Pioneering Impurity Solutions
We specialize in the identification, isolation, and synthesis of process-related impurities. Our expertise extends to a wide array of impurities, including isomeric impurities, degradation impurities, metabolites, and glucuronides.
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Product Data
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Technical Data
Chemical Name : 5-[2-Ethoxy-5-[(4-ethyl-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one
Smiles : N/A
Synonym : N/A
Related Products
Sildenafil
CAT No: o2h-S023000
CAS No: 139755-83-2
Mol.F. : C22H30N6O4S
Mol.Wt. : 474.6
Sildenafil EP Impurity A
CAT No: o2h-S023001
CAS No: 1391053-95-4
Mol.F. : C23H32N6O4S
Mol.Wt. : 488.6
Sildenafil Impurity B
CAT No: o2h-S023003
CAS No: 200575-15-1
Mol.F. : C22H32N6O5S
Mol.Wt. : 492.6
Sildenafil EP Impurity B
CAT No: o2h-S023002
CAS No: 1094598-75-0
Mol.F. : C22H30N6O5S
Mol.Wt. : 490.6
Sildenafil EP Impurity C
CAT No: o2h-S023004
CAS No: 139755-91-2
Mol.F. : C20H26N6O4S
Mol.Wt. : 446.5
Sildenafil Impurity C
CAT No: o2h-S023005
CAS No: 139755-95-6
Mol.F. : C21H28N6O4S
Mol.Wt. : 460.6
Sildenafil EP Impurity F
CAT No: o2h-S023008
CAS No: 139755-82-1
Mol.F. : C21H28N6O4S
Mol.Wt. : 460.6
Sildenafil EP Impurity E
CAT No: o2h-S023007
CAS No: 288-32-4
Mol.F. : C3H4N2
Mol.Wt. : 68.1
Sildenafil EP Impurity D
CAT No: o2h-S023006
CAS No: 1357931-55-5
Mol.F. : C17H20N4O5S
Mol.Wt. : 392.4
Sildenafil EP Impurity G
CAT No: o2h-S023009
CAS No: 1346602-67-2
Mol.F. : C38H46N10O8S2
Mol.Wt. : 835
Sildenafil Carboxylic Acid Impurity
CAT No: o2h-S023012
CAS No: 147676-78-6
Mol.F. : C18H20N4O4
Mol.Wt. : 356.4
Sildenafil Amino Amide Impurity
CAT No: o2h-S023011
CAS No: 139756-02-8
Mol.F. : C8H14N4O
Mol.Wt. : 182.2
2-Ethoxybenzoyl Chloride Impurity
CAT No: o2h-S023010
CAS No: 42926-52-3
Mol.F. : C9H9ClO2
Mol.Wt. : 184.6
Chlorosulfone 2-Methyl Isomer
CAT No: o2h-S023014
CAS No: 501120-42-9
Mol.F. : C17H19ClN4O4S
Mol.Wt. : 410.9
Sildenafil Chloroacetyl Impurity
CAT No: o2h-S023013
CAS No: 1058653-74-9
Mol.F. : C19H21ClN4O3
Mol.Wt. : 388.9
Chlorosulfone O-Desethyl Impurit
CAT No: o2h-S023016
CAS No: 139756-27-7
Mol.F. : C15H15ClN4O4S
Mol.Wt. : 382.8
Sildenafil Chlorosulfone Impurity
CAT No: o2h-S023015
CAS No: 139756-22-2
Mol.F. : C17H19ClN4O4S
Mol.Wt. : 410.9
Des(methylpiperazinyl) Chlorosulfone Impurity
CAT No: o2h-S023017
CAS No: 139756-31-3
Mol.F. : C16H17ClN4O4S
Mol.Wt. : 396.9
Sildenafil Di-Amide Impurity
CAT No: o2h-S023019
CAS No: 139756-03-9
Mol.F. : C17H22N4O3
Mol.Wt. : 330.4
Sildenafil Descarbon Impurity
CAT No: o2h-S023018
CAS No: 1393816-99-3
Mol.F. : C21H30N6O4S
Mol.Wt. : 462.6
Isobutylpyrazolopyrimidine Impurity
CAT No: o2h-S023020
CAS No: 1346600-82-5
Mol.F. : C9H12N4
Mol.Wt. : 176.2
Iso Sildenafil
CAT No: o2h-S023023
CAS No: 253178-46-0
Mol.F. : C22H30N6O4S
Mol.Wt. : 474.6
Sildenafil N-Desmethyl Thione Impurity
CAT No: o2h-S023022
CAS No: 479073-86-4
Mol.F. : C21H28N6O3S2
Mol.Wt. : 476.6
Sildenafil Lactam Impurity
CAT No: o2h-S023021
CAS No: 139756-21-1
Mol.F. : C17H20N4O2
Mol.Wt. : 312.4
Sildenafil Acid Impurity
CAT No: o2h-S023024
CAS No: 139756-00-6
Mol.F. : C8H11N3O4
Mol.Wt. : 213.2
Sildenafil Methyl Sulfonate Ester Impurity
CAT No: o2h-S023027
CAS No: 2512206-40-3
Mol.F. : C18H22N4O5S
Mol.Wt. : 406.5
2-ethoxybenzoic acid
CAT No: o2h-S023026
CAS No: 134-11-2
Mol.F. : C9H10O3
Mol.Wt. : 166.2
Sildenafil Nitroamide
CAT No: o2h-S023025
CAS No: 139756-01-7
Mol.F. : C8H12N4O3
Mol.Wt. : 212.2
Sildenafil Citrate
CAT No: o2h-S023029
CAS No: 171599-83-0
Mol.F. : C22H30N6O4S : C6H8O7
Mol.Wt. : 474.6 : 192.1
Amino Sildenafil
CAT No: o2h-S023028
CAS No: 319491-68-4
Mol.F. : C18H23N5O4S
Mol.Wt. : 405.5
Sildenafil Impurity 1
CAT No: o2h-S023031
CAS No: 501120-38-3
Mol.F. : C17H22N4O3
Mol.Wt. : 330.4
N-Desmethyl Sildenafil-N-β-D-Glucuronide
CAT No: o2h-S023030
CAS No: N/A
Mol.F. : C27H35N6O10S : Na
Mol.Wt. : 635.7 : 23.0
Sildenafil Impurity 3
CAT No: o2h-S023033
CAS No: 1467610-65-6
Mol.F. : C18H22N4O2
Mol.Wt. : 326.4
Sildenafil Impurity 2
CAT No: o2h-S023032
CAS No: 1004455-71-3
Mol.F. : C9H13N3O4
Mol.Wt. : 227.2
Sildenafil Impurity 4
CAT No: o2h-S023034
CAS No: 911715-34-9
Mol.F. : C9H14N4O3
Mol.Wt. : 226.2
Sildenafil Impurity 7
CAT No: o2h-S023037
CAS No: 247583-72-8
Mol.F. : C8H12N4O3
Mol.Wt. : 212.2
Sildenafil Impurity 6
CAT No: o2h-S023036
CAS No: 268204-00-8
Mol.F. : C9H16N4O
Mol.Wt. : 196.3
Sildenafil Impurity 5
CAT No: o2h-S023035
CAS No: 247583-78-4
Mol.F. : C8H14N4O
Mol.Wt. : 182.2
Sildenafil Impurity 9
CAT No: o2h-S023039
CAS No: N/A
Mol.F. : C22H30N6O5S
Mol.Wt. : 490.6
Sildenafil Impurity 8
CAT No: o2h-S023038
CAS No: 139755-98-9
Mol.F. : C23H32N6O4S
Mol.Wt. : 488.6
Sildenafil D8
CAT No: o2h-S023041
CAS No: 951385-68-5
Mol.F. : C22H22D8N6O4S
Mol.Wt. : 482.6