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Sildenafil Impurity B
Overview
Chemical Name:
4-(2-Ethoxy-5-((4-methylpiperazin-1-yl)sulfonyl)benzamido)-1-methyl-3-propyl-1Hpyrazole-5-carboxamide
CAT No:
VS-S023003
CAS No:
200575-15-1
Mol.F.
C22H32N6O5S
Mol.Wt.:
492.6
Status:
Custom Synthesis
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Sildenafil
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CAT No
: VS-S023000
CAS No
: 139755-83-2
Mol.F.
: C22H30N6O4S
Mol.Wt.
: 474.6
Status
: Custom Synthesis
Sildenafil EP Impurity A
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CAT No
: VS-S023001
CAS No
: 1391053-95-4
Mol.F.
: C23H32N6O4S
Mol.Wt.
: 488.6
Status
: In Stock
Sildenafil EP Impurity B
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CAT No
: VS-S023002
CAS No
: 1094598-75-0
Mol.F.
: C22H30N6O5S
Mol.Wt.
: 490.6
Status
: In Stock
Sildenafil Impurity B
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CAT No
: VS-S023003
CAS No
: 200575-15-1
Mol.F.
: C22H32N6O5S
Mol.Wt.
: 492.6
Status
: Custom Synthesis
Sildenafil EP Impurity C
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CAT No
: VS-S023004
CAS No
: 139755-91-2
Mol.F.
: C20H26N6O4S
Mol.Wt.
: 446.5
Status
: In Stock
Sildenafil Impurity C
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CAT No
: VS-S023005
CAS No
: 139755-95-6
Mol.F.
: C21H28N6O4S
Mol.Wt.
: 460.6
Status
: Custom Synthesis
Sildenafil EP Impurity D
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CAT No
: VS-S023006
CAS No
: 1357931-55-5
Mol.F.
: C17H20N4O5S
Mol.Wt.
: 392.4
Status
: In Stock
Sildenafil EP Impurity E
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CAT No
: VS-S023007
CAS No
: 288-32-4
Mol.F.
: C3H4N2
Mol.Wt.
: 68.1
Status
: Limited Stock
Sildenafil EP Impurity F
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CAT No
: VS-S023008
CAS No
: 139755-82-1
Mol.F.
: C21H28N6O4S
Mol.Wt.
: 460.6
Status
: In Stock
Sildenafil EP Impurity G
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CAT No
: VS-S023009
CAS No
: 1346602-67-2
Mol.F.
: C38H46N10O8S2
Mol.Wt.
: 835
Status
: In Stock
2-Ethoxybenzoyl Chloride Impurity
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CAT No
: VS-S023010
CAS No
: 42926-52-3
Mol.F.
: C9H9ClO2
Mol.Wt.
: 184.6
Status
: Custom Synthesis
Sildenafil Amino Amide Impurity
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CAT No
: VS-S023011
CAS No
: 139756-02-8
Mol.F.
: C8H14N4O
Mol.Wt.
: 182.2
Status
: Custom Synthesis
Sildenafil Carboxylic Acid Impurity
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CAT No
: VS-S023012
CAS No
: 147676-78-6
Mol.F.
: C18H20N4O4
Mol.Wt.
: 356.4
Status
: Custom Synthesis
Sildenafil Chloroacetyl Impurity
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CAT No
: VS-S023013
CAS No
: 1058653-74-9
Mol.F.
: C19H21ClN4O3
Mol.Wt.
: 388.9
Status
: Custom Synthesis
Chlorosulfone 2-Methyl Isomer
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CAT No
: VS-S023014
CAS No
: 501120-42-9
Mol.F.
: C17H19ClN4O4S
Mol.Wt.
: 410.9
Status
: Custom Synthesis
Sildenafil Chlorosulfone Impurity
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CAT No
: VS-S023015
CAS No
: 139756-22-2
Mol.F.
: C17H19ClN4O4S
Mol.Wt.
: 410.9
Status
: Custom Synthesis
Chlorosulfone O-Desethyl Impurit
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CAT No
: VS-S023016
CAS No
: 139756-27-7
Mol.F.
: C15H15ClN4O4S
Mol.Wt.
: 382.8
Status
: Custom Synthesis
Des(methylpiperazinyl) Chlorosulfone Impurity
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CAT No
: VS-S023017
CAS No
: 139756-31-3
Mol.F.
: C16H17ClN4O4S
Mol.Wt.
: 396.9
Status
: Custom Synthesis
Sildenafil Descarbon Impurity
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CAT No
: VS-S023018
CAS No
: 1393816-99-3
Mol.F.
: C21H30N6O4S
Mol.Wt.
: 462.6
Status
: Custom Synthesis
Sildenafil Di-Amide Impurity
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CAT No
: VS-S023019
CAS No
: 139756-03-9
Mol.F.
: C17H22N4O3
Mol.Wt.
: 330.4
Status
: Custom Synthesis
Isobutylpyrazolopyrimidine Impurity
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CAT No
: VS-S023020
CAS No
: 1346600-82-5
Mol.F.
: C9H12N4
Mol.Wt.
: 176.2
Status
: Custom Synthesis
Sildenafil Lactam Impurity
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CAT No
: VS-S023021
CAS No
: 139756-21-1
Mol.F.
: C17H20N4O2
Mol.Wt.
: 312.4
Status
: In Stock
Sildenafil N-Desmethyl Thione Impurity
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CAT No
: VS-S023022
CAS No
: 479073-86-4
Mol.F.
: C21H28N6O3S2
Mol.Wt.
: 476.6
Status
: Custom Synthesis
Iso Sildenafil
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CAT No
: VS-S023023
CAS No
: 253178-46-0
Mol.F.
: C22H30N6O4S
Mol.Wt.
: 474.6
Status
: Custom Synthesis
Sildenafil Acid Impurity
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CAT No
: VS-S023024
CAS No
: 139756-00-6
Mol.F.
: C8H11N3O4
Mol.Wt.
: 213.2
Status
: In Stock
Sildenafil Nitroamide
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CAT No
: VS-S023025
CAS No
: 139756-01-7
Mol.F.
: C8H12N4O3
Mol.Wt.
: 212.2
Status
: In Stock
2-ethoxybenzoic acid
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CAT No
: VS-S023026
CAS No
: 134-11-2
Mol.F.
: C9H10O3
Mol.Wt.
: 166.2
Status
: Custom Synthesis
Sildenafil Methyl Sulfonate Ester Impurity
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CAT No
: VS-S023027
CAS No
: 2512206-40-3
Mol.F.
: C18H22N4O5S
Mol.Wt.
: 406.5
Status
: Limited Stock
Amino Sildenafil
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CAT No
: VS-S023028
CAS No
: 319491-68-4
Mol.F.
: C18H23N5O4S
Mol.Wt.
: 405.5
Status
: Custom Synthesis
Sildenafil Citrate
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CAT No
: VS-S023029
CAS No
: 171599-83-0
Mol.F.
: C22H30N6O4S : C6H8O7
Mol.Wt.
: 474.6 : 192.1
Status
: Custom Synthesis
N-Desmethyl Sildenafil-N-β-D-Glucuronide
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CAT No
: VS-S023030
CAS No
: N/A
Mol.F.
: C27H35N6O10S : Na
Mol.Wt.
: 635.7 : 23.0
Status
: Custom Synthesis
Sildenafil Impurity 1
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CAT No
: VS-S023031
CAS No
: 501120-38-3
Mol.F.
: C17H22N4O3
Mol.Wt.
: 330.4
Status
: Custom Synthesis
Sildenafil Impurity 2
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CAT No
: VS-S023032
CAS No
: 1004455-71-3
Mol.F.
: C9H13N3O4
Mol.Wt.
: 227.2
Status
: Custom Synthesis
Sildenafil Impurity 3
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CAT No
: VS-S023033
CAS No
: 1467610-65-6
Mol.F.
: C18H22N4O2
Mol.Wt.
: 326.4
Status
: Custom Synthesis
Sildenafil Impurity 4
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CAT No
: VS-S023034
CAS No
: 911715-34-9
Mol.F.
: C9H14N4O3
Mol.Wt.
: 226.2
Status
: Custom Synthesis
Sildenafil Impurity 5
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CAT No
: VS-S023035
CAS No
: 247583-78-4
Mol.F.
: C8H14N4O
Mol.Wt.
: 182.2
Status
: Custom Synthesis
Sildenafil Impurity 6
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CAT No
: VS-S023036
CAS No
: 268204-00-8
Mol.F.
: C9H16N4O
Mol.Wt.
: 196.3
Status
: Custom Synthesis
Sildenafil Impurity 7
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CAT No
: VS-S023037
CAS No
: 247583-72-8
Mol.F.
: C8H12N4O3
Mol.Wt.
: 212.2
Status
: In Stock
Sildenafil Impurity 8
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CAT No
: VS-S023038
CAS No
: 139755-98-9
Mol.F.
: C23H32N6O4S
Mol.Wt.
: 488.6
Status
: Custom Synthesis
Sildenafil Impurity 9
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CAT No
: VS-S023039
CAS No
: N/A
Mol.F.
: C22H30N6O5S
Mol.Wt.
: 490.6
Status
: Custom Synthesis
Homo Sildenafil
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CAT No
: VS-S023040
CAS No
: 642928-07-2
Mol.F.
: C23H32N6O4S
Mol.Wt.
: 488.61
Status
: Custom Synthesis
Sildenafil D8
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CAT No
: VS-S023041
CAS No
: 951385-68-5
Mol.F.
: C22H22D8N6O4S
Mol.Wt.
: 482.6
Status
: Custom Synthesis
Sildenafil Impurity 10
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CAT No
: VS-S023042
CAS No
: 360068-47-9
Mol.F.
: C8H10ClN3O3
Mol.Wt.
: 231.64
Status
: Custom Synthesis
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