Dayangchem'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:4345-03-3
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryItems Standard Result Physical &chemical data Color White or off-white Conforms
Cas:4345-03-3
Min.Order:1 Kilogram
FOB Price: $125.0 / 320.0
Type:Manufacturers
inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
Cas:4345-03-3
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquirySuperiority KONO is a leading manufacturer and supplier of chemicals in China. We develop ,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals. We could give you: 1.Best quality in y
Cas:4345-03-3
Min.Order:1 Kilogram
FOB Price: $80.0 / 95.0
Type:Other
inquiryHigh quality D-α-Tocopherol succinate CAS 4345-03-3 with factory price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Fo
Cas:4345-03-3
Min.Order:10 Kilogram
FOB Price: $10.0
Type:Trading Company
inquirySleeping pills and stability.This product is white or white crystalline powder;Odourless and slightly bitter taste.Almost insoluble in water, soluble in hydrochloric acid.In acid or alkali and heat hydrolysis, oral drug under the action of gastric
Cas:4345-03-3
Min.Order:10000 Gram
FOB Price: $1300.0
Type:Manufacturers
inquiryVitamin E succinate CAS NO.:4345-03-3 HANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation of trade, research and contract manufacture. With about ten years of business experiences on the marketing & distribu
Cas:4345-03-3
Min.Order:1 Kilogram
FOB Price: $10.0
Type:Other
inquiryThe 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
Cas:4345-03-3
Min.Order:1
Negotiable
Type:Other
inquiry1. 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:4345-03-3
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryColorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
Cas:4345-03-3
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
inquiryOur company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble metal catalysts, synthesis of electronic chemical materials and general chemicals Imp&Exp trading business. The company
Cas:4345-03-3
Min.Order:1 Kilogram
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
Cas:4345-03-3
Min.Order:1 Kilogram
FOB Price: $9.0 / 99.0
Type:Trading Company
inquiryWITH 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:4345-03-3
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
inquiryAppearance:White powder Storage:Room temperature Package:1kg/drum, 25kg/drum Application:Anti-cancer health function and immune regulation Transportation:By Express/Air/Sea Port:Any port in china
Cas:4345-03-3
Min.Order:1 Kilogram
FOB Price: $100.0
Type:Lab/Research institutions
inquiry1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized
Cas:4345-03-3
Min.Order:1 Kilogram
Negotiable
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:4345-03-3
Min.Order:10 Gram
FOB Price: $1.32
Type:Trading Company
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 prese
Cas:4345-03-3
Min.Order:1 Kilogram
FOB Price: $72.0 / 78.0
Type:Trading Company
inquiryTrade Assurance Get full protection for your orders 100% Product quality protection 100% On-time shipment protection 100% Payment protection Appearance:white to off-white crystalline powder Storage:Store at room(18~25℃) temperature. Protect fro
Cas:4345-03-3
Min.Order:1 Kilogram
FOB Price: $72.0
Type:Lab/Research institutions
inquiryD-α-Tocopherol succinate CAS:4345-03-3 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 org
Cas:4345-03-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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
Cas:4345-03-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
Cas:4345-03-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryD-α-Tocopherol succinate Basic information Product Name: D-α-Tocopherol succinate Synonyms: 1210IU D-α-Tocopherol succinate,vitamin E succinate 1185IU D-α-Tocopherol succinate,vitamin
Cas:4345-03-3
Min.Order:50 Kilogram
FOB Price: $1.0 / 2.0
Type:Lab/Research institutions
inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:4345-03-3
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryOur Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter
we have GMP Appearance:A white or almost white,crystalline powder, Storage:Room temperature Package:25kg/drum Application:used in medicine Transportation:by sea by air express Port:China main port
Cas:4345-03-3
Min.Order:25 Kilogram
Negotiable
Type:Trading Company
inquiryJ&H CHEM 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. J&H CHEM has some Manufacturing base in Jia
Cas:4345-03-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1.high purity 2.consistent quality 3.competitive price 4.fast shipping Binbo Biological Products Co. Ltd., is a professional high-tech enterprise which engaged in Biological products raw materials. Binbo is engaged in R&D with perfect equipm
Cas:4345-03-3
Min.Order:1 Kilogram
FOB Price: $0.1 / 0.2
Type:Lab/Research institutions
inquiryZibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
Cas:4345-03-3
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryVitamin E succinateAppearance:White or Almost White crystalline powder Storage:Store in refrigerator Package:according to customers' requirements Application:Steroids injection For Body building Transportation:By air(EMS or EUB or FedEx or TNT ect...
Established in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
Cas:4345-03-3
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With pyridine; dmap at 25℃; | 94% |
With sodium hydroxide In butanone at 40℃; for 6h; Reagent/catalyst; Temperature; Solvent; | 93.6% |
dmap; triethylamine In dichloromethane at 25℃; | 85% |
Conditions | Yield |
---|---|
Stage #1: succinic acid With dicyclohexyl-carbodiimide; dmap In dichloromethane for 0.166667 - 0.25h; Ultrasonication; Stage #2: Tocopherol In dichloromethane at 25℃; | 73% |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: durch Chlormethylierung und Reduktion 2: pyridine View Scheme |
5,8-dimethyltocol
vitamin E succinate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: durch Chlormethylierung und Reduktion 2: pyridine View Scheme |
1-azido-5-aminopentane
vitamin E succinate
Conditions | Yield |
---|---|
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 20℃; | 100% |
2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]ethanol
vitamin E succinate
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; | 99% |
Conditions | Yield |
---|---|
In tetrahydrofuran; ethyl acetate at 20 - 25℃; | 98% |
8-(1-hydroxyethyl)-1,3,7-trimethyl-3,7-dihydro-1H-purine-2,6-dione
vitamin E succinate
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 3h; | 96% |
3-(4-(4-morpholinyl)pyrido[3',2':4,5]furo[3,2-d]pyrimidin-2-yl)phenol
vitamin E succinate
α-tocopheryl hemisuccinate
Conditions | Yield |
---|---|
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 4-(dimethylamino)pyridinium tosylate In 1-methyl-pyrrolidin-2-one; dichloromethane at 20℃; for 19h; | 95% |
vitamin E succinate
Conditions | Yield |
---|---|
With calcium hydroxide In methanol at 58 - 60℃; for 2h; Product distribution / selectivity; | 94.73% |
With calcium oxide In methanol at 28 - 60℃; for 2h; Product distribution / selectivity; | 88.18% |
With calcium carbonate In methanol at 58 - 60℃; for 2h; Product distribution / selectivity; | 76.36% |
With calcium carbonate In Carbon dioxide at 120℃; under 228015 Torr; for 1h; Reaction medium: CO2 as a supercritical fluid; |
4-amino-2,2,6,6-tetramethyl-1-piperidine-1-oxyl
vitamin E succinate
Conditions | Yield |
---|---|
In tetrahydrofuran; ethyl acetate at 20 - 25℃; | 93% |
Conditions | Yield |
---|---|
With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane; N,N-dimethyl-formamide at 55℃; for 24h; | 88% |
Conditions | Yield |
---|---|
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; for 16h; | 87.144% |
vitamin E succinate
L-Pyroglutamic acid
B
N-methylmorpholine hydrochloride
Conditions | Yield |
---|---|
Stage #1: vitamin E succinate With 4-methyl-morpholine; isobutyl chloroformate In tetrahydrofuran at 0 - 20℃; for 1.75h; Stage #2: L-Pyroglutamic acid With triethylamine In tetrahydrofuran; DMF (N,N-dimethyl-formamide); water at 0 - 20℃; Stage #3: With hydrogenchloride In dichloromethane; water | A 87% B n/a |
taxol
vitamin E succinate
2'-O-(4''-O-tocopherylsuccinoyl)paclitaxel
Conditions | Yield |
---|---|
Stage #1: vitamin E succinate With thionyl chloride In toluene at 20 - 50℃; Stage #2: taxol With triethylamine In tetrahydrofuran at 20℃; | 84.6% |
With dmap; diisopropyl-carbodiimide In chloroform at 20℃; | |
With 1-hydroxy-pyrrolidine-2,5-dione; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride |
bromoacetic acid tert-butyl ester
vitamin E succinate
3-(D-α-tocopheryloxycarbonyl)propionyloxyacetic acid
Conditions | Yield |
---|---|
Stage #1: vitamin E succinate With tetra(n-butyl)ammonium hydroxide In water Stage #2: bromoacetic acid tert-butyl ester In 1-methyl-pyrrolidin-2-one at 0℃; for 1h; Inert atmosphere; Stage #3: With triethylsilane; trifluoroacetic acid In 1-methyl-pyrrolidin-2-one; dichloromethane at 23℃; for 1.2h; Inert atmosphere; | 84% |
7-ethyl-10-hydroxycamptothecin
vitamin E succinate
Conditions | Yield |
---|---|
Stage #1: vitamin E succinate With thionyl chloride In toluene at 20℃; for 24h; Stage #2: 7-ethyl-10-hydroxycamptothecin With triethylamine In methylene chloride; N,N-dimethyl acetamide at 20℃; for 1470h; Product distribution / selectivity; | 83.9% |
Stage #1: 7-ethyl-10-hydroxycamptothecin; vitamin E succinate In 1-methyl-pyrrolidin-2-one; dichloromethane for 0.0833333h; Sonication; Cooling with ice; Stage #2: With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 4-(dimethylamino)pyridinium tosylate at 20℃; for 2.16667h; | 80% |
With pyridine; dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 25℃; | 70% |
Stage #1: vitamin E succinate With thionyl chloride In toluene at 20 - 50℃; Stage #2: 7-ethyl-10-hydroxycamptothecin With triethylamine In tetrahydrofuran at 20℃; Product distribution / selectivity; | 57.2% |
vitamin E succinate
5,6-O-isopropylidene-L-ascorbic acid
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide; dmap In tetrahydrofuran; ethyl acetate at 25℃; for 8h; | 81% |
17-azido-3,6,9,12,15-pentaoxaheptadecan-1-ol
vitamin E succinate
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; | 78% |
2-((2-hydroxyethyl)disulfanyl) ethyl methacrylate
vitamin E succinate
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; Darkness; | 73% |
vitamin E succinate
Conditions | Yield |
---|---|
With nitric acid; acetic acid at 20℃; for 0.5h; | 68% |
Conditions | Yield |
---|---|
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane at 20℃; for 15h; Inert atmosphere; | 67% |
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane at 20℃; for 15h; Inert atmosphere; | 67% |
Conditions | Yield |
---|---|
Stage #1: vitamin E succinate With 1-hydroxy-pyrrolidine-2,5-dione; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dimethyl sulfoxide for 2h; Stage #2: glycine-phenylananine-leucine-glycine In dimethyl sulfoxide at 20℃; for 24h; | 63% |
Conditions | Yield |
---|---|
Stage #1: vitamin E succinate With 1-hydroxy-pyrrolidine-2,5-dione; dicyclohexyl-carbodiimide In dimethyl sulfoxide at 20℃; for 20h; Stage #2: ethylenediamine In dimethyl sulfoxide at 20℃; for 24h; | 60% |
Conditions | Yield |
---|---|
With dmap; 2-chloro-1-methyl-pyridinium iodide In N,N-dimethyl acetamide at 20 - 50℃; for 28h; | 55.2% |
(S)-10-hydroxycamptothecin
vitamin E succinate
Conditions | Yield |
---|---|
Stage #1: vitamin E succinate With thionyl chloride In toluene at 20 - 50℃; for 24h; Stage #2: (S)-10-hydroxycamptothecin With triethylamine In methylene chloride; N,N-dimethyl acetamide at 20℃; for 24.0833h; Product distribution / selectivity; | 52.5% |
Stage #1: vitamin E succinate With thionyl chloride In toluene at 20 - 50℃; Stage #2: (S)-10-hydroxycamptothecin With triethylamine In tetrahydrofuran at 20℃; Product distribution / selectivity; | 48.4% |
Conditions | Yield |
---|---|
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; 4-(dimethylamino)pyridinium tosylate In 1-methyl-pyrrolidin-2-one; dichloromethane at 20℃; for 2.83333h; Cooling with ice; | 52% |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In chloroform | 49% |
vitamin E succinate
α-(2-azidoethyl)-ω-hydroxyhexa(oxyethylene)
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; | 45% |
vitamin E succinate
Conditions | Yield |
---|---|
With dmap; 2-chloro-1-methyl-pyridinium iodide In 1,4-dioxane at 20℃; for 24h; | 44.82% |
heptacyclo<6.6.0.02,6.03,13.04,11.05,9.010,14>tetradecane-7,12-diol
vitamin E succinate
Conditions | Yield |
---|---|
Stage #1: vitamin E succinate With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 20℃; for 0.5h; Inert atmosphere; Stage #2: heptacyclo<6.6.0.02,6.03,13.04,11.05,9.010,14>tetradecane-7,12-diol In N,N-dimethyl-formamide for 18h; Inert atmosphere; | 38% |
Conditions | Yield |
---|---|
Stage #1: vitamin E succinate With dicyclohexyl-carbodiimide; dmap In dichloromethane at 20℃; for 0.333333h; Stage #2: vitamin D3 In dichloromethane at 20℃; for 18h; Absence of light; | 35% |
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