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

N-Nitroso Pyrantel Impurity 1
CAT No: CL-PRN-NO-01 CAS No: NA Mol Wt: 221.28 Mol F: C10H11N3OS Inv Status: Custom Synthesis
Chemical Name: (E)-1-nitroso-2-(2-(thiophen-2-yl)vinyl)-1,4,5,6-tetrahydropyrimidine
N-Nitroso Pyrantel Impurity 2
CAT No: CL-PRN-NO-02 CAS No: NA Mol Wt: 221.28 Mol F: C10H11N3OS Inv Status: Custom Synthesis
Chemical Name: (Z)-1-nitroso-2-(2-(thiophen-2-yl)vinyl)-1,4,5,6-tetrahydropyrimidine
N-Nitroso Pyrantel Impurity 3
CAT No: CL-PRN-NO-03 CAS No: NA Mol Wt: 253.32 Mol F: C11H15N3O2S Inv Status: Custom Synthesis
Chemical Name: (E)-N-(3-(methyl(nitroso)amino)propyl)-3-(thiophen-2-yl)acrylamide
N-Nitroso Pyrantel Impurity 4
CAT No: CL-PRN-NO-04 CAS No: NA Mol Wt: 127.14 Mol F: C5H9N3O Inv Status: Custom Synthesis
Chemical Name: 2-methyl-1-nitroso-1,4,5,6-tetrahydropyrimidine
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