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Tadalafil is a phosphodiesterase type 5 (PDE5) inhibitor that enhances erectile function by increasing cyclic GMP levels and promoting blood flow to the penis. It is commonly used to treat erectile dysfunction, benign prostatic hyperplasia, and pulmonary arterial hypertension. Its prolonged duration of action distinguishes it from other medications in the same class.
Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Tadalafil and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Tadalafil 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 Tadalafil-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-TDF-01
CAS No: 171596-29-5
Mol Wt: 389.4
Mol F: C22H19N3O4
Inv Status:Custom Synthesis
CAT No: CL-TDF-02
CAS No:  171596-27-3
Mol Wt: 389.4
Mol F: C22H19N3O4
Inv Status:Custom Synthesis
CAT No: CL-TDF-03
CAS No: 629652-72-8
Mol Wt: 389.4
Mol F: C22H19N3O4
Inv Status:Custom Synthesis
CAT No: CL-TDF-04
CAS No: NA
Mol Wt: 389.4 : 36.5 : 3(18.0)
Mol F: C22H19N3O4 : HCl : 3(H2O)
Inv Status:Custom Synthesis
CAT No: CL-TDF-05
CAS No: NA
Mol Wt: 421.4
Mol F: C22H19N3O6
Inv Status:Custom Synthesis
CAT No: CL-TDF-06
CAS No: 1978322-99-4
Mol Wt: 421.4
Mol F: C22H19N3O6
Inv Status:Custom Synthesis
CAT No: CL-TDF-07
CAS No: 2747958-44-5
Mol Wt: 421.4
Mol F: C22H19N3O6
Inv Status:Custom Synthesis
CAT No: CL-TDF-08
CAS No: 2520114-46-7
Mol Wt: 403
Mol F: C22H17N3O5
Inv Status:Custom Synthesis
CAT No: CL-TDF-09
CAS No: 1978322-98-3
Mol Wt: 421.5
Mol F: C22H19N3O6
Inv Status:Custom Synthesis
CAT No: CL-TDF-10
CAS No: 2378614-29-8
Mol Wt: 405.4
Mol F: C22H19N3O5 : H2O
Inv Status:Custom Synthesis
CAT No: CL-TDF-11
CAS No: 1093940-69-2
Mol Wt: 390.3
Mol F: C21H18N4O4S
Inv Status:Custom Synthesis
CAT No: CL-TDF-12
CAS No:  14907-27-8
Mol Wt: 218.3 : 36.5
Mol F: C12H14N2O2 : HCl
Inv Status:Custom Synthesis
CAT No: CL-TDF-13
CAS No: 171752-68-4
Mol Wt: 350.4:36.5
Mol F: C20H18N2O4 : HCl
Inv Status:In Stock
CAT No: CL-TDF-14
CAS No:  171489-59-1
Mol Wt: 409
Mol F: C22H19ClN2O5
Inv Status:Custom Synthesis
CAT No: CL-TDF-15
CAS No: NA
Mol Wt: 389.4
Mol F: C22H19N3O4
Inv Status:Custom Synthesis
CAT No: CL-TDF-16
CAS No:  171596-43-3
Mol Wt: 350.4
Mol F: C20H18N2O4
Inv Status:Custom Synthesis
CAT No: CL-TDF-17
CAS No: 951661-81-7
Mol Wt: 425.9
Mol F: C22H20ClN3O4
Inv Status:In Stock
CAT No: CL-TDF-18
CAS No: 171596-41-1
Mol Wt: 350.37
Mol F: C20H18N2O4
Inv Status:In Stock
CAT No: CL-TDF-19
CAS No: 951661-82-8
Mol Wt: 349.4
Mol F: C20H19N3O3
Inv Status:In Stock
CAT No: CL-TDF-20
CAS No: 171596-42-2
Mol Wt: 350.37
Mol F: C20H18N2O4
Inv Status:In Stock
CAT No: CL-TDF-21
CAS No: 629652-44-4
Mol Wt: 426.85
Mol F: C22H19ClN2O5
Inv Status:In Stock
CAT No: CL-TDF-22
CAS No: 629652-40-0
Mol Wt: NA
Mol F: NA
Inv Status:Custom Synthesis
CAT No: CL-TDF-23
CAS No: 7797-83-3
Mol Wt: 150.1
Mol F: C8H6O3
Inv Status:Custom Synthesis
CAT No: CL-TDF-24
CAS No: 495-76-1
Mol Wt: 152.1
Mol F: C8H8O3
Inv Status:Custom Synthesis
CAT No: CL-TDF-25
CAS No: 769-30-2
Mol Wt: 152.1
Mol F: C8H8O3
Inv Status:Custom Synthesis
CAT No: CL-TDF-26
CAS No: 326-61-4
Mol Wt: 194.2
Mol F: C10H10O4
Inv Status:Custom Synthesis
CAT No: CL-TDF-27
CAS No: NA
Mol Wt: 503.3
Mol F: C24H20Cl2N2O6
Inv Status:Custom Synthesis
CAT No: CL-TDF-28
CAS No: NA
Mol Wt: 407.4
Mol F: C22H21N3O5
Inv Status:Custom Synthesis
CAT No: CL-TDF-29
CAS No: 23434-88-0
Mol Wt: 289.4
Mol F: C17H23NO3
Inv Status:Custom Synthesis
CAT No: CL-TDF-31
CAS No: 951661-84-0
Mol Wt: 425.9
Mol F: C22H20ClN3O4
Inv Status:Custom Synthesis
CAT No: CL-TDF-32
CAS No: 2169996-11-4
Mol Wt: 435.5
Mol F: C24H25N3O5
Inv Status:Custom Synthesis
CAT No: CL-TDF-33
CAS No: 171596-36-4
Mol Wt: 375.4
Mol F: C21H17N3O4
Inv Status:Custom Synthesis
CAT No: CL-TDF-34
CAS No: 171489-03-5
Mol Wt: 377.4
Mol F: C21H19N3O4
Inv Status:Custom Synthesis
CAT No: CL-TDF-35
CAS No: 629652-42-2
Mol Wt: 426.9
Mol F: C22H19ClN2O5
Inv Status:Custom Synthesis
CAT No: CL-TDF-36
CAS No: 474668-76-3
Mol Wt: 336.3 : 36.5
Mol F: C19H16N2O4 : HCl
Inv Status:Custom Synthesis
CAT No: CL-TDF-37
CAS No: 2058231-08-4
Mol Wt: 412.8
Mol F: C21H17ClN2O5
Inv Status:Custom Synthesis
CAT No: CL-TDF-38
CAS No: NA
Mol Wt: 405.4 : 18.0
Mol F: C22H19N3O5 : H2O
Inv Status:Custom Synthesis
CAT No: CL-TDF-40
CAS No: 59259-90-4
Mol Wt: 196.2
Mol F: C10H12O4
Inv Status:Custom Synthesis
CAT No: CL-TDF-41
CAS No: NA
Mol Wt: 404.4
Mol F: C22H18N3O5
Inv Status:Custom Synthesis
CAT No: CL-TDF-42
CAS No: 951395-08-7
Mol Wt: 308.1 : 195.2
Mol F: C14H7Cl2NO3 : C7H17NO5
Inv Status:Custom Synthesis
CAT No: CL-TDF-43
CAS No: 619-14-7
Mol Wt: 183.1
Mol F: C7H5NO5
Inv Status:Custom Synthesis
CAT No: CL-TDF-44
CAS No: 2789-92-6
Mol Wt: 206
Mol F: C7H5Cl2NO2
Inv Status:Custom Synthesis
CAT No: CL-TDF-45
CAS No: 1184581-58-5
Mol Wt: 326.1
Mol F: C14H9Cl2NO4
Inv Status:Custom Synthesis
CAT No: CL-TDF-46
CAS No:  1507158-86-2
Mol Wt: 308.1
Mol F: C14H7Cl2NO3
Inv Status:Custom Synthesis
CAT No: CL-TDF-47
CAS No: 1521571-08-3
Mol Wt: 372.7
Mol F: C14H8ClNO3
Inv Status:Custom Synthesis
CAT No: CL-TDF-48
CAS No: 1395964-06-3
Mol Wt: 322.1
Mol F: C15H9Cl2NO3
Inv Status:Custom Synthesis
CAT No: CL-TDF-49
CAS No: 1179721-81-3
Mol Wt: 291.7
Mol F: C14H10ClNO4
Inv Status:Custom Synthesis
CAT No: CL-TDF-50
CAS No: 2905-67-1
Mol Wt: 205
Mol F: C8H6Cl2O2
Inv Status:Custom Synthesis
CAT No: CL-TDF-51
CAS No: 1018498-30-0
Mol Wt: 273.7
Mol F: C14H8ClNO3
Inv Status:Custom Synthesis
CAT No: CL-TDF-52
CAS No: NA
Mol Wt: 484.2
Mol F: C20H15Cl2NO9
Inv Status:Custom Synthesis
CAT No: CL-TDF-53
CAS No: 2058231-08-4
Mol Wt: 412.8
Mol F: C21H17ClN2O5
Inv Status:Custom Synthesis
CAT No: CL-TDF-54
CAS No: 27738-46-1
Mol Wt: 196.2
Mol F: C9H8O5
Inv Status:Custom Synthesis
CAT No: CL-TDF-55
CAS No: 321862-32-2
Mol Wt: 346.3
Mol F: C20H14N2O4
Inv Status:Custom Synthesis
CAT No: CL-TDF-56
CAS No: NA
Mol Wt: 364.4
Mol F: C21H20N2O4
Inv Status:Custom Synthesis
CAT No: CL-TDF-57
CAS No: NA
Mol Wt: 368.8
Mol F: C20H17ClN2O3
Inv Status:Custom Synthesis
CAT No: CL-TDF-58
CAS No: 1158945-78-8
Mol Wt: 364.4
Mol F: C21H20N2O4
Inv Status:Custom Synthesis
CAT No: CL-TDF-59
CAS No: 2520114-84-3
Mol Wt: 377.4
Mol F: C21H19N3O4
Inv Status:Custom Synthesis
CAT No: CL-TDF-60
CAS No: NA
Mol Wt: 377.4
Mol F: C21H19N3O4
Inv Status:Custom Synthesis
CAT No: CL-TDF-61
CAS No: 20850-43-5
Mol Wt: 170.6
Mol F: C8H7ClO2
Inv Status:Custom Synthesis
CAT No: CL-TDF-62
CAS No: 749864-17-3
Mol Wt: 350.4
Mol F: C20H18N2O4
Inv Status:Custom Synthesis
CAT No: CL-TDF-63
CAS No: 2520114-95-6
Mol Wt: 465.9
Mol F: C24H20ClN3O5
Inv Status:Custom Synthesis
CAT No: CL-TDF-64
CAS No: 960226-55-5
Mol Wt: 392.4
Mol F: C22H16D3N3O4
Inv Status:Custom Synthesis
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