Sildenafil Impurity IV-1

Sildenafil citrate
CAT #: S31566
CAS #: 171599-83-0
M.F .: C22H30N6O4S.C6H8O7
M.W .: 474.59 192.13

N-Desmethyl Sildenafil
CAT #: S31567
CAS #: 139755-82-1
M.F .: C21H28N6O4S
M.W .: 460.56

Acetildenafil (Hongdenafil)
CAT #: S31568
CAS #: 831217-01-7
M.F .: C25H34N6O3
M.W .: 466.59

Homosildenafil
CAT #: S31569
CAS #: 642928-07-2
M.F .: C23H32N6O4S
M.W .: 488.61

Norneosildenafil
CAT #: S31570
CAS #: 371959-09-0
M.F .: C22H29N5O4S
M.W .: 459.57

Hydroxyhomo Sildenafil
CAT #: S31571
CAS #: 139755-85-4
M.F .: C23H32N6O5S
M.W .: 504.61

Thiosildenafil
CAT #: S31572
CAS #: 479073-79-5
M.F .: C22H30N6O3S2
M.W .: 490.65

Thiohomosildenafil
CAT #: S31573
CAS #: 479073-80-8
M.F .: C23H32N6O3S2
M.W .: 504.68

Hydroxythiohomosildenafil
CAT #: S31574
CAS #: N/A
M.F .: C23H32N6O4S2
M.W .: 520.68

Dimethyl Sildenafil
CAT #: S31575
CAS #: 1416130-63-6
M.F .: C23H32N6O4S
M.W .: 488.61

N-Desmethyl Acetildenafil
CAT #: S31576
CAS #: 147676-55-9
M.F .: C23H30N6O3
M.W .: 438.53

Hydroxyacetildenafil
CAT #: S31577
CAS #: 147676-56-0
M.F .: C25H34N6O4
M.W .: 482.59

Piperiacetildenafil
CAT #: S31578
CAS #: 147676-50-4
M.F .: C24H31N5O3
M.W .: 437.55

Acetil Acid
CAT #: S31579
CAS #: 147676-78-6
M.F .: C18H20N4O4
M.W .: 356.38

Carbodenafil
CAT #: S31580
CAS #: 944241-52-5
M.F .: C24H32N6O3
M.W .: 452.56

Gendenafil
CAT #: S31581
CAS #: 147676-66-2
M.F .: C19H22N4O3
M.W .: 354.41

Imidazosagatriazinone
CAT #: S31582
CAS #: N/A
M.F .: C17H20N4O2
M.W .: 312.37

Thiodimethyl Sildenafil (Thioaildenafill, Sulfoaildenafil)
CAT #: S31583
CAS #: 1260112-90-0
M.F .: C23H32N6O3S2
M.W .: 504.68

Pyrazole N-Desmethyl Sildenafil
CAT #: S31584
CAS #: 139755-95-6
M.F .: C21H28N6O4S
M.W .: 460.56

PDE-5 Inhibitor (Sildenafil Related Compound)
CAT #: S31585
CAS #: N/A
M.F .: C21H30N6O4S
M.W .: 462.58

Sildenafil Amide
CAT #: S31586
CAS #: 139756-01-7
M.F .: C8H12N4O3
M.W .: 212.21

Sildenafil Amine HCl
CAT #: S31587
CAS #: 247584-10-7
M.F .: C8H14N4O. HCl
M.W .: 182.23 36.46

Sildenafil Coupled
CAT #: S31588
CAS #: 139756-03-9
M.F .: C17H22N4O3
M.W .: 330.39

Sildenafil chlorosulfonyl
CAT #: S31589
CAS #: 139756-22-2
M.F .: C17H19ClN4O4S
M.W .: 410.88

Sildenafil HCl
CAT #: S31590
CAS #: 252920-86-8
M.F .: C22H30N6O4S. HCl
M.W .: 474.59 36.46

Sildenafil
CAT #: S31591
CAS #: 139755-83-2
M.F .: C22H30N6O4S
M.W .: 474.59

Sildenafil Dimer Impurity
CAT #: S31592
CAS #: 1346602-67-2
M.F .: C38H46N10O8S2
M.W .: 834.98

Benzyl Sildenafil
CAT #: S31593
CAS #: 1446089-82-2
M.F .: C28H34N6O4S
M.W .: 550.68

Nitrodenafil
CAT #: S31594
CAS #: N/A
M.F .: C17H19N5O4
M.W .: 357.37

Chlorodenafil
CAT #: S31595
CAS #: 1058653-74-9
M.F .: C19H21ClN4O3
M.W .: 388.86

Hydroxychlorodenafil
CAT #: S31596
CAS #: 1391054-00-4
M.F .: C19H23ClN4O3
M.W .: 390.87

Dimethyl Acetildenafil
CAT #: S31597
CAS #: 1290041-88-1
M.F .: C25H34N6O3
M.W .: 466.59

Oxohongdenafil
CAT #: S31598
CAS #: 1446144-70-2
M.F .: C25H32N6O4
M.W .: 480.57

Dioxohongdenafil
CAT #: S31599
CAS #: 1609405-33-5
M.F .: C25H30N6O5
M.W .: 494.56

Lodenafilcarbonate
CAT #: S31600
CAS #: 398507-55-6
M.F .: C47H62N12O11S2
M.W .: 1035.22

Cyclopentynafil
CAT #: S31601
CAS #: N/A
M.F .: C26H36N6O4S
M.W .: 528.68

Cinnamyldenafil
CAT #: S31602
CAS #: 1446089-83-3
M.F .: C32H38N6O3
M.W .: 554.70

Nitroso-prodenafil
CAT #: S31603
CAS #: N/A
M.F .: C27H35N9O5S2
M.W .: 629.77

Desmethyl Carbodenafil
CAT #: S31604
CAS #: 147676-79-7
M.F .: C23H30N6O3
M.W .: 438.53

Sildenafil Analogue {5-(5-(3,5-dimethyl-1-piperazinyl)sulfonyl]-2-
CAT #: S31605
CAS #: 1391053-82-9
M.F .: C24H34N6O4S
M.W .: 502.64

Sildenafil EP Impurity D
CAT #: S31606
CAS #: 1357931-55-5
M.F .: C17H20N4O5S
M.W .: 392.44

Sildenafil Impurity A
CAT #: S31607
CAS #: 1391053-95-4
M.F .: C23H32N6O4S
M.W .: 488.61

Sildenafil Analogue III
CAT #: S31608
CAS #: N/A
M.F .: C24H34N6O3S2
M.W .: 518.70

Sildenafil Related Compound
CAT #: S31609
CAS #: N/A
M.F .: C24H32N6OS2
M.W .: 484.69

Nor-acetildenafil
CAT #: S31610
CAS #: 949091-38-7
M.F .: C24H32N6O3
M.W .: 452.56

O-Desethyl Sildenafil (Sildenafil Impurity C)
CAT #: S31611
CAS #: 139755-91-2
M.F .: C20H26N6O4S
M.W .: 446.53

Sildenafil Impurity A Related Compound (Isomer of Isobutyl Sildenafil)
CAT #: S31612
CAS #: N/A
M.F .: C23H32N6O4S
M.W .: 488.61

Propoxyphenyl Sildenafil
CAT #: S31613
CAS #: 877777-10-1
M.F .: C23H32N6O4S
M.W .: 488.61

Sildenafil Impurity 33
CAT #: S31614
CAS #: 139756-00-6
M.F .: C8H11N3O4
M.W .: 213.19

Sildenafil N-Oxide
CAT #: S31615
CAS #: 1094598-75-0
M.F .: C22H30N6O5S
M.W .: 490.59

Propoxyphenyl-Hydroxyhomosildenafil
CAT #: S31616
CAS #: N/A
M.F .: C24H34N6O5S
M.W .: 518.64

Sildenafil Analogue I (Propoxyphenyl-Thiohydroxyhomosildenafil)
CAT #: S31617
CAS #: 479073-90-0
M.F .: C24H34N6O4S2
M.W .: 534.70

Propoxyphenyl-Thiosildenafil
CAT #: S31618
CAS #: N/A
M.F .: C23H32N6O3S2
M.W .: 504.68

Depiperazinothiosildenafil
CAT #: S31619
CAS #: N/A
M.F .: C17H20N4O4S2
M.W .: 408.50

Propoxyphenyl Thiohomosidenafil
CAT #: S31620
CAS #: 479073-88-6
M.F .: C24H34N6O3S2
M.W .: 518.70

Sildenafil Related Compound 2
CAT #: S31621
CAS #: N/A
M.F .: C25H36N6O4S
M.W .: 516.67

Dithio-Desethyl Carbodenafil
CAT #: S31622
CAS #: N/A
M.F .: C22H28N6OS2
M.W .: 456.64

Dithio-Desmethyl Carbodenafil
CAT #: S31623
CAS #: N/A
M.F .: C23H30N6OS2
M.W .: 470.66

Aminothiosildenafil
CAT #: S31625
CAS #: N/A
M.F .: C21H29N7O3S2
M.W .: 491.64

Desmethyl Thiosildenafil
CAT #: S31626
CAS #: 479073-86-4
M.F .: C21H28N6O3S2
M.W .: 476.62

Propoxyphenyl Thioaildenafil
CAT #: S31627
CAS #: 856190-49-3
M.F .: C24H34N6O3S2
M.W .: 518.70

Dimethylacetildenafil
CAT #: S31628
CAS #: N/A
M.F .: C25H34N6O3
M.W .: 466.59

Sildenafil Impurity 1
CAT #: S06009
CAS #: 2512206-40-3
M.F : C18H22N4O5S
M.W : 406.46

Sildenafil Impurity 2
CAT #: S31630
CAS #: 332374-42-2
M.F .: C14H20N2O4S
M.W .: 312.39

Sildenafil Impurity 3
CAT #: S31631
CAS #: 332374-45-5
M.F .: C22H32N6O4S
M.W .: 476.60

Amino Sildenafil
CAT #: S31632
CAS #: 319491-68-4
M.F .: C18H23N5O4S
M.W .: 405.48

Desethyl Carbodenafil
CAT #: S31633
CAS #: 1027192-92-2
M.F .: C22H28N6O3
M.W .: 424.51

Descarbon Sildenafil
CAT #: S31634
CAS #: 466684-88-8
M.F .: C20H28N6O4S
M.W .: 448.55

Sildenafil Impurity 4
CAT #: S01753
CAS #: N/A
M.F : C17H22N4O6S
M.W : 410.45

Sildenafil Impurity 5
CAT #: S01754
CAS #: 864164-45-4
M.F : C23H32N6O4S
M.W : 488.61

Sildenafil Impurity 6
CAT #: S31637
CAS #: N/A
M.F .: C8H14N4O2
M.W .: 198.23

Sildenafil impurity 22
CAT #: S06010
CAS #: N/A
M.F : C19H24N4O5S
M.W : 420.48

Sildenafil Impurity ZI
CAT #: S11767
CAS #: N/A
M.F : C11H14O6S
M.W : 274.29

Sildenafil Impurity V-1
CAT #: S11765
CAS #: 263897-17-2
M.F : C21H30N6O5S
M.W : 478.57

Sildenafil Impurity IV-3
CAT #: S11763
CAS #: N/A
M.F : C13H18N2O5S C6H15N HCl
M.W : 314.36 101.19 36.46

Sildenafil Impurity Ⅳ-4
CAT #: S11764
CAS #: N/A
M.F : C12H16N2O5S C6H15N HCl
M.W : 300.33 101.19 36.46

Sildenafil Impurity C2
CAT #: S10094
CAS #: 300547-20-0
M.F : C21H30N6O5S
M.W : 478.57

Sildenafil Impurity ZJ
CAT #: S11768
CAS #: N/A
M.F : C13H18O6S
M.W : 302.34

Sildenafil Impurity Ⅳ-2
CAT #: S10428
CAS #: N/A
M.F : C22H26N2O10S2 2×C6H15N
M.W : 542.57 2×101.19

Sildenafil Impurity 6 HCl
CAT #: S01755
CAS #: N/A
M.F : C9H16N4O HCl
M.W : 196.25 36.46

Sildenafil Impurity SM2
CAT #: S01565
CAS #: 202066-14-6
M.F : C10H15N3O4
M.W : 241.25

Sildenafil Impurity E
CAT #: S11766
CAS #: 263897-18-3
M.F : C21H28N6O4S
M.W : 460.55

Sildenafil Impurity IV-1
CAT #: S02124
CAS #: 1308332-48-0
M.F : C13H18N2O5S
M.W : 314.36

Sildenafil Impurity 9
CAT #: S22212
CAS #: N/A
M.F : C21H28N4O5S
M.W : 448.54

N-Desmethyl Sildenafil HCl
CAT #: S12787
CAS #: 139755-82-1（free base）
M.F : C21H28N6O4S HCl
M.W : 460.56 36.46

Sildenafil Impurity 32
CAT #: S13205
CAS #: 360068-47-9
M.F : C8H10ClN3O3
M.W : 231.64

Sildenafil Impurity 7
CAT #: S13261
CAS #: 76424-56-1
M.F : C7H12N4O
M.W : 168.2

Sildenafil Impurity 10
CAT #: S13262
CAS #: 1185292-79-8
M.F : C8H13N3O
M.W : 167.21

Sildenafil Impurity 11
CAT #: S13263
CAS #: 304435-83-4
M.F : C10H17N3O2
M.W : 211.27

Sildenafil Impurity 12
CAT #: S13264
CAS #: 1441-87-8
M.F : C7H5ClO2
M.W : 156.57

Sildenafil Impurity 23
CAT #: S13492
CAS #: NA
M.F : C17H20N4O5S
M.W : 392.43

Sildenafil Impurity 14
CAT #: S14418
CAS #: 1643-19-2
M.F : C16H36N Br
M.W : 242.47 79.90

Sildenafil N-Oxide HCl
CAT #: S15458
CAS #: 1094598-75-0(free base)
M.F : C22H30N6O5S HCl
M.W : 490.58 36.46

Sildenafil Impurity 13
CAT #: S15486
CAS #: 133261-07-1
M.F : C10H16N2O2
M.W : 196.25

Sildenafil Impurity 24
CAT #: S16854
CAS #: 1971915-89-5
M.F : C19H24N4O5S
M.W : 420.48

Sildenafil Impurity 25
CAT #: S16914
CAS #: 200575-15-1
M.F : C22H32N6O5S
M.W : 492.6

Sildenafil Impurity 15 Trihydrate
CAT #: S18082
CAS #: 87749-50-6
M.F : C16H36N F 3×H2O
M.W : 242.47 19 3×18.02

Sildenafil Impurity 26
CAT #: P18161
CAS #: 911715-34-9
M.F : C9H14N4O3
M.W : 226.24

Sildenafil Impurity 27
CAT #: S18245
CAS #: NA
M.F : C17H22N4O4S
M.W : 378.45

Sildenafil Impurity 29
CAT #: S18485
CAS #: 2021224-02-0
M.F : C9H10O6S
M.W : 246.23

Sildenafil Impurity 30
CAT #: S19780
CAS #: 1829588-57-9
M.F : C17H19ClN4O2
M.W : 346.82

Sildenafil Impurity 31
CAT #: S03003
CAS #: 139756-02-8
M.F : C8H14N4O
M.W : 182.23

CAT#:	S02124
Product Name:	Sildenafil Impurity IV-1
Synonyms:	2-ethoxy-5-(piperazin-1-ylsulfonyl)benzoic acid
M.F:	C13H18N2O5S
M.W:	314.36
CAS#:	1308332-48-0
Specification:	10mg/vial