Impurity Reference Standard - Products

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Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Clazuril and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Clazuril impurities, metabolites, nitrosamine derivatives (N-NO compounds), and stable isotope-labeled products. These reference standards play a critical role in pharmaceutical R&D, supporting activities such as product formulation, ANDA and DMF submissions, quality assurance, analytical method development, and stability assessments.
All Clazuril-related substances undergo comprehensive characterization and are delivered with complete Certificates of Analysis and supporting analytical documentation to ensure regulatory adherence. Upon request, we can offer EP/USP traceable standards. Our products are routinely re-evaluated to maintain consistent quality and performance.

Clazuril

CAT No: CL-CZR-01 CAS No: 101831-36-1 Mol Wt: 373.2 Mol F: C17H10Cl2N4O2 Inv Status: Custom Synthesis

Chemical Name: (2RS)-[2-Chloro-4-(3,5-dioxo-4,5-dihydro-1,2,4-triazin-2(3H)-yl)phenyl](4-chlorophenyl)acetonitrile

Clazuril EP Impurity A

CAT No: CL-CZR-02 CAS No: 112206-57-2 Mol Wt: 392.2 Mol F: C17H11Cl2N3O4 Inv Status: Custom Synthesis

Chemical Name: (2RS)-[2-Chloro-4-(3,5-dioxo-4,5-dihydro-1,2,4-triazin-2(3H)-yl)phenyl](4-chlorophenyl)acetic acid

Clazuril EP Impurity B

CAT No: CL-CZR-03 CAS No: NA Mol Wt: 416.2 Mol F: C18H11Cl2N5O3 Inv Status: Custom Synthesis

Chemical Name: 2-[3-Chloro-4-[(RS)-(4-chlorophenyl)cyanomethyl]phenyl]-3,5-dioxo-2,3,4,5-tetrahydro-1,2,4-triazine-6-carboxamide

Clazuril EP Impurity C

CAT No: CL-CZR-04 CAS No: 112206-55-0 Mol Wt: 391.2 Mol F: C17H12Cl2N4O3 Inv Status: Custom Synthesis

Chemical Name: (2RS)-2-[2-Chloro-4-(3,5-dioxo-4,5-dihydro-1,2,4-triazin-2(3H)-yl)phenyl]-2-(4-chlorophenyl)acetamide

Clazuril EP Impurity D

CAT No: CL-CZR-05 CAS No: NA Mol Wt: 444.3 Mol F: C20H15Cl2N5O3 Inv Status: Custom Synthesis

Chemical Name: 2-[3-Chloro-4-[(RS)-(4-chlorophenyl)cyanomethyl]phenyl]-N,N-dimethyl-3,5-dioxo-2,3,4,5-tetrahydro-1,2,4-triazine-6-carboxamide

Clazuril EP Impurity E

CAT No: CL-CZR-06 CAS No: NA Mol Wt: 431.2 Mol F: C19H12Cl2N4O4 Inv Status: Custom Synthesis

Chemical Name: Methyl 2-[3-chloro-4-[(RS)-(4-chlorophenyl)cyanomethyl]phenyl]-3,5-dioxo-2,3,4,5-tetrahydro-1,2,4-triazine-6-carboxylate

Clazuril EP Impurity F

CAT No: CL-CZR-07 CAS No: NA Mol Wt: 445.3 Mol F: C20H14Cl2N4O4 Inv Status: Custom Synthesis

Chemical Name: Ethyl 2-[3-chloro-4-[(RS)-(4-chlorophenyl)cyanomethyl]phenyl]-3,5-dioxo-2,3,4,5-tetrahydro-1,2,4-triazine-6-carboxylate

Clazuril EP Impurity G

CAT No: CL-CZR-08 CAS No: 38571-19-6 Mol Wt: 362.2 Mol F: C16H9Cl2N3O3 Inv Status: Custom Synthesis

Chemical Name: 2-[3-Chloro-4-(4-chlorobenzoyl)phenyl]-1,2,4-triazine3,5(2H,4H)-dione

Clazuril EP Impurity H

CAT No: CL-CZR-09 CAS No: NA Mol Wt: 709.9 Mol F: C34H19Cl3N8O4 Inv Status: Custom Synthesis

Chemical Name: [2-Chloro-4-(3,5-dioxo-4,5-dihydro-1,2,4-triazin-2(3H)-yl)phenyl][4-[[2-chloro-4-(3,5-dioxo-4,5-dihydro-1,2,4-triazin-2(3H)-yl)phenyl]cyanomethyl]phenyl](4-chlorophenyl)acetonitrile

Clazuril EP Impurity I

CAT No: CL-CZR-10 CAS No: NA Mol Wt: 347.2 Mol F: C16H12Cl2N4O Inv Status: Custom Synthesis

Chemical Name: (Z)-2-[[3-Chloro-4-[(RS)-(4-chlorophenyl)cyanomethyl]phenyl]diazanylidene]acetamide

Type:Impurity Reference Standard

Total Products: 10

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