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.
stdClass Object ( [pname] => Topiramate - API Standards [catalogue_number] => PA 20 41000 [category_ids] => ,91,78,70,82, [chemical_name] => [weight] => 339.36 [form] => C12H21NO8S [cas] => 97240-79-4 [pslug] => 97240-79-4-topiramate-api-pa2041000 [latest_product] => 0 [linkproducts] => 0 [offers_id] => 8 [offers_name] => Ready Stock [offers_status] => 1 [offers_start_date] => 2024-12-16 [offers_end_date] => 2024-12-31 [pageview] => 2 [offers_slug] => ready-stock [offers_product_id] => 43237 [offers_product_code] => PA 20 41000 [offers_master_id] => 8 [offer_percentage] => 20 % OFF [offers_product_main_cat] => Pharmaceutical Reference Standards )
Catalogue No.:PA 20 41000
CAS :
Molecular Formula : C12H21NO8S
Molecular Weight : 339.36
stdClass Object ( [pname] => Topiramate - Impurity B [catalogue_number] => PA 20 41020 [category_ids] => ,76,75,78,70,82,88, [chemical_name] => [weight] => 438.49 [form] => C17H30N2O9S [cas] => 876403-98-4 [pslug] => 876403-98-4-topiramate-impurity-b-pa2041020 [latest_product] => 0 [linkproducts] => 0 [offers_id] => 8 [offers_name] => Ready Stock [offers_status] => 1 [offers_start_date] => 2024-12-16 [offers_end_date] => 2024-12-31 [pageview] => 2 [offers_slug] => ready-stock [offers_product_id] => 43240 [offers_product_code] => PA 20 41020 [offers_master_id] => 8 [offer_percentage] => 20 % OFF [offers_product_main_cat] => Pharmaceutical Reference Standards )
Catalogue No.:PA 20 41020
Molecular Formula : C17H30N2O9S
Molecular Weight : 438.49
stdClass Object ( [pname] => Topiramate - Impurity C [catalogue_number] => PA 20 41030 [category_ids] => 70,75,76,78,82 [chemical_name] => [weight] => 299.30 [form] => C9H17NO8S [cas] => 106881-41-8 [pslug] => 106881-41-8-topiramate-impurity-c-pa2041030 [latest_product] => 1 [linkproducts] => 0 [offers_id] => 8 [offers_name] => Ready Stock [offers_status] => 1 [offers_start_date] => 2024-12-16 [offers_end_date] => 2024-12-31 [pageview] => 2 [offers_slug] => ready-stock [offers_product_id] => 43241 [offers_product_code] => PA 20 41030 [offers_master_id] => 8 [offer_percentage] => 20 % OFF [offers_product_main_cat] => Pharmaceutical Reference Standards )
Catalogue No.:PA 20 41030
Molecular Formula : C9H17NO8S
Molecular Weight : 299.30
stdClass Object ( [pname] => (3aR,5aR,8aR,8bS)-3a-(Chloromethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran [catalogue_number] => PA 20 41510 [category_ids] => ,91,78,70,82, [chemical_name] => [weight] => 278.73 [form] => C12H19ClO5 [cas] => 32785-90-3 [pslug] => 32785-90-3-3ar-5ar-8ar-8bs-3a-chloromethyl-2-2-7-7-tetramethyltetrahydro-5h-bis-1-3-dioxolo-4-5-b-4-5-d-pyran-pa2041510 [latest_product] => 0 [linkproducts] => 0 [offers_id] => 8 [offers_name] => Ready Stock [offers_status] => 1 [offers_start_date] => 2024-12-16 [offers_end_date] => 2024-12-31 [pageview] => 2 [offers_slug] => ready-stock [offers_product_id] => 43243 [offers_product_code] => PA 20 41510 [offers_master_id] => 8 [offer_percentage] => 20 % OFF [offers_product_main_cat] => Pharmaceutical Reference Standards )
Catalogue No.:PA 20 41510
Molecular Formula : C12H19ClO5
Molecular Weight : 278.73
stdClass Object ( [pname] => Topiramate Azidosulfate [catalogue_number] => PA 20 41540 [category_ids] => ,91,75,78,70,82, [chemical_name] => [weight] => 365.36 [form] => C12H19N3O8S [cas] => 106881-35-0 [pslug] => 106881-35-0-topiramate-azidosulfate-pa2041540 [latest_product] => 0 [linkproducts] => 0 [offers_id] => 8 [offers_name] => Ready Stock [offers_status] => 1 [offers_start_date] => 2024-12-16 [offers_end_date] => 2024-12-31 [pageview] => 2 [offers_slug] => ready-stock [offers_product_id] => 43244 [offers_product_code] => PA 20 41540 [offers_master_id] => 8 [offer_percentage] => 20 % OFF [offers_product_main_cat] => Pharmaceutical Reference Standards )
Catalogue No.:PA 20 41540
Molecular Formula : C12H19N3O8S
Molecular Weight : 365.36
stdClass Object ( [pname] => Topiramate - Impurity D [catalogue_number] => PA 20 41040 [category_ids] => ,76,75,78,70,82,88, [chemical_name] => [weight] => 625.64 [form] => C25H39NO15S [cas] => 950603-46-0 [pslug] => 950603-46-0-topiramate-impurity-d-pa2041040 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 41040
Molecular Formula : C25H39NO15S
Molecular Weight : 625.64
stdClass Object ( [pname] => ((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_number] => PA 20 41520 [category_ids] => ,91,78,70,82, [chemical_name] => [weight] => 367.42 [form] => C14H25NO8S [cas] => 106881-33-8 [pslug] => 106881-33-8-3as-5ar-8ar-8bs-2-2-7-7-tetramethyltetrahydro-3ah-bis-1-3-dioxolo-4-5-b-4-5-d-pyran-3a-yl-methyl-dimethylsulfamate;-pa2041520 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 41520
Molecular Formula : C14H25NO8S
Molecular Weight : 367.42
stdClass Object ( [pname] => N-Methyl Topiramate [catalogue_number] => PA 20 41530 [category_ids] => ,91,78,70,82, [chemical_name] => [weight] => 353.39 [form] => C13H23NO8S [cas] => 97240-80-7 [pslug] => 97240-80-7-n-methyl-topiramate-pa2041530 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 41530
Molecular Formula : C13H23NO8S
Molecular Weight : 353.39
stdClass Object ( [pname] => Topiramate Didesacetal Impurity [catalogue_number] => PA 20 41550 [category_ids] => ,91,78,70,82, [chemical_name] => [weight] => 259.23 [form] => C6H13NO8S [cas] => 106881-42-9 [pslug] => 106881-42-9-topiramate-didesacetal-impurity-pa2041550 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 41550
Molecular Formula : C6H13NO8S
Molecular Weight : 259.23
stdClass Object ( [pname] => 2,3:4,5-bis-O-(1-Methylethylidene)-1-chlorosulfate-β-D-Fructopyranose [catalogue_number] => PA 20 41560 [category_ids] => ,91,71,70,78,70,82,88, [chemical_name] => [weight] => 358.79 [form] => C12H19ClO8S [cas] => 150609-95-3 [pslug] => 150609-95-3-2-3-4-5-bis-o-1-methylethylidene-1-chlorosulfate-beta-d-fructopyranose-pa2041560 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 41560
Molecular Formula : C12H19ClO8S
Molecular Weight : 358.79
stdClass Object ( [pname] => 2,3-Desisopropylidene Topiramate [catalogue_number] => PA 20 41570 [category_ids] => ,76,75,78,70,82, [chemical_name] => [weight] => 299.3 [form] => C9H17NO8S [cas] => 851957-35-2 [pslug] => 851957-35-2-2-3-desisopropylidene-topiramate-pa2041570 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 41570
Molecular Weight : 299.3
stdClass Object ( [pname] => Topiramate-d12 [catalogue_number] => PA STI 083880 [category_ids] => ,91,78,70,82,98, [chemical_name] => [weight] => 351.44 [form] => C12H9D12NO8S [cas] => 1279037-95-4 [pslug] => 1279037-95-4-topiramate-d12-pasti083880 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA STI 083880
Molecular Formula : C12H9D12NO8S
Molecular Weight : 351.44
stdClass Object ( [pname] => ((3aR,6S,7S,7aR)-6,7-Dihydroxy-2,2-dimethyltetrahydro-3aH-[1,3]dioxolo[4,5-b]pyran-3a-yl)methyl Sulfamate [catalogue_number] => PA 20 41580 [category_ids] => ,91,78,70,82, [chemical_name] => [weight] => 299.29 [form] => C9H17NO8S [cas] => 152192-21-7 [pslug] => 152192-21-7-3ar-6s-7s-7ar-6-7-dihydroxy-2-2-dimethyltetrahydro-3ah-1-3-dioxolo-4-5-b-pyran-3a-yl-methyl-sulfamate-pa2041580 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 41580
Molecular Weight : 299.29
stdClass Object ( [pname] => ((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 [catalogue_number] => PA 20 41590 [category_ids] => ,91,78,70,82, [chemical_name] => [weight] => 621.7 [form] => C27H43NO13S [cas] => NA [pslug] => 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-pa2041590 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 41590
Molecular Formula : C27H43NO13S
Molecular Weight : 621.7
stdClass Object ( [pname] => ((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_number] => PA 20 41600 [category_ids] => ,91,78,70,82, [chemical_name] => [weight] => 438.49 [form] => C17H30N2O9S [cas] => NA [pslug] => 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-pa2041600 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 41600
stdClass Object ( [pname] => ((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_number] => PA 20 41610 [category_ids] => ,91,78,70,82, [chemical_name] => [weight] => 581.63 [form] => C24H39NO13S [cas] => NA [pslug] => 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-pa2041610 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 41610
Molecular Formula : C24H39NO13S
Molecular Weight : 581.63
stdClass Object ( [pname] => (3aS,6R,7R,7aS)-3a-(Hydroxymethyl)-2,2-dimethyltetrahydro-5H-[1,3]dioxolo[4,5-b]pyran-6,7-diol [catalogue_number] => PA 20 0411000 [category_ids] => ,78,75,70,76,82, [chemical_name] => [weight] => 220.22 [form] => C9H16O6 [cas] => 58238-46-3 [pslug] => 58238-46-3-3as-6r-7r-7as-3a-hydroxymethyl-2-2-dimethyltetrahydro-5h-1-3-dioxolo-4-5-b-pyran-6-7-diol-pa200411000 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 0411000
Molecular Formula : C9H16O6
Molecular Weight : 220.22
stdClass Object ( [pname] => 4,5-O-(1-Methylethylidene)-β-D-fructopyranose [catalogue_number] => PA 20 0411001 [category_ids] => ,78,75,70,76,82, [chemical_name] => [weight] => 220.22 [form] => C9H16O6 [cas] => 912456-61-2 [pslug] => 912456-61-2-4-5-o-1-methylethylidene-beta-d-fructopyranose-pa200411001 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 0411001
stdClass Object ( [pname] => Topiramate 13C6 [catalogue_number] => PA STI 088798 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 345.31 [form] => C613C6H21NO8S [cas] => 1217455-55-4 [pslug] => 1217455-55-4-topiramate-13c6 -pasti088798 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA STI 088798
Molecular Formula : C613C6H21NO8S
Molecular Weight : 345.31
stdClass Object ( [pname] => ((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 [catalogue_number] => PA 20 0411002 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 621.7 [form] => C27H43NO13S [cas] => NA [pslug] => 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-pa200411002 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 0411002
stdClass Object ( [pname] => Topiramate (IPRS/32/18) - from IPC [catalogue_number] => PA IPRS 32 18 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => NA [form] => NA [cas] => NA [pslug] => topiramate-iprs-32-18-from-ipc-paiprs3218 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA IPRS 32 18
Molecular Formula : NA
Molecular Weight : NA
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 0411003
Molecular Weight : 367.41
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