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Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Naratriptan and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Naratriptan 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 Naratriptan-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 Naratriptan Impurity 1
CAT No: CL-NRTP-NO-01 CAS No: NA Mol Wt: 350.1 Mol F: C16H22N4O3S Inv Status: Custom Synthesis
Chemical Name: N-methyl-2-(3-(1-nitrosopiperidin-4-yl)-1H-indol-5-yl)ethanesulfonamide
N-Nitroso-Naratriptan Impurity A
CAT No: CL-NRTP-NO-02 CAS No: NA Mol Wt: 229.28 Mol F:  C13H15N3O Inv Status: Custom Synthesis
Chemical Name: 3-(1-nitrosopiperidin-4-yl)-1H-indole
N-Nitroso-Naratriptan Impurity B
CAT No: CL-NRTP-NO-03 CAS No: NA Mol Wt: 348.42 Mol F: C16H20N4O3S Inv Status: Custom Synthesis
Chemical Name: N-methyl-2-(3-(1-nitroso-1,2,3,6-tetrahydropyridin-4-yl)-1H-indol-5-yl)ethane-1-sulfonamide
N-Nitroso Naratriptan
CAT No: CL-NRTP-NO-04 CAS No: 1216880-64-6 Mol Wt: 364.5 Mol F: C17H24N4O3S? Inv Status: Custom Synthesis
Chemical Name:  N-Methyl-2-(3-(1-methylpiperidin-4-yl)-1-nitroso-1H-indol-5-yl)ethane-1-sulfonamide
N-Nitroso Naratriptan Impurity 2
CAT No: CL-NRTP-NO-05 CAS No: NA Mol Wt: 576.8 Mol F: C31H40N6O3S Inv Status: Custom Synthesis
Chemical Name: N-methyl-2-(3-(1- methylpiperidin-4-yl)-1-nitroso-1H- indol-5-yl)-2-(3-(1-methylpiperidin-4- yl)-1H-indol-5-yl)ethane-1-sulfonamide
N-Nitroso Naratriptan Impurity 3
CAT No: CL-NRTP-NO-06 CAS No: NA Mol Wt: 486.33 Mol F: C17H19IN4O3S Inv Status: Custom Synthesis
Chemical Name:  1-methyl-4-(5-(2-(N- methylsulfamoyl)ethyl)-1-nitroso-1H- indol-3-yl)pyridin-1-ium iodide
N-Nitroso Naratriptan Impurity 4
CAT No: CL-NRTP-NO-07 CAS No: NA Mol Wt: 485.6 Mol F:  C20H31N5O5S2 Inv Status: Custom Synthesis
Chemical Name: N-methyl-2-(3-(1- methylpiperidin-4-yl)-1-nitroso-1H- indol-5-yl)-N-(2-(N- methylsulfamoyl)ethyl)ethane-1- sulfonamide
N-Nitroso Naratriptan Impurity 5
CAT No: CL-NRTP-NO-08 CAS No: NA Mol Wt: 394.9 Mol F: C17H19ClN4O3S Inv Status: Custom Synthesis
Chemical Name: 1-methyl-4-(5-(2-(N- methylsulfamoyl)ethyl)-1-nitroso-1H- indol-3-yl)pyridin-1-ium chloride
N-Nitroso Naratriptan Impurity 6
CAT No: CL-NRTP-NO-09 CAS No: NA Mol Wt: 271.4 Mol F: C16H21N3O Inv Status: Custom Synthesis
Chemical Name:  5-ethyl-3-(1- methylpiperidin-4-yl)-1-nitroso-1H- indole
N-Nitroso Naratriptan Impurity 7
CAT No: CL-NRTP-NO-10 CAS No: NA Mol Wt: 414.9 Mol F: C18H27ClN4O3S Inv Status: Custom Synthesis
Chemical Name: 1,1-dimethyl-4-(5- (2-(N-methylsulfamoyl)ethyl)-1- nitroso-1H-indol-3-yl)piperidin-1-ium chloride
N-Nitroso Naratriptan Impurity 8
CAT No: CL-NRTP-NO-11 CAS No: NA Mol Wt: 444.9 Mol F: C18H25ClN4O5S Inv Status: Custom Synthesis
Chemical Name: 3-(1-methylpiperidin- 4-yl)-5-(2-(N-methylsulfamoyl)ethyl)- 1-nitroso-1H-indole-2-carboxylic acid hydrochloride
N-Nitroso Naratriptan Impurity 9
CAT No: CL-NRTP-NO-12 CAS No: NA Mol Wt: 471.6 Mol F: C19H29N5O5S2 Inv Status: Custom Synthesis
Chemical Name: 1-((2-(3-(1- methylpiperidin-4-yl)-1-nitroso-1H- indol-5-yl)ethyl)sulfonamido)propane- 2-sulfonamide
N-Nitroso Naratriptan Impurity 10
CAT No: CL-NRTP-NO-13 CAS No: NA Mol Wt: 362.4 Mol F: C17H22N4O3S Inv Status: Custom Synthesis
Chemical Name: (E)-N-methyl-2-(3- (1-methylpiperidin-4-yl)-1-nitroso-1H- indol-5-yl)ethene-1-sulfonamide
N-Nitroso Naratriptan Impurity 11
CAT No: CL-NRTP-NO-14 CAS No: NA Mol Wt: 367.5 Mol F: C17H21D3N4O3S Inv Status: Custom Synthesis
Chemical Name: N-methyl-2-(3-(1- (methyl-d3)piperidin-4-yl)-1-nitroso- 1H-indol-5-yl)ethane-1-sulfonamide
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