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A urinary antiseptic used to prevent urinary tract infections. It decomposes to formaldehyde in acidic urine, killing bacteria.
Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Methenamine and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Methenamine 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 Methenamine-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.

CAT No: CL-MEMN-01
CAS No: 100-97-0
Mol Wt: 140.2
Mol F: C6H12N4
Inv Status:Custom Synthesis
CAT No: CL-MEMN-02
CAS No: 5813-81-0
Mol Wt: 178.2
Mol F: C9H10N2O2
Inv Status:Custom Synthesis
CAT No: CL-MEMN-03
CAS No: 478932-11-5
Mol Wt: 190.2
Mol F: C10H10N2O2
Inv Status:Custom Synthesis
CAT No: CL-MEMN-04
CAS No: 2482-25-9
Mol Wt: 195.2
Mol F: C9H9NO4
Inv Status:Custom Synthesis
CAT No: CL-MEMN-05
CAS No: 487-54-7
Mol Wt: 195.2
Mol F: C9H9NO4
Inv Status:Custom Synthesis
CAT No: CL-MEMN-06
CAS No: 1637-75-8
Mol Wt: 195.2
Mol F: C9H9NO4
Inv Status:Custom Synthesis
CAT No: CL-MEMN-07
CAS No: 1145-32-0
Mol Wt: 236.2
Mol F: C11H12N2O4
Inv Status:Custom Synthesis
CAT No: CL-MEMN-08
CAS No: 16555-60-5
Mol Wt: 213.6
Mol F: C9H8ClNO3
Inv Status:Custom Synthesis
CAT No: CL-MEMN-09
CAS No: 13450-77-6
Mol Wt: 213.6
Mol F: C9H8ClNO3
Inv Status:Custom Synthesis
CAT No: CL-MEMN-10
CAS No: 57728-59-3
Mol Wt: 213.7
Mol F: C9H8ClNO4
Inv Status:Custom Synthesis
CAT No: CL-MEMN-11
CAS No: 587-23-5
Mol Wt: 140.2 : 152.1
Mol F: C6H12N4 : C8H8O3
Inv Status:Custom Synthesis
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