TLC Pharmaceutical Standards

TLC Pharmaceutical Standards

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SILDENAFIL

S-06129

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Catalogue Number:	S-06129
Compound Name:	Sildenafil Impurity 23
Synonyms:
CAS#:
Alternate CAS#:
Molecular Formula:	C22H32N6O5S
Molecular Weight:	492.60

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CAS No. 171599-83-0

C22H30N6O4S. C6H8O7

M.W. 474.59 192.13

S-062

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Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

CAS No. 139755-82-1

C21H28N6O4S

M.W. 460.55

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Sildenafil-d8

CAS No. 139755-83-2 (non-labelled)

C22H22D8N6O4S

M.W. 482.63

S-0621

Sildenafil Citrate

Acetildenafil (Hongdenafil)

CAS No. 831217-01-7

C25H34N6O3

M.W. 466.59

S-065

Sildenafil Citrate

Homosildenafil

CAS No. 642928-07-2

C23H32N6O4S

M.W. 488.61

S-066

Sildenafil Citrate

Norneo-Sildenafil

CAS No. 371959-09-0

C22H29N5O4S

M.W. 459.57

S-067

Sildenafil Citrate

Hydroxyhomo Sildenafil

CAS No. 139755-85-4

C23H32N6O5S

M.W. 504.61

S-068

Sildenafil Citrate

Thiosildenafil

CAS No. 479073-79-5

C22H30N6O3S2

M.W. 490.64

S-069

Sildenafil Citrate

Thiohomo Sildenafil

CAS No. 479073-80-8

C23H32N6O3S2

M.W. 504.67

S-0611

Sildenafil Citrate

Hydroxythiohomo Sildenafil

CAS No. 479073-82-0

C23H32N6O4S2

M.W. 520.67

S-0612

Sildenafil Citrate

Dimethyl Sildenafil

CAS No. 496835-35-9

C23H32N6O4S

M.W. 488.61

S-0613

Sildenafil Citrate

N-Desethyl Acetildenafil

CAS No. 147676-55-9

C23H30N6O3

M.W. 438.53

S-0614

Sildenafil Citrate

Hydroxy Acetildenafil

CAS No. 147676-56-0

C25H34N6O4

M.W. 482.59

S-0616

Sildenafil Citrate

Piperiacetildenafil

CAS No. 147676-50-4

C24H31N5O3

M.W. 437.54

S-0617

Sildenafil Citrate

Acetil Acid

CAS No. 147676-78-6

C18H20N4O4

M.W. 356.38

S-0618

Sildenafil Citrate

Carbodenafil

CAS No. 944241-52-5

C24H32N6O3

M.W. 452.56

S-0619

Sildenafil Citrate

Gendenafil

CAS No. 147676-66-2

C19H22N4O3

M.W. 354.41

S-0620

Sildenafil Citrate

Imidazosagatriazinone

CAS No. 139756-21-1

C17H20N4O2

M.W. 312.37

S-064

Sildenafil Citrate

Sildenafil EP Impurity F-d8 (N-Desmethyl Sildenafil-d8)

CAS No. 1185168-06-2

C21H20N6O4SD8

M.W. 468.60

S-0622

Sildenafil Citrate

Thiodimethyl Sildenafil (Thioaildenafill, Sulfoaildenafil)

CAS No. 856190-47-1

C23H32N6O3S2

M.W. 504.67

S-0623

Sildenafil Citrate

Pyrazole N-Desmethyl Sildenafil

CAS No. 139755-95-6

C21H28N6O4S

M.W. 460.55

S-0624

Sildenafil Citrate

Sildenafil Related Compound 3 (PDE-5 Inhibitor)

CAS No. 1393816-99-3

C21H30N6O4S

M.W. 462.57

S-0625

Sildenafil Citrate

Sildenafil Amide

CAS No. 139756-01-7

C8H12N4O3

M.W. 212.21

S-0626

Sildenafil Citrate

Sildenafil Amine HCl

CAS No. 247584-10-7

C8H14N4O. HCl

M.W. 182.23 36.46

S-0627

Sildenafil Citrate

Sildenafil Coupled

CAS No. 139756-03-9

C17H22N4O3

M.W. 330.39

S-0628

Sildenafil Citrate

Sildenafil Chlorosulfonyl

CAS No. 139756-22-2

C17H19ClN4O4S

M.W. 410.87

S-0629

Sildenafil Citrate

Sildenafil HCl

CAS No. 252920-86-8

C22H30N6O4S. HCl

M.W. 474.59 36.46

S-0652

Sildenafil Citrate

Sildenafil

CAS No. 139755-83-2

C22H30N6O4S

M.W. 474.58

S-0630

Sildenafil Citrate

Sildenafil EP Impurity G (Sildenafil Dimer Impurity)

CAS No. 1346602-67-2

C38H46N10O8S2

M.W. 834.97

S-0631

Sildenafil Citrate

Benzyl Sildenafil

CAS No. 1446089-82-2

C28H34N6O4S

M.W. 550.68

S-0632

Sildenafil Citrate

Nitrodenafil

CAS No. N/A

C17H19N5O4

M.W. 357.37

S-0633

Sildenafil Citrate

Chlorodenafil

CAS No. 1058653-74-9

C19H21ClN4O3

M.W. 388.86

S-0634

Sildenafil Citrate

Hydroxy Chlorodenafil

CAS No. 1391054-00-4

C19H23ClN4O3

M.W. 390.87

S-0638

Sildenafil Citrate

Dimethyl Acetildenafil

CAS No. 1290041-88-1

C25H34N6O3

M.W. 466.59

S-0639

Sildenafil Citrate

Oxohongdenafil

CAS No. 1446144-70-2

C25H32N6O4

M.W. 480.57

S-0640

Sildenafil Citrate

Dioxohongdenafil

CAS No. 1609405-33-5

C25H30N6O5

M.W. 494.56

S-0641

Sildenafil Citrate

Lodenafil Carbonate

CAS No. 398507-55-6

C47H62N12O11S2

M.W. 1035.21

S-0636

Sildenafil Citrate

Cyclopentynafil

CAS No. 1173706-34-7

C26H36N6O4S

M.W. 528.68

S-0637

Sildenafil Citrate

Cinnamyldenafil

CAS No. 1446089-83-3

C32H38N6O3

M.W. 554.70

S-0645

Sildenafil Citrate

Nitroso-prodenafil

CAS No. 1266755-08-1

C27H35N9O5S2

M.W. 629.77

S-0642

Sildenafil Citrate

Desmethyl Carbodenafil

CAS No. 147676-79-7

C23H30N6O3

M.W. 438.53

S-0643

Sildenafil Citrate

Sildenafil Analogue II

CAS No. 1391053-82-9

C24H34N6O4S

M.W. 502.64

S-0644

Sildenafil Citrate

Sildenafil EP Impurity D

CAS No. 1357931-55-5

C17H20N4O5S

M.W. 392.43

S-0646

Sildenafil Citrate

Sildenafil EP Impurity A (Isobutyl Sildenafil)

CAS No. 1391053-95-4

C₂₃H₃₂N₆O₄S

M.W. 488.61

S-0649

Sildenafil Citrate

Sildenafil Impurity 27

C24H34N6O3S2

M.W. 518.70

S-0650

Sildenafil Citrate

Sildenafil Impurity 14

CAS No. 2146091-79-2

C24H32N6OS2

M.W. 484.68

S-0615

Sildenafil Citrate

Nor-Acetildenafil

CAS No. 949091-38-7

C24H32N6O3

M.W. 452.56

S-0651

Sildenafil Citrate

Sildenafil EP Impurity C (O-Desethyl Sildenafil)

CAS No. 139755-91-2

C20H26N6O4S

M.W. 446.53

S-0653

Sildenafil Citrate

Sildenafil Impurity 15 (Isomer of Isobutyl Sildenafil)

C23H32N6O4S

M.W. 488.61

S-0648

Sildenafil Citrate

Propoxyphenyl Sildenafil

CAS No. 877777-10-1

C23H32N6O4S

M.W. 488.61

S-0654

Sildenafil Citrate

Sildenafil Impurity ((1-methyl-4-Nitro -3-n-propyl pyrazole-5- carboxylic acid)

C8H11N3O4

M.W. 213.19

S-0655

Sildenafil Citrate

Sildenafil EP Impurity B (Sildenafil N-Oxide)

CAS No. 1094598-75-0

C22H30N6O5S

M.W. 490.58

S-0656

Sildenafil Citrate

Propoxyphenyl Hydroxyhomo Sildenafil

CAS No. 139755-87-6

C24H34N6O5S

M.W. 518.63

S-0657

Sildenafil Citrate

Sildenafil Analogue I (Propoxyphenyl-Thiohydroxyhomo Sildenafil)

CAS No. 479073-90-0

C24H34N6O4S2

M.W. 534.69

S-0658

Sildenafil Citrate

Propoxyphenyl Thiosildenafil

CAS No. 479073-87-5

C23H32N6O3S2

M.W. 504.67

PF-0017

Sildenafil Citrate

Sildenafil Citrate

CAS No. 171599-83-0

C22H30N6O4S. C6H8O7

M.W. 474.59 192.13

S-0659

Sildenafil Citrate

Depiperazinothio Sildenafil

CAS No. 1353018-10-6

C17H20N4O4S2

M.W. 408.49

S-0660

Sildenafil Citrate

Propoxyphenyl Thiohomo Sildenafil

CAS No. 479073-88-6

C24H34N6O3S2

M.W. 518.70

S-0661

Sildenafil Citrate

Sildenafil Related Compound 2

C25H36N6O4S

M.W. 516.67

S-0662

Sildenafil Citrate

Dithio-Desethyl Carbodenafil

CAS No. 1610830-81-3

C22H28N6OS2

M.W. 456.63

S-0635

Sildenafil Citrate

Dithio-Desmethyl Carbodenafil

CAS No. 1333233-46-7

C23H30N6OS2

M.W. 470.65

S-0663

Sildenafil Citrate

Sildenafil Impurity 16

C18H22N4O5S

M.W. 406.46

S-0664

Sildenafil Citrate

Aminothiosildenafil

C21H29N7O3S2

M.W. 491.64

S-0665

Sildenafil Citrate

Desmethyl Thiosildenafil

CAS No. 479073-86-4

C21H28N6O3S2

M.W. 476.62

S-0666

Sildenafil Citrate

Propoxyphenyl Thioaildenafil

CAS No. 856190-49-3

C24H34N6O3S2

M.W. 518.70

S-0667

Sildenafil Citrate

Benzyl Sildenafil-d5

C28H29N6O4SD5

M.W. 555.72

S-0668

Sildenafil Citrate

Hydroxythiohomosildenafil-d4

C23H28N6O4S2D4

M.W. 524.70

S-0669

Sildenafil Citrate

Cinnamyldenafil-d8

C31H28N6O3D8

M.W. 548.72

S-0670

Sildenafil Citrate

Homosildenafil-d5

C23H27N6O4SD5

M.W. 493.64

S-0671

Sildenafil Citrate

Hydroxyhomosildenafil-d4

C23H28N6O5SD4

M.W. 508.64

S-0672

Sildenafil Citrate

Chlorodenafil-d5

C19H16ClN4O3D5

M.W. 393.89

S-0673

Sildenafil Citrate

Hydroxychlorodenafil-d5

C19H18ClN4O3D5

M.W. 395.90

S-0674

Sildenafil Citrate

Cyclopentynafil-d5

C26H31N6O4SD5

M.W. 533.71

S-0675

Sildenafil Citrate

Dimethylacetildenafil-d5

C25H29N6O3D5

M.W. 471.62

S-0677

Sildenafil Citrate

Gendenafil-d5

C19H17N4O3D5

M.W. 359.44

S-0678

Sildenafil Citrate

Imidazosagatriazinone-d5

C17H15N4O2D5

M.W. 317.4

S-0679

Sildenafil Citrate

Norneovardenafil-d5

C18H15N4O4D5

M.W. 361.41

S-0680

Sildenafil Citrate

Nitrodenafil-d5

C17H14N5O4D5

M.W. 362.40

S-0681

Sildenafil Citrate

Lodenafilcarbonate-d16

C47H46N12O11S2D16

M.W. 1051.3

S-0682

Sildenafil Citrate

Oxohongdenafil-d5

C25H27N6O4D5

M.W. 485.60

S-0683

Sildenafil Citrate

Propoxyphenyl Thioaildenafil-d7

C24H27N6O3S2D7

M.W. 525.75

S-0684

Sildenafil Citrate

Propoxyphenyl Thiohomosidenafil-d5

C24H29N6O3S2D5

M.W. 523.74

S-0685

Sildenafil Citrate

Propoxyphenyl-Thiosildenafil-d8

C23H24N6O3S2D8

M.W. 512.73

S-0686

Sildenafil Citrate

Propoxyphenyl-Thiohydroxyhomosildenafil-d4

C24H30N6O4S2D4

M.W. 538.73

S-0687

Sildenafil Citrate

Thiohomosildenafil-d5

C23H27N6O3S2D5

M.W. 509.71

S-0688

Sildenafil Citrate

Thiosildenafil-d8

C22H22N6O3S2D8

M.W. 498.7

S-0689

Sildenafil Citrate

Sildenafil Impurity 1

CAS No. 845302-49-0

C17H22N4O2

M.W. 314.39

S-0690

Sildenafil Citrate

Sildenafil Impurity 2

CAS No. 332374-42-2

C14H20N2O4S

M.W. 312.39

S-0691

Sildenafil Citrate

Sildenafil Impurity 3

CAS No. 332374-45-5

C22H32N6O4S

M.W. 476.60

S-0692

Sildenafil Citrate

Acetil Acid-d5

C18H15N4O4D5

M.W. 361.41

S-0693

Sildenafil Citrate

Acetidenafil-d5 (Hongdenafil-d5)

C25H29N6O3D5

M.W. 471.62

S-0694

Sildenafil Citrate

Hydroxyhongdenafil-d4 (Hydroxy Acetidenafil-d4)

CAS No. 147676-56-0 (non-d)

C25H30N6O4D4

M.W. 486.61

S-0695

Sildenafil Citrate

Piperidino Acetildenafil-d5

C23H24N5O3D5

M.W. 428.55

S-0696

Sildenafil Citrate

Carbodenafil-d5

C24H27N6O3D5

M.W. 457.59

S-0697

Sildenafil Citrate

Desmethyl Carbodenafil-d8

C23H22N6O3D8

M.W. 446.58

S-0698

Sildenafil Citrate

Dimethylsildenafil-d5

C23H27N6O4SD5

M.W. 493.64

S-0699

Sildenafil Citrate

DimethylThiosildenafil-d5

C23H27N6O3S2D5

M.W. 509.71

S-06100

Sildenafil Citrate

Homo Sildenafil-d5

C23H27N6O4SD5

M.W. 493.64

S-06106

Sildenafil Citrate

Dichlorodenafil-d5

CAS No. 1446089-84-4 (non-d)

C19H15Cl2N4O2D5

M.W. 412.33

S-06101

Sildenafil Citrate

Dimethyl Acetildenafil-d5

C25H29N6O3D5

M.W. 471.62

S-06102

Sildenafil Citrate

Amino Sildenafil

CAS No. 319491-68-4

C18H23N5O4S

M.W. 405.47

S-06103

Sildenafil Citrate

Desethyl Carbodenafil

CAS No. 1027192-92-2

C22H28N6O3

M.W. 424.51

S-06104

Sildenafil Citrate

Descarbon Sildenafil

CAS No. 466684-88-8

C20H28N6O4S

M.W. 448.54

S-06105

Sildenafil Citrate

Descarbon Sildenafil-d3

C20H25N6O4SD3

M.W. 451.57

S-06107

Sildenafil Citrate

Sildenafil Impurity 4 (Iso Sildenafil)

CAS No. 253178-46-0

C22H30N6O4S

M.W. 474.58

S-06108

Sildenafil Citrate

Sildenafil Impurity 5

C8H12N4O2

M.W. 196.21

S-06109

Sildenafil Citrate

Sildenafil Impurity 6

C8H14N4O2

M.W. 198.23

S-06110

Sildenafil Citrate

Hydroxythio Acetildenafil

CAS No. 1159977-47-5

C25H34N6O3S

M.W. 498.65

S-06111

Sildenafil Citrate

Dichlorodenafil

CAS No. 1446089-84-4

C19H20Cl2N4O2

M.W. 407.30

S-06112

Sildenafil Citrate

Sildenafil Impurity 7

C21H30N6O5S

M.W. 478.57

S-06113

Sildenafil Citrate

Sildenafil Impurity 8

C21H30N6O5S

M.W. 478.57

S-06114

Sildenafil Citrate

Sildenafil Impurity 9

C9H16N4O

M.W. 196.25

S-06115

Sildenafil Citrate

Sildenafil Impurity 10

CAS No. 358388-58-6

C19H21BrN4O3

M.W. 433.31

S-06116

Sildenafil Citrate

Sildenafil Impurity 11

CAS No. 1260112-90-0

C24H32N6O4S2

M.W. 532.68

S-06117

Sildenafil Citrate

Sildenafil Impurity 12

C25H34N6OS2

M.W. 498.71

S-06118

Sildenafil Citrate

N-Desmethyl Sildenafil N-Glucuronide Sodium Salt

C27H35N6O10S. Na

M.W. 635.68 22.99

S-06119

Sildenafil Citrate

N-Desmethyl Sildenafil N-Glucuronide Amadori Rearrangement Impurity

C27H36N6O10S

M.W. 636.69

S-06120

Sildenafil Citrate

Sildenafil Impurity 17

CAS No. 1621873-33-3

C25H36N6O4S

M.W. 516.66

S-06121

Sildenafil Citrate

Sildenafil Impurity 18 (Dithiopropylcarbodenafil)

CAS No. 2196244-90-1

C25H34N6OS2

M.W. 498.71

S-06122

Sildenafil Citrate

N-Boc-N-Desethyl Acetildenafil

CAS No. 1246820-46-1

C28H38N6O5

M.W. 538.65

S-06123

Sildenafil Citrate

Piperazonifil

CAS No. 1335201-04-1

C25H34N6O4

M.W. 482.59

S-06124

Sildenafil Citrate

Mutaprodenafil

CAS No. 1387577-30-1

C27H35N9O5S2

M.W. 629.76

S-06125

Sildenafil Citrate

Sildenafil Impurity 19

C19H26N6O4S

M.W. 434.52

S-06126

Sildenafil Citrate

Sildenafil Impurity 20

C17H21N5O4S

M.W. 391.45

S-06127

Sildenafil Citrate

Sildenafil Impurity 21

C17H22N4O6S

M.W. 410.45

S-06128

Sildenafil Citrate

Sildenafil Impurity 22

CAS No. 200575-15-1

C22H32N6O5S

M.W. 492.60

S-06130

Sildenafil Citrate

Sildenafil Impurity 24

C17H22N4O6S

M.W. 410.45

S-06131

Sildenafil Citrate

Sildenafil Impurity 25

CAS No. 2021224-02-0

C9H10O6S

M.W. 246.23

S-06132

Sildenafil Citrate

Sildenafil Impurity 26

C5H12N2O2S

M.W. 164.22

S-06133

Sildenafil Citrate

Sildenafil Impurity 28

C21H26N6OS2

M.W. 442.60

S-06134

Sildenafil Citrate

Sildenafil Impurity 29

C24H34N6O4S

M.W. 502.63