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Sildenafil Citrate CAS No. 171599-83-0 C22H30N6O4S. C6H8O7 M.W. 474.59 192.13 S-061
 | Sildenafil EP Impurity F (N-Desmethyl Sildenafil) CAS No. 139755-82-1 C21H28N6O4S M.W. 460.55 S-062
 | Sildenafil-d8 CAS No. 139755-83-2 (non-labelled) C22H22D8N6O4S M.W. 482.63 S-063
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Acetildenafil (Hongdenafil) CAS No. 831217-01-7 C25H34N6O3 M.W. 466.59 S-0621
 | Homosildenafil CAS No. 642928-07-2 C23H32N6O4S M.W. 488.61 S-065
 | Norneo-Sildenafil CAS No. 371959-09-0 C22H29N5O4S M.W. 459.57 S-066
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Hydroxyhomo Sildenafil CAS No. 139755-85-4 C23H32N6O5S M.W. 504.61 S-067
 | Thiosildenafil CAS No. 479073-79-5 C22H30N6O3S2 M.W. 490.64 S-068
 | Thiohomo Sildenafil CAS No. 479073-80-8 C23H32N6O3S2 M.W. 504.67 S-069
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Hydroxythiohomo Sildenafil CAS No. 479073-82-0 C23H32N6O4S2 M.W. 520.67 S-0611
 | Dimethyl Sildenafil CAS No. 496835-35-9 C23H32N6O4S M.W. 488.61 S-0612
 | N-Desethyl Acetildenafil CAS No. 147676-55-9 C23H30N6O3 M.W. 438.53 S-0613
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Hydroxy Acetildenafil CAS No. 147676-56-0 C25H34N6O4 M.W. 482.59 S-0614
 | Piperiacetildenafil CAS No. 147676-50-4 C24H31N5O3 M.W. 437.54 S-0616
 | Acetil Acid CAS No. 147676-78-6 C18H20N4O4 M.W. 356.38 S-0617
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Carbodenafil CAS No. 944241-52-5 C24H32N6O3 M.W. 452.56 S-0618
 | Gendenafil CAS No. 147676-66-2 C19H22N4O3 M.W. 354.41 S-0619
 | Imidazosagatriazinone CAS No. 139756-21-1 C17H20N4O2 M.W. 312.37 S-0620
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Sildenafil EP Impurity F-d8 (N-Desmethyl Sildenafil-d8) CAS No. 1185168-06-2 C21H20N6O4SD8 M.W. 468.60 S-064
 | Thiodimethyl Sildenafil (Thioaildenafill, Sulfoaildenafil) CAS No. 856190-47-1 C23H32N6O3S2 M.W. 504.67 S-0622
 | Pyrazole N-Desmethyl Sildenafil CAS No. 139755-95-6 C21H28N6O4S M.W. 460.55 S-0623
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Sildenafil Related Compound 3 (PDE-5 Inhibitor) CAS No. 1393816-99-3 C21H30N6O4S M.W. 462.57 S-0624
 | Sildenafil Amide CAS No. 139756-01-7 C8H12N4O3 M.W. 212.21 S-0625
 | Sildenafil Amine HCl CAS No. 247584-10-7 C8H14N4O. HCl M.W. 182.23 36.46 S-0626
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Sildenafil Coupled CAS No. 139756-03-9 C17H22N4O3 M.W. 330.39 S-0627
 | Sildenafil Chlorosulfonyl CAS No. 139756-22-2 C17H19ClN4O4S M.W. 410.87 S-0628
 | Sildenafil HCl CAS No. 252920-86-8 C22H30N6O4S. HCl M.W. 474.59 36.46 S-0629
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Sildenafil CAS No. 139755-83-2 C22H30N6O4S M.W. 474.58 S-0652
 | Sildenafil EP Impurity G (Sildenafil Dimer Impurity) CAS No. 1346602-67-2 C38H46N10O8S2 M.W. 834.97 S-0630
 | Benzyl Sildenafil CAS No. 1446089-82-2 C28H34N6O4S M.W. 550.68 S-0631
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Nitrodenafil CAS No. N/A C17H19N5O4 M.W. 357.37 S-0632
 | Chlorodenafil CAS No. 1058653-74-9 C19H21ClN4O3 M.W. 388.86 S-0633
 | Hydroxy Chlorodenafil CAS No. 1391054-00-4 C19H23ClN4O3 M.W. 390.87 S-0634
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Dimethyl Acetildenafil CAS No. 1290041-88-1 C25H34N6O3 M.W. 466.59 S-0638
 | Oxohongdenafil CAS No. 1446144-70-2 C25H32N6O4 M.W. 480.57 S-0639
 | Dioxohongdenafil CAS No. 1609405-33-5 C25H30N6O5 M.W. 494.56 S-0640
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Lodenafil Carbonate CAS No. 398507-55-6 C47H62N12O11S2 M.W. 1035.21 S-0641
 | Cyclopentynafil CAS No. 1173706-34-7 C26H36N6O4S M.W. 528.68 S-0636
 | Cinnamyldenafil CAS No. 1446089-83-3 C32H38N6O3 M.W. 554.70 S-0637
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Nitroso-prodenafil CAS No. 1266755-08-1 C27H35N9O5S2 M.W. 629.77 S-0645
 | Desmethyl Carbodenafil CAS No. 147676-79-7 C23H30N6O3 M.W. 438.53 S-0642
 | Sildenafil Analogue II CAS No. 1391053-82-9 C24H34N6O4S M.W. 502.64 S-0643
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Sildenafil EP Impurity D CAS No. 1357931-55-5 C17H20N4O5S M.W. 392.43 S-0644
 | Sildenafil EP Impurity A (Isobutyl Sildenafil) CAS No. 1391053-95-4 C23H32N6O4S M.W. 488.61 S-0646
 | Sildenafil Impurity 27 C24H34N6O3S2 M.W. 518.70 S-0649
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Sildenafil Impurity 14 CAS No. 2146091-79-2 C24H32N6OS2 M.W. 484.68 S-0650
 | Nor-Acetildenafil CAS No. 949091-38-7 C24H32N6O3 M.W. 452.56 S-0615
 | Sildenafil EP Impurity C (O-Desethyl Sildenafil) CAS No. 139755-91-2 C20H26N6O4S M.W. 446.53 S-0651
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Sildenafil Impurity 15 (Isomer of Isobutyl Sildenafil) C23H32N6O4S M.W. 488.61 S-0653
 | Propoxyphenyl Sildenafil CAS No. 877777-10-1 C23H32N6O4S M.W. 488.61 S-0648
 | Sildenafil Impurity ((1-methyl-4-Nitro -3-n-propyl pyrazole-5- carboxylic acid) C8H11N3O4 M.W. 213.19 S-0654
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Sildenafil EP Impurity B (Sildenafil N-Oxide) CAS No. 1094598-75-0 C22H30N6O5S M.W. 490.58 S-0655
 | Propoxyphenyl Hydroxyhomo Sildenafil CAS No. 139755-87-6 C24H34N6O5S M.W. 518.63 S-0656
 | Sildenafil Analogue I (Propoxyphenyl-Thiohydroxyhomo Sildenafil) CAS No. 479073-90-0 C24H34N6O4S2 M.W. 534.69 S-0657
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Propoxyphenyl Thiosildenafil CAS No. 479073-87-5 C23H32N6O3S2 M.W. 504.67 S-0658
 | Sildenafil Citrate CAS No. 171599-83-0 C22H30N6O4S. C6H8O7 M.W. 474.59 192.13 PF-0017
 | Depiperazinothio Sildenafil CAS No. 1353018-10-6 C17H20N4O4S2 M.W. 408.49 S-0659
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Propoxyphenyl Thiohomo Sildenafil CAS No. 479073-88-6 C24H34N6O3S2 M.W. 518.70 S-0660
 | Sildenafil Related Compound 2 C25H36N6O4S M.W. 516.67 S-0661
 | Dithio-Desethyl Carbodenafil CAS No. 1610830-81-3 C22H28N6OS2 M.W. 456.63 S-0662
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Dithio-Desmethyl Carbodenafil CAS No. 1333233-46-7 C23H30N6OS2 M.W. 470.65 S-0635
 | Sildenafil Impurity 16 C18H22N4O5S M.W. 406.46 S-0663
 | Aminothiosildenafil C21H29N7O3S2 M.W. 491.64 S-0664
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Desmethyl Thiosildenafil CAS No. 479073-86-4 C21H28N6O3S2 M.W. 476.62 S-0665
 | Propoxyphenyl Thioaildenafil CAS No. 856190-49-3 C24H34N6O3S2 M.W. 518.70 S-0666
 | Benzyl Sildenafil-d5 C28H29N6O4SD5 M.W. 555.72 S-0667
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Hydroxythiohomosildenafil-d4 C23H28N6O4S2D4 M.W. 524.70 S-0668
 | Cinnamyldenafil-d8 C31H28N6O3D8 M.W. 548.72 S-0669
 | Homosildenafil-d5 C23H27N6O4SD5 M.W. 493.64 S-0670
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Hydroxyhomosildenafil-d4 C23H28N6O5SD4 M.W. 508.64 S-0671
 | Chlorodenafil-d5 C19H16ClN4O3D5 M.W. 393.89 S-0672
 | Hydroxychlorodenafil-d5 C19H18ClN4O3D5 M.W. 395.90 S-0673
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Cyclopentynafil-d5 C26H31N6O4SD5 M.W. 533.71 S-0674
 | Dimethylacetildenafil-d5 C25H29N6O3D5 M.W. 471.62 S-0675
 | Gendenafil-d5 C19H17N4O3D5 M.W. 359.44 S-0677
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Imidazosagatriazinone-d5 C17H15N4O2D5 M.W. 317.4 S-0678
 | Norneovardenafil-d5 C18H15N4O4D5 M.W. 361.41 S-0679
 | Nitrodenafil-d5 C17H14N5O4D5 M.W. 362.40 S-0680
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Lodenafilcarbonate-d16 C47H46N12O11S2D16 M.W. 1051.3 S-0681
 | Oxohongdenafil-d5 C25H27N6O4D5 M.W. 485.60 S-0682
 | Propoxyphenyl Thioaildenafil-d7 C24H27N6O3S2D7 M.W. 525.75 S-0683
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Propoxyphenyl Thiohomosidenafil-d5 C24H29N6O3S2D5 M.W. 523.74 S-0684
 | Propoxyphenyl-Thiosildenafil-d8 C23H24N6O3S2D8 M.W. 512.73 S-0685
 | Propoxyphenyl-Thiohydroxyhomosildenafil-d4 C24H30N6O4S2D4 M.W. 538.73 S-0686
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Thiohomosildenafil-d5 C23H27N6O3S2D5 M.W. 509.71 S-0687
 | Thiosildenafil-d8 C22H22N6O3S2D8 M.W. 498.7 S-0688
 | Sildenafil Impurity 1 CAS No. 845302-49-0 C17H22N4O2 M.W. 314.39 S-0689
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Sildenafil Impurity 2 CAS No. 332374-42-2 C14H20N2O4S M.W. 312.39 S-0690
 | Sildenafil Impurity 3 CAS No. 332374-45-5 C22H32N6O4S M.W. 476.60 S-0691
 | Acetil Acid-d5 C18H15N4O4D5 M.W. 361.41 S-0692
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Acetidenafil-d5 (Hongdenafil-d5) C25H29N6O3D5 M.W. 471.62 S-0693
 | Hydroxyhongdenafil-d4 (Hydroxy Acetidenafil-d4) CAS No. 147676-56-0 (non-d) C25H30N6O4D4 M.W. 486.61 S-0694
 | Piperidino Acetildenafil-d5 C23H24N5O3D5 M.W. 428.55 S-0695
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Carbodenafil-d5 C24H27N6O3D5 M.W. 457.59 S-0696
 | Desmethyl Carbodenafil-d8 C23H22N6O3D8 M.W. 446.58 S-0697
 | Dimethylsildenafil-d5 C23H27N6O4SD5 M.W. 493.64 S-0698
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DimethylThiosildenafil-d5 C23H27N6O3S2D5 M.W. 509.71 S-0699
 | Homo Sildenafil-d5 C23H27N6O4SD5 M.W. 493.64 S-06100
 | Dichlorodenafil-d5 CAS No. 1446089-84-4 (non-d) C19H15Cl2N4O2D5 M.W. 412.33 S-06106
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Amino Sildenafil CAS No. 319491-68-4 C18H23N5O4S M.W. 405.47 S-06102
 | Desethyl Carbodenafil CAS No. 1027192-92-2 C22H28N6O3 M.W. 424.51 S-06103
 | Descarbon Sildenafil CAS No. 466684-88-8 C20H28N6O4S M.W. 448.54 S-06104
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Descarbon Sildenafil-d3 C20H25N6O4SD3 M.W. 451.57 S-06105
 | Sildenafil Impurity 4 (Iso Sildenafil) CAS No. 253178-46-0 C22H30N6O4S M.W. 474.59 S-06107
 | Sildenafil Impurity 5 C8H12N4O2 M.W. 196.21 S-06108
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Sildenafil Impurity 6 C8H14N4O2 M.W. 198.23 S-06109
 | Hydroxythio Acetildenafil CAS No. 1159977-47-5 C25H34N6O3S M.W. 498.65 S-06110
 | Dichlorodenafil CAS No. 1446089-84-4 C19H20Cl2N4O2 M.W. 407.30 S-06111
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Sildenafil Impurity 7 C21H30N6O5S M.W. 478.57 S-06112
 | Sildenafil Impurity 8 C21H30N6O5S M.W. 478.57 S-06113
 | Sildenafil Impurity 9 C9H16N4O M.W. 196.25 S-06114
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Sildenafil Impurity 10 CAS No. 358388-58-6 C19H21BrN4O3 M.W. 433.31 S-06115
 | Sildenafil Impurity 11 CAS No. 1260112-90-0 C24H32N6O4S2 M.W. 532.68 S-06116
 | Sildenafil Impurity 12 C25H34N6OS2 M.W. 498.71 S-06117
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N-Desmethyl Sildenafil N-Glucuronide Sodium Salt C27H35N6O10S. Na M.W. 635.68 22.99 S-06118
 | N-Desmethyl Sildenafil N-Glucuronide Amadori Rearrangement Impurity C27H36N6O10S M.W. 636.69 S-06119
 | Sildenafil Impurity 17 CAS No. 1621873-33-3 C25H36N6O4S M.W. 516.66 S-06120
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Sildenafil Impurity 18 (Dithiopropylcarbodenafil) CAS No. 2196244-90-1 C25H34N6OS2 M.W. 498.71 S-06121
 | N-Boc-N-Desethyl Acetildenafil CAS No. 1246820-46-1 C28H38N6O5 M.W. 538.65 S-06122
 | Piperazonifil CAS No. 1335201-04-1 C25H34N6O4 M.W. 482.59 S-06123
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Mutaprodenafil CAS No. 1387577-30-1 C27H35N9O5S2 M.W. 629.76 S-06124
 | Sildenafil Impurity 19 C19H26N6O4S M.W. 434.52 S-06125
 | Sildenafil Impurity 20 C17H21N5O4S M.W. 391.45 S-06126
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Sildenafil Impurity 21 C17H22N4O6S M.W. 410.45 S-06127
 | Sildenafil Impurity 22 CAS No. 200575-15-1 C22H32N6O5S M.W. 492.60 S-06128
 | Sildenafil Impurity 23 C22H32N6O5S M.W. 492.60 S-06129
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Sildenafil Impurity 24 C17H22N4O6S M.W. 410.45 S-06130
 | Sildenafil Impurity 25 CAS No. 2021224-02-0 C9H10O6S M.W. 246.23 S-06131
 | Sildenafil Impurity 26 C5H12N2O2S M.W. 164.22 S-06132
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