topiramate
Topiramate is used to manage seizures and prevent migraines. It is available as a generic medication. It is sold under the brand name Topamax.Reference standards of Topiramate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
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Topiramate - API Standards
Catalogue No.:PA 20 41000
Molecular Formula : C12H21NO8S
Molecular Weight : 339.36
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Catalogue No.:PA 20 41020
Molecular Formula : C17H30N2O9S
Molecular Weight : 438.49
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[weight] => 278.73
[form] => C12H19ClO5
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(3aR,5aR,8aR,8bS)-3a-(Chloromethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran
Catalogue No.:PA 20 41510
Molecular Formula : C12H19ClO5
Molecular Weight : 278.73
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[form] => C25H39NO15S
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Catalogue No.:PA 20 41040
Molecular Formula : C25H39NO15S
Molecular Weight : 625.64
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((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran-3a-yl)methyl Dimethylsulfamate;
Catalogue No.:PA 20 41520
Molecular Formula : C14H25NO8S
Molecular Weight : 367.42
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Catalogue No.:PA 20 41530
Molecular Formula : C13H23NO8S
Molecular Weight : 353.39
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Catalogue No.:PA 20 41540
Molecular Formula : C12H19N3O8S
Molecular Weight : 365.36
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Topiramate Didesacetal Impurity
Catalogue No.:PA 20 41550
Molecular Formula : C6H13NO8S
Molecular Weight : 259.23
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2,3:4,5-bis-O-(1-Methylethylidene)-1-chlorosulfate-β-D-Fructopyranose
Catalogue No.:PA 20 41560
Molecular Formula : C12H19ClO8S
Molecular Weight : 358.79
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2,3-Desisopropylidene Topiramate
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Catalogue No.:PA STI 083880
Molecular Formula : C12H9D12NO8S
Molecular Weight : 351.44
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((3aR,6S,7S,7aR)-6,7-Dihydroxy-2,2-dimethyltetrahydro-3aH-[1,3]dioxolo[4,5-b]pyran-3a-yl)methyl Sulfamate
Catalogue No.:PA 20 41580
Molecular Formula : C9H17NO8S
Molecular Weight : 299.29
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((3aR,5aS,8aS,8bR)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran-3a-yl)methyl ((((3aR,5aS,8aS,8bR)-2,2,7,7-tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran-3a-yl)methoxy)carbonyl)sulfamate
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((3aR,5aS,8aS,8bR)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran-3a-yl)methyl (diethylcarbamoyl)sulfamate
Catalogue No.:PA 20 41600
Molecular Formula : C17H30N2O9S
Molecular Weight : 438.49
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((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran-3a-yl)methyl (((3aS,5aR,8aR,8bS)-2,2,7,7-tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran-3a-yl)methyl)sulfamate
Catalogue No.:PA 20 41610
Molecular Formula : C24H39NO13S
Molecular Weight : 581.63
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Catalogue No.:PA 20 0411000
Molecular Formula : C9H16O6
Molecular Weight : 220.22
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4,5-O-(1-Methylethylidene)-β-D-fructopyranose
Catalogue No.:PA 20 0411001
Molecular Formula : C9H16O6
Molecular Weight : 220.22
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Catalogue No.:PA STI 088798
Molecular Formula : C613C6H21NO8S
Molecular Weight : 345.31
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((3aS,5aS,8aR,8bS)-2,2,7,7-Tetramethylhexahydrocyclopenta[d][1,3]dioxolo[4,5-b]pyran-3a(5H)-yl)methyl ((((3aS,5aR,8aR,8bS)-2,2,7,7-tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran-3a-yl)methoxy)carbonyl)sulfamate
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Topiramate (IPRS/32/18) - from IPC
stdClass Object
(
[pname] => N-Ethyl Topiramate
[catalogue_number] => PA 20 0411003
[category_ids] => ,75,76,78,70,82,
[chemical_name] =>
[weight] => 367.41
[form] => C14H25NO8S
[cas] => 205248-77-7
[pslug] => 205248-77-7-n-ethyl-topiramate-pa200411003
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Catalogue No.:PA 20 0411003
Molecular Formula : C14H25NO8S
Molecular Weight : 367.41