Home / Products / Metronidazole / Metronidazole EP Impurity B (INR 2900/-, 50 mg, in stock) Metronidazole EP Impurity B (INR 2900/-, 50 mg, in stock) Catalogue No: Metronidazole EP Impurity B Common name: 4-Nitro-1H-imidazole CAS: 3034-38-6 Mol. Weight: 113.1 Rel. CAS No NA Shipping Condition Ambient Get Quote Product Overview Chemical Name: 4-Nitro-1H-imidazole Shipping Temperature: Ambient HSN Code: 38229010 Country of Origin: India Smiles: O=[N+](C1=CNC=N1)[O-]