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SCOPE Pharmachem plus LLP

Scope Pharmachem Plus LLP is a reliable contract research organization (CRO) specialized in the custom synthesis of pharmacopeial & non-pharmacopeial reference standards, working standards, drug metabolites, glucuronides, and nitrosamine impurities for global pharmaceutical quality assurance.

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Homo Sildenafil D5

Homo Sildenafil D5

Cat. No:CL-S006D04
CAS No:1216711-61-3
Mol. F:C23H27D5N6O4S
Mol. Wt:493.6
Inv. Status:In Stock
N-Desmethyl Sildenafil D8

N-Desmethyl Sildenafil D8

Cat. No:CL-S006D03
CAS No:1185168-06-2
Mol. F:C21H20D8N6O4S
Mol. Wt:468.6
Inv. Status:In Stock
Sildenafil D8

Sildenafil D8

Cat. No:CL-S006D02
CAS No:951385-68-5
Mol. F:C22H22D8N6O4S
Mol. Wt:482.6
Inv. Status:In Stock
N-Nitroso N-Desmethyl Sildenafil-d8

N-Nitroso N-Desmethyl Sildenafil-d8

Cat. No:CL-S006D11
CAS No:NA
Mol. F:C21H19D8N7O5S
Mol. Wt:497.6
Inv. Status:In Stock
Propoxyphenyl-Thiosildenafil-D8

Propoxyphenyl-Thiosildenafil-D8

Cat. No:CL-S006D10
CAS No:NA
Mol. F:C23H24D8N6O3S2
Mol. Wt:512.7
Inv. Status:In Stock
Desmethyl Sildenafil D3

Desmethyl Sildenafil D3

Cat. No:CL-S006D05
CAS No:1346603-75-5
Mol. F:C20H23D3N6O4S
Mol. Wt:449.5
Inv. Status:In Stock
Sildenafil Dimer D8

Sildenafil Dimer D8

Cat. No:CL-S006D09
CAS No:NA
Mol. F:C38H38D8N10O8S2
Mol. Wt:843
Inv. Status:In Stock
Sildenafil Citrate 13CD3

Sildenafil Citrate 13CD3

Cat. No:CL-S006D07
CAS No:NA
Mol. F:C2113CH27D3N6O4S : C6H8O7
Mol. Wt:478.6
Inv. Status:In Stock
Sildenafil-d3

Sildenafil-d3

Cat. No:CL-S006D08
CAS No:1126745-90-1
Mol. F:C22H27D3N6O4S
Mol. Wt:477.6
Inv. Status:In Stock
Sildenafil D5

Sildenafil D5

Cat. No:CL-S006D01
CAS No:951385-70-9
Mol. F:C22H25D5N6O4S
Mol. Wt:479.6
Inv. Status:In Stock
Desmethyl Thiosildenafil D8

Desmethyl Thiosildenafil D8

Cat. No:CL-S006D06
CAS No:1215321-44-0
Mol. F:C21H20D8N6O3S2
Mol. Wt:484.7
Inv. Status:In Stock
N-Nitroso N-Desmethyl Sildenafil

N-Nitroso N-Desmethyl Sildenafil

Cat. No:CL-S006043
CAS No:3104323-42-1
Mol. F:C21H27N7O5S
Mol. Wt:489.6
Inv. Status:In Stock
N-Nitroso Pyrazole N-Demethyl Sildenafil

N-Nitroso Pyrazole N-Demethyl Sildenafil

Cat. No:CL-S006042
CAS No:NA
Mol. F:C21H27N7O5S
Mol. Wt:489.6
Inv. Status:In Stock
N-Nitroso Sildenafil

N-Nitroso Sildenafil

Cat. No:CL-S006040
CAS No:NA
Mol. F:C22H29N7O5S
Mol. Wt:503.6
Inv. Status:In Stock
Nitroso Prodenafil

Nitroso Prodenafil

Cat. No:CL-S006044
CAS No:NA
Mol. F:C27H35N9O5S2
Mol. Wt:629.8
Inv. Status:In Stock
Sildenafil Impurity 14

Sildenafil Impurity 14

Cat. No:CL-S006055
CAS No:383427-87-0
Mol. F:C14H21N3O4S
Mol. Wt:327.4
Inv. Status:In Stock
Desmethyl Carbodenafil Impurity

Desmethyl Carbodenafil Impurity

Cat. No:CL-S006046
CAS No:147676-79-7
Mol. F:C23H30N6O3
Mol. Wt:438.5
Inv. Status:In Stock
Sildenafil Ethyl Sulfonate Impurity

Sildenafil Ethyl Sulfonate Impurity

Cat. No:CL-S006050
CAS No:1971915-89-5
Mol. F:C19H24N4O5S
Mol. Wt:420.5
Inv. Status:In Stock
Sildenafil Chlorosulfone Impurity

Sildenafil Chlorosulfone Impurity

Cat. No:CL-S006011
CAS No:139756-22-2
Mol. F:C17H19ClN4O4S
Mol. Wt:410.9
Inv. Status:In Stock
Sildenafil Impurity 10

Sildenafil Impurity 10

Cat. No:CL-S006041
CAS No:NA
Mol. F:C18H21N3O2
Mol. Wt:311.4
Inv. Status:In Stock
Descarbon Sildenafil

Descarbon Sildenafil

Cat. No:CL-S006014
CAS No:466684-88-8
Mol. F:C20H28N6O4S
Mol. Wt:448.5
Inv. Status:In Stock
Sildenafil

Sildenafil

Cat. No:CL-S006000
CAS No:139755-83-2
Mol. F:C22H30N6O4S
Mol. Wt:474.6
Inv. Status:In Stock
Sildenafil Impurity 8

Sildenafil Impurity 8

Cat. No:CL-S006037
CAS No:139755-98-9
Mol. F:C23H32N6O4S
Mol. Wt:488.6
Inv. Status:In Stock
2-Ethoxybenzoyl Chloride Impurity

2-Ethoxybenzoyl Chloride Impurity

Cat. No:CL-S006006
CAS No:42926-52-3
Mol. F:C9H9ClO2
Mol. Wt:184.6
Inv. Status:In Stock
Sildenafil EP Impurity G

Sildenafil EP Impurity G

Cat. No:CL-S006016
CAS No:1346602-67-2
Mol. F:C38H46N10O8S2
Mol. Wt:835
Inv. Status:In Stock
Sildenafil Carboxylic Acid Impurity

Sildenafil Carboxylic Acid Impurity

Cat. No:CL-S006008
CAS No:147676-78-6
Mol. F:C18H20N4O4
Mol. Wt:356.4
Inv. Status:In Stock
Sildenafil Lactam Impurity

Sildenafil Lactam Impurity

Cat. No:CL-S006018
CAS No:139756-21-1
Mol. F:C17H20N4O2
Mol. Wt:312.4
Inv. Status:In Stock
Sildenafil Impurity 3

Sildenafil Impurity 3

Cat. No:CL-S006023
CAS No:1467610-65-6
Mol. F:C18H22N4O2
Mol. Wt:326.4
Inv. Status:In Stock
Sildenafil EP Impurity A

Sildenafil EP Impurity A

Cat. No:CL-S006002
CAS No:1391053-95-4
Mol. F:C23H32N6O4S
Mol. Wt:488.6
Inv. Status:In Stock
Sildenafil Impurity 15

Sildenafil Impurity 15

Cat. No:CL-S006056
CAS No:NA
Mol. F:C26H36N6O6S
Mol. Wt:560.7
Inv. Status:In Stock
Sildenafil EP Impurity D

Sildenafil EP Impurity D

Cat. No:CL-S006005
CAS No:1357931-55-5
Mol. F:C17H20N4O5S
Mol. Wt:392.4
Inv. Status:In Stock
Sildenafil Impurity 7

Sildenafil Impurity 7

Cat. No:CL-S006028
CAS No:247583-72-8
Mol. F:C8H12N4O3
Mol. Wt:212.2
Inv. Status:In Stock
Demethylpiperazinyl Iso Sildenafil Sulfonyl Chloride

Demethylpiperazinyl Iso Sildenafil Sulfonyl Chloride

Cat. No:CL-S006010
CAS No:501120-42-9
Mol. F:C17H19ClN4O4S
Mol. Wt:410.9
Inv. Status:In Stock
Demethylpiperazinyl Desethyl Sildenafil Sulfonyl Chloride

Demethylpiperazinyl Desethyl Sildenafil Sulfonyl Chloride

Cat. No:CL-S006012
CAS No:139756-27-7
Mol. F:C15H15ClN4O4S
Mol. Wt:382.8
Inv. Status:In Stock
N-Desmethyl Sildenafil-N-β-D-Glucuronide

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

Cat. No:CL-S006039
CAS No:NA
Mol. F:C27H35N6O10S : Na
Mol. Wt:635.7
Inv. Status:In Stock
Sildenafil Methyl Sulfonate Ester Impurity

Sildenafil Methyl Sulfonate Ester Impurity

Cat. No:CL-S006032
CAS No:2512206-40-3
Mol. F:C18H22N4O5S
Mol. Wt:406.5
Inv. Status:In Stock
Sildenafil Chloroacetyl Impurity

Sildenafil Chloroacetyl Impurity

Cat. No:CL-S006009
CAS No:1058653-74-9
Mol. F:C19H21ClN4O3
Mol. Wt:388.9
Inv. Status:In Stock
Sildenafil Impurity 2

Sildenafil Impurity 2

Cat. No:CL-S006022
CAS No:1004455-71-3
Mol. F:C9H13N3O4
Mol. Wt:227.2
Inv. Status:In Stock
Sildenafil Impurity 11

Sildenafil Impurity 11

Cat. No:CL-S006051
CAS No:1829588-57-9
Mol. F:C17H19ClN4O2
Mol. Wt:346.8
Inv. Status:In Stock
Isobutylpyrazolopyrimidine Impurity

Isobutylpyrazolopyrimidine Impurity

Cat. No:CL-S006017
CAS No:1346600-82-5
Mol. F:C9H12N4
Mol. Wt:176.2
Inv. Status:In Stock
Sildenafil EP Impurity F

Sildenafil EP Impurity F

Cat. No:CL-S006019
CAS No:139755-82-1
Mol. F:C21H28N6O4S
Mol. Wt:460.6
Inv. Status:In Stock
Sildenafil Citrate

Sildenafil Citrate

Cat. No:CL-S006036
CAS No:171599-83-0
Mol. F:C22H30N6O4S : C6H8O7
Mol. Wt:474.6
Inv. Status:In Stock
Sildenafil EP Impurity B

Sildenafil EP Impurity B

Cat. No:CL-S006003
CAS No:1094598-75-0
Mol. F:C22H30N6O5S
Mol. Wt:490.6
Inv. Status:In Stock
Dimethyl Sildenafil

Dimethyl Sildenafil

Cat. No:CL-S006048
CAS No:1416130-63-6
Mol. F:C23H32N6O4S
Mol. Wt:488.6
Inv. Status:In Stock
Sildenafil Impurity 6

Sildenafil Impurity 6

Cat. No:CL-S006027
CAS No:268204-00-8
Mol. F:C9H16N4O
Mol. Wt:196.3
Inv. Status:In Stock
Des(methylpiperazinyl) Chlorosulfone Impurity

Des(methylpiperazinyl) Chlorosulfone Impurity

Cat. No:CL-S006013
CAS No:139756-31-3
Mol. F:C16H17ClN4O4S
Mol. Wt:396.9
Inv. Status:In Stock
Hydroxyhomo Sildenafil

Hydroxyhomo Sildenafil

Cat. No:CL-S006049
CAS No:139755-85-4
Mol. F:C23H32N6O5S
Mol. Wt:504.6
Inv. Status:In Stock
Desmethyl Thiosildenafil

Desmethyl Thiosildenafil

Cat. No:CL-S006020
CAS No:479073-86-4
Mol. F:C21H28N6O3S2
Mol. Wt:476.6
Inv. Status:In Stock
Sildenafil Impurity 1

Sildenafil Impurity 1

Cat. No:CL-S006021
CAS No:501120-38-3
Mol. F:C17H22N4O3
Mol. Wt:330.4
Inv. Status:In Stock
Sildenafil EP Impurity E

Sildenafil EP Impurity E

Cat. No:CL-S006033
CAS No:288-32-4
Mol. F:C3H4N2
Mol. Wt:68.1
Inv. Status:In Stock
Iso Sildenafil

Iso Sildenafil

Cat. No:CL-S006024
CAS No:253178-46-0
Mol. F:C22H30N6O4S
Mol. Wt:474.6
Inv. Status:In Stock
Sildenafil Impurity 9

Sildenafil Impurity 9

Cat. No:CL-S006038
CAS No:NA
Mol. F:C22H30N6O5S
Mol. Wt:490.6
Inv. Status:In Stock
Sildenafil Impurity 4

Sildenafil Impurity 4

Cat. No:CL-S006025
CAS No:911715-34-9
Mol. F:C9H14N4O3
Mol. Wt:226.2
Inv. Status:In Stock
Sildenafil Impurity 13

Sildenafil Impurity 13

Cat. No:CL-S006054
CAS No:360068-47-9
Mol. F:C8H10ClN3O3
Mol. Wt:231.6
Inv. Status:In Stock
Sildenafil Impurity B

Sildenafil Impurity B

Cat. No:CL-S006034
CAS No:200575-15-1
Mol. F:C22H32N6O5S
Mol. Wt:492.6
Inv. Status:In Stock
2-Ethoxybenzoic Acid

2-Ethoxybenzoic Acid

Cat. No:CL-S006031
CAS No:134-11-2
Mol. F:C9H10O3
Mol. Wt:166.2
Inv. Status:In Stock
Sildenafil Di-Amide Impurity

Sildenafil Di-Amide Impurity

Cat. No:CL-S006015
CAS No:139756-03-9
Mol. F:C17H22N4O3
Mol. Wt:330.4
Inv. Status:In Stock
Sildenafil Impurity 12

Sildenafil Impurity 12

Cat. No:CL-S006053
CAS No:202066-14-6
Mol. F:C10H15N3O4
Mol. Wt:241.2
Inv. Status:In Stock
Sildenafil Impurity 16

Sildenafil Impurity 16

Cat. No:CL-S006052
CAS No:194602-23-8
Mol. F:C14H20N2O5S
Mol. Wt:328.4
Inv. Status:In Stock
Sildenafil Nitroamide

Sildenafil Nitroamide

Cat. No:CL-S006030
CAS No:139756-01-7
Mol. F:C8H12N4O3
Mol. Wt:212.2
Inv. Status:In Stock
Sildenafil Acid Impurity

Sildenafil Acid Impurity

Cat. No:CL-S006029
CAS No:139756-00-6
Mol. F:C8H11N3O4
Mol. Wt:213.2
Inv. Status:In Stock
Sildenafil EP Impurity C

Sildenafil EP Impurity C

Cat. No:CL-S006004
CAS No:139755-91-2
Mol. F:C20H26N6O4S
Mol. Wt:446.5
Inv. Status:In Stock
Sildenafil Amino Amide Impurity

Sildenafil Amino Amide Impurity

Cat. No:CL-S006007
CAS No:139756-02-8
Mol. F:C8H14N4O
Mol. Wt:182.2
Inv. Status:In Stock
N-Desmethyl Sildenafil N-Glucuronide

N-Desmethyl Sildenafil N-Glucuronide

Cat. No:CL-S006047
CAS No:NA
Mol. F:C27H36N6O10S
Mol. Wt:636.7
Inv. Status:In Stock
Pyrazole N-Demethyl Sildenafil

Pyrazole N-Demethyl Sildenafil

Cat. No:CL-S006035
CAS No:139755-95-6
Mol. F:C21H28N6O4S
Mol. Wt:460.6
Inv. Status:In Stock
Sildenafil Impurity 5

Sildenafil Impurity 5

Cat. No:CL-S006026
CAS No:247583-78-4
Mol. F:C8H14N4O
Mol. Wt:182.2
Inv. Status:In Stock
Amino Sildenafil

Amino Sildenafil

Cat. No:CL-S006001
CAS No:319491-68-4
Mol. F:C18H23N5O4S
Mol. Wt:405.5
Inv. Status:In Stock

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