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Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Ketotifen Fumarate and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Ketotifen Fumarate 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 Ketotifen Fumarate-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-KTFR-01
CAS No: 34580-14-8
Mol Wt: 309.4 : 116.1
Mol F: C19H19NOS : C4H4O4
Inv Status:Custom Synthesis
CAT No:  CL-KTFR-02
CAS No: ?4673-38-5
Mol Wt: 293.4
Mol F: C19H19NS
Inv Status:Custom Synthesis
CAT No:  CL-KTFR-03
CAS No: 59743-88-3
Mol Wt: 341.5
Mol F: C20H23NO2S
Inv Status:Custom Synthesis
CAT No:  CL-KTFR-04
CAS No: 126939-27-3
Mol Wt: 327.4
Mol F: C19H21NO2S
Inv Status:Custom Synthesis
CAT No:  CL-KTFR-05
CAS No: 88456-70-6
Mol Wt: 325.4
Mol F: C19H19NO2S
Inv Status:Custom Synthesis
CAT No:  CL-KTFR-06
CAS No: 1346603-71-1
Mol Wt: 309.4
Mol F: C19H19NOS
Inv Status:Custom Synthesis
CAT No:  CL-KTFR-07
CAS No: 43076-16-0
Mol Wt: 323.4
Mol F: C19H17NO2S
Inv Status:Custom Synthesis
CAT No:  CL-KTFR-08
CAS No: 5570-77-4
Mol Wt: 133.6
Mol F: C6H12ClN
Inv Status:In Stock
CAT No:  CL-KTFR-09
CAS No: 34580-09-1
Mol Wt: 309.4
Mol F: C19H19NOS
Inv Status:Custom Synthesis
CAT No:  CL-KTFR-10
CAS No: 4506-57-4
Mol Wt: 311.4
Mol F: C19H21NOS
Inv Status:Custom Synthesis
CAT No:  CL-KTFR-11
CAS No: NA
Mol Wt: 411.5
Mol F: C22H21NO5S
Inv Status:Custom Synthesis
CAT No:  CL-KTFR-12
CAS No: NA
Mol Wt: 329.8
Mol F: C18H16ClNOS
Inv Status:Custom Synthesis
CAT No:  CL-KTFR-13
CAS No: NA
Mol Wt: 329.8
Mol F: C18H16ClNOS
Inv Status:Custom Synthesis
CAT No:  CL-KTFR-14
CAS No: 1622-55-5
Mol Wt: 214.3
Mol F: C13H10OS
Inv Status:Custom Synthesis
CAT No:  CL-KTFR-15
CAS No: ?4506-53-0
Mol Wt: 212.3
Mol F: C13H8OS
Inv Status:Custom Synthesis
CAT No:  CL-KTFR-16
CAS No: 126939-25-1
Mol Wt: 291.2
Mol F: C13H7BrOS
Inv Status:Custom Synthesis
CAT No:  CL-KTFR-17
CAS No: 59743-84-9
Mol Wt: 242.3
Mol F: C14H10O2S
Inv Status:Custom Synthesis
CAT No:  CL-KTFR-18
CAS No: 34580-11-5
Mol Wt: 291.2
Mol F: C13H7BrOS
Inv Status:Custom Synthesis
CAT No:  CL-KTFR-19
CAS No: 34580-10-4
Mol Wt: 372.1
Mol F: C13H8Br2OS
Inv Status:Custom Synthesis
CAT No:  CL-KTFR-20
CAS No: 43076-89-7
Mol Wt: 323.2
Mol F: C14H11BrO2S
Inv Status:Custom Synthesis
CAT No:  CL-KTFR-21
CAS No: 111428-56-9
Mol Wt: 321.2
Mol F: C14H9BrO2S
Inv Status:Custom Synthesis
CAT No:  CL-KTFR-22
CAS No: 1795138-23-6
Mol Wt: 312.4 : 116.1
Mol F: C19H16D3NOS : C4H4O4
Inv Status:Custom Synthesis
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