DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:7235-40-7
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWhy is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days. 4) We have warehouse in USA with quickly shipment . 5) We c
Cas:7235-40-7
Min.Order:1 Kilogram
FOB Price: $15.0 / 85.0
Type:Trading Company
inquirySpecifications CAS No.: 7235-40-7 Other Names: / MF: C40H56 EINECS No.: / Place of Origin:
Come From Nature / Building Healthy Life Beauty In Your Face / Nourishment Your Taste Bud. Professional Factory: We has a complete production and operating system, with an annual output capacity of 2000 tons. It can produce variety of conten
Cas:7235-40-7
Min.Order:1 Kilogram
FOB Price: $24.6 / 99.0
Type:Manufacturers
inquiry
Cas:7235-40-7
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Manufacturers
inquiryWhat is Beta-carotene Beta-carotene is a member of the carotenoids, which are highly pigmented (red, orange, yellow), fat-soluble compounds naturally present in many fruits, grains, oils, and vegetables (green plants, carrots, sweet potatoes, squ
Cas:7235-40-7
Min.Order:1 Kilogram
FOB Price: $8.0
Type:Trading Company
inquiryQ1: Are you a manufacturer?Answer: Yes, we are factory founded on 2002. Q2: How to contact with us?Click "contact supplier" And then send us message the product you interest in, you will get reply within 12 hours. Q3:Which kind of payment terms do yo
Cas:7235-40-7
Min.Order:0
Negotiable
Type:Trading Company
inquiryItems Standard Result Appearance A brown-red or brownish-red,crystalline powder Qualified Purity
Cas:7235-40-7
Min.Order:1 Kilogram
FOB Price: $95.0 / 120.0
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:7235-40-7
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryProduct description: Product name beta-Carotene CAS number 7235-40-7 Assay 1%,10%,20%,96% Appearance Orange-yellow or red powder Capacity 2000mt/year Application Food, cosmetic
Cas:7235-40-7
Min.Order:10 Gram
FOB Price: $12.0
Type:Lab/Research institutions
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:7235-40-7
Min.Order:1 Metric Ton
FOB Price: $1.0 / 3.0
Type:Manufacturers
inquiryUnique advantages for beta-Carotene Cas 7235-40-7 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Powder Storage:?20°C Package:1kg/foil bag, 25kg/drum or as you required
Cas:7235-40-7
Min.Order:1 Kilogram
FOB Price: $350.0
Type:Trading Company
inquiryBeta Carotene Oil ITEM STANDARD Appearance Red brown crystal liquid Maximum absorption 453-457nm Absorption at 340 nm =<0.08 Content =&
Cas:7235-40-7
Min.Order:1 Kilogram
FOB Price: $2.0 / 3.0
Type:Manufacturers
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
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:7235-40-7
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquirybeta-Carotene CAS: 7235-40-7;116-32-5 Molecular Formula: C40H56 Home Product Category Chemical Reagents Reagents for biochemistry and molecular biology 7235-40-7 7235-40-7 - Names and Identifiers Name beta-Carotene Sy
Cas:7235-40-7
Min.Order:100 Gram
FOB Price: $21.9 / 183.0
Type:Trading Company
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:7235-40-7
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
inquiryName:beta-Carotene CAS:7235-40-7 Grade:For chemical industry, scientific research and export Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data storage Security without vulnerability
Cas:7235-40-7
Min.Order:25 Kilogram
FOB Price: $1.0 / 2.0
Type:Other
inquiryProduct Name: beta-Carotene Synonyms: SOLATENE;PROVITAMIN A1;PROVITAMIN A;TRANS-B-CAROTENE;TRANS-BETA-CAROTENE;(all-E)-1,1'-(3,7,12,16-Tetramethyl-1,3,5,7,9,11,13,15,17-octadecanonaene-1,18-diyl)bis(2,6
Density: 1.000 Melting point: 178-179 ° C Boiling point: 644.94 ° C (rough estimate) Flash point: 103 ° C Solubility in Hexane, dimethyl sulfoxide, benzene, chloroform, cyclohexane Insoluble in water Steam pressure: 0.004Pa at 25 ℃ Solubi
Cas:7235-40-7
Min.Order:1 Kilogram
FOB Price: $15.0 / 50.0
Type:Trading Company
inquiryName: β-Carotene CAS:7235-40-7 MF: C40H56 Appearance:Red Powder Storage:Store in cool and dry place, away from sun light. Package:25kg Application:Medical Purpose; Food Additive;Cosmetics Transportation:By sea or by air Port:Qingdao Port
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:7235-40-7
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
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:7235-40-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAppearance:Orange powder Storage:R.T Package:25kg/drum Application:Food colorant Transportation:Express/Sea/Air Port:Any port in China
Cas:7235-40-7
Min.Order:25 Kilogram
FOB Price: $28.5 / 40.0
Type:Lab/Research institutions
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance: Red Brown Powder Storage:Store in sealed containers at coo
Cas:7235-40-7
Min.Order:100 Gram
Negotiable
Type:Other
inquiryHanways chempharm is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The marketing department is located in Wuhan. We have two GMP facilities in Hubei Pr
Cas:7235-40-7
Min.Order:1 Kilogram
FOB Price: $200.0 / 400.0
Type:Trading Company
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:7235-40-7
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:7235-40-7
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 present
Cas:7235-40-7
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryβ-Carotene CAS:7235-40-7 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 intermedia
Cas:7235-40-7
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
(1E)-1-(2,6,6-trimethylcyclohex-1-enyl)-3-methyl-1,4-pentadien-3-ol
triphenylphosphine
beta-carotene
Conditions | Yield |
---|---|
Stage #1: (1E)-1-(2,6,6-trimethylcyclohex-1-enyl)-3-methyl-1,4-pentadien-3-ol; triphenylphosphine With hydrogenchloride In methanol; water at 45℃; for 1h; Stage #2: (2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial With 1,2-bis (3-methylimidazolium-1-yl) ethane dihydroxide; sodium carbonate In methanol; water at 20℃; for 3h; Reagent/catalyst; Temperature; Wittig Olefination; Inert atmosphere; | 95% |
Conditions | Yield |
---|---|
Stage #1: Retinol acetate With sulfuric acid; triphenylphosphine In methanol at 0 - 5℃; for 10.5h; Stage #2: With palladium diacetate; β‐cyclodextrin In ethanol; dichloromethane; water under 16501.7 Torr; for 8h; Reagent/catalyst; Solvent; Pressure; Temperature; Autoclave; | 90.6% |
Stage #1: Retinol acetate With aniline In ethanol Stage #2: With hydrogenchloride; triphenylphosphine In ethanol; water at 10 - 25℃; for 26h; Reagent/catalyst; Solvent; Further stages; | 58.75% |
2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene
beta-carotene
Conditions | Yield |
---|---|
Stage #1: C35H48Si With tetrabutyl ammonium fluoride In tetrahydrofuran at 0℃; for 0.5h; Inert atmosphere; Stage #2: 2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene With tris(dibenzylideneacetone)dipalladium(0) chloroform complex In tetrahydrofuran at 0 - 25℃; for 1.25h; Inert atmosphere; | 90% |
(2E,4E,6E,8E,10E,12E,14E)-2,15-diiodo-6,11-dimethylhexadeca-2,4,6,8,10,12,14-heptaene
tributyl [(E)-2-(2,6,6-trimethylcyclohex-1-en-1-yl)ethenyl]stannane
beta-carotene
Conditions | Yield |
---|---|
Stage #1: (2E,4E,6E,8E,10E,12E,14E)-2,15-diiodo-6,11-dimethylhexadeca-2,4,6,8,10,12,14-heptaene; tributyl [(E)-2-(2,6,6-trimethylcyclohex-1-en-1-yl)ethenyl]stannane With tetrakis(triphenylphosphine) palladium(0); copper(I) thiophene-2-carboxylate; Tetrabutylammoniumsalz der Diphenylphosphinsaeure In N,N-dimethyl-formamide at 25℃; Stille Cross Coupling; Inert atmosphere; Stage #2: With 2,6-di-tert-butyl-4-methyl-phenol In diethyl ether; N,N-dimethyl-formamide; toluene at 25℃; Inert atmosphere; | 86% |
5,14-bis(benzenesulfonyl)-3,7,12,16-tetramethyl-1,18-bis(2,6,6-trimethyl-1-cyclohexenyl)octadeca-1,3,9,15,17-pentaene-6,13-diol bis(methoxymethyl) ether
A
beta-carotene
Conditions | Yield |
---|---|
With potassium methanolate In cyclohexane at 80℃; for 16h; | A 84% B n/a |
5,14-bis(benzenesulfonyl)-3,7,12,16-tetramethyl-1,18-bis(2,6,6-trimethyl-1-cyclohexenyl)octadeca-1,3,9,15,17-pentaene-6,13-diol bis(methoxymethyl) ether
A
beta-carotene
B
(11Z)-β,β-carotene
Conditions | Yield |
---|---|
With potassium methanolate In cyclohexane at 80℃; for 16h; Product distribution / selectivity; | A 84% B n/a |
beta-carotene
Conditions | Yield |
---|---|
With potassium methanolate In cyclohexane; benzene at 70 - 80℃; for 18h; | 81% |
With potassium methanolate In cyclohexane; benzene at 70 - 80℃; for 18h; Product distribution / selectivity; | 81% |
11,20-dibenzenesulfonyl-11,12,19,20-tetrahydro-β-carotene
beta-carotene
Conditions | Yield |
---|---|
With sodium In ethanol for 10h; desulfonation; Heating; | 75% |
With sodium In ethanol for 10h; Heating / reflux; | 75% |
beta-carotene
Conditions | Yield |
---|---|
With sodium In ethanol; toluene | 75% |
2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene
beta-carotene
Conditions | Yield |
---|---|
With 2,6-di-tert-butyl-4-methyl-phenol; N-ethyl-N,N-diisopropylamine; bis(benzonitrile)palladium(II) dichloride In tetrahydrofuran; N,N-dimethyl-formamide at 20℃; for 16h; Stille cross-coupling; | 73% |
(2E,4E,6E,8E,10E,12E,14E)-2,15-diiodo-6,11-dimethylhexadeca-2,4,6,8,10,12,14-heptaene
(E)-4,4,5,5-tetramethyl-2-(2-(2,6,6-trimethylcyclohex-1-enyl)-vinyl)-1,3,2-dioxaborolane
beta-carotene
Conditions | Yield |
---|---|
Stage #1: (2E,4E,6E,8E,10E,12E,14E)-2,15-diiodo-6,11-dimethylhexadeca-2,4,6,8,10,12,14-heptaene With tetrakis(triphenylphosphine) palladium(0); 2,6-di-tert-butyl-4-methyl-phenol In tetrahydrofuran; toluene at 25℃; for 0.0833333h; Suzuki Coupling; Inert atmosphere; Stage #2: (E)-4,4,5,5-tetramethyl-2-(2-(2,6,6-trimethylcyclohex-1-enyl)-vinyl)-1,3,2-dioxaborolane With thallium(I) hydroxide In tetrahydrofuran; water; toluene at 25℃; for 4h; Suzuki Coupling; Inert atmosphere; | 73% |
beta-carotene
Conditions | Yield |
---|---|
With potassium methanolate In cyclohexane; benzene at 70 - 80℃; for 18h; | 71% |
With potassium methanolate In cyclohexane; benzene at 70 - 80℃; for 18h; Product distribution / selectivity; | 71% |
5,14-bis(benzenesulfonyl)-3,7,12,16-tetramethyl-1,18-bis(2,6,6-trimethyl-1-cyclohexenyl)octadeca-1,3,9,15,17-pentaene-6,13-diol bis(1-ethoxyethyl) ether
A
beta-carotene
Conditions | Yield |
---|---|
With potassium methanolate In cyclohexane at 80℃; for 16h; | A 70% B n/a |
beta-carotene
Conditions | Yield |
---|---|
With potassium methanolate In cyclohexane; benzene at 70 - 80℃; for 17h; | 70% |
With potassium methanolate In cyclohexane; benzene at 70 - 80℃; for 17h; Product distribution / selectivity; | 70% |
Conditions | Yield |
---|---|
With potassium methanolate In cyclohexane at 80℃; for 16h; Product distribution / selectivity; | A 70% B n/a |
(E)-1-bromo-2-iodoethylene
trimethylaluminum
1-((E,E,E)-3-methyl-1,3,5-octatrien-7-ynyl)-2,6,6-trimethyl-1-cyclohexene
beta-carotene
Conditions | Yield |
---|---|
Stage #1: trimethylaluminum; 1-((E,E,E)-3-methyl-1,3,5-octatrien-7-ynyl)-2,6,6-trimethyl-1-cyclohexene With zirconocene dichloride In dichloromethane at 23℃; for 4h; Stage #2: at 50℃; Stage #3: (E)-1-bromo-2-iodoethylene With tris(dibenzylideneacetone)dipalladium (0); zinc(II) chloride In tetrahydrofuran; N,N-dimethyl-formamide at 23℃; for 8h; Further stages.; | 68% |
Stage #1: trimethylaluminum; 1-((E,E,E)-3-methyl-1,3,5-octatrien-7-ynyl)-2,6,6-trimethyl-1-cyclohexene; zirconocene dichloride In 1,2-dichloro-ethane at 20℃; for 20h; Stage #2: (E)-1-bromo-2-iodoethylene With zinc(II) chloride; tris(dibenzylideneacetone)dipalladium (0) In tetrahydrofuran; N,N-dimethyl-formamide at 20℃; for 5h; Further stages.; | 68% |
Conditions | Yield |
---|---|
Stage #1: C38H44ClP With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Stage #2: (R)-9-cis-13,14-dihydro-retinal In tetrahydrofuran; hexane at -78 - 25℃; for 1.5h; | 67% |
beta-carotene
Conditions | Yield |
---|---|
With dihydrogen peroxide; potassium carbonate In water at 15℃; for 1h; | 66.1% |
With bis(acetylacetonate)oxovanadium; 18-crown-6 ether; oxygen; potassium carbonate In toluene at 40℃; for 6h; Catalytic behavior; Concentration; Reagent/catalyst; Molecular sieve; Green chemistry; |
2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene
beta-carotene
Conditions | Yield |
---|---|
Stage #1: C23H34OSi2 With potassium trimethylsilonate In tetrahydrofuran; 1,4-dioxane at 25℃; for 0.25h; Inert atmosphere; Stage #2: 2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene With bis(dibenzylideneacetone)-palladium(0) In 1,4-dioxane at 25℃; for 1.5h; Inert atmosphere; Stage #3: C23H34OSi2 Further stages; | 66% |
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
(2E,4E)-3-methyl-5-(2,6,6-trimethyl-1-cyclohexenyl)-2,4-pentadien-1-ol
beta-carotene
Conditions | Yield |
---|---|
With tributylphosphine; phenyl isocyanate; tetrakis(triphenylphosphine) palladium(0) In acetonitrile for 5h; Heating; | 65% |
Conditions | Yield |
---|---|
Stage #1: RETINOL With pyridine In methanol Stage #2: With hydrogen bromide; triphenylphosphine In methanol at 5 - 35℃; for 35h; Reagent/catalyst; Solvent; Further stages; | 64.42% |
Multi-step reaction with 2 steps 1.1: hydrogenchloride / methanol; 1,4-dioxane / 2 h / 25 °C 2.1: n-butyllithium / tetrahydrofuran; hexane / 0.5 h / -78 °C 2.2: 1.5 h / -78 - 25 °C View Scheme |
Conditions | Yield |
---|---|
With Hoveyda-Grubbs catalyst second generation In toluene at 25℃; for 4.5h; Reagent/catalyst; | A 16% B 62% C 1% |
diethyl 3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienylphosphonate
(2E,4E,6E)-2,7-dimethyl-2,4,6-octatrienedial
B
beta-carotene
Conditions | Yield |
---|---|
With potassium tert-butylate In tetrahydrofuran | A 61% B n/a |
2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene
beta-carotene
Conditions | Yield |
---|---|
Stage #1: (1E,3E,5E,7E,9E)-1,10-di(benzyldimethylsilyl)-3,8-dimethyldeca-1,3,5,7,9-pentaene With tetrabutyl ammonium fluoride In tetrahydrofuran at 0℃; for 0.666667h; Inert atmosphere; Stage #2: 2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene With tris(dibenzylideneacetone)dipalladium(0) chloroform complex In tetrahydrofuran at 0 - 25℃; for 1.25h; Inert atmosphere; | 61% |
5,14-bis(benzenesulfonyl)-6,13-dibromo-3,7,12,16-tetramethyl-1,18-bis(2,6,6-trimethyl-1-cyclohexenyl)octadeca-1,3,9,15,17-pentaene
A
beta-carotene
Conditions | Yield |
---|---|
With potassium tert-butylate In cyclohexane at 80℃; for 16h; | A 60% B n/a |
A
beta-carotene
B
methyl (2E,4E,6E,8E,10E,12E,14E)-4,9,13-trimethyl-15-(2,6,6-trimethylcyclohex-1-en-1-yl)pentadeca-2,4,6,8,10,12,14-heptaenoate
Conditions | Yield |
---|---|
With Hoveyda-Grubbs catalyst second generation In toluene at 25℃; for 7h; | A 58% B 24% |
A
(E)-2-(3-methylbuta-1,3-dienyl)-1,3,3-trimethyl-cyclohex-1-ene
B
beta-carotene
C
(1E,3E)-3-methyl-1-[2,6,6-trimethylcyclohex-1-enyl]hexa-1,3,5-triene
D
2-((1E,3E,5E)-3,7-dimethylocta-1,3,5,7-tetraen-1-yl)-1,3,3-trimethylcyclohex-1-ene
Conditions | Yield |
---|---|
With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride In dichloromethane at 50℃; for 6.5h; Inert atmosphere; | A 0.1% B 57% C 3% D 5% |
beta-carotene
Conditions | Yield |
---|---|
With dihydrogen peroxide; potassium hydroxide In water at 15℃; for 2h; | 53.5% |
Conditions | Yield |
---|---|
With cerium(IV) oxide; sulfuric acid; potassium iodide In dichloromethane; water at 0℃; under 760.051 Torr; for 2.5h; Reagent/catalyst; Temperature; UV-irradiation; | 99.5% |
With sulfuric acid; copper(II) sulfate; potassium iodide In dichloromethane; water at -5 - 45℃; under 760.051 Torr; for 4h; Temperature; Reagent/catalyst; Green chemistry; | 98.05% |
With dihydrogen peroxide; potassium iodide; lithium hydroxide In dichloromethane; water at -5 - 45℃; under 760.051 Torr; for 5.5h; Catalytic behavior; Temperature; Reagent/catalyst; Green chemistry; | 98.05% |
Conditions | Yield |
---|---|
With oxygen In water under 760.051 Torr; for 8h; Solvent; Reagent/catalyst; | 89% |
With osmium(VIII) oxide; diethyl ether; sodium sulfate Reagens 4: wss. H2O2; | |
With chloroform; dihydrogen peroxide; acetic acid | |
With manganese(IV) oxide |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View