAT No:	: SZ-C130036
CAS No	: 1193104-84-5
Mol.F.	: C54H74N2O12
Mol.Wt.	: 943.2
Inv. Status	: Custom Synthesis
Rel. CAS No	: 1193104-85-6 (Besylate salt)
Rel. CAT No	: SZ-C130013 , SZ-A021013 , SZ-A021074 ,

Cisatracurium EP Impurity N (TFA salt)

SZ CAT No:	: SZ-C130037
CAS No	: NA
Mol.F.	: C32H44NO8 : C2HF3O2
Mol.Wt.	: 570.7 : 114.0
Inv. Status	: In Stock
Rel. CAT No	: SZ-C130014 , SZ-A021011 , SZ-A021072 ,

Cisatracurium EP Impurity O (TFA salt)

SZ CAT No:	: SZ-C130015
CAS No	: NA
Mol.F.	: C32H44NO8 : C2F3O2
Mol.Wt.	: 570.7 : 113.0
Inv. Status	: In Stock
Rel. CAS No	: 2803857-41-0 (free base)
Rel. CAT No	: SZ-C130044 ,

Cisatracurium EP Impurity P

SZ CAT No:	: SZ-C130038
CAS No	: 2024603-91-4
Mol.F.	: C52H69N2O12
Mol.Wt.	: 914.1
Inv. Status	: Custom Synthesis
Rel. CAS No	: 2024603-92-5 (besylate salt)
Rel. CAT No	: SZ-A021009 , SZ-A021035 , SZ-A021070 , SZ-C130016 ,

Cisatracurium EP Impurity R

SZ CAT No:	: SZ-C130018
CAS No	: 64228-84-8
Mol.F.	: C51H66N2O12
Mol.Wt.	: 899.1
Inv. Status	: In Stock
Rel. CAS No	: 96687-52-4 (Oxalate salt) ; 1253910-09-6 (Besylate)
Rel. CAT No	: SZ-A021053 , SZ-C130040 ,

Cisatracurium EP Impurity S

SZ CAT No:	: SZ-C130019
CAS No	: NA
Mol.F.	: C53H72N2O12 : 2C2F3O2
Mol.Wt.	: 929.2 : 2(113.0)
Inv. Status	: In Stock
Rel. CAS No	: 96946-49-5 (free base) ; 96946-50-8 (besylate salt)
Rel. CAT No	: SZ-A021099 ,

Cisatracurium EP Impurity U

SZ CAT No:	: SZ-C130021
CAS No	: NA
Mol.F.	: C53H72N2O12 : 2C2F3O2
Mol.Wt.	: 929.2 : 2(113.0)
Inv. Status	: In Stock
Rel. CAS No	: 96946-53-1 (free base)

Cisatracurium EP Impurity V

SZ CAT No:	: SZ-C130022
CAS No	: NA
Mol.F.	: C53H72N2O12 : 2C2F3O2
Mol.Wt.	: 929.2 : 2(113.0)
Inv. Status	: Custom Synthesis
Rel. CAS No	: 96946-47-3 (free base) ; 96946-48-4 (besylate salt)

Cisatracurium EP Impurity W

SZ CAT No:	: SZ-C130023
CAS No	: NA
Mol.F.	: C31H44NO8 : C2F3O2
Mol.Wt.	: 558.7 : 113.0
Inv. Status	: In Stock
Rel. CAS No	: 2411761-85-6 (free base) ; 2411761-86-7 (besylate salt)

Cisatracurium Impurity 1

SZ CAT No:	: SZ-C130024
CAS No	: NA
Mol.F.	: C53H72N2O12 : 2I
Mol.Wt.	: 929.2 : 2(126.9)
Inv. Status	: In Stock
Rel. CAS No	: 96946-55-3 (free base)

Cisatracurium EP Impurity O (besylate salt)

SZ CAT No:	: SZ-C130044
CAS No	: NA
Mol.F.	: C32H44NO8 : C6H5O3S
Mol.Wt.	: 570.7 : 157.2
Inv. Status	: Custom Synthesis
Rel. CAS No	: 2803857-41-0 (free base)
Rel. CAT No	: SZ-C130015 ,

Cisatracurium Impurity 2

SZ CAT No:	: SZ-C130047
CAS No	: NA
Mol.F.	: C28H42NO7 : Cl
Mol.Wt.	: 504.6 : 35.5
Inv. Status	: In Stock

Cisatracurium Impurity 3

SZ CAT No:	: SZ-C130048
CAS No	: NA
Mol.F.	: C60H84N2O14 : 2(Cl)
Mol.Wt.	: 1057.3 : 2(35.5)
Inv. Status	: Custom Synthesis

Cisatracurium Impurity T + V

SZ CAT No:	: SZ-C130025
CAS No	: NA
Mol.F.	: 2(C53H72N2O12 : C2F3O2)
Mol.Wt.	: 2(929.2 : 113.0)
Inv. Status	: In Stock

Cisatracurium Besylate

SZ CAT No:	: SZ-C130026
CAS No	: 96946-42-8
Mol.F.	: C53H72N2O12 : 2(C6H5O3S)
Mol.Wt.	: 929.2 : 2(113.0)
Inv. Status	: Custom Synthesis
Rel. CAS No	: 96946-41-7 (free base)
Rel. CAT No	: SZ-C130001 , SZ-C130027 , SZ-A021002 ,

Cisatracurium Besylate EP Impurity H

SZ CAT No:	: SZ-C130009
CAS No	: 96946-44-0
Mol.F.	: C53H72N2O12 : 2(C6H5O3S)
Mol.Wt.	: 929.2 : 2(157.2)
Inv. Status	: Custom Synthesis
Rel. CAS No	: 96946-43-9 (free base)
Rel. CAT No	: SZ-A021008 , SZ-A021050 , SZ-C130032 ,

Cisatracurium Besylate EP Impurity I

SZ CAT No:	: SZ-C130010
CAS No	: 1193104-82-3
Mol.F.	: C54H74N2O12 : 2(C6H5O3S)
Mol.Wt.	: 943.2 : 2(157.2)
Inv. Status	: In Stock
Rel. CAS No	: 1193104-81-2 (free base)
Rel. CAT No	: SZ-A021026 , SZ-A021034 , SZ-C130033 ,

Cisatracurium Besylate EP Impurity K

SZ CAT No:	: SZ-C130011
CAS No	: 1193104-80-1
Mol.F.	: C54H74N2O12 : 2(C6H5O3S)
Mol.Wt.	: 943.2 : 2(157.2)
Inv. Status	: Custom Synthesis
Rel. CAS No	: 1193104-79-8 (free base)
Rel. CAT No	: SZ-A021014 , SZ-C130034 ,

Cisatracurium Besylate EP Impurity L

SZ CAT No:	: SZ-C130012
CAS No	: NA
Mol.F.	: C56H76N2O14 : 2(C6H5O3S)
Mol.Wt.	: 1001.2 : 2(157.2)
Inv. Status	: Custom Synthesis
Rel. CAT No	: SZ-C130035 ,

Cisatracurium Besylate EP Impurity M

SZ CAT No:	: SZ-C130013
CAS No	: 1193104-85-6
Mol.F.	: C54H74N2O12 : 2(C6H5O3S)
Mol.Wt.	: 943.2 : 2(157.2)
Inv. Status	: Custom Synthesis
Rel. CAS No	: 1193104-84-5 (free base)
Rel. CAT No	: SZ-C130036 , SZ-A021013 , SZ-A021074 ,

Cisatracurium Besylate EP Impurity N

SZ CAT No:	: SZ-C130014
CAS No	: NA
Mol.F.	: C32H44NO8 : C6H5O3S
Mol.Wt.	: 570.7 : 157.2
Inv. Status	: Custom Synthesis
Rel. CAT No	: SZ-C130037 , SZ-A021011 , SZ-A021072 ,

Cisatracurium Besylate EP Impurity P

SZ CAT No:	: SZ-C130016
CAS No	: 2024603-92-5
Mol.F.	: C52H69N2O12 : C6H5O3S
Mol.Wt.	: 914.1 : 157.3
Inv. Status	: Custom Synthesis
Rel. CAS No	: 2024603-91-4 (free base)
Rel. CAT No	: SZ-A021009 , SZ-A021035 , SZ-A021070 , SZ-C130038 ,

Cisatracurium Besylate EP Impurity Q

SZ CAT No:	: SZ-C130017
CAS No	: NA
Mol.F.	: C52H69N2O12 : C6H5O3S
Mol.Wt.	: 914.1: 157.3
Inv. Status	: Custom Synthesis
Rel. CAT No	: SZ-C130039 , SZ-A021010 , SZ-A021071 ,

Cisatracurium Chloride

SZ CAT No:	: SZ-C130001
CAS No	: NA
Mol.F.	: C53H72N2O12 : 2Cl
Mol.Wt.	: 929.2 : 2(35.5)
Inv. Status	: Custom Synthesis
Rel. CAS No	: 96946-41-7 (free base) ; 96946-42-8 (Besylate salt)
Rel. CAT No	: SZ-C130026 , SZ-C130027 , SZ-A021002 ,

Cisatracurium EP Impurity A

SZ CAT No:	: SZ-C130028
CAS No	: 1075727-04-6
Mol.F.	: C24H32NO6
Mol.Wt.	: 430.5
Inv. Status	: Custom Synthesis
Rel. CAS No	: 1075727-07-9 (Iodide) ; 1075727-06-8 (besylate salt)
Rel. CAT No	: SZ-C130002 , SZ-A021004 , SZ-A021060 ,

Cisatracurium EP Impurity B

SZ CAT No:	: SZ-C130029
CAS No	: 732929-47-4
Mol.F.	: C22H30NO4
Mol.Wt.	: 372.5
Inv. Status	: Custom Synthesis
Rel. CAS No	: 41431-32-7 (Iodide) ; 2480467-84-1 (besilate salt)
Rel. CAT No	: SZ-A021024 , SZ-C130003 ,

Cisatracurium EP Impurity C

SZ CAT No:	: SZ-C130004
CAS No	: 85-63-2
Mol.F.	: C21H27NO4
Mol.Wt.	: 357.5
Inv. Status	: In Stock
Rel. CAT No	: SZ-A021006 ,

Cisatracurium EP Impurity E

SZ CAT No:	: SZ-C130006
CAS No	: NA
Mol.F.	: C29H42NO7
Mol.Wt.	: 516.7
Inv. Status	: Custom Synthesis
Rel. CAS No	: 2922251-87-2 (free base) ; 2922251-88-3 (besylate salt)
Rel. CAT No	: SZ-A021003 , SZ-A021029 , SZ-A021066 ; SZ-A021103 ,

Cisatracurium EP Impurity F

SZ CAT No:	: SZ-C130007
CAS No	: NA
Mol.F.	: C29H42NO7
Mol.Wt.	: 516.7
Inv. Status	: In Stock
Rel. CAS No	: 1100676-15-0 (free base) ; 1100676-16-1 (besylate salt)
Rel. CAT No	: SZ-A021005 , SZ-A021042 , SZ-A021068 ,

Cisatracurium EP Impurity I

SZ CAT No:	: SZ-C130033
CAS No	: 1193104-81-2
Mol.F.	: C54H74N2O12
Mol.Wt.	: 943.2
Inv. Status	: Custom Synthesis
Rel. CAS No	: 1193104-82-3 (besylate salt)
Rel. CAT No	: SZ-C130010 , SZ-A021026 , SZ-A021034 ,

Cisatracurium EP Impurity K

SZ CAT No:	: SZ-C130034
CAS No	: 1193104-79-8
Mol.F.	: C54H74N2O12
Mol.Wt.	: 943.2
Inv. Status	: Custom Synthesis
Rel. CAS No	: 1193104-80-1 (Besylate)
Rel. CAT No	: SZ-A021014 , SZ-C130011 ,

Cisatracurium EP Impurity Q

SZ CAT No:	: SZ-C130039
CAS No	: NA
Mol.F.	: C52H69N2O12
Mol.Wt.	: 914.1
Inv. Status	: Custom Synthesis
Rel. CAT No	: SZ-C130017 , SZ-A021010 , SZ-A021071 ,

Cisatracurium EP Impurity T

SZ CAT No:	: SZ-C130020
CAS No	: NA
Mol.F.	: C53H72N2O12 : 2(C2F3O2)
Mol.Wt.	: 929.2 : 2(113.0)
Inv. Status	: Custom Synthesis
Rel. CAS No	: 96946-51-9 (free base) ; 96946-52-0 (besylate salt)

cis-Monoquaternary Compound

SZ CAT No:	: SZ-C130045
CAS No	: NA
Mol.F.	: C52H70N2O12 : 2(C6H5O3S)
Mol.Wt.	: 915.1 : 2(157.2)
Inv. Status	: Custom Synthesis

Cisatracurium EP Impurity B

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