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SILDENAFIL

S-061
Sildenafil Citrate
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(Common Package: 10,25,50,100mg)

Inventory Status: IN STOCK

Catalogue Number:

S-061

Compound Name:

Sildenafil Citrate

Synonyms:

5-(2-ethoxy-5-((4-methylpiperazin-1-yl)sulfonyl)phenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one, citrate (1:1)

CAS#:

171599-83-0

Alternate CAS#:

Molecular Formula:

C22H30N6O4S. C6H8O7

Molecular Weight:

474.59 192.13

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Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

CAS No. 139755-82-1

C21H28N6O4S

M.W. 460.55

S-063
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil-d8

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

C22H22D8N6O4S

M.W. 482.63

S-0621
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Acetildenafil (Hongdenafil)

CAS No. 831217-01-7

C25H34N6O3

M.W. 466.59

S-065
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Homosildenafil

CAS No. 642928-07-2

C23H32N6O4S

M.W. 488.61

S-066
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Norneo-Sildenafil

CAS No. 371959-09-0

C22H29N5O4S

M.W. 459.57

S-067
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Hydroxyhomo Sildenafil

CAS No. 139755-85-4

C23H32N6O5S

M.W. 504.61

S-068
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Thiosildenafil

CAS No. 479073-79-5

C22H30N6O3S2

M.W. 490.64

S-069
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Thiohomo Sildenafil

CAS No. 479073-80-8

C23H32N6O3S2

M.W. 504.67

S-0611
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Hydroxythiohomo Sildenafil

CAS No. 479073-82-0

C23H32N6O4S2

M.W. 520.67

S-0612
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Dimethyl Sildenafil

CAS No. 496835-35-9

C23H32N6O4S

M.W. 488.61

S-0613
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

N-Desethyl Acetildenafil

CAS No. 147676-55-9

C23H30N6O3

M.W. 438.53

S-0614
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Hydroxy Acetildenafil

CAS No. 147676-56-0

C25H34N6O4

M.W. 482.59

S-0616
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Piperiacetildenafil

CAS No. 147676-50-4

C24H31N5O3

M.W. 437.54

S-0617
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Acetil Acid

CAS No. 147676-78-6

C18H20N4O4

M.W. 356.38

S-0618
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Carbodenafil

CAS No. 944241-52-5

C24H32N6O3

M.W. 452.56

S-0619
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Gendenafil

CAS No. 147676-66-2

C19H22N4O3

M.W. 354.41

S-0620
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Imidazosagatriazinone

CAS No. 139756-21-1

C17H20N4O2

M.W. 312.37

S-064
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

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

CAS No. 1185168-06-2

C21H20N6O4SD8

M.W. 468.60

S-0622
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Thiodimethyl Sildenafil (Thioaildenafill, Sulfoaildenafil)

CAS No. 856190-47-1

C23H32N6O3S2

M.W. 504.67

S-0623
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Pyrazole N-Desmethyl Sildenafil

CAS No. 139755-95-6

C21H28N6O4S

M.W. 460.55

S-0624
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Related Compound 3 (PDE-5 Inhibitor)

CAS No. 1393816-99-3

C21H30N6O4S

M.W. 462.57

S-0625
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Amide

CAS No. 139756-01-7

C8H12N4O3

M.W. 212.21

S-0626
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Amine HCl

CAS No. 247584-10-7

C8H14N4O. HCl

M.W. 182.23 36.46

S-0627
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Coupled

CAS No. 139756-03-9

C17H22N4O3

M.W. 330.39

S-0628
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Chlorosulfonyl

CAS No. 139756-22-2

C17H19ClN4O4S

M.W. 410.87

S-0629
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil HCl

CAS No. 252920-86-8

C22H30N6O4S. HCl

M.W. 474.59 36.46

S-0652
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil

CAS No. 139755-83-2

C22H30N6O4S

M.W. 474.58

S-0630
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil EP Impurity G (Sildenafil Dimer Impurity)

CAS No. 1346602-67-2

C38H46N10O8S2

M.W. 834.97

S-0631
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Benzyl Sildenafil

CAS No. 1446089-82-2

C28H34N6O4S

M.W. 550.68

S-0632
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Nitrodenafil

CAS No. N/A

C17H19N5O4

M.W. 357.37

S-0633
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Chlorodenafil

CAS No. 1058653-74-9

C19H21ClN4O3

M.W. 388.86

S-0634
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Hydroxy Chlorodenafil

CAS No. 1391054-00-4

C19H23ClN4O3

M.W. 390.87

S-0638
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Dimethyl Acetildenafil

CAS No. 1290041-88-1

C25H34N6O3

M.W. 466.59

S-0639
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Oxohongdenafil

CAS No. 1446144-70-2

C25H32N6O4

M.W. 480.57

S-0640
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Dioxohongdenafil

CAS No. 1609405-33-5

C25H30N6O5

M.W. 494.56

S-0641
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Lodenafil Carbonate

CAS No. 398507-55-6

C47H62N12O11S2

M.W. 1035.21

S-0636
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Cyclopentynafil

CAS No. 1173706-34-7

C26H36N6O4S

M.W. 528.68

S-0637
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Cinnamyldenafil

CAS No. 1446089-83-3

C32H38N6O3

M.W. 554.70

S-0645
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Nitroso-prodenafil

CAS No. 1266755-08-1

C27H35N9O5S2

M.W. 629.77

S-0642
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Desmethyl Carbodenafil

CAS No. 147676-79-7

C23H30N6O3

M.W. 438.53

S-0643
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Analogue II

CAS No. 1391053-82-9

C24H34N6O4S

M.W. 502.64

S-0644
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil EP Impurity D

CAS No. 1357931-55-5

C17H20N4O5S

M.W. 392.43

S-0646
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil EP Impurity A (Isobutyl Sildenafil)

CAS No. 1391053-95-4

C23H32N6O4S

M.W. 488.61

S-0649
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 27

C24H34N6O3S2

M.W. 518.70

S-0650
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 14

CAS No. 2146091-79-2

C24H32N6OS2

M.W. 484.68

S-0615
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Nor-Acetildenafil

CAS No. 949091-38-7

C24H32N6O3

M.W. 452.56

S-0651
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil EP Impurity C (O-Desethyl Sildenafil)

CAS No. 139755-91-2

C20H26N6O4S

M.W. 446.53

S-0648
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Propoxyphenyl Sildenafil

CAS No. 877777-10-1

C23H32N6O4S

M.W. 488.61

S-0655
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil EP Impurity B (Sildenafil N-Oxide)

CAS No. 1094598-75-0

C22H30N6O5S

M.W. 490.58

S-0656
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Propoxyphenyl Hydroxyhomo Sildenafil

CAS No. 139755-87-6

C24H34N6O5S

M.W. 518.63

S-0657
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Analogue I (Propoxyphenyl-Thiohydroxyhomo Sildenafil)

CAS No. 479073-90-0

C24H34N6O4S2

M.W. 534.69

S-0658
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Propoxyphenyl Thiosildenafil

CAS No. 479073-87-5

C23H32N6O3S2

M.W. 504.67

PF-0017
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Citrate

CAS No. 171599-83-0

C22H30N6O4S. C6H8O7

M.W. 474.59 192.13

S-0659
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Depiperazinothio Sildenafil

CAS No. 1353018-10-6

C17H20N4O4S2

M.W. 408.49

S-0660
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Propoxyphenyl Thiohomo Sildenafil

CAS No. 479073-88-6

C24H34N6O3S2

M.W. 518.70

S-0661
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Related Compound 2

C25H36N6O4S

M.W. 516.67

S-0662
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Dithio-Desethyl Carbodenafil

CAS No. 1610830-81-3

C22H28N6OS2

M.W. 456.63

S-0635
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Dithio-Desmethyl Carbodenafil

CAS No. 1333233-46-7

C23H30N6OS2

M.W. 470.65

S-0663
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 16

C18H22N4O5S

M.W. 406.46

S-0664
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Aminothiosildenafil

C21H29N7O3S2

M.W. 491.64

S-0665
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Desmethyl Thiosildenafil

CAS No. 479073-86-4

C21H28N6O3S2

M.W. 476.62

S-0666
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Propoxyphenyl Thioaildenafil

CAS No. 856190-49-3

C24H34N6O3S2

M.W. 518.70

S-0667
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Benzyl Sildenafil-d5

C28H29N6O4SD5

M.W. 555.72

S-0668
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Hydroxythiohomosildenafil-d4

C23H28N6O4S2D4

M.W. 524.70

S-0669
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Cinnamyldenafil-d8

C31H28N6O3D8

M.W. 548.72

S-0670
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Homosildenafil-d5

C23H27N6O4SD5

M.W. 493.64

S-0671
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Hydroxyhomosildenafil-d4

C23H28N6O5SD4

M.W. 508.64

S-0672
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Chlorodenafil-d5

C19H16ClN4O3D5

M.W. 393.89

S-0673
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Hydroxychlorodenafil-d5

C19H18ClN4O3D5

M.W. 395.90

S-0674
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Cyclopentynafil-d5

C26H31N6O4SD5

M.W. 533.71

S-0675
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Dimethylacetildenafil-d5

C25H29N6O3D5

M.W. 471.62

S-0677
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Gendenafil-d5

C19H17N4O3D5

M.W. 359.44

S-0678
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Imidazosagatriazinone-d5

C17H15N4O2D5

M.W. 317.4

S-0679
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Norneovardenafil-d5

C18H15N4O4D5

M.W. 361.41

S-0680
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Nitrodenafil-d5

C17H14N5O4D5

M.W. 362.40

S-0681
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Lodenafilcarbonate-d16

C47H46N12O11S2D16

M.W. 1051.3

S-0682
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Oxohongdenafil-d5

C25H27N6O4D5

M.W. 485.60

S-0683
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Propoxyphenyl Thioaildenafil-d7

C24H27N6O3S2D7

M.W. 525.75

S-0684
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Propoxyphenyl Thiohomosidenafil-d5

C24H29N6O3S2D5

M.W. 523.74

S-0685
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Propoxyphenyl-Thiosildenafil-d8

C23H24N6O3S2D8

M.W. 512.73

S-0686
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)
S-0687
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Thiohomosildenafil-d5

C23H27N6O3S2D5

M.W. 509.71

S-0688
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Thiosildenafil-d8

C22H22N6O3S2D8

M.W. 498.7

S-0689
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 1

CAS No. 845302-49-0

C17H22N4O2

M.W. 314.39

S-0690
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 2

CAS No. 332374-42-2

C14H20N2O4S

M.W. 312.39

S-0691
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 3

CAS No. 332374-45-5

C22H32N6O4S

M.W. 476.60

S-0692
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Acetil Acid-d5

C18H15N4O4D5

M.W. 361.41

S-0693
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Acetidenafil-d5 (Hongdenafil-d5)

C25H29N6O3D5

M.W. 471.62

S-0694
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Hydroxyhongdenafil-d4 (Hydroxy Acetidenafil-d4)

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

C25H30N6O4D4

M.W. 486.61

S-0695
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Piperidino Acetildenafil-d5

C23H24N5O3D5

M.W. 428.55

S-0696
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Carbodenafil-d5

C24H27N6O3D5

M.W. 457.59

S-0697
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Desmethyl Carbodenafil-d8

C23H22N6O3D8

M.W. 446.58

S-0698
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Dimethylsildenafil-d5

C23H27N6O4SD5

M.W. 493.64

S-0699
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

DimethylThiosildenafil-d5

C23H27N6O3S2D5

M.W. 509.71

S-06100
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Homo Sildenafil-d5

C23H27N6O4SD5

M.W. 493.64

S-06106
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Dichlorodenafil-d5

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

C19H15Cl2N4O2D5

M.W. 412.33

S-06101
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Dimethyl Acetildenafil-d5

C25H29N6O3D5

M.W. 471.62

S-06102
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Amino Sildenafil

CAS No. 319491-68-4

C18H23N5O4S

M.W. 405.47

S-06103
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Desethyl Carbodenafil

CAS No. 1027192-92-2

C22H28N6O3

M.W. 424.51

S-06104
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Descarbon Sildenafil

CAS No. 466684-88-8

C20H28N6O4S

M.W. 448.54

S-06105
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Descarbon Sildenafil-d3

C20H25N6O4SD3

M.W. 451.57

S-06107
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 4 (Iso Sildenafil)

CAS No. 253178-46-0

C22H30N6O4S

M.W. 474.58

S-06108
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 5

C8H12N4O2

M.W. 196.21

S-06109
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 6

C8H14N4O2

M.W. 198.23

S-06110
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Hydroxythio Acetildenafil

CAS No. 1159977-47-5

C25H34N6O3S

M.W. 498.65

S-06111
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Dichlorodenafil

CAS No. 1446089-84-4

C19H20Cl2N4O2

M.W. 407.30

S-06112
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 7

C21H30N6O5S

M.W. 478.57

S-06113
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 8

C21H30N6O5S

M.W. 478.57

S-06114
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 9

C9H16N4O

M.W. 196.25

S-06115
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 10

CAS No. 358388-58-6

C19H21BrN4O3

M.W. 433.31

S-06116
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 11

CAS No. 1260112-90-0

C24H32N6O4S2

M.W. 532.68

S-06117
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 12

C25H34N6OS2

M.W. 498.71

S-06118
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

N-Desmethyl Sildenafil N-Glucuronide Sodium Salt

C27H35N6O10S. Na

M.W. 635.68 22.99

S-06120
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 17

CAS No. 1621873-33-3

C25H36N6O4S

M.W. 516.66

S-06121
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 18 (Dithiopropylcarbodenafil)

CAS No. 2196244-90-1

C25H34N6OS2

M.W. 498.71

S-06122
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

N-Boc-N-Desethyl Acetildenafil

CAS No. 1246820-46-1

C28H38N6O5

M.W. 538.65

S-06123
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Piperazonifil

CAS No. 1335201-04-1

C25H34N6O4

M.W. 482.59

S-06124
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Mutaprodenafil

CAS No. 1387577-30-1

C27H35N9O5S2

M.W. 629.76

S-06125
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 19

C19H26N6O4S

M.W. 434.52

S-06126
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 20

C17H21N5O4S

M.W. 391.45

S-06127
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 21

C17H22N4O6S

M.W. 410.45

S-06128
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 22

CAS No. 200575-15-1

C22H32N6O5S

M.W. 492.60

S-06129
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 23

C22H32N6O5S

M.W. 492.60

S-06130
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 24

C17H22N4O6S

M.W. 410.45

S-06131
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 25

CAS No. 2021224-02-0

C9H10O6S

M.W. 246.23

S-06132
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 26

C5H12N2O2S

M.W. 164.22

S-06133
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 28

C21H26N6OS2

M.W. 442.60

S-06134
Sildenafil EP Impurity F (N-Desmethyl Sildenafil)

Sildenafil Impurity 29

C24H34N6O4S

M.W. 502.63