English name: Marigold Extract lutein Latin name: Tagetes erecta L. Part: Marigold flowers Active Ingredient: Lutein CAS No.: 127-40-2 Molecular formula : C40H56O2 Active Ingredient: Zeaxanthin Quality data
Cas:127-40-2
Min.Order:1 Kilogram
FOB Price: $60.0
Type:Trading Company
inquiryAppearance:Orange yellow powder Storage:Room temperature Package:25kg/drum Application:Natural extract Transportation:Express/Sea/Air Port:Any port in china
Cas:127-40-2
Min.Order:25 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryAPI, we can produce it with many specifications from 5% to 90%. We have exported this item for mroe than 15years and our quality is approved by all of our customers.Appearance:Yellow powder Storage:as normal Package:as required Application:eye, API T
Colorcom 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
Why 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:127-40-2
Min.Order:1 Kilogram
FOB Price: $10.0 / 200.0
Type:Trading Company
inquiryCartoon Ingredients Co.,Ltd.is located in NanJing, the capital of Jiangsu Province.with Convenient traffic As a manufacturer, the company mainly engaged in providing Food ingredients, Herbal extracts, Vitamins, APIs and Fine chemicals &a
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:127-40-2
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:127-40-2
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
inquirySuperiority pioneerbiotech 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 q
Cas:127-40-2
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Other
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:127-40-2
Min.Order:1 Metric Ton
FOB Price: $1.0 / 3.0
Type:Manufacturers
inquiryBest service,high quality and cheap price. Appearance:Brown powder Storage:Cool,dry place and keep from light Package:25kg/drum,1kg/bag Application:Mainly used in medicine, health food, tobacco, cosmetics raw materials or auxiliary materials, etc T
We are: Focus on the research, production and sale of Plant and Animal extract, Medical intermediate, complete coverage six industries. Product grade: Medicine, Health care product, Cosmetics, Food,Feed, Biopesticide. Hot selling market: Europe,
Cas:127-40-2
Min.Order:1 Kilogram
FOB Price: $33.6 / 36.5
Type:Manufacturers
inquiry1, Full experience of large numbers containers loading in main Chinese seaports 2, Packing with pallet as buyer's special request 3, Best service after shipment with e-mail 4, Cargoes together with container sales service available
Cas:127-40-2
Min.Order:1 Metric Ton
Negotiable
Type:Trading Company
inquiryAnalysis tests Standard Results Appearance Yellowish Crystallization Hangzhou Dingyan Chem is a leading manufacturer and supplie
Cas:127-40-2
Min.Order:1 Kilogram
FOB Price: $250.0 / 350.0
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:127-40-2
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
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,
Cas:127-40-2
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Manufacturers
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.O
Company Information Thank you for your attention to Hebei Dangtong Import and Export Co., LTD. We are an enterprise mainly engaged in the import and export of chemical raw materials. Our company has a stable and mature business operation and servi
Cas:127-40-2
Min.Order:1 Metric Ton
FOB Price: $1060.0 / 1100.0
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:127-40-2
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryProduct: Lutein Botanical Source:Marigold Flower Latin Name:Tagetes Erecta L. Part Used:Flower Appearance: yellow fine powder Specification: 5%, 10%, 20%, 50%, 90% HPLC/ UV CAS No.:127-40-2 Molecular formula: C30H26O12 Molecular
Cas:127-40-2
Min.Order:5 Metric Ton
FOB Price: $1.0 / 2.0
Type:Other
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:Yellow to brown fine powder Storage:Store in sealed containe
Cas:127-40-2
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:127-40-2
Min.Order:1 Kilogram
FOB Price: $10.0 / 12.0
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:127-40-2
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:127-40-2
Min.Order:10 Gram
FOB Price: $2.0
Type:Trading Company
inquiryPacking: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Appearance:oil or powder Storage:Refer to COA / MSDS Packa
Cas:127-40-2
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiry1.strict raw material selection 2.mature production process 3.perfect quality control system 4.intimate servcie 5.competitive price 6.downstream customization 7.has a number of highly qualified engineers and experts to provide guidance for r
Cas:127-40-2
Min.Order:100 Gram
Negotiable
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. A
Cas:127-40-2
Min.Order:1 Kilogram
FOB Price: $85.0 / 100.0
Type:Trading Company
inquiryXanthophyll CAS: 127-40-2 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:127-40-2
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquirylutein
Conditions | Yield |
---|---|
Stage #1: marigold oleoresin With INDION 860 In butan-1-ol at 50℃; for 2h; Stage #2: With sodium hydroxide; tetrabutylammomium bromide In butan-1-ol at 50℃; for 1h; Product distribution / selectivity; | 94% |
With sodium hydroxide; tetra(n-butyl)ammonium hydrogensulfate In butan-1-ol at 45 - 50℃; for 0.5h; Product distribution / selectivity; | 91% |
With sodium hydroxide; tetrabutylammomium bromide In butan-1-ol at 45 - 50℃; for 0.5h; Product distribution / selectivity; | 90% |
With potassium hydroxide Product distribution / selectivity; | |
Stage #1: marigold oleoresin With ion exchange resin In butan-1-ol at 50℃; for 2h; Stage #2: With sodium hydroxide; tetra(n-butyl)ammonium hydrogensulfate In butan-1-ol at 50℃; for 1h; Product distribution / selectivity; |
lutein
Conditions | Yield |
---|---|
With potassium hydroxide In dichloromethane; water; isopropyl alcohol Ambient temperature; | 25% |
Conditions | Yield |
---|---|
With sodium tetrahydroborate In tetrahydrofuran; water at 0℃; | |
With sodium tetrahydroborate | A 1.8 mg B 2.0 mg |
4',5'-didehydro-4,5'-retro-β,β-carotene-3,3'-dione
A
zeaxanthin
B
lutein
C
(3R,3'S,6'R)-lutein
Conditions | Yield |
---|---|
With tellurium; sodium tetrahydroborate In carbon disulfide; ethanol at 40℃; for 0.333333h; Title compound not separated from byproducts; | A 24 % Chromat. B 44 % Chromat. C 31 % Chromat. |
With tellurium; sodium tetrahydroborate In carbon disulfide; ethanol at 40℃; for 0.333333h; | A 24 % Chromat. B 44 % Chromat. C 31 % Chromat. |
lutein
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: ethyl acetate / Ambient temperature 2: NaCl / CH2Cl2 3: 25 percent / 50percent KOH / CH2Cl2; H2O; propan-2-ol / Ambient temperature View Scheme |
lutein
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 48percent Bromwasserstoffsaeure / diethyl ether; H2O / -15 - -12 °C 2: ethyl acetate / Ambient temperature 3: NaCl / CH2Cl2 4: 25 percent / 50percent KOH / CH2Cl2; H2O; propan-2-ol / Ambient temperature View Scheme |
lutein
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: NaCl / CH2Cl2 2: 25 percent / 50percent KOH / CH2Cl2; H2O; propan-2-ol / Ambient temperature View Scheme |
Conditions | Yield |
---|---|
With potassium hydroxide; water In ethanol at 73 - 75℃; for 0.5h; Product distribution / selectivity; |
3,3'-dioxo-trans-α-carotene
lutein
Conditions | Yield |
---|---|
With sodium borohydrid In methanol; dichloromethane |
lutein
Conditions | Yield |
---|---|
In ethyl acetate for 4h; Inert atmosphere; Reflux; optical yield given as %de; | 0.296 g |
C
lutein
Conditions | Yield |
---|---|
Stage #1: (all-E,3R,3'R,6'R)-β,ε-carotene-3,3'-diol 3,3'-diacetate With tert.-butylhydroperoxide In water; ethyl acetate at 0℃; Inert atmosphere; Stage #2: With sodium hypochlorite In water; ethyl acetate at 0 - 20℃; Inert atmosphere; Stage #3: With methanol; potassium hydroxide In dichloromethane at 20℃; for 2h; |
lutein
Conditions | Yield |
---|---|
In ethyl acetate for 4h; Inert atmosphere; Reflux; |
succinic acid anhydride
lutein
(3R,3'R,6'R)-β,ε-carotenyl-3,3'-disuccinate
Conditions | Yield |
---|---|
With dmap; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 48h; | 93.09% |
With dmap In dichloromethane at 20℃; | 74% |
Stage #1: succinic acid anhydride; lutein With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; Stage #2: With hydrogenchloride In dichloromethane; water | 64% |
lutein
Conditions | Yield |
---|---|
With potassium hydroxide In butan-1-ol at 115℃; for 12h; Reagent/catalyst; Solvent; Temperature; | 92% |
With potassium hydroxide In benzyl alcohol at 108 - 110℃; for 18h; Product distribution / selectivity; | |
With potassium hydroxide; benzyl alcohol In water at 100 - 110℃; for 8 - 18h; Product distribution / selectivity; | |
Multi-step reaction with 3 steps 1.1: sulfuric acid / propan-1-ol; water / 20 h / Reflux 2.1: tetrahydrofuran; sodium tetrahydroborate; methyl iodide / 2 h / 10 - 20 °C / Inert atmosphere 2.2: 1 h / -10 - 29 °C / Inert atmosphere 2.3: immobilized lipase from Pseudomonas cepacia / 48 h / 20 °C / Inert atmosphere; Enzymatic reaction 3.1: methanol; potassium hydroxide / tetrahydrofuran / 1 h / 20 °C / Inert atmosphere View Scheme | |
With isomerohydrolase for 48h; Enzymatic reaction; |
Conditions | Yield |
---|---|
With pyridine In tetrahydrofuran at 45℃; for 6h; Inert atmosphere; | 89% |
With pyridine In tetrahydrofuran at 45℃; Inert atmosphere; | 89% |
With dmap In pyridine at 20℃; for 12h; | 62% |
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 12h; Darkness; Inert atmosphere; | 86% |
Conditions | Yield |
---|---|
With pyridine In tetrahydrofuran at 60 - 65℃; | 75% |
Conditions | Yield |
---|---|
In tetrahydrofuran; pyridine at 20℃; | 75% |
lutein
(1S)-(-)-camphanic chloride
Conditions | Yield |
---|---|
With dmap In tetrahydrofuran; pyridine; benzene at 50℃; | 74.5% |
Conditions | Yield |
---|---|
With potassium tert-butylate In benzene at 35℃; for 12h; | 73% |
With potassium tert-butylate |
Conditions | Yield |
---|---|
With dmap; acetic anhydride In tetrahydrofuran at 0℃; for 0.833333h; | 72% |
lutein
thioacetic acid
Thioacetic acid S-{(R)-4-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-((R)-4-hydroxy-2,6,6-trimethyl-cyclohex-1-enyl)-3,7,12,16-tetramethyl-octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-3,5,5-trimethyl-cyclohex-2-enyl} ester
Conditions | Yield |
---|---|
With zinc(II) chloride In dichloromethane at 25℃; for 1.5h; | 67% |
Conditions | Yield |
---|---|
With Novozyme 435 In methanol; toluene at 37℃; for 6h; Darkness; Enzymatic reaction; | 61% |
Conditions | Yield |
---|---|
With Novozyme 435 In methanol; toluene at 37℃; for 6h; Darkness; Enzymatic reaction; | 60% |
Conditions | Yield |
---|---|
With Novozyme 435 In methanol; toluene at 37℃; for 6h; Darkness; Enzymatic reaction; | 59% |
lutein
MANDELIC ACID
Conditions | Yield |
---|---|
With Novozyme 435 In methanol; toluene at 37℃; for 6h; Darkness; Enzymatic reaction; | 58% |
Conditions | Yield |
---|---|
With hydrogenchloride | |
With hydrogenchloride In chloroform |
Conditions | Yield |
---|---|
With hydrogenchloride |
Conditions | Yield |
---|---|
(i) TsCl, Py, (ii) LiAlH4; Multistep reaction; |
lutein
(1R,4R)-3,5,5-Trimethyl-4-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-3,7,12,16-tetramethyl-18-(2,6,6-trimethyl-cyclohexa-1,3-dienyl)-octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-cyclohex-2-enol
Conditions | Yield |
---|---|
With 5-Chloro-1-phenyltetrazole; potassium tert-butylate |
lutein
(3R,6'R)-3-hydroxy-3',4'-didehydro-β,γ-carotene
Conditions | Yield |
---|---|
(i) AlCl3, LiAlH4, (ii) aq. MeOH; Multistep reaction; |
Conditions | Yield |
---|---|
With pyridine; sulfur trioxide for 1h; Ambient temperature; Yield given. Yields of byproduct given; |
Conditions | Yield |
---|---|
With pyridine; sulfur trioxide for 1h; Ambient temperature; Yield given. Yields of byproduct given; |
Conditions | Yield |
---|---|
With pyridine for 0.166667h; Ambient temperature; |
lutein
B
lutein
C
(3'S,6'R)-2,3-didehydro-β,ε-caroten-3'-ol
D
(3S,3'S,6'R)-lutein
Conditions | Yield |
---|---|
With potassium hydroxide; formic acid; triphenylphosphine; diethylazodicarboxylate 1.) benzene, 18 h; Yield given. Multistep reaction. Further byproducts given. Yields of byproduct given; |
lutein
B
lutein
C
(3'R,6'R)-2,3-didehydro-β,ε-caroten-3'-ol
D
(3S,3'S,6'R)-lutein
Conditions | Yield |
---|---|
With potassium hydroxide; formic acid; triphenylphosphine; diethylazodicarboxylate 1.) benzene, 18 h; Yield given. Multistep reaction. Further byproducts given. Yields of byproduct given; |
lutein
A
(13Z)-lutein+(13'Z)-lutein
B
neolutein B <9-cis-lutein>
C
(9'Z,3R,3'R,6'R)-lutein
Conditions | Yield |
---|---|
iodine Irradiation; |
lutein
A
neolutein B <9-cis-lutein>
B
(13'Z,3R,3'R,6'R)-lutein
C
(9'Z,3R,3'R,6'R)-lutein
D
neolutein A <13-cis-lutein>
Conditions | Yield |
---|---|
iodine Irradiation; | |
In dichloromethane at 30℃; for 2.5h; Kinetics; Solvent; Inert atmosphere; Darkness; Sonication; |
lutein
A
2,3-didehydrolutein
B
2,3,3',4'-tetradehydro-β,γ-carotene
C
2,3,2',3'-tetradehydro-β,β-carotene
D
(3'R,6'R)-2,3-didehydro-β,ε-caroten-3'-ol
Conditions | Yield |
---|---|
With potassium hydroxide; formic acid; triphenylphosphine; diethylazodicarboxylate 1.) benzene, 18 h; Yield given. Multistep reaction. Further byproducts given. Yields of byproduct given. Title compound not separated from byproducts; |
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