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| Product Name | MF | CAS | Details |
|---|
| Sildenafil impurity 39；Sildenafil pyrimidinone | C17H20N4O2 | 139756-21-1 | Details |
| Sildenafil impurity 38 | C17H19ClN4O4S | 139756-22-2 | Details |
| Sildenafil impurity 36；Sildenafil Amide | C8H12N4O3 | 139756-01-7 | Details |
| Sildenafil impurity 32；N-Boc-N-desethyl Acetildenafil | C28H38N6O5 | 1246820-46-1 | Details |
| Sildenafil impurity 31；Propoxyphenyl-thiohydroxyhomosildenafil | C24H34N6O4S2 | 479073-90-0 | Details |
| Sildenafil impurity 37 | C8H12N2O2 | 139755-99-0 | Details |
| Sildenafil impurity 41；Ethyl 2,4-dioxoheptanoate | C9H14O4 | 36983-31-0 | Details |
| Sildenafil impurity 28 | C7H10N4O3 | 139756-08-4 | Details |
| Sildenafil impurity 29；Propoxyphenyl Thioaildenafil | C24H34N6O3S2 | 856190-49-3 | Details |
| Sildenafil impurity 43 | C15H16N4O2 | 139756-26-6 | Details |
| Sildenafil impurity 44 | C15H18N4O3 | 269394-18-5 | Details |
| Sildenafil impurity 30；Propoxyphenyl-Thiosildenafil | C23H32N6O3S2 | 479073-87-5 | Details |
| Sildenafil impurity 40 | C10H16N2O2 | 133261-07-1 | Details |
| Sildenafil impurity 42 | C8H14N4O | 139756-02-8 | Details |
| Sildenafil Impurity 50 | C14H20N2O5S | 194602-23-8 | Details |
| Sildenafil Impurity 52；2,5-Dimethyl-4-nitro-2 H -pyrazole-3-carboxylic acid | C6H7N3O4 | 3920-37-4 | Details |
| Sildenafil Impurity 57；1-Methyl-3-(2-methylpropyl)-1H-pyrazole-5-carboxylic acid ethyl ester | C11H18N2O2 | 133261-09-3 | Details |
| Sildefil Impurity 49；1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid | C8H11N3O4 | 139756-00-6 | Details |
| Sildenafil Impurity 63 | C17H21N5O4S | 372089-76-4 | Details |
| Sildenafil Impurity 66 | C8H10ClN3O3 | 360068-47-9 | Details |
| Sildenafil Impurity 65 | C18H22N4O4S | 459834-16-3 | Details |
| Sildenafil impurity 45；Ethyl 2-ethoxybenzoate | C11H14O3 | 6290-24-0 | Details |
| Sildenafil Impurity 53；3-ethyl-1-methyl-1H-pyrazole-5-carboxylic acid | C7H10N2O2 | 26308-42-9 | Details |
| Sildenafil Impurity 51；Ethyl 3-methyl-1H-pyrazole-5-carboxylate | C7H10N2O2 | 4027-57-0 | Details |
| Sildenafil Impurity 62 | C8H13N3O2 | 383427-88-1 | Details |
| Sildenafil Impurity 55；1,3-Dimethylpyrazole-5-carboxylic acid | C6H8N2O2 | 5744-56-9 | Details |
| Sildenafil Impurity 76；Ethyl 5-isopropylpyrazole-3-carboxylate | C9H14N2O2 | 78208-72-7 | Details |
| Sildenafil impurity 46；Methyl 2-ethoxybenzoate | C10H12O3 | 3686-55-3 | Details |
| Sildefil Impurity 47 | C10H17N3O2 | 304435-83-4 | Details |
| Sildefil Impurity 48；Ethyl 3-n-propylpyrazole-5-carboxylate | C9H14N2O2 | 92945-27-2 | Details |
| Sildenafil Impurity 79 | C16H18N4O2 | 479074-16-3 | Details |
| Sildenafil Impurity 58 | C5H12N2O3S | 116833-23-9 | Details |
| Sildenafil Impurity 101；1-METHYL-3-ISOPROPYL-1H-PYRAZOLE-5-CARBOXYLICACID | C8H12N2O2 | 78208-73-8 | Details |
| Sildenafil Impurity 81 | C17H20N4OS | 479074-06-1 | Details |
| Sildenafil Impurity 78 | C21H28N6O4S | 263897-18-3 | Details |
| Sildenafil Impurity 73；Pyrazole N-DeMethyl Sildenafil | C21H28N6O4S | 139755-95-6 | Details |
| Sildenafil Impurity 99 | C12H16N2O5S | 960009-35-2 | Details |
| Sildenafil Impurity 96 | C18H21ClN4O4S | 139756-24-4 | Details |
| Sildenafil Impurity 67 | C17H21ClN4O5S | 226956-42-9 | Details |
| Sildenafil Impurity 69；Carbodenafil | C24H32N6O3 | 944241-52-5 | Details |
| Sildenafil Impurity 74 | C18H22N4O2 | 139756-23-3 | Details |
| Sildenafil Impurity 82 | C8H12N4O3 | 792969-85-8 | Details |
| Sildenafil Impurity 60；HydroxyhoMo Sildenafil | C23H32N6O5S | 139755-85-4 | Details |
| Sildenafil Impurity 84；Desmethyl Thiosildenafil | C21H28N6O3S2 | 479073-86-4 | Details |
| Sildenafil Impurity 89 | C17H22N4O2 | 845302-49-0 | Details |
| Sildenafil Impurity 72；O-Desethyl-O-propyl Methisosildenafil | C24H34N6O4S | 1391053-82-9 | Details |
| Sildenafil Impurity 102；3-isopropyl-1-methyl-4-nitro-1H-pyrazole-5-carboxylic acid | C8H11N3O4 | 78208-74-9 | Details |
| Sildenafil Impurity 93；N-Desethyl Acetildenafil | C23H30N6O3 | 147676-55-9 | Details |
| Sildenafil Impurity 75 | C16H18N4O2 | 139756-30-2 | Details |
| Sildenafil Impurity 97 | C18H24N4O3 | 139756-04-0 | Details |
| Sildenafil Impurity 68 | C5H7N5O3 | 482573-92-2 | Details |
| Sildenafil Impurity 87；Hydroxythioacetildenafil | C25H34N6O3S | 1159977-47-5 | Details |
| Sildenafil Impurity 61 | C8H14N4O | 503064-95-7 | Details |
| Sildenafil Impurity 85；Thiohomosildenafil | C23H32N6O3S2 | 479073-80-8 | Details |
| Sildenafil Impurity 100 | C7H12N4O | 76424-56-1 | Details |
| Sildenafil Impurity 77 | C16H17ClN4O4S | 866256-11-3 | Details |
| Sildenafil Impurity 94 | C18H20N4O4 | 147676-78-6 | Details |
| Sildenafil Impurity 86；Propoxyphenyl Sildenafil | C23H32N6O4S | 877777-10-1 | Details |
| Sildenafil Impurity 92；DeMethylpiperazinyl 7-Desoxo 7-Thioxosildenafil Sulfonic Acid | C17H20N4O4S2 | 1353018-10-6 | Details |
| Sildenafil Impurity 133;Nor-acetildenafil | C24H32N6O3 | 949091-38-7 | Details |
| Sildenafil Impurity 90；Chlorodenafil | C19H21ClN4O3 | 1058653-74-9 | Details |
| Sildenafil Impurity 59 | C8H13N3O | 1185292-79-8 | Details |
| Sildenafil Impurity 107 | C17H19ClN4O2 | 1428862-09-2 | Details |
| Sildenafil Impurity 103；5-CHLOROSULFONYL-2-ETHOXYBENZOIC ACID | C9H9ClO5S | 200575-16-2 | Details |
| Sildenafil Impurity 154 | C7H9N3O4 | 76424-48-1 | Details |
| Sildenafil Impurity 145； Hydroxy Acetildenafil | C25H34N6O4 | 147676-56-0 | Details |
| Sildenafil Impurity 128；5-chloro-2-ethoxybenzoic acid | C9H9ClO3 | 62871-12-9 | Details |
| Sildenafil Impurity160; Dithiopropylcarbodenafil | C25H34N6OS2 | 2196244-90-1 | Details |
| Sildenafil Impurity 162 | C24H32N6O4 | 2520113-14-6 | Details |
| Sildenafil Impurity 125；Propoxyphenyl ThiohoMosidenafil | C24H34N6O3S2 | 479073-88-6 | Details |
| Sildenafil Impurity 117 | C7H10N4O3 | 247583-67-1 | Details |
| Sildenafil Impurity 159； Benzamide, 3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-N-[2-(dimethylamino)ethyl]-4-propoxy- | C23H32N6O3 | 2711006-62-9 | Details |
| Sildenafil Impurity 108 | C16H20N4O3 | 139756-10-8 | Details |
| Sildenafil Impurity 140 | C18H23ClN4O5S | 374776-34-8 | Details |
| Sildenafil Impurity 139；Dioxoacetildenafil | C6H13ClN2O | 873221-66-0 | Details |
| Sildenafil Impurity 131；Sildenafil Ethylphenyl Impurity | C27H32N6O4S | 1007310-62-4 | Details |
| Sildenafil Impurity 110；Propoxyphenyl HoMohydroxysildenafil | C24H34N6O5S | 139755-87-6 | Details |
| N-Des2-(1-methyl-2-pyrrolidinyl)ethyl Udenafil | C18H23N5O4S | 319491-68-4 | Details |
| Sildenafil Impurity 123 | C22H28N6O3 | 1027192-92-2 | Details |
| Sildenafil Impurity 138；Dioxoacetildenafil | C25H30N6O5 | 1609405-33-5 | Details |
| Sildenafil Impurity 135； Oxohongdenafil | C25H32N6O4 | 1446144-70-2 | Details |
| Sildenafil Impurity 105 | C9H10O6S | 2021224-02-0 | Details |
| Sildenafil Impurity 104 | C20H35N3O5S | 215299-33-5 | Details |
| Sildenafil Impurity 114；；Acetildenafil | C25H34N6O3 | 831217-01-7 | Details |
| Sildenafil Impurity 143，5-(5-Chlorosulfonyl-2-ethoxyphenyl)-3-propyl-1,6-dihydro-7H-pyrazolo4,3-dpyrimidin-7-one | C16H17ClN4O4S | 139756-31-3 | Details |
| Sildenafil Impurity 118；Hydroxy Chlorodenafil | C19H23ClN4O3 | 1391054-00-4 | Details |
| Sildenafil Impurity 120 | C9H13N3O4 | 1004455-71-3 | Details |
| Sildenafil Impurity 121 | C18H22N4OS | 479074-08-3 | Details |
| Sildenafil Impurity 115 | C20H28N6O5S | 960009-36-3 | Details |
| Sildenafil Impurity 161 | C22H26N2O10S2 | 2725318-34-1 | Details |
| Sildenafil Impurity 112 | C6H8N4O3 | 78208-58-9 | Details |
| Sildenafil Impurity 113；ethyl 5-chloro-2-ethoxybenzoate | C11H13ClO3 | 73119-79-6 | Details |
| Sildenafil Impurity 144，5-propyl-1H-pyrazole-3-carboxylic acid | C7H10N2O2 | 76424-47-0 | Details |
| Sildenafil Impurity 124；Gendenafil | C19H22N4O3 | 147676-66-2 | Details |
| Sildenafil Impurity 111；Piperiacetildenafil | C24H31N5O3 | 147676-50-4 | Details |
| Sildenafil Impurity 130；N-Desmethyl-N-benzyl sildenafil | C28H34N6O4S | 1446089-82-2 | Details |
| Sildenafil Impurity 127；Descarbon Sildenafil | C21H30N6O4S | 1393816-99-3 | Details |
| Sildenafil Impurity 137；N-(2-Hydroxyethyl)piperazine | C6H14N2O | 103-76-4 | Details |
| Sildenafil Impurity 119；Hydroxythiohomo Sildenafil | C23H32N6O4S2 | 479073-82-0 | Details |
| Sildenafil Impurity 106；5-Chlorosulfonyl-2-hydroxybenzoic acid | C7H5ClO5S | 17243-13-9 | Details |
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