Items Standard Result Assay 98%min -----------------------------------------------------------------------------------------------
Cas:97240-79-4
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Trading Company
inquiryTopiramate CAS 97240-79-4 Purity: 99% Min Application: Intermediates Appearance: Powder Package: Bag Delivery: 3-5days Our Advantage & Service 1.Top quality: Using high quality material and establishing a strict quality control syste
Cas:97240-79-4
Min.Order:1 Kilogram
FOB Price: $10.0 / 50.0
Type:Trading Company
inquiryDayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities
Cas:97240-79-4
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryDescription 1)Product Name: Topiramate 2)CAS:97240-79-4 3)Molecular Formula:C12H21NO8S 4)Molecular Weight:339.36 5
Cas:97240-79-4
Min.Order:1 Kilogram
Negotiable
Type:Other
inquiryWe can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need C
Cas:97240-79-4
Min.Order:1 Gram
Negotiable
Type:Manufacturers
inquiryUnique advantages for Topiramate Cas 97240-79-4 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Powder Storage:2-8°C Package:1kg/foil bag, 25kg/drum or as you requir
Cas:97240-79-4
Min.Order:1 Gram
FOB Price: $135.0
Type:Trading Company
inquirySpecifications 97240-79-4 Topiramate Topiramate in stock High quality Topiramate Topiramate powder Appearance:White to off-white powder Storage:dry environment Package:25kg/drum or as your needs Application:Central Nervous System Agents Tra
high quality Appearance:white powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:97240-79-4
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryCustomer services: Custom synthesis(mg to kg scale) Reference compounds Building blocks and scaffolds Synthesis route optimization Appearance:whilt powder Storage:cool and dryer Package:durm Applicati
Cas:97240-79-4
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquiryShanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
Cas:97240-79-4
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
inquiryOur main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Name:Topiramate CAS NO:97240-79-4 Grade:Medical scientific research and export Molecular formula:C12H21NO8S Molecular weight: 339.37 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Dat
Cas:97240-79-4
Min.Order:25 Kilogram
FOB Price: $2.0 / 3.0
Type:Other
inquiryTopiramate Basic information Broad-spectrum anti-epileptic drugs Pharmacological effects Pharmacokinetics Dosage Clinical evaluationAdverse reactions and precautions Chemical Properties Product Name:
Cas:97240-79-4
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:97240-79-4
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
Cas:97240-79-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryName Topiramate Synonyms McN-4853; RWJ-17021; 2,3:4,5-bis-O-(1-methylethylidene)-beta-D-fructopyranose sulfamate Molecular Formula C12H21NO8S Molecular Weight 339.36 CAS Reg
1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:White crystal Storage:Store in sealed containers at cool & d
Cas:97240-79-4
Min.Order:100 Gram
Negotiable
Type:Other
inquiry1,In No Less five years exporting experience. 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Onchem specialized in APIs, chemical intermediate
Cas:97240-79-4
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryWe are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery
Cas:97240-79-4
Min.Order:10 Gram
FOB Price: $1.5
Type:Trading Company
inquiryHP90351 Topiramate CAS 97240-79-4 HP90351 Topiramate CAS 97240-79-4 Topiramate CAS 97240-79-4 Brand: Hyper MW: 339.36 MSDS: Avaiable MF : C12H21N
Cas:97240-79-4
Min.Order:1 Milligram
Negotiable
Type:Other
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present
Cas:97240-79-4
Min.Order:50 Gram
FOB Price: $26.0 / 31.5
Type:Trading Company
inquiryTopiramate CAS:97240-79-4 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediates,
Cas:97240-79-4
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryWe have overseas warehouses in California, New Laredo Mexico, Vancouver Canada, Amsterdam Netherlands, and Melbourne Australia. Overseas warehouses can provide some of the best-selling products. We look forward to the cooperation of local powerful
Cas:97240-79-4
Min.Order:0 Metric Ton
Negotiable
Type:Trading Company
inquiryOur Advantage 1. Rich experience We specialize in this filed for many years, our APIs exported to all over the world and and we established long friendly relations of cooperation with our clients. 2. Great quality,purity and favorable Good q
Cas:97240-79-4
Min.Order:1 Kilogram
FOB Price: $45.0 / 60.0
Type:Trading Company
inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
1.high quality: quality is life. quality is the most important element for all goods. we have a lab doing research in wuhan china. hplc and nmr is available if needed. 2.reasonable price: we provide high quality products with competi
Cas:97240-79-4
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiry1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie
Cas:97240-79-4
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry2,3,4,5-bis-O-(1-methylethylidene)-β-D-fructopyranose chlorosulfonic acid ester
topiramate
Conditions | Yield |
---|---|
With ammonia In tetrahydrofuran; hexane at 20℃; for 3h; Solvent; Temperature; | 96.7% |
With ammonia In tetrahydrofuran; Petroleum ether at 20℃; for 3h; Solvent; | 95.2% |
With pyridine; SULFAMIDE In 5,5-dimethyl-1,3-cyclohexadiene at 128 - 133℃; for 3h; | 91.1% |
topiramate
Conditions | Yield |
---|---|
With hydrazine hydrate In ethanol at 20℃; for 1h; | 90% |
2,3;4,5-di-O-isopropylidene-β-D-fructopyranose
topiramate
Conditions | Yield |
---|---|
With pyridine; 2,2,2-trifluoro-1-(trifluoromethyl)ethyl sulfamate In dichloromethane at 30℃; for 8h; | 88% |
With 4-methyl-morpholine; sulphamoyl chloride In di-isopropyl ether; N,N-dimethyl-formamide at 5℃; for 1h; Product distribution / selectivity; Crude product recrystalization; | 76% |
With sulphamoyl chloride; triethylamine In di-isopropyl ether; N,N-dimethyl acetamide at 5℃; for 1h; Product distribution / selectivity; Crude product recrystalization; | 75% |
topiramate
Conditions | Yield |
---|---|
With palladium on activated charcoal In methanol at 20℃; under 9000.9 Torr; for 3h; | 83% |
topiramate
Conditions | Yield |
---|---|
With water; sodium acetate; acetic acid In acetone at 68 - 70℃; for 1 - 1.5h; pH=3.5; Product distribution / selectivity; Heating / reflux; | 67% |
With sodium acetate; acetic acid In water; acetone at 68 - 70℃; for 1 - 1.5h; pH=3.5; Product distribution / selectivity; Heating / reflux; | 67% |
With water In acetone at 70℃; for 2h; pH=3.5; aq. acetate buffer; |
topiramate
Conditions | Yield |
---|---|
With water; sodium acetate; acetic acid In acetone at 70℃; for 2 - 2.5h; pH=3.5; Product distribution / selectivity; Heating / reflux; | 63% |
With sodium acetate; acetic acid In water; acetone at 70℃; for 2 - 2.5h; pH=3.5; Product distribution / selectivity; Heating / reflux; | 63% |
N-[(diethylamino)carbonyl]-2,3:4,5-bis-O-(1-methylethylidene)-β-D-fructopyranose sulfamate
topiramate
Conditions | Yield |
---|---|
Stage #1: N-[(diethylamino)carbonyl]-2,3:4,5-bis-O-(1-methylethylidene)-β-D-fructopyranose sulfamate With sodium hydroxide; water; acetic acid In acetone at 78 - 79℃; for 1 - 8.5h; pH=2.5 - 5; Heating / reflux; Stage #2: With sodium hydroxide In water; acetone Product distribution / selectivity; | 61% |
With sodium hydroxide; acetic acid In water; acetone at 78 - 79℃; for 1 - 8.5h; pH=2.5 - 5.0; Product distribution / selectivity; Heating / reflux; | 61% |
With water; sodium acetate; acetic acid In acetonitrile at 80℃; for 1.5 - 2h; pH=3.5; Product distribution / selectivity; |
2,3-O-(1-Methylethylidene)-β-D-fructopyranose 1-sulfamate
orthoformic acid triethyl ester
Trifluoroacetaldehyde ethyl hemiacetal
topiramate
Conditions | Yield |
---|---|
With sulfuric acid | 30% |
2,3:4,5-bis-O-(1-methylethylidene)-β-D-fructopyranose azidosulfate
topiramate
Conditions | Yield |
---|---|
With hydrogen; 5%-palladium/activated carbon In ethyl acetate under 2844.39 - 3102.97 Torr; for 8h; |
topiramate
Conditions | Yield |
---|---|
With hydrogenchloride; water In acetone at 20℃; for 1.5h; Product distribution / selectivity; |
N-(2-methoxycarbonylphenyl)carbonyl-2,3:4,5-bis-O-(1-methylethylidene)-β-D-fructopyranose sulfamate
topiramate
Conditions | Yield |
---|---|
With sodium hydroxide In DMF (N,N-dimethyl-formamide) at 20 - 80℃; for 12h; Product distribution / selectivity; |
topiramate
Conditions | Yield |
---|---|
With hydrogen; palladium on activated carbon In ethanol at 20℃; under 2585.81 Torr; for 5h; Product distribution / selectivity; |
topiramate
Conditions | Yield |
---|---|
In water; acetone at 0 - 35℃; Purification / work up; |
D-Fructose
topiramate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sulfuric acid 2: SULFAMIDE; pyridine / 5,5-dimethyl-1,3-cyclohexadiene / 130 - 140 °C View Scheme |
D-fructose
topiramate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: zinc(II) chloride / 2 h / 58 °C 2: sulfuryl dichloride; 1H-imidazole / dichloromethane / 2.5 h / 0 °C / Molecular sieve 3: ammonia / ethanol / 6 h / 20 °C / Green chemistry; Industrial scale View Scheme |
fructopyranose
topiramate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: sulfuric acid / acetone / 0 - 15 °C / Inert atmosphere; Large scale 2: sulfuryl dichloride; pyridine / dichloromethane; toluene / 3 h / -10 - 20 °C 3: ammonia / tetrahydrofuran; hexane / 3 h / 20 °C View Scheme |
topiramate
2,3:4,5-bis-O-(1-methylethylidene)-β-D-fructopyranose azidosulfate
Conditions | Yield |
---|---|
With fluorosulfonyl azide; potassium hydrogencarbonate In tert-butyl methyl ether; water; N,N-dimethyl-formamide at 20℃; for 0.0833333h; | 99% |
1-phenylpyrrolidin-2-one
topiramate
Conditions | Yield |
---|---|
With diazoacetic acid ethyl ester; zinc trifluoromethanesulfonate In cyclohexane for 12h; Reflux; stereoselective reaction; | 98% |
Conditions | Yield |
---|---|
With hydrogenchloride at 23℃; for 24h; | 94% |
Conditions | Yield |
---|---|
With potassium fluoride on basic alumina In acetonitrile at 80℃; for 48h; | 88% |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; | 88% |
topiramate
methyl iodide
2,3:4,5-bis-O-(1-methylethylidene)-β-D-fructopyranose methylsulfamate
Conditions | Yield |
---|---|
With potassium fluoride on basic alumina In acetonitrile at 80℃; for 48h; | 86% |
Conditions | Yield |
---|---|
With thionyl chloride In chloroform at 60℃; for 3h; | 80% |
N-Acetylimidazole
topiramate
Conditions | Yield |
---|---|
In toluene for 7h; Heating; | 78% |
Conditions | Yield |
---|---|
With potassium fluoride on basic alumina In acetonitrile at 80℃; for 48h; | 77% |
Conditions | Yield |
---|---|
With potassium fluoride on basic alumina In acetonitrile at 80℃; for 36h; | A 7% B 77% |
bromobenzene
topiramate
((3aR,5aS,8aS,8bR)-2,2,7,7-tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran-3a-yl)methyl phenylsulfamate
Conditions | Yield |
---|---|
With (1,2-dimethoxyethane)dichloronickel(II); (4,4'-di-tert-butyl-2,2'-dipyridyl)-bis-(2-phenylpyridine(-1H))-iridium(III) hexafluorophosphate; 1,8-diazabicyclo[5.4.0]undec-7-ene In acetonitrile at 30℃; for 24h; Inert atmosphere; Irradiation; Sealed tube; | 73% |
topiramate
1-bromomethyl-4-bromobenzene
Conditions | Yield |
---|---|
With potassium fluoride on basic alumina In acetonitrile at 80℃; for 36h; | A 68% B 11% |
topiramate
(bromomethyl)pentafluorobenzene
Conditions | Yield |
---|---|
With potassium fluoride on basic alumina In acetonitrile at 80℃; for 36h; | A 64% B 28% |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 20℃; for 6h; | 60% |
Conditions | Yield |
---|---|
With zinc trifluoromethanesulfonate In cyclohexane at 90℃; for 12h; | 57% |
Conditions | Yield |
---|---|
With potassium fluoride on basic alumina | A 54% B 33% |
(S)-N-acetylphenylalanine
topiramate
Conditions | Yield |
---|---|
With diazoacetic acid ethyl ester; manganese(II) perchlorate hexahydrate In cyclohexane at 90℃; for 12h; chemoselective reaction; | 48% |
1-(Trimethylsilyloxy)cyclohexene
topiramate
4,5-O-cyclohexylidene-2,3-O-(1-methyl-ethylidene)-β-D-fructopyranose sulfamate
Conditions | Yield |
---|---|
With hydrogenchloride In tetrahydrofuran for 0.0833333h; | 43% |
topiramate
Conditions | Yield |
---|---|
With Amberlite IR-45 (anion-exchange resin, hydroxide form); trifluoroacetic acid for 18h; Ambient temperature; | 43% |
topiramate
2,3-O-(1-Methylethylidene)-β-D-fructopyranose 1-sulfamate
Conditions | Yield |
---|---|
With hydrogenchloride In tetrahydrofuran at 45℃; for 3.5h; | 31% |
Conditions | Yield |
---|---|
In ethanol for 16h; Reflux; | 20% |
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