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    4-amino-3-isobutyl-1-methyl-1H-pyrazole-5-carboxamide

    4-amino-3-isobutyl-1-methyl-1H-pyrazole-5-carboxamide

    Synonym

    4-amino-3-isobutyl-1-methyl-1H-pyrazole-5-carboxamide

    Molecular Formula

    C9H16N4O

    Molecular Weight

    196.25

    Catalogue Number

    AR-S01467

    Parent Drug

    SILDENAFIL

    Common Package:10,25,50,100 mg

    Collections: SILDENAFIL

    Category: AR-S01467 C9H16N4O SILDENAFIL

    RELATED PRODUCTS
    Mutaprodenafil

    Synonym

    5-(5-(((3R,5S)-3,5-dimethylpiperazin-1-yl)sulfonyl)-2-ethoxyphenyl)-1-methyl-7-((1-methyl-4-nitro-1H-imidazol-5-yl)thio)-3-propyl-1H-pyrazolo[4,3-d]pyrimidine

    Molecular Formula

    C27H35N9O5S2

    Molecular Weight

    629.76

    Catalogue Number

    AR-S01477

    Parent Drug

    SILDENAFIL

    CAS Number

    1387577-30-1
    Piperazonifil

    Synonym

    5-(2-ethoxy-5-(2-(4-ethyl-3-oxopiperazin-1-yl)-1-hydroxyethyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one

    Molecular Formula

    C25H34N6O4

    Molecular Weight

    482.59

    Catalogue Number

    AR-S01476

    Parent Drug

    SILDENAFIL

    CAS Number

    1335201-04-1
    N-Boc-N-desethyl Acetildenafil

    Synonym

    tert-butyl 4-(2-(4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)phenyl)-2-oxoethyl)piperazine-1-carboxylate

    Molecular Formula

    C28H38N6O5

    Molecular Weight

    538.65

    Catalogue Number

    AR-S01475

    Parent Drug

    SILDENAFIL

    CAS Number

    1246820-46-1
    5-(2-ethoxy-5-(4-propylpiperazine-1-carbonothioyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidine-7(6H)-thione

    Synonym

    5-(2-ethoxy-5-(4-propylpiperazine-1-carbonothioyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidine-7(6H)-thione

    Molecular Formula

    C25H34N6OS2

    Molecular Weight

    498.71

    Catalogue Number

    AR-S01474

    Parent Drug

    SILDENAFIL
    5-(5-(((3R,5S)-3,5-dimethylpiperazin-1-yl)sulfonyl)-2-propoxyphenyl)-3-isobutyl-1-methyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one

    Synonym

    5-(5-(((3R,5S)-3,5-dimethylpiperazin-1-yl)sulfonyl)-2-propoxyphenyl)-3-isobutyl-1-methyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one

    Molecular Formula

    C25H36N6O4S

    Molecular Weight

    516.66

    Catalogue Number

    AR-S01473

    Parent Drug

    SILDENAFIL

    CAS Number

    1621873-33-3
    N-Desmethyl Sildenafil N-Glucuronide Amadori Rearrangement Impurity

    Molecular Formula

    C27H36N6O10S

    Molecular Weight

    636.69

    Catalogue Number

    AR-S01472

    Parent Drug

    SILDENAFIL
    N-Desmethyl Sildenafil N-Glucuronide Sodium Salt

    Synonym

    (2S,3S,4S,5R,6R)-6-(4-((4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)phenyl)sulfonyl)piperazin-1-yl)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid, sodium salt

    Molecular Formula

    C27H35N6O10S. Na

    Molecular Weight

    635.68 22.99

    Catalogue Number

    AR-S01471

    Parent Drug

    SILDENAFIL
    5-(2-ethoxy-5-((3S,5R)-3,4,5-trimethylpiperazine-1-carbonothioyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidine-7(6H)-thione

    Synonym

    5-(2-ethoxy-5-((3S,5R)-3,4,5-trimethylpiperazine-1-carbonothioyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidine-7(6H)-thione

    Molecular Formula

    C25H34N6OS2

    Molecular Weight

    498.71

    Catalogue Number

    AR-S01470

    Parent Drug

    SILDENAFIL
    5-(2-ethoxy-5-((4-(thietan-3-yl)piperazin-1-yl)sulfonyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one

    Synonym

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

    Molecular Formula

    C24H32N6O4S2

    Molecular Weight

    532.68

    Catalogue Number

    AR-S01469

    Parent Drug

    SILDENAFIL

    CAS Number

    1260112-90-0
    2-(5-(2-bromoacetyl)-2-ethoxyphenyl)-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(3H)-one

    Synonym

    2-(5-(2-bromoacetyl)-2-ethoxyphenyl)-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(3H)-one

    Molecular Formula

    C19H21BrN4O3

    Molecular Weight

    433.31

    Catalogue Number

    AR-S01468

    Parent Drug

    SILDENAFIL

    CAS Number

    358388-58-6
    4-(2-ethoxy-3-(piperazin-1-ylsulfonyl)benzamido)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide

    Synonym

    4-(2-ethoxy-3-(piperazin-1-ylsulfonyl)benzamido)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide

    Molecular Formula

    C21H30N6O5S

    Molecular Weight

    478.57

    Catalogue Number

    AR-S01466

    Parent Drug

    SILDENAFIL
    4-(2-ethoxy-5-(piperazin-1-ylsulfonyl)benzamido)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide

    Synonym

    4-(2-ethoxy-5-(piperazin-1-ylsulfonyl)benzamido)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide

    Molecular Formula

    C21H30N6O5S

    Molecular Weight

    478.57

    Catalogue Number

    AR-S01465

    Parent Drug

    SILDENAFIL
    Dichlorodenafil

    Synonym

    (Z)-5-(5-(1,2-dichlorovinyl)-2-ethoxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one

    Molecular Formula

    C19H20Cl2N4O2

    Molecular Weight

    407.30

    Catalogue Number

    AR-S01464

    Parent Drug

    SILDENAFIL

    CAS Number

    1446089-84-4
    Hydroxythio Acetildenafil

    Synonym

    1-(4-ethoxy-3-(1-methyl-3-propyl-7-thioxo-4,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)phenyl)-2-(4-(2-hydroxyethyl)piperazin-1-yl)ethanone

    Molecular Formula

    C25H34N6O3S

    Molecular Weight

    498.65

    Catalogue Number

    AR-S01463

    Parent Drug

    SILDENAFIL

    CAS Number

    1159977-47-5
    4-(hydroxyamino)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide

    Synonym

    4-(hydroxyamino)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide

    Molecular Formula

    C8H14N4O2

    Molecular Weight

    198.23

    Catalogue Number

    AR-S01462

    Parent Drug

    SILDENAFIL
    1-methyl-4-nitroso-3-propyl-1H-pyrazole-5-carboxamide

    Synonym

    1-methyl-4-nitroso-3-propyl-1H-pyrazole-5-carboxamide

    Molecular Formula

    C8H12N4O2

    Molecular Weight

    196.21

    Catalogue Number

    AR-S01461

    Parent Drug

    SILDENAFIL
    Iso Sildenafil

    Synonym

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

    Molecular Formula

    C22H30N6O4S

    Molecular Weight

    474.59

    Catalogue Number

    AR-S01460

    Parent Drug

    SILDENAFIL

    CAS Number

    253178-46-0
    Descarbon Sildenafil-d3

    Synonym

    4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-N-(2-(methylamino)ethyl)benzenesulfonamide-D3

    Molecular Formula

    C20H25N6O4SD3

    Molecular Weight

    451.57

    Catalogue Number

    AR-S01459

    Parent Drug

    SILDENAFIL
    Descarbon Sildenafil

    Synonym

    4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-N-(2-(methylamino)ethyl)benzenesulfonamide

    Molecular Formula

    C20H28N6O4S

    Molecular Weight

    448.54

    Catalogue Number

    AR-S01458

    Parent Drug

    SILDENAFIL

    CAS Number

    466684-88-8
    Desethyl Carbodenafil

    Synonym

    5-(2-ethoxy-5-(piperazine-1-carbonyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one

    Molecular Formula

    C22H28N6O3

    Molecular Weight

    424.51

    Catalogue Number

    AR-S01457

    Parent Drug

    SILDENAFIL

    CAS Number

    1027192-92-2
    Amino Sildenafil

    Synonym

    3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-propoxybenzenesulfonamide

    Molecular Formula

    C18H23N5O4S

    Molecular Weight

    405.47

    Catalogue Number

    AR-S01456

    Parent Drug

    SILDENAFIL

    CAS Number

    319491-68-4
    Dimethyl Acetildenafil-d5

    Synonym

    5-(5-(2-((3R,5S)-3,5-dimethylpiperazin-1-yl)acetyl)-2-ethoxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one-D5

    Molecular Formula

    C25H29N6O3D5

    Molecular Weight

    471.62

    Catalogue Number

    AR-S01455

    Parent Drug

    SILDENAFIL
    Dichlorodenafil-d5

    Synonym

    (Z)-5-(5-(1,2-dichlorovinyl)-2-ethoxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one

    Molecular Formula

    C19H15Cl2N4O2D5

    Molecular Weight

    412.33

    Catalogue Number

    AR-S01454

    Parent Drug

    SILDENAFIL

    CAS Number

    1446089-84-4 (non-d)
    Homo Sildenafil-d5

    Synonym

    5-(2-ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one-D5

    Molecular Formula

    C23H27N6O4SD5

    Molecular Weight

    493.64

    Catalogue Number

    AR-S01453

    Parent Drug

    SILDENAFIL
    DimethylThiosildenafil-d5

    Synonym

    5-(5-(((3R,5S)-3,5-dimethylpiperazin-1-yl)sulfonyl)-2-ethoxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidine-7(6H)-thione-D5

    Molecular Formula

    C23H27N6O3S2D5

    Molecular Weight

    509.71

    Catalogue Number

    AR-S01452

    Parent Drug

    SILDENAFIL
    Dimethylsildenafil-d5

    Synonym

    5-(5-(((3R,5S)-3,5-dimethylpiperazin-1-yl)sulfonyl)-2-ethoxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one-D5

    Molecular Formula

    C23H27N6O4SD5

    Molecular Weight

    493.64

    Catalogue Number

    AR-S01451

    Parent Drug

    SILDENAFIL
    Desmethyl Carbodenafil-d8

    Synonym

    5-(2-ethoxy-5-(4-methylpiperazine-1-carbonyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one-D8

    Molecular Formula

    C23H22N6O3D8

    Molecular Weight

    446.58

    Catalogue Number

    AR-S01450

    Parent Drug

    SILDENAFIL
    Carbodenafil-d5

    Synonym

    5-(2-ethoxy-5-(4-ethylpiperazine-1-carbonyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one-D7

    Molecular Formula

    C24H27N6O3D5

    Molecular Weight

    457.59

    Catalogue Number

    AR-S01449

    Parent Drug

    SILDENAFIL
    Piperidino Acetildenafil-d5

    Synonym

    5-(2-ethoxy-5-(2-(piperidin-1-yl)acetyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one-D5

    Molecular Formula

    C23H24N5O3D5

    Molecular Weight

    428.55

    Catalogue Number

    AR-S01448

    Parent Drug

    SILDENAFIL
    Hydroxyhongdenafil-d4 (Hydroxy Acetidenafil-d4)

    Synonym

    5-(2-ethoxy-5-(2-(4-(2-hydroxyethyl)piperazin-1-yl)acetyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one-D4

    Molecular Formula

    C25H30N6O4D4

    Molecular Weight

    486.61

    Catalogue Number

    AR-S01447

    Parent Drug

    SILDENAFIL

    CAS Number

    147676-56-0 (non-d)
    Acetidenafil-d5 (Hongdenafil-d5)

    Synonym

    5-(2-ethoxy-5-(2-(4-ethylpiperazin-1-yl)acetyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one-D5

    Molecular Formula

    C25H29N6O3D5

    Molecular Weight

    471.62

    Catalogue Number

    AR-S01446

    Parent Drug

    SILDENAFIL
    Acetil Acid-d5

    Synonym

    4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzoic acid-D5

    Molecular Formula

    C18H15N4O4D5

    Molecular Weight

    361.41

    Catalogue Number

    AR-S01445

    Parent Drug

    SILDENAFIL
    (E)-4-((2-ethoxy-5-((4-methylpiperazin-1-yl)sulfonyl)benzylidene)amino)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide

    Synonym

    (E)-4-((2-ethoxy-5-((4-methylpiperazin-1-yl)sulfonyl)benzylidene)amino)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide

    Molecular Formula

    C22H32N6O4S

    Molecular Weight

    476.60

    Catalogue Number

    AR-S01444

    Parent Drug

    SILDENAFIL

    CAS Number

    332374-45-5
    2-ethoxy-5-((4-methylpiperazin-1-yl)sulfonyl)benzaldehyde

    Synonym

    2-ethoxy-5-((4-methylpiperazin-1-yl)sulfonyl)benzaldehyde

    Molecular Formula

    C14H20N2O4S

    Molecular Weight

    312.39

    Catalogue Number

    AR-S01443

    Parent Drug

    SILDENAFIL

    CAS Number

    332374-42-2
    (E)-4-((2-ethoxybenzylidene)amino)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide

    Synonym

    (E)-4-((2-ethoxybenzylidene)amino)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide

    Molecular Formula

    C17H22N4O2

    Molecular Weight

    314.39

    Catalogue Number

    AR-S01442

    Parent Drug

    SILDENAFIL

    CAS Number

    845302-49-0
    Thiosildenafil-d8

    Synonym

    5-(2-ethoxy-5-((4-methylpiperazin-1-yl)sulfonyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidine-7(6H)-thione-D8

    Molecular Formula

    C22H22N6O3S2D8

    Molecular Weight

    498.7

    Catalogue Number

    AR-S01441

    Parent Drug

    SILDENAFIL
    Thiohomosildenafil-d5

    Synonym

    5-(2-ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidine-7(6H)-thione

    Molecular Formula

    C23H27N6O3S2D5

    Molecular Weight

    509.71

    Catalogue Number

    AR-S01440

    Parent Drug

    SILDENAFIL
    Propoxyphenyl-Thiohydroxyhomosildenafil-d4

    Synonym

    5-(5-((4-(2-hydroxyethyl)piperazin-1-yl)sulfonyl)-2-propoxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidine-7(6H)-thione-D4

    Molecular Formula

    C24H30N6O4S2D4

    Molecular Weight

    538.73

    Catalogue Number

    AR-S01439

    Parent Drug

    SILDENAFIL
    Propoxyphenyl-Thiosildenafil-d8

    Synonym

    1-methyl-5-(5-((4-methylpiperazin-1-yl)sulfonyl)-2-propoxyphenyl)-3-propyl-1H-pyrazolo[4,3-d]pyrimidine-7(6H)-thione-D8

    Molecular Formula

    C23H24N6O3S2D8

    Molecular Weight

    512.73

    Catalogue Number

    AR-S01438

    Parent Drug

    SILDENAFIL
    Propoxyphenyl Thiohomosidenafil-d5

    Synonym

    5-(5-((4-ethylpiperazin-1-yl)sulfonyl)-2-propoxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidine-7(6H)-thione-D5

    Molecular Formula

    C24H29N6O3S2D5

    Molecular Weight

    523.74

    Catalogue Number

    AR-S01437

    Parent Drug

    SILDENAFIL
    Propoxyphenyl Thioaildenafil-d7

    Synonym

    5-(5-((3,5-dimethylpiperazin-1-yl)sulfonyl)-2-propoxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidine-7(4H)-thione-D7

    Molecular Formula

    C24H27N6O3S2D7

    Molecular Weight

    525.75

    Catalogue Number

    AR-S01436

    Parent Drug

    SILDENAFIL
    Oxohongdenafil-d5

    Synonym

    5-(2-ethoxy-5-(2-(4-ethyl-3-oxopiperazin-1-yl)acetyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one-D5

    Molecular Formula

    C25H27N6O4D5

    Molecular Weight

    485.60

    Catalogue Number

    AR-S01435

    Parent Drug

    SILDENAFIL
    Lodenafilcarbonate-d16

    Synonym

    bis(2-(4-((4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)phenyl)sulfonyl)piperazin-1-yl)ethyl) carbonate-D16

    Molecular Formula

    C47H46N12O11S2D16

    Molecular Weight

    1051.3

    Catalogue Number

    AR-S01434

    Parent Drug

    SILDENAFIL
    Nitrodenafil-d5

    Synonym

    5-(2-ethoxy-5-nitrophenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one-D5

    Molecular Formula

    C17H14N5O4D5

    Molecular Weight

    362.40

    Catalogue Number

    AR-S01433

    Parent Drug

    SILDENAFIL
    Norneovardenafil-d5

    Synonym

    4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzoic acid-D5

    Molecular Formula

    C18H15N4O4D5

    Molecular Weight

    361.41

    Catalogue Number

    AR-S01432

    Parent Drug

    SILDENAFIL
    Imidazosagatriazinone-d5

    Synonym

    5-(2-ethoxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one-D5

    Molecular Formula

    C17H15N4O2D5

    Molecular Weight

    317.4

    Catalogue Number

    AR-S01431

    Parent Drug

    SILDENAFIL
    Gendenafil-d5

    Synonym

    5-(5-acetyl-2-ethoxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one-D5

    Molecular Formula

    C19H17N4O3D5

    Molecular Weight

    359.44

    Catalogue Number

    AR-S01430

    Parent Drug

    SILDENAFIL
    Dimethylacetildenafil-d5

    Synonym

    5-(5-(2-((3R,5S)-3,5-dimethylpiperazin-1-yl)acetyl)-2-ethoxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one-D5

    Molecular Formula

    C25H29N6O3D5

    Molecular Weight

    471.62

    Catalogue Number

    AR-S01429

    Parent Drug

    SILDENAFIL
    Cyclopentynafil-d5

    Synonym

    5-(5-((4-cyclopentylpiperazin-1-yl)sulfonyl)-2-ethoxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one

    Molecular Formula

    C26H31N6O4SD5

    Molecular Weight

    533.71

    Catalogue Number

    AR-S01428

    Parent Drug

    SILDENAFIL