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

Nitrazepam EP Impurity A
CAT No: CL-NTPZ-01 CAS No: 36020-93-6 Mol Wt: 281.3 Mol F: C15H11N3O3 Inv Status: Custom Synthesis
Chemical Name: 3-Amino-6-nitro-4-phenylquinolin-2(1H)-one
Nitrazepam EP Impurity B
CAT No: CL-NTPZ-02 CAS No: 1775-95-7 Mol Wt: 242.2 Mol F: C13H10N2O3 Inv Status: Custom Synthesis
Chemical Name: (2-Amino-5-nitrophenyl)phenylmethanone
Nitrazepam EP Impurity C
CAT No: CL-NTPZ-03 CAS No: 2011-70-3 Mol Wt: 363.2 Mol F: C15H11BrN2O4 Inv Status: Custom Synthesis
Chemical Name: 2-Bromo-N-[4-nitro-2-(phenylcarbonyl)phenyl]acetamide
Nitrazepam EP Impurity D
CAT No: CL-NTPZ-04 CAS No: 33311-76-1 Mol Wt: 429.4 Mol F: C23H15N3O6 Inv Status: Custom Synthesis
Chemical Name: 2-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)-N-[4-nitro-2-(phenylcarbonyl)phenyl]acetamide
7-Amino Nitrazepam
CAT No: CL-NTPZ-05 CAS No: NA Mol Wt: 251.3 Mol F: C15H13N3O Inv Status: Custom Synthesis
Chemical Name: 7-Amino-5-phenyl-1,3-dihydro-2H-benzo[e][1,4]diazepin-2-one
7-Acetamido Nitrazepam
CAT No: CL-NTPZ-06 CAS No: [4928-03-4] Mol Wt: 293.3 Mol F: C17H15N3O2 Inv Status: Custom Synthesis
Chemical Name: N-(2-Oxo-5-phenyl-2,3-dihydro-1H-benzo[e][1,4]diazepin-7-yl)acetamide
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