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Tizanidine Related Products

SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Tizanidine, pharmacopeial and non-pharmacopeial Tizanidine impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Tizanidine impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Tizanidine-related products are thoroughly characterized. Tizanidine products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

Stable Isotopes And Metabolites

Tizanidine-d4 HCl

Picture of Tizanidine-d4 HCl
CAT No: SZ-T014D01
CAS No: 1188263-51-5
Mol.F. : C9H4D4ClN5S : HCl
Mol.Wt. : 257.7 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 1188331-19-2 (free base)
SZ-T014D01
CAS No:1188263-51-5
Mol.F.: C9H4D4ClN5S : HCl
Mol.Wt.: 257.7 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 1188331-19-2 (free base)

Dehydro Tizanidine-13C,15N2

Picture of Dehydro Tizanidine-13C,15N2
CAT No: SZ-T014D02
CAS No: NA
Mol.F. : C9H6ClN5S
Mol.Wt. : 254.7
Inv. Status: Custom Synthesis
SZ-T014D02
CAS No:NA
Mol.F.: C9H6ClN5S
Mol.Wt.: 254.7
Inv. Status: Custom Synthesis

Pharmaceutical Reference Standards

Tizanidine Hydrochloride

Picture of Tizanidine Hydrochloride
CAT No: SZ-T014001
CAS No: 64461-82-1
Mol.F. : C9H8ClN5S : HCl
Mol.Wt. : 253.7 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 51322-75-9 (free base)
SZ-T014001
CAS No:64461-82-1
Mol.F.: C9H8ClN5S : HCl
Mol.Wt.: 253.7 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 51322-75-9 (free base)

Tizanidine EP Impurity A 

Picture of Tizanidine EP Impurity A 
CAT No: SZ-T014002
CAS No: 51322-69-1
Mol.F. : C9H9N5S
Mol.Wt. : 219.3
Inv. Status: Custom Synthesis
SZ-T014002
CAS No:51322-69-1
Mol.F.: C9H9N5S 
Mol.Wt.: 219.3
Inv. Status: Custom Synthesis

Tizanidine EP Impurity B

Picture of Tizanidine EP Impurity B
CAT No: SZ-T014003
CAS No: 51323-05-8
Mol.F. : C7H5ClN4S2
Mol.Wt. : 244.7
Inv. Status: In Stock
SZ-T014003
CAS No:51323-05-8
Mol.F.: C7H5ClN4S2 
Mol.Wt.: 244.7
Inv. Status: In Stock

Tizanidine EP Impurity C

Picture of Tizanidine EP Impurity C
CAT No: SZ-T014004
CAS No: 1147548-83-1
Mol.F. : C16H14Cl2N10S2
Mol.Wt. : 481.4
Inv. Status: Custom Synthesis
SZ-T014004
CAS No:1147548-83-1
Mol.F.: C16H14Cl2N10S2 
Mol.Wt.: 481.4
Inv. Status: Custom Synthesis

Tizanidine EP Impurity D

Picture of Tizanidine EP Impurity D
CAT No: SZ-T014005
CAS No: 560120-68-5
Mol.F. : C8H7ClN4S2
Mol.Wt. : 258.8
Inv. Status: In Stock
SZ-T014005
CAS No:560120-68-5
Mol.F.: C8H7ClN4S2 
Mol.Wt.: 258.8
Inv. Status: In Stock

Tizanidine EP Impurity E

Picture of Tizanidine EP Impurity E
CAT No: SZ-T014006
CAS No: 30536-19-7
Mol.F. : C6H4ClN3S
Mol.Wt. : 185.6
Inv. Status: In Stock
SZ-T014006
CAS No:30536-19-7
Mol.F.: C6H4ClN3S 
Mol.Wt.: 185.6
Inv. Status: In Stock

Tizanidine EP Impurity F 

Picture of Tizanidine EP Impurity F 
CAT No: SZ-T014007
CAS No: 1147548-85-3
Mol.F. : C16H11Cl2N9S2
Mol.Wt. : 464.4
Inv. Status: Custom Synthesis
SZ-T014007
CAS No:1147548-85-3
Mol.F.: C16H11Cl2N9S2
Mol.Wt.: 464.4
Inv. Status: Custom Synthesis

Tizanidine EP Impurity G 

Picture of Tizanidine EP Impurity G 
CAT No: SZ-T014008
CAS No: 51322-80-6
Mol.F. : C7H3ClN4S
Mol.Wt. : 210.6
Inv. Status: In Stock
SZ-T014008
CAS No:51322-80-6
Mol.F.: C7H3ClN4S 
Mol.Wt.: 210.6
Inv. Status: In Stock

Tizanidine EP Impurity H

Picture of Tizanidine EP Impurity H
CAT No: SZ-T014009
CAS No: 107-15-3
Mol.F. : C2H8N2
Mol.Wt. : 60.1
Inv. Status: In Stock
SZ-T014009
CAS No:107-15-3
Mol.F.: C2H8N2 
Mol.Wt.: 60.1
Inv. Status: In Stock

Tizanidine EP Impurity I

Picture of Tizanidine EP Impurity I
CAT No: SZ-T014010
CAS No: 104-15-4
Mol.F. : C7H8O3S
Mol.Wt. : 172.2
Inv. Status: In Stock
SZ-T014010
CAS No:104-15-4
Mol.F.: C7H8O3S 
Mol.Wt.: 172.2
Inv. Status: In Stock

Tizanidine USP Related Compound B 

Picture of Tizanidine USP Related Compound B 
CAT No: SZ-T014011
CAS No: 173532-15-5
Mol.F. : C11H10ClN5OS
Mol.Wt. : 295.8
Inv. Status: In Stock
SZ-T014011
CAS No:173532-15-5
Mol.F.: C11H10ClN5OS 
Mol.Wt.: 295.8
Inv. Status: In Stock

Tizanidine USP Related Compound C

Picture of Tizanidine USP Related Compound C
CAT No: SZ-T014012
CAS No: 5391-52-6
Mol.F. : C5H8N2OS
Mol.Wt. : 144.2
Inv. Status: In Stock
SZ-T014012
CAS No:5391-52-6
Mol.F.: C5H8N2OS 
Mol.Wt.: 144.2
Inv. Status: In Stock

Tizanidine 5-Hydroxy Impurity

Picture of Tizanidine 5-Hydroxy Impurity
CAT No: SZ-T014013
CAS No: 1794829-08-5
Mol.F. : C9H8ClN5OS : HCl
Mol.Wt. : 269.7 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 125292-31-1 (free base)
SZ-T014013
CAS No:1794829-08-5
Mol.F.: C9H8ClN5OS : HCl
Mol.Wt.: 269.7 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 125292-31-1 (free base)

Tizanidine Dehydro Impurity

Picture of Tizanidine Dehydro Impurity
CAT No: SZ-T014014
CAS No: 125292-34-4
Mol.F. : C9H6ClN5S
Mol.Wt. : 251.7
Inv. Status: Custom Synthesis
SZ-T014014
CAS No:125292-34-4
Mol.F.: C9H6ClN5S 
Mol.Wt.: 251.7
Inv. Status: Custom Synthesis

Tizanidine Guanidine Impurity

Picture of Tizanidine Guanidine Impurity
CAT No: SZ-T014015
CAS No: 125292-37-7
Mol.F. : C7H6ClN5S
Mol.Wt. : 227.7
Inv. Status: Custom Synthesis
SZ-T014015
CAS No:125292-37-7
Mol.F.: C7H6ClN5S 
Mol.Wt.: 227.7
Inv. Status: Custom Synthesis

Tizanidine Isothiocyanato Impurity 

Picture of Tizanidine Isothiocyanato Impurity 
CAT No: SZ-T014016
CAS No: 1467836-46-9
Mol.F. : C7H2ClN3S2
Mol.Wt. : 227.7
Inv. Status: Custom Synthesis
SZ-T014016
CAS No:1467836-46-9
Mol.F.: C7H2ClN3S2 
Mol.Wt.: 227.7
Inv. Status: Custom Synthesis

Tizanidine Lactam Impurity

Picture of Tizanidine Lactam Impurity
CAT No: SZ-T014017
CAS No: 125292-32-2
Mol.F. : C9H6ClN5OS
Mol.Wt. : 267.7
Inv. Status: Custom Synthesis
SZ-T014017
CAS No:125292-32-2
Mol.F.: C9H6ClN5OS 
Mol.Wt.: 267.7
Inv. Status: Custom Synthesis

Tizanidine Dimer Impurity

Picture of Tizanidine Dimer Impurity
CAT No: SZ-T014018
CAS No: NA
Mol.F. : C14H10Cl2N6S2
Mol.Wt. : 397.3
Inv. Status: Custom Synthesis
SZ-T014018
CAS No:NA
Mol.F.: C14H10Cl2N6S2
Mol.Wt.: 397.3
Inv. Status: Custom Synthesis

2-Aminoethylurea

Picture of 2-Aminoethylurea
CAT No: SZ-T014022
CAS No: 2035-78-1
Mol.F. : C3H9N3O
Mol.Wt. : 103.1
Inv. Status: Custom Synthesis
SZ-T014022
CAS No:2035-78-1
Mol.F.: C3H9N3O
Mol.Wt.: 103.1
Inv. Status: Custom Synthesis

Tizanidine Impurity 2

Picture of Tizanidine Impurity 2
CAT No: SZ-T014023
CAS No: 2207-33-2
Mol.F. : C6H2ClN3O2S
Mol.Wt. : 215.6
Inv. Status: Custom Synthesis
SZ-T014023
CAS No:2207-33-2
Mol.F.: C6H2ClN3O2S
Mol.Wt.: 215.6
Inv. Status: Custom Synthesis

Tizanidine Impurity 3

Picture of Tizanidine Impurity 3
CAT No: SZ-T014024
CAS No: 460987-47-7
Mol.F. : C6HClN4O4S
Mol.Wt. : 260.6
Inv. Status: Custom Synthesis
SZ-T014024
CAS No:460987-47-7
Mol.F.: C6HClN4O4S
Mol.Wt.: 260.6
Inv. Status: Custom Synthesis

Tizanidine Impurity 4

Picture of Tizanidine Impurity 4
CAT No: SZ-T014025
CAS No: 100191-31-9
Mol.F. : C6H4ClN3S
Mol.Wt. : 185.6
Inv. Status: Custom Synthesis
SZ-T014025
CAS No:100191-31-9
Mol.F.: C6H4ClN3S
Mol.Wt.: 185.6
Inv. Status: Custom Synthesis

Tizanidine Impurity 5

Picture of Tizanidine Impurity 5
CAT No: SZ-T014026
CAS No: NA
Mol.F. : C6H4ClN4O2S
Mol.Wt. : 231.6
Inv. Status: Custom Synthesis
SZ-T014026
CAS No:NA
Mol.F.: C6H4ClN4O2S
Mol.Wt.: 231.6
Inv. Status: Custom Synthesis

Tizanidine Impurity 6

Picture of Tizanidine Impurity 6
CAT No: SZ-T014027
CAS No: NA
Mol.F. : C6H5ClN4S
Mol.Wt. : 200.6
Inv. Status: Custom Synthesis
SZ-T014027
CAS No:NA
Mol.F.: C6H5ClN4S
Mol.Wt.: 200.6
Inv. Status: Custom Synthesis

Tizanidine Impurity 7

Picture of Tizanidine Impurity 7
CAT No: SZ-T014031
CAS No: 1187586-62-4
Mol.F. : C9H9ClN4S2
Mol.Wt. : 272.8
Inv. Status: Custom Synthesis
Rel. CAS No : 1187549-94-5 (HBr salt)
SZ-T014031
CAS No:1187586-62-4
Mol.F.: C9H9ClN4S2
Mol.Wt.: 272.8
Inv. Status: Custom Synthesis
Rel. CAS No : 1187549-94-5 (HBr salt)

Possible Nitroso Standards

Tizanidine Nitroso Impurity 1

Picture of Tizanidine Nitroso Impurity 1
CAT No: SZ-T014019
CAS No: NA
Mol.F. : C9H7ClN6OS
Mol.Wt. : 282.7
Inv. Status: Custom Synthesis
SZ-T014019
CAS No:NA
Mol.F.: C9H7ClN6OS
Mol.Wt.: 282.7
Inv. Status: Custom Synthesis

Tizanidine Nitroso Impurity 2

Picture of Tizanidine Nitroso Impurity 2
CAT No: SZ-T014020
CAS No: NA
Mol.F. : C11H9ClN6O2S
Mol.Wt. : 324.7
Inv. Status: Custom Synthesis
SZ-T014020
CAS No:NA
Mol.F.: C11H9ClN6O2S
Mol.Wt.: 324.7
Inv. Status: Custom Synthesis

Tizanidine Nitroso Impurity 3

Picture of Tizanidine Nitroso Impurity 3
CAT No: SZ-T014021
CAS No: NA
Mol.F. : C9H7ClN6OS
Mol.Wt. : 282.7
Inv. Status: Custom Synthesis
SZ-T014021
CAS No:NA
Mol.F.: C9H7ClN6OS
Mol.Wt.: 282.7
Inv. Status: Custom Synthesis

Tizanidine Nitroso Impurity 4

Picture of Tizanidine Nitroso Impurity 4
CAT No: SZ-T014028
CAS No: NA
Mol.F. : C9H6ClN7O2S
Mol.Wt. : 311.7
Inv. Status: Inquire
SZ-T014028
CAS No:NA
Mol.F.: C9H6ClN7O2S
Mol.Wt.: 311.7
Inv. Status: Inquire

Tizanidine Nitroso Impurity 5

Picture of Tizanidine Nitroso Impurity 5
CAT No: SZ-T014029
CAS No: NA
Mol.F. : C11H9ClN6O2S
Mol.Wt. : 324.7
Inv. Status: Inquire
SZ-T014029
CAS No:NA
Mol.F.: C11H9ClN6O2S
Mol.Wt.: 324.7
Inv. Status: Inquire