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Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Carprofen and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Carprofen 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 Carprofen-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 Carprofen Impurity 3
CAT No: CL-CPFN-NO-01 CAS No: NA Mol Wt: 302.71 Mol F: C15H11ClN2O3 Inv Status: Custom Synthesis
Chemical Name: 2-(6-chloro-9-nitroso-9H-carbazol-2-yl)propanoic acid
N-Nitroso Carprofen Impurity A
CAT No: CL-CPFN-NO-02 CAS No: NA Mol Wt: 346.72 Mol F: C16H11ClN2O5 Inv Status: Custom Synthesis
Chemical Name: 2-(6-chloro-9-nitroso-9H-carbazol-2-yl)-2-methylmalonic acid
N-Nitroso Carprofen Impurity B
CAT No: CL-CPFN-NO-03 CAS No: NA Mol Wt: 268.27 Mol F: C15H12N2O3 Inv Status: Custom Synthesis
Chemical Name: 2-(9-nitroso-9H-carbazol-2-yl)propanoic acid
N-Nitroso Carprofen Impurity C
CAT No: CL-CPFN-NO-04 CAS No: NA Mol Wt: 274.7 Mol F: C14H11ClN2O2 Inv Status: Custom Synthesis
Chemical Name: 1-(6-chloro-9-nitroso-9H-carbazol-2-yl)ethan-1-ol
N-Nitroso Carprofen Impurity D
CAT No: CL-CPFN-NO-05 CAS No: NA Mol Wt: 272.69 Mol F: C14H9ClN2O2 Inv Status: Custom Synthesis
Chemical Name: 1-(6-chloro-9-nitroso-9H-carbazol-2-yl)ethan-1-one
N-Nitroso Carprofen Impurity E
CAT No: CL-CPFN-NO-06 CAS No: NA Mol Wt: 230.65 Mol F: C12H7ClN2O Inv Status: Custom Synthesis
Chemical Name: 3-chloro-9-nitroso-9H-carbazole
N-Nitroso Carprofen Impurity F
CAT No: CL-CPFN-NO-07 CAS No: NA Mol Wt: 402.83 Mol F: C20H19ClN2O5 Inv Status: Custom Synthesis
Chemical Name: Diethyl 2-(6-chloro-9-nitroso-9H-carbazol-2-yl)-2-methylmalonate
N-Nitroso Carprofen Impurity G
CAT No: CL-CPFN-NO-08 CAS No: NA Mol Wt: 330.77 Mol F: C17H15ClN2O3 Inv Status: Custom Synthesis
Chemical Name: Ethyl 2-(6-chloro-9-nitroso-9H-carbazol-2-yl)propanoate
N-Nitroso Carprofen Impurity H
CAT No: CL-CPFN-NO-09 CAS No: NA Mol Wt: 258.71 Mol F: C14H11ClN2O Inv Status: Custom Synthesis
Chemical Name: 6-chloro-2-ethyl-9-nitroso-9H-carbazole
N-Nitroso Carprofen Impurity 1
CAT No: CL-CPFN-NO-10 CAS No: NA Mol Wt: 374.78 Mol F: C18H15ClN2O5 Inv Status: Custom Synthesis
Chemical Name: Dimethyl 2-(6-chloro-9-nitroso-9H-carbazol-2-yl)-2-methylmalonate
N-Nitroso Carprofen Impurity 2
CAT No: CL-CPFN-NO-11 CAS No: NA Mol Wt: 348.78 Mol F: C17H17ClN2O4 Inv Status: Custom Synthesis
Chemical Name: 1-(6-chloro-9-nitroso-9H-carbazol-2-yl)-1,1-dimethoxypropan-2-ol
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