As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem’s R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis
Cas:10191-41-0
Min.Order:1 Kilogram
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inquiryProduct Name: DL-α-Tocopherol CAS: 10191-41-0 MF: C29H50O2 MW: 430.71 EINECS: 233-466-0 Mol File: 10191-41-0.mol DL-α-Tocopherol Structure DL-α-Tocopherol Chemical Properties Melting point 2-4°C alpha
Welcome 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:10191-41-0
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inquiryhebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm
Cas:10191-41-0
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inquiryManufacturer supply DL-α-Tocopherol CAS 10191-41-0 with good quality Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food
Cas:10191-41-0
Min.Order:10 Kilogram
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inquiry1. Product List of Tocopherol : Food grade Product name Packing specification Mixed Tocopherol Con
Cas:10191-41-0
Min.Order:1 Kilogram
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Type:Trading Company
inquiryVitamin E Basic information Product Name: Vitamin E Synonyms: ALL-RAC-ALPHA-TOCOPHEROL;(+/-)-ALPHA-TOCOPHEROL;(+/-)-ALPHA-TOCOFEROL;ALPHA-TOCOPHEROLUM;ALPHA-DL-TOCO
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
Cas:10191-41-0
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inquiry17-year experience in Phytochemicals Each product has passed very strict tests (NMR\MS\HPLC) Agents in 13 countries Certified by ISO 9001:2008 quality management system Leader Supplier of Botanical Reference Materials in China 3000 kinds of
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Cas:10191-41-0
Min.Order:1 Gram
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inquiryADVANTAGE: 1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day 2. The products are provided with COA, HPLC, NMR, quality assurance,
Zorui combines R&D, production and sales into its operations, While continuously providing high-quality raw materials, we also provide and optimize technical solutions for customers to achieve mutual benefit. We adhere to the "quality, integ
Cas:10191-41-0
Min.Order:1 Kilogram
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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
Cas:10191-41-0
Min.Order:5 Kiloliter
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Type:Manufacturers
inquiryName:Alpha tocopherol CAS NO:10191-41-0 Grade:Medical scientific research and export Molecular formula:C31H52O3 Molecular weight:472.75 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability D
Cas:10191-41-0
Min.Order:25 Kilogram
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inquiryOur company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.
Cas:10191-41-0
Min.Order:1 Metric Ton
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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:10191-41-0
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
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:10191-41-0
Min.Order:10 Kilogram
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Type:Trading Company
inquiryName Vitamin E Price CAS No. 10191-41-0 Brand Faithful Grade Pharma and food Grade
Cas:10191-41-0
Min.Order:5 Metric Ton
FOB Price: $1.0 / 2.0
Type:Other
inquiryOur Adwantage: 1.We have stock so we can delivery quickly at the very day when receive the payment. 2.Best price, first class service, high successful delivery rate. A discount would be given when you make a large order. 3.High qu
Cas:10191-41-0
Min.Order:10 Gram
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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:10191-41-0
Min.Order:1 Kilogram
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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:10191-41-0
Min.Order:10 Gram
FOB Price: $1.6
Type:Trading Company
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Cas:10191-41-0
Min.Order:1 Kilogram
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Type:Trading Company
inquiryDL-α-Tocopherol CAS:10191-41-0 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 int
Cas:10191-41-0
Min.Order:1 Gram
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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:10191-41-0
Min.Order:1 Kilogram
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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:10191-41-0
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryHubei CuiRan Biotechnology Co., Ltd is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medicine)
Cas:10191-41-0
Min.Order:10 Milligram
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inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures
PRODUCT DETAILS
Cas:10191-41-0
Min.Order:500 Kilogram
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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
Conditions | Yield |
---|---|
methanetrisulfonic acid In Ethylene carbonate; n-heptane; water at 50 - 140℃; for 1 - 1.66667h; | 92.4% |
methanetrisulfonic acid In 1,2-propylene cyclic carbonate; n-heptane; water at 50 - 140℃; for 1h; | 91.2% |
SnTf(51)-MCM-41 In hexane at 100℃; for 1h; |
4-((3R,7R,11R)-3-Hydroxy-3,7,11,15-tetramethyl-hexadecyl)-5,7,8-trimethyl-1-oxa-spiro[2.5]octa-4,7-dien-6-one
(+/-)-α-tocopherol
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In diethyl ether for 4h; | 60% |
(+/-)-α-tocopherol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride; aluminium trichloride Reduction; | 17% |
(RS)-isophytol
Trimethylhydroquinone
(+/-)-α-tocopherol
Conditions | Yield |
---|---|
With 1-(bis-CF3SO2-methyl)-2,3,4,5,6-pentafluoro-benzene In carbon dioxide at 100℃; under 187515 Torr; for 16h; Product distribution; Further Variations:; Pressures; Catalysts; Solvents; | A 79 % Chromat. B 3.4 % Chromat. |
(+/-)-α-tocopherol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 75 percent / nitric acid / acetic acid / 0.5 h / 20 °C 2: 17 percent / LiAlH4; AlCl3 View Scheme |
α-tocopherolquinone
(+/-)-α-tocopherol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 75 percent / silica gel / diethyl ether / 5 h / 0 - 5 °C 2: 60 percent / BF3*Et2O / diethyl ether / 4 h View Scheme |
(+/-)-α-tocopherol
Conditions | Yield |
---|---|
With (E)-5-[2-4-(hydroxyphenyl)ethenyl]-1,3-benzenediol; sodium dodecyl-sulfate at 20℃; pH=7.4; Kinetics; Reagent/catalyst; aq. buffer; Micellar solution; |
Conditions | Yield |
---|---|
Stage #1: Trimethylhydroquinone With acid treated bentonite at 120 - 125℃; for 0.25h; Friedel-Crafts Alkylation; Stage #2: isophytol at 120 - 125℃; for 10h; Catalytic behavior; Reagent/catalyst; Temperature; Friedel-Crafts Alkylation; | |
Stage #1: Trimethylhydroquinone With acid treated bentonite at 120 - 125℃; for 0.25h; Friedel-Crafts Alkylation; Stage #2: isophytol at 120 - 125℃; for 10h; Catalytic behavior; Temperature; Reagent/catalyst; Friedel-Crafts Alkylation; |
2,3,5-Trimethyl-1,4-benzoquinone
(+/-)-α-tocopherol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: palladium 10% on activated carbon; hydrogen / 23 h / 64 °C / 6000.6 Torr 2.1: acid treated bentonite / 0.25 h / 120 - 125 °C 2.2: 10 h / 120 - 125 °C View Scheme |
(+/-)-α-tocopherol
epichlorohydrin
2,5,7,8-tetramethyl-6-(oxiran-2-ylmethoxy)-2-(4,8,12-trimethyltridecyl)chroman
Conditions | Yield |
---|---|
With tetra(n-butyl)ammonium hydrogensulfate; potassium hydroxide In water at 0 - 20℃; for 4h; | 96% |
Conditions | Yield |
---|---|
With tetra(n-butyl)ammonium hydrogensulfate; potassium hydroxide In water at 0 - 20℃; for 4h; | 96% |
(+/-)-α-tocopherol
bromoacetic acid methyl ester
methyl 2-(2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)chroman-6-yloxy)acetate
Conditions | Yield |
---|---|
Stage #1: (+/-)-α-tocopherol With sodium hydride In N,N-dimethyl-formamide at 20℃; for 0.5h; Stage #2: bromoacetic acid methyl ester In N,N-dimethyl-formamide at 20℃; for 15h; | 93% |
trans-styrylacetic acid
(+/-)-α-tocopherol
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 24h; | 92% |
(+/-)-α-tocopherol
Conditions | Yield |
---|---|
Stage #1: α-L-polyglutamic acid; (+/-)-α-tocopherol With dmap; diisopropyl-carbodiimide In N,N-dimethyl-formamide at 15℃; for 3h; Stage #2: With hydrogenchloride In water; N,N-dimethyl-formamide pH=2; | 90% |
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 10h; Reflux; | 90% |
(+/-)-α-tocopherol
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 40℃; for 10h; Solvent; Temperature; | 88% |
(+/-)-α-tocopherol
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In pyridine at 20℃; for 24h; | 85% |
Conditions | Yield |
---|---|
Stage #1: (+/-)-α-tocopherol; bromoacetic acid methyl ester With potassium carbonate; potassium iodide In acetone Inert atmosphere; Reflux; Stage #2: With lithium aluminium tetrahydride In tetrahydrofuran at 20℃; for 4h; Inert atmosphere; | 85% |
Conditions | Yield |
---|---|
Stage #1: (+/-)-α-tocopherol; bromoacetic acid methyl ester With potassium carbonate; potassium iodide In acetone Inert atmosphere; Reflux; Stage #2: serinol In dimethyl sulfoxide at 25℃; for 6h; Inert atmosphere; | 85% |
5-azidolevulinic acid
(+/-)-α-tocopherol
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 12h; Inert atmosphere; | 83% |
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 36h; Methylation; Heating; | 82% |
(+/-)-α-tocopherol
5-((tert-butoxycarbonyl)amino)-4-oxopentanoic acid
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 12h; Inert atmosphere; | 78% |
4-(bromomethyl)-1-methyl-2,6,7-trioxabicyclo[2.2.2]-octane
(+/-)-α-tocopherol
Conditions | Yield |
---|---|
Stage #1: (+/-)-α-tocopherol With sodium hydride In N,N-dimethyl-formamide at 20℃; for 0.25h; Stage #2: 4-(bromomethyl)-1-methyl-2,6,7-trioxabicyclo[2.2.2]-octane In tetrahydrofuran at 100℃; for 24h; Inert atmosphere; Stage #3: With hydrogenchloride In methanol; dichloromethane at 50℃; for 4h; Inert atmosphere; | 78% |
methanol
(+/-)-α-tocopherol
8a-methoxy-α-tocopherone
Conditions | Yield |
---|---|
With potassium hydroxide; iodine at 10℃; for 0.166667h; | 68% |
BOC-glycine
(+/-)-α-tocopherol
Conditions | Yield |
---|---|
Stage #1: BOC-glycine; (+/-)-α-tocopherol With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; Stage #2: In dichloromethane at -20℃; for 2h; | 60% |
With dicyclohexyl-carbodiimide In pyridine for 24h; Ambient temperature; |
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In tetrahydrofuran at 50℃; for 48h; Inert atmosphere; | 60% |
Conditions | Yield |
---|---|
Stage #1: (+/-)-α-tocopherol With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.25h; Inert atmosphere; Stage #2: ethyl bromoacetate In N,N-dimethyl-formamide at 20℃; for 16h; Inert atmosphere; | 60% |
2-Iodobenzyl bromide
(+/-)-α-tocopherol
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 12h; | 38% |
Conditions | Yield |
---|---|
With stannous octoate In N,N-dimethyl acetamide at 140℃; for 24h; | 31.1% |
Conditions | Yield |
---|---|
With dmap; 2-chloro-1-methyl-pyridinium iodide In N,N-dimethyl acetamide at 50℃; for 4h; | 27.6% |
Conditions | Yield |
---|---|
With Medroxyprogesterone acetate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; | 26% |
Conditions | Yield |
---|---|
Stage #1: (+/-)-α-tocopherol; 6-Bromo-1-hexene With sodium hydroxide In N,N-dimethyl-formamide at 20℃; for 12h; Inert atmosphere; Schlenk technique; Stage #2: trimethoxysilane With platinum(0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex In 5,5-dimethyl-1,3-cyclohexadiene; N,N-dimethyl-formamide at 50℃; for 12h; Inert atmosphere; Schlenk technique; | 21% |
(+/-)-α-tocopherol
β-D-galactose peracetate
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In nitrobenzene at 90℃; for 5h; | 20% |
(+/-)-α-tocopherol
β-D-glucose pentaacetate
all-rac-α-tocopheryl 2,3,4,6-tetra-O-acetyl-β-D-glucopyranoside
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In nitrobenzene at 90℃; for 5h; | 15% |
(+/-)-α-tocopherol
β-D-mannopyranose pentaacetate
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In nitrobenzene at 90℃; for 5h; | 14% |
linoleic acid
(+/-)-α-tocopherol
dl-α-Tocopheryl linoleate
Conditions | Yield |
---|---|
With 1,1'-carbonyldiimidazole In chloroform | 98.9 % Chromat. |
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