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Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Fenspiride and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Fenspiride 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 Fenspiride-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 Fenspiride Impurity 1
CAT No: CL-FSRD-NO-02 CAS No: NA Mol Wt: 480.65 Mol F: C28H40N4O3 Inv Status: Custom Synthesis
Chemical Name: N,N-bis((4-hydroxy-1-phenethylpiperidin-4-yl)methyl)nitrous amide
N-Nitroso Fenspiride
CAT No: CL-FSRD-NO-03 CAS No: NA Mol Wt: 289.34 Mol F: C15H19N3O3 Inv Status: Custom Synthesis
Chemical Name: 3-nitroso-8-phenethyl-1-oxa-3,8-diazaspiro[4.5]decan-2-one
N-Nitroso Fenspiride Impurity 2
CAT No: CL-FSRD-NO-04 CAS No: NA Mol Wt: 480.65 Mol F: C28H40N4O3 Inv Status: Custom Synthesis
Chemical Name: N,N-bis((4-hydroxy-1-phenethylpiperidin-4-yl)methyl)nitrous amide
N-Nitroso Fenspiride Impurity 3
CAT No: CL-FSRD-NO-05 CAS No: NA Mol Wt: 159.19 Mol F: C6H13N3O2 Inv Status: Custom Synthesis
Chemical Name: 4-(aminomethyl)-1-nitrosopiperidin-4-ol
N-Nitroso Fenspiride Impurity 4
CAT No: CL-FSRD-NO-06 CAS No: NA Mol Wt: 155.16 Mol F: C6H9N3O2 Inv Status: Custom Synthesis
Chemical Name: 4-hydroxy-1-nitrosopiperidine-4-carbonitrile
N-Nitroso Fenspiride Impurity 5
CAT No: CL-FSRD-NO-07 CAS No: NA Mol Wt: 128.13 Mol F: C5H8N2O2 Inv Status: In Stock
Chemical Name: 1-nitrosopiperidin-4-one
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