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Pharmaceutical Reference Standards

Tadalafil

Picture of Tadalafil
CAT No: SZ-T007001
CAS No: 171596-29-5
Mol.F. : C22H19N3O4
Mol.Wt. : 389.4
Inv. Status: In Stock
SZ-T007001
CAS No:171596-29-5
Mol.F.: C22H19N3O4
Mol.Wt.: 389.4
Inv. Status: In Stock

Tadalafil EP Impurity A

Picture of Tadalafil EP Impurity A
CAT No: SZ-T007002
CAS No: 171596-27-3
Mol.F. : C22H19N3O4
Mol.Wt. : 389.4
Inv. Status: In Stock
SZ-T007002
CAS No:171596-27-3
Mol.F.: C22H19N3O4
Mol.Wt.: 389.4
Inv. Status: In Stock

Tadalafil EP Impurity B

Picture of Tadalafil EP Impurity B
CAT No: SZ-T007003
CAS No: 629652-72-8
Mol.F. : C22H19N3O4
Mol.Wt. : 389.4
Inv. Status: In Stock
SZ-T007003
CAS No:629652-72-8
Mol.F.: C22H19N3O4
Mol.Wt.: 389.4
Inv. Status: In Stock

Tadalafil EP Impurity C

Picture of Tadalafil EP Impurity C
CAT No: SZ-T007004
CAS No: NA
Mol.F. : C22H19N3O4 : HCl : 3H2O
Mol.Wt. : 389.4 : 36.5 : 3(18.0)
Inv. Status: In Stock
SZ-T007004
CAS No:NA
Mol.F.: C22H19N3O4 : HCl : 3H2O
Mol.Wt.: 389.4 : 36.5 : 3(18.0)
Inv. Status: In Stock

Tadalafil EP Impurity D

Picture of Tadalafil EP Impurity D
CAT No: SZ-T007005
CAS No: NA
Mol.F. : C22H19N3O6
Mol.Wt. : 421.4
Inv. Status: Under Synthesis
SZ-T007005
CAS No:NA
Mol.F.: C22H19N3O6
Mol.Wt.: 421.4
Inv. Status: Under Synthesis

Tadalafil EP Impurity E

Picture of Tadalafil EP Impurity E
CAT No: SZ-T007006
CAS No: 1978322-99-4
Mol.F. : C22H19N3O6
Mol.Wt. : 421.4
Inv. Status: In Stock
SZ-T007006
CAS No:1978322-99-4
Mol.F.: C22H19N3O6
Mol.Wt.: 421.4
Inv. Status: In Stock

Tadalafil EP Impurity F

Picture of Tadalafil EP Impurity F
CAT No: SZ-T007007
CAS No: 2747958-44-5
Mol.F. : C22H19N3O6
Mol.Wt. : 421.4
Inv. Status: In Stock
SZ-T007007
CAS No:2747958-44-5
Mol.F.: C22H19N3O6
Mol.Wt.: 421.4
Inv. Status: In Stock

Tadalafil EP Impurity G

Picture of Tadalafil EP Impurity G
CAT No: SZ-T007008
CAS No: 2520114-46-7
Mol.F. : C22H17N3O5
Mol.Wt. : 403.4
Inv. Status: In Stock
SZ-T007008
CAS No:2520114-46-7
Mol.F.: C22H17N3O5
Mol.Wt.: 403.4
Inv. Status: In Stock

Tadalafil EP Impurity H

Picture of Tadalafil EP Impurity H
CAT No: SZ-T007009
CAS No: 1978322-98-3
Mol.F. : C22H19N3O6
Mol.Wt. : 421.4
Inv. Status: In Stock
SZ-T007009
CAS No:1978322-98-3
Mol.F.: C22H19N3O6
Mol.Wt.: 421.4
Inv. Status: In Stock

Tadalafil EP Impurity I

Picture of Tadalafil EP Impurity I
CAT No: SZ-T007010
CAS No: 2378614-29-8
Mol.F. : C22H19N3O5
Mol.Wt. : 405.4
Inv. Status: In Stock
SZ-T007010
CAS No:2378614-29-8
Mol.F.: C22H19N3O5
Mol.Wt.: 405.4
Inv. Status: In Stock

Tadalafil N-Desmethyl N-Amino Impurity

Picture of Tadalafil N-Desmethyl N-Amino Impurity
CAT No: SZ-T007011
CAS No: 1093940-69-2
Mol.F. : C21H18N4O4
Mol.Wt. : 390.3
Inv. Status: Custom Synthesis
SZ-T007011
CAS No:1093940-69-2
Mol.F.: C21H18N4O4
Mol.Wt.: 390.3
Inv. Status: Custom Synthesis

Tadalafil Intermediate 1

Picture of Tadalafil Intermediate 1
CAT No: SZ-T007012
CAS No: 14907-27-8
Mol.F. : C12H14N2O2 : HCl
Mol.Wt. : 218.3 : 36.5
Inv. Status: In Stock
SZ-T007012
CAS No:14907-27-8
Mol.F.: C12H14N2O2 : HCl
Mol.Wt.: 218.3 : 36.5
Inv. Status: In Stock

Tadalafil Impurity 1

Picture of Tadalafil Impurity 1
CAT No: SZ-T007013
CAS No: 171752-68-4
Mol.F. : C20H18N2O4 : HCl
Mol.Wt. : 350.4 : 36.5
Inv. Status: In Stock
Rel. CAS No : 171596-41-1 (free base)
SZ-T007013
CAS No:171752-68-4
Mol.F.: C20H18N2O4 : HCl
Mol.Wt.: 350.4 : 36.5
Inv. Status: In Stock
Rel. CAS No : 171596-41-1 (free base)

Tadalafil Chloroacetyle Impurity

Picture of Tadalafil Chloroacetyle Impurity
CAT No: SZ-T007014
CAS No: 171489-59-1
Mol.F. : C22H19ClN2O5
Mol.Wt. : 426.9
Inv. Status: In Stock
SZ-T007014
CAS No:171489-59-1
Mol.F.: C22H19ClN2O5
Mol.Wt.: 426.9
Inv. Status: In Stock

Tadalafil EP Impurity A & C Mixture

Picture of Tadalafil EP Impurity A & C Mixture
CAT No: SZ-T007015
CAS No: NA
Mol.F. : C22H19N3O4
Mol.Wt. : 389.4
Inv. Status: Limited Stock
SZ-T007015
CAS No:NA
Mol.F.: C22H19N3O4
Mol.Wt.: 389.4
Inv. Status: Limited Stock

Tadalafil Impurity 2

Picture of Tadalafil Impurity 2
CAT No: SZ-T007016
CAS No: 171596-43-3
Mol.F. : C20H18N2O4
Mol.Wt. : 350.4
Inv. Status: Custom Synthesis
SZ-T007016
CAS No:171596-43-3
Mol.F.: C20H18N2O4
Mol.Wt.: 350.4
Inv. Status: Custom Synthesis

Tadalafil Impurity 3

Picture of Tadalafil Impurity 3
CAT No: SZ-T007017
CAS No: 2520114-84-3
Mol.F. : C21H19N3O4
Mol.Wt. : 377.4
Inv. Status: Custom Synthesis
SZ-T007017
CAS No:2520114-84-3
Mol.F.: C21H19N3O4
Mol.Wt.: 377.4
Inv. Status: Custom Synthesis

Tadalafil Impurity 4

Picture of Tadalafil Impurity 4
CAT No: SZ-T007018
CAS No: NA
Mol.F. : C21H19N3O4
Mol.Wt. : 377.4
Inv. Status: Custom Synthesis
SZ-T007018
CAS No:NA
Mol.F.: C21H19N3O4
Mol.Wt.: 377.4
Inv. Status: Custom Synthesis

Tadalafil Impurity 5

Picture of Tadalafil Impurity 5
CAT No: SZ-T007019
CAS No: 1797099-86-5
Mol.F. : C21H19N3O4
Mol.Wt. : 377.4
Inv. Status: Custom Synthesis
SZ-T007019
CAS No:1797099-86-5
Mol.F.: C21H19N3O4
Mol.Wt.: 377.4
Inv. Status: Custom Synthesis

Tadalafil Impurity 6

Picture of Tadalafil Impurity 6
CAT No: SZ-T007020
CAS No: 20850-43-5
Mol.F. : C8H7ClO2
Mol.Wt. : 170.6
Inv. Status: Custom Synthesis
SZ-T007020
CAS No:20850-43-5
Mol.F.: C8H7ClO2
Mol.Wt.: 170.6
Inv. Status: Custom Synthesis

Tadalafil Impurity 7

Picture of Tadalafil Impurity 7
CAT No: SZ-T007021
CAS No: 749864-17-3
Mol.F. : C20H18N2O4
Mol.Wt. : 350.4
Inv. Status: Custom Synthesis
SZ-T007021
CAS No:749864-17-3
Mol.F.: C20H18N2O4
Mol.Wt.: 350.4
Inv. Status: Custom Synthesis

Tadalafil Impurity 8

Picture of Tadalafil Impurity 8
CAT No: SZ-T007022
CAS No: NA
Mol.F. : C24H20ClN3O5
Mol.Wt. : 465.9
Inv. Status: Custom Synthesis
SZ-T007022
CAS No:NA
Mol.F.: C24H20ClN3O5
Mol.Wt.: 465.9
Inv. Status: Custom Synthesis

Tadalafil Impurity 9

Picture of Tadalafil Impurity 9
CAT No: SZ-T007023
CAS No: 7797-83-3
Mol.F. : C8H6O3
Mol.Wt. : 150.1
Inv. Status: Custom Synthesis
SZ-T007023
CAS No:7797-83-3
Mol.F.: C8H6O3
Mol.Wt.: 150.1
Inv. Status: Custom Synthesis

Tadalafil Impurity 10

Picture of Tadalafil Impurity 10
CAT No: SZ-T007024
CAS No: 495-76-1
Mol.F. : C8H8O3
Mol.Wt. : 152.1
Inv. Status: Custom Synthesis
SZ-T007024
CAS No:495-76-1
Mol.F.: C8H8O3
Mol.Wt.: 152.1
Inv. Status: Custom Synthesis

Tadalafil Impurity 11

Picture of Tadalafil Impurity 11
CAT No: SZ-T007025
CAS No: 769-30-2
Mol.F. : C8H8O3
Mol.Wt. : 152.1
Inv. Status: Custom Synthesis
SZ-T007025
CAS No:769-30-2
Mol.F.: C8H8O3
Mol.Wt.: 152.1
Inv. Status: Custom Synthesis

Tadalafil Impurity 12

Picture of Tadalafil Impurity 12
CAT No: SZ-T007026
CAS No: 326-61-4
Mol.F. : C10H10O4
Mol.Wt. : 194.2
Inv. Status: Custom Synthesis
SZ-T007026
CAS No:326-61-4
Mol.F.: C10H10O4
Mol.Wt.: 194.2
Inv. Status: Custom Synthesis

Tadalafil Nitroso Impurity 1

Picture of Tadalafil Nitroso Impurity 1
CAT No: SZ-T007027
CAS No: NA
Mol.F. : C22H18N4O5
Mol.Wt. : 418.4
Inv. Status: Under Synthesis
SZ-T007027
CAS No:NA
Mol.F.: C22H18N4O5
Mol.Wt.: 418.4
Inv. Status: Under Synthesis

Tadalafil Impurity 13

Picture of Tadalafil Impurity 13
CAT No: SZ-T007028
CAS No: NA
Mol.F. : C24H20Cl2N2O6
Mol.Wt. : 503.3
Inv. Status: Custom Synthesis
SZ-T007028
CAS No:NA
Mol.F.: C24H20Cl2N2O6
Mol.Wt.: 503.3
Inv. Status: Custom Synthesis

Tadalafil Impurity 14

Picture of Tadalafil Impurity 14
CAT No: SZ-T007029
CAS No: NA
Mol.F. : C22H21N3O5
Mol.Wt. : 407.4
Inv. Status: Custom Synthesis
SZ-T007029
CAS No:NA
Mol.F.: C22H21N3O5
Mol.Wt.: 407.4
Inv. Status: Custom Synthesis

Tadalafil Impurity 15

Picture of Tadalafil Impurity 15
CAT No: SZ-T007030
CAS No: 23434-88-0
Mol.F. : C17H23NO3
Mol.Wt. : 289.4
Inv. Status: Custom Synthesis
SZ-T007030
CAS No:23434-88-0
Mol.F.: C17H23NO3
Mol.Wt.: 289.4
Inv. Status: Custom Synthesis

Nor-Tadalafil

Picture of Nor-Tadalafil
CAT No: SZ-T007031
CAS No: 171596-36-4
Mol.F. : C21H17N3O4
Mol.Wt. : 375.4
Inv. Status: Custom Synthesis
SZ-T007031
CAS No:171596-36-4
Mol.F.: C21H17N3O4
Mol.Wt.: 375.4
Inv. Status: Custom Synthesis

Tadalafil Impurity 16

Picture of Tadalafil Impurity 16
CAT No: SZ-T007032
CAS No: 951661-82-8
Mol.F. : C20H19N3O3
Mol.Wt. : 349.4
Inv. Status: In Stock
SZ-T007032
CAS No:951661-82-8
Mol.F.: C20H19N3O3
Mol.Wt.: 349.4
Inv. Status: In Stock

Tadalafil Impurity 17

Picture of Tadalafil Impurity 17
CAT No: SZ-T007033
CAS No: 951661-84-0
Mol.F. : C22H20ClN3O4
Mol.Wt. : 425.9
Inv. Status: Custom Synthesis
SZ-T007033
CAS No:951661-84-0
Mol.F.: C22H20ClN3O4
Mol.Wt.: 425.9
Inv. Status: Custom Synthesis

Desmethylene Tadalafil

Picture of Desmethylene Tadalafil
CAT No: SZ-T007034
CAS No: 171489-03-5
Mol.F. : C21H19N3O4
Mol.Wt. : 377.4
Inv. Status: Custom Synthesis
SZ-T007034
CAS No:171489-03-5
Mol.F.: C21H19N3O4
Mol.Wt.: 377.4
Inv. Status: Custom Synthesis

Tadalafil Impurity 18

Picture of Tadalafil Impurity 18
CAT No: SZ-T007035
CAS No: 2169996-11-4
Mol.F. : C24H25N3O5
Mol.Wt. : 435.5
Inv. Status: Custom Synthesis
SZ-T007035
CAS No:2169996-11-4
Mol.F.: C24H25N3O5
Mol.Wt.: 435.5
Inv. Status: Custom Synthesis

(1S, 3S) Open Ring Tadalafil Impurity

Picture of (1S, 3S) Open Ring Tadalafil Impurity
CAT No: SZ-T007041
CAS No: 629652-42-2
Mol.F. : C22H19ClN2O5
Mol.Wt. : 426.9
Inv. Status: Custom Synthesis
SZ-T007041
CAS No:629652-42-2
Mol.F.: C22H19ClN2O5
Mol.Wt.: 426.9
Inv. Status: Custom Synthesis

Stable Isotopes And Metabolites

Tadalafil D3

Picture of Tadalafil D3
CAT No: SZ-T007D01
CAS No: 960226-55-5
Mol.F. : C22H16D3N3O4
Mol.Wt. : 392.4
Inv. Status: Custom Synthesis
SZ-T007D01
CAS No:960226-55-5
Mol.F.: C22H16D3N3O4
Mol.Wt.: 392.4
Inv. Status: Custom Synthesis

Possible Nitroso Standards

Tadalafil Nitroso Impurity 2

Picture of Tadalafil Nitroso Impurity 2
CAT No: SZ-T007036
CAS No: NA
Mol.F. : C12H14N2O2
Mol.Wt. : 218.3
Inv. Status: Custom Synthesis
SZ-T007036
CAS No:NA
Mol.F.: C12H14N2O2
Mol.Wt.: 218.3
Inv. Status: Custom Synthesis

Tadalafil Nitroso Impurity 3

Picture of Tadalafil Nitroso Impurity 3
CAT No: SZ-T007037
CAS No: NA
Mol.F. : C20H17N3O5
Mol.Wt. : 379.4
Inv. Status: Custom Synthesis
SZ-T007037
CAS No:NA
Mol.F.: C20H17N3O5
Mol.Wt.: 379.4
Inv. Status: Custom Synthesis

Tadalafil Nitroso Impurity 4

Picture of Tadalafil Nitroso Impurity 4
CAT No: SZ-T007038
CAS No: NA
Mol.F. : C20H17N3O5
Mol.Wt. : 379.4
Inv. Status: Custom Synthesis
SZ-T007038
CAS No:NA
Mol.F.: C20H17N3O5
Mol.Wt.: 379.4
Inv. Status: Custom Synthesis

Tadalafil Nitroso Impurity 5

Picture of Tadalafil Nitroso Impurity 5
CAT No: SZ-T007039
CAS No: NA
Mol.F. : C20H16N4O6
Mol.Wt. : 408.4
Inv. Status: Custom Synthesis
SZ-T007039
CAS No:NA
Mol.F.: C20H16N4O6
Mol.Wt.: 408.4
Inv. Status: Custom Synthesis

N-Nitroso Tadalafil Chloroacetyle Impurity

Picture of N-Nitroso Tadalafil Chloroacetyle Impurity
CAT No: SZ-T007040
CAS No: NA
Mol.F. : C22H18ClN3O6
Mol.Wt. : 455.9
Inv. Status: Custom Synthesis
SZ-T007040
CAS No:NA
Mol.F.: C22H18ClN3O6
Mol.Wt.: 455.9
Inv. Status: Custom Synthesis