Impurity Reference Standard - Products

Tizanidine HCl

CAT No: CL-TZND-01 CAS No: 64461-82-1 Mol Wt: 253.7 Mol F: C9H8ClN5S Inv Status: Custom Synthesis

Chemical Name: 5-Chloro-N-(4,5-dihydro-1H-imidazol-2-yl)-2,1,3-benzothiadiazol-4-amine

Tizanidine EP Impurity A

CAT No: CL-TZND-02 CAS No: 51322-69-1 Mol Wt: 219.3 Mol F: C9H9N5S Inv Status: Custom Synthesis

Chemical Name: N-(4,5-Dihydro-1H-imidazol-2-yl)-2,1,3-benzothiadiazol-4-amine

Tizanidine EP Impurity B

CAT No: CL-TZND-03 CAS No: 51323-05-8 Mol Wt: 244.7 Mol F: C7H5ClN4S2 Inv Status: Custom Synthesis

Chemical Name: N-(5-chloro-2,1,3-benzothiadiazol-4-yl)thiourea

Tizanidine EP Impurity C

CAT No: CL-TZND-04 CAS No: 1147548-83-1 Mol Wt: 481.4 Mol F: C16H14Cl2N10S2 Inv Status: Custom Synthesis

Chemical Name: 1,1'-Ethane-1,2-diylbis[3-(5-chloro-2,1,3-benzothiadiazol-4-yl)guanidine]

Tizanidine EP Impurity D

CAT No: CL-TZND-05 CAS No: 560120-68-5 Mol Wt: 258.8 Mol F: C8H7ClN4S2 Inv Status: Custom Synthesis

Chemical Name: Methyl N-(5-chloro-2,1,3-benzothiadiazol-4-yl)carbamimidothioate

Tizanidine EP Impurity E

CAT No: CL-TZND-06 CAS No: 30536-19-7 Mol Wt: 185.6 Mol F: C6H4ClN3S Inv Status: Custom Synthesis

Chemical Name: 5-Chloro-2,1,3-benzothiadiazol-4-amine ; 4-Amino-5-chloro-2,1,3-benzothiadiazole (as per USP)

Tizanidine EP Impurity F

CAT No: CL-TZND-07 CAS No: 1147548-85-3 Mol Wt: 464.4 Mol F: C16H11Cl2N9S2 Inv Status: Custom Synthesis

Chemical Name: 1,3-Bis(5-chloro-2,1,3-benzothiadiazol-4-yl)-1-(4,5-dihydro-1H-imidazol-2-yl)guanidine

Tizanidine EP Impurity G

CAT No: CL-TZND-08 CAS No: 51322-80-6 Mol Wt: 210.6 Mol F: C7H3ClN4S Inv Status: Custom Synthesis

Chemical Name: (5-Chloro-2,1,3-benzothiadiazol-4-yl)cyanamide

Tizanidine EP Impurity H

CAT No: CL-TZND-09 CAS No: 107-15-3 Mol Wt: 60.1 Mol F: C2H8N2 Inv Status: Custom Synthesis

Chemical Name: Ethane-1,2-diamine

Tizanidine EP Impurity I

CAT No: CL-TZND-10 CAS No: 104-15-4 Mol Wt: 172.2 Mol F: C7H8O3S Inv Status: Custom Synthesis

Chemical Name: 4-Methylbenzenesulfonic acid

Tizanidine USP RC B

CAT No: CL-TZND-11 CAS No: 173532-15-5 Mol Wt: 295.8 Mol F: C11H10ClN5OS Inv Status: Custom Synthesis

Chemical Name: N-Acetyltizanidine (as per USP)

Tizanidine USP RC C

CAT No: CL-TZND-12 CAS No: 5391-52-6 Mol Wt: 144.2 Mol F: C5H8N2OS Inv Status: Custom Synthesis

Chemical Name: 1-Acetylimidazolidine-2-thione (as per USP)

Tizanidine 5-Hydroxy Impurity

CAT No: CL-TZND-13 CAS No: 1794829-08-5 Mol Wt: 269.7 : 36.5 Mol F: C9H8ClN5OS : HCl Inv Status: Custom Synthesis

Chemical Name: 2-[(5-Chloro-2,1,3-benzothiadiazol-4-yl)amino]-4,5-dihydro-1H-imidazol-5-ol hydrochloride

Tizanidine Dehydro Impurity

CAT No: CL-TZND-14 CAS No: 125292-34-4 Mol Wt: 251.7 Mol F: C9H6ClN5S Inv Status: Custom Synthesis

Chemical Name: 5-Chloro-N-1H-imidazol-2-yl-2,1,3-benzothiadiazol-4-amine

Tizanidine Guanidine Impurity

CAT No: CL-TZND-15 CAS No: 125292-37-7 Mol Wt: 227.7 Mol F: C7H6ClN5S Inv Status: Custom Synthesis

Chemical Name: (5-Chloro-2,1,3-benzothiadiazol-4-yl)-guanidine ; 1-(5-Chlorobenzo[c][1,2,5 ]thiadiazol-4-yl)guanidine

Tizanidine Isothiocyanato Impurity

CAT No: CL-TZND-16 CAS No: 1467836-46-9 Mol Wt: 227.7 Mol F: C7H2ClN3S2 Inv Status: Custom Synthesis

Chemical Name: 5-Chloro-4-isothiocyanato-2,1,3-benzothiadiazole ; 5-Chloro-4-isothiocyanato benzo[c][1,2,5]thiadiazole

Tizanidine Lactam Impurity

CAT No: CL-TZND-17 CAS No: 125292-32-2 Mol Wt: 267.7 Mol F: C9H6ClN5OS Inv Status: Custom Synthesis

Chemical Name: 2-[(5-Chloro-2,1,3-benzothiadiazol-4-yl)amino]-1,5-dihydro-4H-imidazol-4-one

Tizanidine Dimer Impurity

CAT No: CL-TZND-18 CAS No: NA Mol Wt: 397.3 Mol F: C14H10Cl2N6S2 Inv Status: Custom Synthesis

Chemical Name: N1,N2-bis(5-chlorobenzo[c][1,2,5]thiadiazol-4-yl)ethane-1,2-diamine

Tizanidine Impurity 2

CAT No: CL-TZND-19 CAS No: 2207-33-2 Mol Wt: 215.6 Mol F: C6H2ClN3O2S Inv Status: Custom Synthesis

Chemical Name: 5-Chloro-6-Nitrobenzo[c][1,2,5]thiadiazole

Tizanidine Impurity 3

CAT No: CL-TZND-20 CAS No: 460987-47-7 Mol Wt: 260.6 Mol F: C6HClN4O4S Inv Status: Custom Synthesis

Chemical Name: 5-Chloro-4,6-Dinitrobenzo[c][1,2,5]thiadiazole

Tizanidine Impurity 4

CAT No: CL-TZND-21 CAS No: 100191-31-9 Mol Wt: 185.6 Mol F: C6H4ClN3S Inv Status: Custom Synthesis

Chemical Name: 6-Chlorobenzo[c][1,2,5]thiadiazol-5-amine

Tizanidine Impurity 5

CAT No: CL-TZND-22 CAS No: NA Mol Wt: 231.6 Mol F: C6H4ClN4O2S Inv Status: Custom Synthesis

Chemical Name: N-(7-Amino-6-Chlorobenzo[c][1,2,5]thiadiazol-5-yl)-N-Oxohydroxylammonium

Tizanidine Impurity 6

CAT No: CL-TZND-23 CAS No: NA Mol Wt: 200.6 Mol F: C6H5ClN4S Inv Status: Custom Synthesis

Chemical Name: 5-Chlorobenzo[c][1,2,5]thiadiazole-4,6-diamine

Tizanidine Impurity 7

CAT No: CL-TZND-24 CAS No: 1187586-62-4 Mol Wt: 272.8 Mol F: C9H9ClN4S2 Inv Status: Custom Synthesis

Chemical Name: Ethyl (5-chlorobenzo[c][1,2,5]thiadiazol-4-yl)carbamimidothioate

Dehydro Tizanidine-13C,15N2

CAT No: CL-TZND-25 CAS No: NA Mol Wt: 254.7 Mol F: C9H6ClN5S Inv Status: Custom Synthesis

Chemical Name: 5-chloro-N-(1H-imidazol-2-yl-2-13C-15N2)benzo[c][1,2,5]thiadiazol-4-amine

Tizanidine-D4

CAT No: CL-TZND-26 CAS No: 1188331-19-2 Mol Wt: 257.7 Mol F: C9H4D4ClN5S Inv Status: Custom Synthesis

Chemical Name: 5-Chloro-N-(4,5-dihydro-1H-imidazol-2-yl-4,4,5,5-d4)benzo[c][1,2,5]thiadiazol-4-amine

Tizanidine

CAT No: CL-TZND-27 CAS No: 51322-75-9 Mol Wt: 253.7 Mol F: C9H8ClN5S Inv Status: Custom Synthesis

Chemical Name: 5-Chloro-N-(4,5-dihydro-1H-imidazol-2-yl)-2,1,3-benzothiadiazol-4-amine

2-Aminoethylurea

CAT No: CL-TZND-28 CAS No: 2035-78-1 Mol Wt: 103.1 Mol F: C3H9N3O Inv Status: Custom Synthesis

Chemical Name: 1-(2-Aminoethyl)Urea

Tizanidine Impurity 8

CAT No: CL-TZND-29 CAS No: 767-64-6 Mol Wt: 151.2 Mol F: C6H5N3S Inv Status: Custom Synthesis

Chemical Name: Benzo[c][1,2,5]thiadiazol-4-amine

Type:Impurity Reference Standard

API NAME:Tizanidine

Total Products: 29

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