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Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Metronidazole and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Metronidazole 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 Metronidazole-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.

Metronidazole

CAT No: CL-MTDZ-01 CAS No: 443-48-1 Mol Wt: 171.2 Mol F: C6H9N3O3 Inv Status: Custom Synthesis

Chemical Name: 2-(2-Methyl-5-nitro-1H-imidazol-1-yl)ethan-1-ol

Metronidazole EP Impurity A

CAT No: CL-MTDZ-02 CAS No: 696-23-1 Mol Wt: 127.1 Mol F: C4H5N3O2 Inv Status: In Stock

Chemical Name: 2-Methyl-5-nitro-1H-imidazole

Metronidazole EP Impurity B

CAT No: CL-MTDZ-03 CAS No: 3034-38-6 Mol Wt: 113.1 Mol F: C3H3N3O2 Inv Status: In Stock

Chemical Name: 4-Nitro-1H-imidazole

Metronidazole EP Impurity C

CAT No: CL-MTDZ-04 CAS No: 5006-69-9 Mol Wt: 157.1 Mol F: C5H7N3O3 Inv Status: In Stock

Chemical Name: 2-(4-Nitro-1H-imidazol-1-yl)ethan-1-ol

Metronidazole EP Impurity D

CAT No: CL-MTDZ-05 CAS No: 5006-68-8 Mol Wt: 157.1 Mol F: C5H7N3O3 Inv Status: Custom Synthesis

Chemical Name: 2-(5-Nitro-1H-imidazol-1-yl)ethan-1-ol

Metronidazole EP Impurity E

CAT No: CL-MTDZ-06 CAS No: 705-19-1 Mol Wt: 171.2 Mol F: C6H9N3O3 Inv Status: In Stock

Chemical Name: 2-(2-Methyl-4-nitro-1H-imidazol-1-yl)ethan-1-ol

Metronidazole EP Impurity F

CAT No: CL-MTDZ-07 CAS No: 16156-94-8 Mol Wt: 215.2 Mol F: C8H13N3O4 Inv Status: Custom Synthesis

Chemical Name: 2-(2-(2-methyl-5-nitro-1H-imidazol-1-yl)ethoxy)ethan-1-ol

Metronidazole EP Impurity G

CAT No: CL-MTDZ-08 CAS No: 1010-93-1 Mol Wt: 185.1 Mol F: C6H7N3O4 Inv Status: Custom Synthesis

Chemical Name: 2-(2-Methyl-5-nitro-1H-imidazol-1-yl)acetic acid

Metronidazole Benzoate

CAT No: CL-MTDZ-09 CAS No: 13182-89-3 Mol Wt: 275.3 Mol F: C13H13N3O4 Inv Status: Custom Synthesis

Chemical Name: 2-(2-Methyl-5-nitro-1H-imidazol-1-yl)ethyl benzoate

Metronidazole Impurity 15

CAT No: CL-MTDZ-10 CAS No: 113385-77-6 Mol Wt: 171.2 Mol F: C6H9N3O3 Inv Status: Custom Synthesis

Chemical Name: (E)-3-(2-hydroxyethyl)-5-(hydroxyimino)-2-methyl-3,5-dihydro-4H-imidazol-4-one

Metronidazole Impurity 19

CAT No: CL-MTDZ-11 CAS No: 13755-68-5 Mol Wt: 284.3 Mol F: C8H8N6O4S Inv Status: Custom Synthesis

Chemical Name: Bis(1-methyl-4-nitro-1H-imidazol-5-yl)sulfane

Hydroxy Metronidazole D2

CAT No: CL-MTDZ-12 CAS No: 2196180-19-3 Mol Wt: 189.2 Mol F: C6H7D2N3O4 Inv Status: Custom Synthesis

Chemical Name: 2-(2-(Hydroxymethyl-d2)-5-nitro-1H-imidazol-1-yl)ethan-1-ol

Hydroxy Metronidazole D4

CAT No: CL-MTDZ-13 CAS No: 1215071-08-1 Mol Wt: 191.2 Mol F: C6H5D4N3O4 Inv Status: Custom Synthesis

Chemical Name: 2-(2-(Hydroxymethyl)-5-nitro-1H-imidazol-1-yl)ethan-1,1,2,2-d4-1-ol

Metronidazole D3

CAT No: CL-MTDZ-14 CAS No: 83413-09-6 Mol Wt: 174.2 Mol F: C6H6D3N3O3 Inv Status: Custom Synthesis

Chemical Name: 2-(2-(Methyl-d3)-5-nitro-1H-imidazol-1-yl)ethan-1-ol

Metronidazole D4

CAT No: CL-MTDZ-15 CAS No: 1261392-47-5 Mol Wt: 175.2 Mol F: C6H5D4N3O3 Inv Status: Custom Synthesis

Chemical Name: 2-(2-Methyl-5-nitro-1H-imidazol-1-yl)ethan-1,1,2,2-d4-1-ol

Metronidazole-13C2,15N2

CAT No: CL-MTDZ-16 CAS No: 1173020-03-5 Mol Wt: 175.1 Mol F: C413C2H9N15N2O3 Inv Status: Custom Synthesis

Chemical Name: 2-(2-(Methyl-13C)-5-nitro-1H-imidazol-1-yl-2-13C-1,3-15N2)ethan-1-ol

Hydroxy Metronidazole

CAT No: CL-MTDZ-17 CAS No: 4812-40-2 Mol Wt: 187.2 Mol F: C6H9N3O4 Inv Status: Custom Synthesis

Chemical Name: 2-(2-(Hydroxymethyl)-5-nitro-1H-imidazol-1-yl)ethan-1-ol

Metronidazole Impurity 14

CAT No: CL-MTDZ-18 CAS No: 110578-73-9 Mol Wt: 171.2 Mol F: C6H9N3O3 Inv Status: Custom Synthesis

Chemical Name: N-(2-Hydroxyethyl)-5-methyl-1,2,4-oxadiazole-3-carboxamide

Metronidazole Impurity 16

CAT No: CL-MTDZ-19 CAS No: 87009-72-1 Mol Wt: 275.3 Mol F: C13H13N3O4 Inv Status: Custom Synthesis

Chemical Name: 2-(2-Methyl-4-nitro-1H-imidazol-1-yl)ethyl benzoate

Metronidazole Impurity 17

CAT No: CL-MTDZ-20 CAS No: 3034-41-1 Mol Wt: 127.1 Mol F: C4H5N3O2 Inv Status: Custom Synthesis

Chemical Name: 1-Methyl-4-nitro-1H-imidazole

Metronidazole Impurity 11

CAT No: CL-MTDZ-21 CAS No: 19765-12-9 Mol Wt: 215.2 Mol F: C8H13N3O4 Inv Status: In Stock

Chemical Name: 2-(2-(2-Methyl-4-nitro-1H-imidazol-1-yl)ethoxy)ethan-1-ol

Metronidazole b-D-Glucuronide

CAT No: CL-MTDZ-22 CAS No: 100495-98-5 Mol Wt: 347.3 Mol F: C12H17N3O9 Inv Status: Custom Synthesis

Chemical Name: 2-(2-Methyl-5-nitro-1H-imidazol-1-yl)ethyl b-D-Glucopyranosiduronic Acid

Metronidazole Impurity 20

CAT No: CL-MTDZ-23 CAS No: NA Mol Wt: 127.1 Mol F: C4H5N3O2 Inv Status: Custom Synthesis

Chemical Name: 4-Methyl-4-nitro-4H-imidazole

Metronidazole Impurity 3

CAT No: CL-MTDZ-24 CAS No: NA Mol Wt: 171.11 Mol F: C5H5N3O4 Inv Status: In Stock

Chemical Name: 2-(4-nitro-1H-imidazol-1-yl)acetic acid

Metronidazole Impurity 1

CAT No: CL-MTDZ-25 CAS No: 59566-51-7 Mol Wt: 199.16 Mol F: C7H9N3O4 Inv Status: In Stock

Chemical Name: ethyl 2-(4-nitro-1H-imidazol-1-yl)acetate

Metronidazole Impurity 2

CAT No: CL-MTDZ-26 CAS No: 13230-22-3 Mol Wt: 213.19 Mol F: C8H11N3O4 Inv Status: In Stock

Chemical Name: ethyl 2-(2-methyl-4-nitro-1H-imidazol-1-yl)acetate

Metronidazole Impurity 4

CAT No: CL-MTDZ-27 CAS No: NA Mol Wt: 185.14 Mol F: C6H7N3O4 Inv Status: In Stock

Chemical Name: 2-(2-methyl-4-nitro-1H-imidazol-1-yl)acetic acid

Metronidazole Impurity 5

CAT No: CL-MTDZ-29 CAS No: 13230-21-2 Mol Wt: 185.14 Mol F: C6H7N3O4 Inv Status: In Stock

Chemical Name: methyl 2-(4-nitro-1H-imidazol-1-yl)acetate

Metronidazole Impurity 6

CAT No: CL-MTDZ-30 CAS No: 25023-24-9 Mol Wt: 199.16 Mol F: C7H9N3O4 Inv Status: In Stock

Chemical Name: methyl 2-(2-methyl-4-nitro-1H-imidazol-1-yl)acetate

Type:Impurity Reference Standard

Total Products: 29

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