Impurity Reference Standard - Products

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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.

Carprofen USP Related Compound A

CAT No: CL-CPFN-01 CAS No: 86-74-8 Mol Wt: 167.2 Mol F: C12H9N? Inv Status: Custom Synthesis

Chemical Name: 9H-Carbazole ; Dibenzopyrrole ; Diphenylenimine

Carprofen

CAT No: CL-CPFN-02 CAS No: 53716-49-7 Mol Wt: 273.7 Mol F: C15H12ClNO2 Inv Status: Custom Synthesis

Chemical Name: (2RS)-2-(6-Chloro-9H-carbazol-2-yl)propanoic acid (as per EP) ; (?)-6-Chloro-?-methylcarbazole-2-acetic acid

Carprofen EP Impurity A

CAT No: CL-CPFN-03 CAS No: 252288-17-8 Mol Wt: 317.7 Mol F: C16H12ClNO4 Inv Status: Custom Synthesis

Chemical Name: 2-(6-chloro-9H-carbazol-2-yl)-2-methylpropanedioic acid

Carprofen EP Impurity B

CAT No: CL-CPFN-04 CAS No: 52263-68-0 Mol Wt: 239.3 Mol F: C15H13NO2 Inv Status: Custom Synthesis

Chemical Name: (2RS)-2-(9H-carbazol-2-yl)propanoic acid

Carprofen EP Impurity C

CAT No: CL-CPFN-05 CAS No: 92841-21-9 Mol Wt: 245.7 Mol F: C14H12ClNO Inv Status: Custom Synthesis

Chemical Name: (1RS)-1-(6-chloro-9H-carbazol-2-yl)ethan-1-ol

Carprofen EP Impurity D

CAT No: CL-CPFN-06 CAS No: 92841-22-0 Mol Wt: 243.7 Mol F: C14H10ClNO Inv Status: Custom Synthesis

Chemical Name: 1-(6-chloro-9H-carbazol-2-yl)ethan-1-one

Carprofen EP Impurity E

CAT No: CL-CPFN-07 CAS No: 2732-25-4 Mol Wt: 201.7 Mol F: C12H8ClN Inv Status: Custom Synthesis

Chemical Name: 3-chloro-9H-carbazole

Carprofen EP Impurity F

CAT No: CL-CPFN-08 CAS No: 71208-55-4 Mol Wt: 373.8 Mol F: C20H20ClNO4 Inv Status: Custom Synthesis

Chemical Name: Diethyl 2-(6-chloro-9H-carbazol-2-yl)-2-methylpropanedioate

Carprofen EP Impurity G

CAT No: CL-CPFN-09 CAS No: 52262-89-2 Mol Wt: 301.8 Mol F: C17H16ClNO2 Inv Status: Custom Synthesis

Chemical Name: Ethyl (2RS)-2-(6-chloro-9H-carbazol-2-yl)propanoate

Carprofen EP Impurity H

CAT No: CL-CPFN-10 CAS No: 92841-23-1 Mol Wt: 229.7 Mol F: C14H12ClN Inv Status: Custom Synthesis

Chemical Name: 6-Chloro-2-ethyl-9H-carbazole

Carprofen D3

CAT No: CL-CPFN-11 CAS No: 1173019-42-5 Mol Wt: 276.7 Mol F: C15H9D3ClNO2 Inv Status: Custom Synthesis

Chemical Name: 2-(6-Chloro-9H-carbazol-2-yl)propanoic-3,3,3-d3 acid

Carprofen Impurity 1

CAT No: CL-CPFN-12 CAS No: 1808312-15-3 Mol Wt: 345.8 Mol F: C18H16ClNO4 Inv Status: Custom Synthesis

Chemical Name: Dimethyl 2-(6-chloro-9H-carbazol-2-yl)-2-methylmalonate

Carprofen Impurity 2

CAT No: CL-CPFN-13 CAS No: 114041-35-9 Mol Wt: 319.8 Mol F: C17H18ClNO3 Inv Status: Custom Synthesis

Chemical Name: 1-(6-Chloro-9H-carbazol-2-yl)-1,1-dimethoxypropan-2-ol

Carprofen Impurity 3

CAT No: CL-CPFN-14 CAS No: 114041-34-8 Mol Wt: 334.2 Mol F: C17H13Cl2NO2 Inv Status: Custom Synthesis

Chemical Name: 1-(9-Acetyl-6-chloro-9H-carbazol-2-yl)-2-chloropropan-1-one

Type:Impurity Reference Standard

Total Products: 14

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