Intermediate of API

Propoxyphenyl Thioaildenafil

CasNo:856190-49-3

Molecular Formula:C24H34N6O3S2

Specifications:>99%HPLC

Propoxyphenyl-Thiosildenafil

CasNo:479073-87-5

Molecular Formula:C23H32N6O3S2

Specifications:>99%HPLC

Propoxyphenyl-thiohydroxyhomosildenafil

CasNo:479073-90-0

Molecular Formula:C24H34N6O4S2

Specifications:>99%HPLC

N-Boc-N-desethyl Acetildenafil

CasNo:1246820-46-1

Molecular Formula:C28H38N6O5

Specifications:>98%HPLC

1-Methyl-4-nitro-3-propyl-(1H)-pyrazole-5-carboxamide

CasNo:139756-01-7

Molecular Formula:C8H12N4O3

Specifications:>95+%

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

CasNo:139755-99-0

Molecular Formula:C8H12N2O2

Specifications:>95+%

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

CasNo:139756-22-2

Molecular Formula:C17H19ClN4O4S

Specifications:>95+%

1-Methyl-3-propyl-1H-pyrazole-5-carboxylic acid ethyl ester

CasNo:133261-07-1

Molecular Formula:C10H16N2O2

Specifications:>95+%

Ethyl 2,4-dioxoheptanoate

CasNo:36983-31-0

Molecular Formula:C9H14O4

Specifications:>95+%

Sildenafil Impurity 22

CasNo:139756-26-6

Molecular Formula:C15H16N4O2

Specifications:>95+%HPLC

Sildenafil Impurity 21

CasNo:269394-18-5

Molecular Formula:C15H18N4O3

Specifications:>95+%HPLC

Ethyl 2-Ethoxybenzoate

CasNo:6290-24-0

Molecular Formula:C11H14O3

Specifications:>95+%