Impurity - Sildenafil

N-Nitroso N-Desmethyl Sildenafil

N-Nitroso N-Desmethyl Sildenafil

CAS No. : Not Available

CAT No. : KMS002001

Formula : C21H27N7O5S

FW : 489.55

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Sildenafil EP Impurity F

Sildenafil EP Impurity F

CAS No. : Not Available

CAT No. : KMS002002

Formula : C21H28N6O4S : C2HF3O2

FW : 460.55 : 114.02

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Sildenafil EP Impurity B

Sildenafil EP Impurity B

CAS No. : 1094598-75-0

CAT No. : KMS002003

Formula : C22H30N6O5S

FW : 490.58

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2-Ethoxybenzoic Acid

2-Ethoxybenzoic Acid

CAS No. : 134-11-2

CAT No. : KMS002004

Formula : C9H10O3

FW : 166.2

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2-Ethoxybenzoyl Chloride Impurity

2-Ethoxybenzoyl Chloride Impurity

CAS No. : 42926-52-3

CAT No. : KMS002005

Formula : C9H9ClO2

FW : 184.6

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Iso Sildenafil

Iso Sildenafil

CAS No. : 253178-46-0

CAT No. : KMS002018

Formula : C22H30N6O4S

FW : 474.6

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Sildenafil

Sildenafil

CAS No. : 139755-83-2

CAT No. : KMS002029

Formula : C22H30N6O4S

FW : 474.6

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Sildenafil Acid Impurity

Sildenafil Acid Impurity

CAS No. : 139756-00-6

CAT No. : KMS002030

Formula : C8H11N3O4

FW : 213.2

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Sildenafil Amino Amide Impurity

Sildenafil Amino Amide Impurity

CAS No. : 139756-02-8

CAT No. : KMS002031

Formula : C8H14N4O

FW : 182.2

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Sildenafil Chlorosulfone Impurity

Sildenafil Chlorosulfone Impurity

CAS No. : 139756-22-2

CAT No. : KMS002034

Formula : C17H19ClN4O4S 

FW : 410.9

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Sildenafil Citrate 

Sildenafil Citrate 

CAS No. : 171599-83-0

CAT No. : KMS002035

Formula : C22H30N6O4S : C6H8O7

FW : 474.6 : 192.1

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Sildenafil Di-Amide Impurity

Sildenafil Di-Amide Impurity

CAS No. : 139756-03-9

CAT No. : KMS002039

Formula : C17H22N4O3

FW : 330.4

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Sildenafil EP Impurity A

Sildenafil EP Impurity A

CAS No. : 1391053-95-4

CAT No. : KMS002041

Formula : C23H32N6O4S

FW : 488.6

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Sildenafil EP Impurity C

Sildenafil EP Impurity C

CAS No. : 139755-91-2

CAT No. : KMS002043

Formula : C20H26N6O4S

FW : 446.5

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Sildenafil EP Impurity D

Sildenafil EP Impurity D

CAS No. : 1357931-55-5

CAT No. : KMS002044

Formula : C17H20N4O5S

FW : 392.4

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Sildenafil EP Impurity E

Sildenafil EP Impurity E

CAS No. : 288-32-4

CAT No. : KMS002045

Formula : C3H4N2

FW : 68.1

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Sildenafil EP Impurity G

Sildenafil EP Impurity G

CAS No. : 1346602-67-2

CAT No. : KMS002047

Formula : C38H46N10O8S2

FW : 835.0

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Sildenafil Impurity 1

Sildenafil Impurity 1

CAS No. : 501120-38-3

CAT No. : KMS002048

Formula : C17H22N4O3

FW : 330.4

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Sildenafil Impurity 2

Sildenafil Impurity 2

CAS No. : 1004455-71-3

CAT No. : KMS002050

Formula : C9H13N3O4

FW : 227.2

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Sildenafil Impurity 3

Sildenafil Impurity 3

CAS No. : 1467610-65-6

CAT No. : KMS002051

Formula : C18H22N4O2

FW : 326.4

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Sildenafil Impurity 4

Sildenafil Impurity 4

CAS No. : 911715-34-9

CAT No. : KMS002052

Formula : C9H14N4O3

FW : 226.2

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Sildenafil Impurity 5

Sildenafil Impurity 5

CAS No. : 247583-78-4

CAT No. : KMS002053

Formula : C8H14N4O

FW : 182.2

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Sildenafil Impurity 6

Sildenafil Impurity 6

CAS No. : 268204-00-8

CAT No. : KMS002054

Formula : C9H16N4O

FW : 196.3

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Sildenafil Impurity 7

Sildenafil Impurity 7

CAS No. : 247583-72-8

CAT No. : KMS002055

Formula : C8H12N4O3

FW : 212.2

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Sildenafil Impurity B

Sildenafil Impurity B

CAS No. : 200575-15-1

CAT No. : KMS002058

Formula : C22H32N6O5S

FW : 492.6

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Sildenafil Lactam Impurity

Sildenafil Lactam Impurity

CAS No. : 139756-21-1

CAT No. : KMS002059

Formula : C17H20N4O2

FW : 312.4

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Sildenafil Methyl Sulfonate Ester Impurity

Sildenafil Methyl Sulfonate Ester Impurity

CAS No. : 2512206-40-3

CAT No. : KMS002060

Formula : C18H22N4O5S

FW : 406.5

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Sildenafil Nitroamide

Sildenafil Nitroamide

CAS No. : 139756-01-7

CAT No. : KMS002061

Formula : C8H12N4O3

FW : 212.2

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Pyrazole N-Demethyl Sildenafil

Pyrazole N-Demethyl Sildenafil

CAS No. : 139755-95-6

CAT No. : KMS002028

Formula : C21H28N6O4S

FW : 460.6

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Sildenafil Impurity 8

Sildenafil Impurity 8

CAS No. : 139755-98-9

CAT No. : KMS002056

Formula : C23H32N6O4S

FW : 488.6

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Amino Sildenafil

Amino Sildenafil

CAS No. : 319491-68-4

CAT No. : KMS002006

Formula : C18H23N5O4S

FW : 405.5

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Demethylpiperazinyl Desethyl Sildenafil Sulfonyl Chloride

Demethylpiperazinyl Desethyl Sildenafil Sulfonyl Chloride

CAS No. : 139756-27-7

CAT No. : KMS002007

Formula : C15H15ClN4O4S

FW : 382.8

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Demethylpiperazinyl Iso Sildenafil Sulfonyl Chloride

Demethylpiperazinyl Iso Sildenafil Sulfonyl Chloride

CAS No. : 501120-42-9

CAT No. : KMS002008

Formula : C17H19ClN4O4S

FW : 410.9

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Des(methylpiperazinyl) Chlorosulfone Impurity

Des(methylpiperazinyl) Chlorosulfone Impurity

CAS No. : 139756-31-3

CAT No. : KMS002009

Formula : C16H17ClN4O4S

FW : 396.9

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Descarbon Sildenafil

Descarbon Sildenafil

CAS No. : 466684-88-8

CAT No. : KMS002010

Formula : C20H28N6O4S

FW : 448.5

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Desmethyl Carbodenafil Impurity

Desmethyl Carbodenafil Impurity

CAS No. : 147676-79-7

CAT No. : KMS002011

Formula : C23H30N6O3

FW : 438.5

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Desmethyl Thiosildenafil

Desmethyl Thiosildenafil

CAS No. : 479073-86-4

CAT No. : KMS002013

Formula : C21H28N6O3S2

FW : 476.6

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Dimethyl Sildenafil

Dimethyl Sildenafil

CAS No. : 1416130-63-6

CAT No. : KMS002015

Formula : C23H32N6O4S

FW : 488.6

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Hydroxyhomo Sildenafil

Hydroxyhomo Sildenafil

CAS No. : 139755-85-4

CAT No. : KMS002017

Formula : C23H32N6O5S

FW : 504.6

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Isobutylpyrazolopyrimidine Impurity

Isobutylpyrazolopyrimidine Impurity

CAS No. : 1346600-82-5

CAT No. : KMS002019

Formula : C9H12N4

FW : 176.2

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N-Desmethyl Sildenafil N-Glucuronide

N-Desmethyl Sildenafil N-Glucuronide

CAS No. : NA

CAT No. : KMS002021

Formula : C27H36N6O10S

FW : 636.7

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N-Desmethyl Sildenafil-N-β-D-Glucuronide

N-Desmethyl Sildenafil-N-β-D-Glucuronide

CAS No. : NA

CAT No. : KMS002022

Formula : C27H35N6O10S : Na

FW : 635.7 : 23.0

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Sildenafil Carboxylic Acid Impurity

Sildenafil Carboxylic Acid Impurity

CAS No. : 147676-78-6

CAT No. : KMS002032

Formula : C18H20N4O4

FW : 356.4

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Sildenafil Chloroacetyl Impurity

Sildenafil Chloroacetyl Impurity

CAS No. : 1058653-74-9

CAT No. : KMS002033

Formula : C19H21ClN4O3

FW : 388.9

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Sildenafil Impurity 10

Sildenafil Impurity 10

CAS No. : NA

CAT No. : KMS002049

Formula : C18H21N3O2

FW : 311.4

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Sildenafil Impurity 9

Sildenafil Impurity 9

CAS No. : NA

CAT No. : KMS002057

Formula : C22H30N6O5S

FW : 490.6

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Sildenafil D5

Sildenafil D5

CAS No. : 951385-70-9

CAT No. : KMS002037

Formula : C22H25D5N6O4S

FW : 479.6

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Sildenafil Dimer D8

Sildenafil Dimer D8

CAS No. : NA

CAT No. : KMS002040

Formula : C38H38D8N10O8S2

FW : 843.0

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Sildenafil-d3

Sildenafil-d3

CAS No. : 1126745-90-1

CAT No. : KMS002062

Formula : C22H27D3N6O4S

FW : 477.6

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Sildenafil D8

Sildenafil D8

CAS No. : 951385-68-5

CAT No. : KMS002038

Formula : C22H22D8N6O4S

FW : 482.6

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Desmethyl Sildenafil D3

Desmethyl Sildenafil D3

CAS No. : 1346603-75-5

CAT No. : KMS002012

Formula : C20H23D3N6O4S

FW : 449.5

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Desmethyl Thiosildenafil D8

Desmethyl Thiosildenafil D8

CAS No. : 1215321-44-0

CAT No. : KMS002014

Formula : C21H20D8N6O3S2

FW : 484.7

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Homo Sildenafil D5

Homo Sildenafil D5

CAS No. : 1216711-61-3

CAT No. : KMS002016

Formula : C23H27D5N6O4S

FW : 493.6

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N-Desmethyl Sildenafil D8

N-Desmethyl Sildenafil D8

CAS No. : 1185168-06-2

CAT No. : KMS002020

Formula : C21H20D8N6O4S

FW : 468.6

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Propoxyphenyl-Thiosildenafil-D8

Propoxyphenyl-Thiosildenafil-D8

CAS No. : NA

CAT No. : KMS002027

Formula : C23H24D8N6O3S2

FW : 512.7

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Sildenafil Citrate 13CD3

Sildenafil Citrate 13CD3

CAS No. : NA

CAT No. : KMS002036

Formula : C2113CH27D3N6O4S : C6H8O7

FW : 478.6 : 192.1

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Nitroso Prodenafil

Nitroso Prodenafil

CAS No. : NA

CAT No. : KMS002026

Formula : C27H35N9O5S2

FW : 629.8

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N-Nitroso Pyrazole N-Demethyl Sildenafil

N-Nitroso Pyrazole N-Demethyl Sildenafil

CAS No. : NA

CAT No. : KMS002024

Formula : C21H27N7O5S

FW : 489.6

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N-Nitroso Sildenafil

N-Nitroso Sildenafil

CAS No. : NA

CAT No. : KMS002025

Formula : C22H29N7O5S

FW : 503.6

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Sildenafil EP Impurity B

Sildenafil EP Impurity B

CAS No. : 1094598-75-0

CAT No. : KMS002042

Formula : C22H30N6O5S

FW : 490.6

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Sildenafil EP Impurity F

Sildenafil EP Impurity F

CAS No. : 139755-82-1

CAT No. : KMS002046

Formula : C21H28N6O4S

FW : 460.6

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N-Nitroso N-Desmethyl Sildenafil

N-Nitroso N-Desmethyl Sildenafil

CAS No. : NA

CAT No. : KMS002023

Formula : C21H27N7O5S

FW : 489.6

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