Displaying 63 results for sildenafil citrate

Sildenafil Citrate - API

Sildenafil Citrate


  • Catalogue No.:PA 19 09000

  • CAS : 171599-83-0

  • Molecular Formula : C28H38N6O11S

  • Molecular Weight : 666.71

Sildenafil Citrate - Impurity A

Isobutyl Sildenafil


  • Catalogue No.:PA 19 09010

  • CAS : 1391053-95-4

  • Molecular Formula : C23H32N6O4S

  • Molecular Weight : 488.60

latest product

Sildenafil Citrate - Impurity B

5-[2-Ethoxy-5-(4-methyl-4-oxy-piperazine-1-sulfonyl)-phenyl]-1-methyl-3-propyl-1,6-dihydro-pyrazolo[4,3-d]pyrimidin-7-one


  • Catalogue No.:PA 19 09020

  • CAS : 1094598-75-0

  • Molecular Formula : C22H30N6O5S

  • Molecular Weight : 490.58

Sildenafil Citrate - Impurity C

5-[2-Hydroxy-5-(4-methylpiperazinylsulphonyl)phenyl]1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyramidin-7-one


  • Catalogue No.:PA 19 09030

  • CAS : 139755-91-2

  • Molecular Formula : C20H26N6O4S

  • Molecular Weight : 446.52

Sildenafil Citrate - Impurity D

3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxybenzenesulfonic acid


  • Catalogue No.:PA 19 09040

  • CAS : 1357931-55-5

  • Molecular Formula : C17H20N4O5S

  • Molecular Weight : 392.43

Sildenafil Citrate - Impurity E

1H-Imidazole


  • Catalogue No.:PA 19 09050

  • CAS : 288-32-4

  • Molecular Formula : C3H4N2

  • Molecular Weight : 68.08

Sildenafil Citrate - Impurity G

Sildenafil Dimer Impurity


  • Catalogue No.:PA 19 09070

  • CAS : 1346602-67-2

  • Molecular Formula : C38H46N10O8S2

  • Molecular Weight : 834.96

Sildenafil Aldehyde

Sildenafil Aldehyde


  • Catalogue No.:PA 19 09510

  • CAS : 332374-42-2

  • Molecular Formula : C14H20N2O4S

  • Molecular Weight : 312.38

Sildenafil Amino Amide Impurity

Sildenafil Amino Amide Impurity


  • Catalogue No.:PA 19 09520

  • CAS : 139756-02-8

  • Molecular Formula : C8H14N4O

  • Molecular Weight : 182.22

Sildenafil Amide Impurity Hydrochloride

Sildenafil Amide Impurity Hydrochloride


  • Catalogue No.:PA 19 09530

  • CAS : 247584-10-7

  • Molecular Formula : C8H15ClN4O

  • Molecular Weight : 218.68

Sildenafil Chloro Impurity

Sildenafil Chloro Impurity


  • Catalogue No.:PA 19 09540

  • CAS : 42926-52-3

  • Molecular Formula : C9H9ClO2

  • Molecular Weight : 184.62

Sildenafil Carboxamide Impurity

Sildenafil Carboxamide Impurity


  • Catalogue No.:PA 19 09550

  • CAS : 139756-03-9

  • Molecular Formula : C17H22N4O3

  • Molecular Weight : 330.38

Sildenafil Lactam Impurity

Sildenafil Lactam Impurity


  • Catalogue No.:PA 19 09560

  • CAS : 139756-21-1

  • Molecular Formula : C17H20N4O2

  • Molecular Weight : 312.37

Sildenafil Chlorosulfonyl Impurity

Sildenafil Chlorosulfonyl Impurity


  • Catalogue No.:PA 19 09570

  • CAS : 139756-22-2

  • Molecular Formula : C17H19ClN4O4S

  • Molecular Weight : 410.88

Sildenafil Citrate - Impurity F

N-Desmethyl Sildenafil


  • Catalogue No.:PA 19 09580

  • CAS : 139755-82-1

  • Molecular Formula : C21H28N6O4S

  • Molecular Weight : 460.55

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

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


  • Catalogue No.:PA 19 09590

  • CAS : NA

  • Molecular Formula : C21H29N5O6S

  • Molecular Weight : 479.55

O-Desethyl-O-propyl Methisosildenafil

O-Desethyl-O-propyl Methisosildenafil


  • Catalogue No.:PA 19 09600

  • CAS : 1391053-82-9

  • Molecular Formula : C24H34N6O4S

  • Molecular Weight : 502.63

Propoxyphenyl Homohydroxysildenafil

Propoxyphenyl Homohydroxysildenafil


  • Catalogue No.:PA 19 09610

  • CAS : 139755-87-6

  • Molecular Formula : C24H34N6O5S

  • Molecular Weight : 518.63

Propoxyphenyl Sildenafil

Propoxyphenyl Sildenafil


  • Catalogue No.:PA 19 09620

  • CAS : 877777-10-1

  • Molecular Formula : C23H32N6O4S

  • Molecular Weight : 488.60

Descarbonsildenafil

Descarbonsildenafil


  • Catalogue No.:PA 19 09630

  • CAS : 1393816-99-3

  • Molecular Formula : C21H30N6O4S

  • Molecular Weight : 462.57

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

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


  • Catalogue No.:PA 19 09640

  • CAS : 147676-78-6

  • Molecular Formula : C18H20N4O4

  • Molecular Weight : 356.38

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

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


  • Catalogue No.:PA 19 09650

  • CAS : 247583-78-4

  • Molecular Formula : C8H14N4O

  • Molecular Weight : 182.22

Sildenafil Amide Impurity

Sildenafil Amide Impurity


  • Catalogue No.:PA 19 09660

  • CAS : 139756-01-7

  • Molecular Formula : C8H12N4O3

  • Molecular Weight : 212.21

Sildenafil Methyl Sulfonate Ester Impurity

Sildenafil Methyl Sulfonate Ester Impurity


  • Catalogue No.:PA 19 09670

  • CAS : NA

  • Molecular Formula : C18H22N4O5S

  • Molecular Weight : 406.46

1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid

1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid


  • Catalogue No.:PA 19 09680

  • CAS : 139756-00-6

  • Molecular Formula : C8H11N3O4

  • Molecular Weight : 213.19

Demethylpiperazinyl Iso Sildenafil Sulfonyl Chloride

Demethylpiperazinyl Iso Sildenafil Sulfonyl Chloride


  • Catalogue No.:PA 19 09690

  • CAS : 501120-42-9

  • Molecular Formula : C17H19ClN4O4S

  • Molecular Weight : 410.88

(Z)-N'-(5-Chloro-4-methyl-2-propyl-1H-imidazol-1-yl)-2-ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)benzimidamide

(Z)-N'-(5-Chloro-4-methyl-2-propyl-1H-imidazol-1-yl)-2-ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)benzimidamide


  • Catalogue No.:PA 19 09700

  • CAS : NA

  • Molecular Formula : C22H33ClN6O3S

  • Molecular Weight : 497.05

(Z)-N'-(5-Chloro-4-methyl-2-propyl-1H-imidazol-1-yl)-2-ethoxybenzimidamide

(Z)-N'-(5-Chloro-4-methyl-2-propyl-1H-imidazol-1-yl)-2-ethoxybenzimidamide


  • Catalogue No.:PA 19 09710

  • CAS : NA

  • Molecular Formula : C16H21ClN4O

  • Molecular Weight : 320.82

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

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


  • Catalogue No.:PA 19 09720

  • CAS : 845302-49-0

  • Molecular Formula : C17H22N4O2

  • Molecular Weight : 314.38

Iso Sildenafil

Iso Sildenafil


  • Catalogue No.:PA 19 09730

  • CAS : 253178-46-0

  • Molecular Formula : C22H30N6O4S

  • Molecular Weight : 474.58

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

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


  • Catalogue No.:PA 19 09740

  • CAS : NA

  • Molecular Formula : C8H12N4O2

  • Molecular Weight : 196.21

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

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


  • Catalogue No.:PA 19 09750

  • CAS : NA

  • Molecular Formula : C8H14N4O2

  • Molecular Weight : 198.23

4-[2-Ethoxy-5-(1-piperazinylsulfonyl)benzoamido]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide

4-[2-Ethoxy-5-(1-piperazinylsulfonyl)benzoamido]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide


  • Catalogue No.:PA 19 09760

  • CAS : 300547-20-0

  • Molecular Formula : C21H30N6O5S

  • Molecular Weight : 478.57

4-(2-Ethoxybenzamido)-3-isobutyl-1-methyl-1H-pyrazole-5-carboxamide

4-(2-Ethoxybenzamido)-3-isobutyl-1-methyl-1H-pyrazole-5-carboxamide


  • Catalogue No.:PA 19 09770

  • CAS : NA

  • Molecular Formula : C18H24N4O3

  • Molecular Weight : 344.42

Homo Sildenafil

Homo Sildenafil


  • Catalogue No.:PA 19 09780

  • CAS : 642928-07-2

  • Molecular Formula : C23H32N6O4S

  • Molecular Weight : 488.61

S-des[2-(1-Methyl-2-pyrrolidinyl)ethyl]amine S-Hydroxy Udenafil

S-des[2-(1-Methyl-2-pyrrolidinyl)ethyl]amine S-Hydroxy Udenafil


  • Catalogue No.:PA 19 09790

  • CAS : NA

  • Molecular Formula : C18H22N4O5S

  • Molecular Weight : 406.46

Propoxyphenyl-​thiohydroxyhomosilde​nafil

Propoxyphenyl-​thiohydroxyhomosilde​nafil


  • Catalogue No.:PA 19 09800

  • CAS : 479073-90-0

  • Molecular Formula : C24H34N6O4S2

  • Molecular Weight : 534.69

Thiodimethylsildenafil

Thiodimethylsildenafil


  • Catalogue No.:PA 19 09810

  • CAS : 1260112-90-0

  • Molecular Formula : C23H32N6O3S2

  • Molecular Weight : 504.67

Sildenafil Citrate (IPRS/77/14)


  • Catalogue No.:PA IP-IPRS 77 14

  • CAS : NA

  • Molecular Formula :

  • Molecular Weight : 0.00

Sildenafil for peak identification (Y0001891)


  • Catalogue No.:PA EP-Y0001891

  • CAS : NA

  • Molecular Formula :

  • Molecular Weight : 0.00

Sildenafil Citrate (1612561)


  • Catalogue No.:PA USP-1612561

  • CAS : 171599-83-0

  • Molecular Formula :

  • Molecular Weight : 0.00

Sildenafil Related Compound A (5-[2-Ethoxy-5-[(4-methylpiperazin-1-yl)sulfonyl]phenyl]-1-methyl-3-( (1612685)


  • Catalogue No.:PA USP-1612685

  • CAS : NA

  • Molecular Formula :

  • Molecular Weight : 0.00

3-[[[5-Aminocarbonyl-1-methyl-3-propyl-1H-pyrazol-4-yl]amino]carbonyl]-4-ethoxy-benzenesulfonyl Dimer

3-[[[5-Aminocarbonyl-1-methyl-3-propyl-1H-pyrazol-4-yl]amino]carbonyl]-4-ethoxy-benzenesulfonyl Dimer


  • Catalogue No.:PA 19 09960

  • CAS : 1391054-84-4

  • Molecular Formula : C34H42N8O8S

  • Molecular Weight : 722.81

3-[[[5-(Aminocarbonyl)-1-methyl-3-propyl-1H-pyrazol-4-yl]amino]carbonyl]-4-propoxy-benzenesulfonyl Chloride

3-[[[5-(Aminocarbonyl)-1-methyl-3-propyl-1H-pyrazol-4-yl]amino]carbonyl]-4-propoxy-benzenesulfonyl Chloride


  • Catalogue No.:PA 19 09970

  • CAS : 374776-34-8

  • Molecular Formula : C18H23ClN4O5S

  • Molecular Weight : 442.92

4-Amino-1-methyl-3-(2-methylpropyl)-1H-pyrazole-5-carboxamide

4-Amino-1-methyl-3-(2-methylpropyl)-1H-pyrazole-5-carboxamide


  • Catalogue No.:PA 19 09980

  • CAS : 268204-00-8

  • Molecular Formula : C9H16N4O

  • Molecular Weight : 196.25

Chlorodenafil

Chlorodenafil


  • Catalogue No.:PA 19 09820

  • CAS : 1058653-74-9

  • Molecular Formula : C19H21ClN4O3

  • Molecular Weight : 388.85

Demethylpiperazinyl Desethyl Sildenafil Sulfonyl Chloride

Demethylpiperazinyl Desethyl Sildenafil Sulfonyl Chloride


  • Catalogue No.:PA 19 09830

  • CAS : 139756-27-7

  • Molecular Formula : C15H15ClN4O4S

  • Molecular Weight : 382.82

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

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


  • Catalogue No.:PA 19 09840

  • CAS : 139756-31-3

  • Molecular Formula : C16H17ClN4O4S

  • Molecular Weight : 396.85

3-Isobutylpyrazolo[4,3-d]pyrimidine

3-Isobutylpyrazolo[4,3-d]pyrimidine


  • Catalogue No.:PA 19 09850

  • CAS : 1346600-82-5

  • Molecular Formula : C9H12N4

  • Molecular Weight : 176.22

De(methypiperazinyl) Sildenafil Dimer

De(methypiperazinyl) Sildenafil Dimer


  • Catalogue No.:PA 19 09860

  • CAS : 1346603-48-2

  • Molecular Formula : C34H38N8O6S

  • Molecular Weight : 686.79

Desmethyl Thiosildenafil

Desmethyl Thiosildenafil


  • Catalogue No.:PA 19 09870

  • CAS : 479073-86-4

  • Molecular Formula : C21H28N6O3S2

  • Molecular Weight : 476.61

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

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


  • Catalogue No.:PA 19 09880

  • CAS : NA

  • Molecular Formula : C19H24N4O5S

  • Molecular Weight : 420.48

2-Ethoxy-5-(ethoxysulfonyl)benzoic Acid

2-Ethoxy-5-(ethoxysulfonyl)benzoic Acid


  • Catalogue No.:PA 19 09890

  • CAS : NA

  • Molecular Formula : C11H14O6S

  • Molecular Weight : 274.29

Ethyl 2-ethoxy-5-(ethoxysulfonyl)benzoate

Ethyl 2-ethoxy-5-(ethoxysulfonyl)benzoate


  • Catalogue No.:PA 19 09900

  • CAS : NA

  • Molecular Formula : C13H18O6S

  • Molecular Weight : 302.34

Methyl 2-ethoxy-5-(methoxysulfonyl)benzoate

Methyl 2-ethoxy-5-(methoxysulfonyl)benzoate


  • Catalogue No.:PA 19 09910

  • CAS : NA

  • Molecular Formula : C11H14O6S

  • Molecular Weight : 274.29

2-Ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)benzoic Acid

2-Ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)benzoic Acid


  • Catalogue No.:PA 19 09920

  • CAS : 1245644-35-2

  • Molecular Formula : C15H22N2O5S

  • Molecular Weight : 342.41

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

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


  • Catalogue No.:PA 19 09930

  • CAS : NA

  • Molecular Formula : C21H28N6O4S

  • Molecular Weight : 460.55

4-(2-Methoxy-5-((4-methylpiperazin-1-yl)sulfonyl)benzamido)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide

4-(2-Methoxy-5-((4-methylpiperazin-1-yl)sulfonyl)benzamido)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide


  • Catalogue No.:PA 19 09940

  • CAS : NA

  • Molecular Formula : C21H30N6O5S

  • Molecular Weight : 478.57

4-(2-Methoxy-5-((4-methylpiperazin-1-yl)sulfonyl)phenyl)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide

4-(2-Methoxy-5-((4-methylpiperazin-1-yl)sulfonyl)phenyl)-1-methyl-3-propyl-1H-pyrazole-5-carboxamide


  • Catalogue No.:PA 19 09950

  • CAS : NA

  • Molecular Formula : C20H29N5O4S

  • Molecular Weight : 435.54

2-Methoxy-5-((4-methylpiperazin-1-yl)sulfonyl)benzoic Acid

2-Methoxy-5-((4-methylpiperazin-1-yl)sulfonyl)benzoic Acid


  • Catalogue No.:PA 19 09515

  • CAS : 263897-16-1

  • Molecular Formula : C13H18N2O5S

  • Molecular Weight : 314.36

2-Hydroxy-5-[(4-methyl-1-piperazinyl)sulfonyl]benzoic Acid

2-Hydroxy-5-[(4-methyl-1-piperazinyl)sulfonyl]benzoic Acid


  • Catalogue No.:PA 19 09525

  • CAS : 960009-35-2

  • Molecular Formula : C12H16N2O5S

  • Molecular Weight : 300.33

5,5'-(Piperazine-1,4-disulfonyl)bis(2-ethoxybenzoic Acid)

5,5'-(Piperazine-1,4-disulfonyl)bis(2-ethoxybenzoic Acid)


  • Catalogue No.:PA 19 09990

  • CAS : NA

  • Molecular Formula : C22H26N2O10S2

  • Molecular Weight : 542.57

Nor Acetildenafil

Nor Acetildenafil


  • Catalogue No.:PA 19 09535

  • CAS : 949091-38-7

  • Molecular Formula : C24H32N6O3

  • Molecular Weight : 452.55