Shanghai SOYOUNG onsite assessment conducted by Bureau Veritas commissioned at June 2018. Assessed Supplier of Shanghai SOYOUNG is a faithful and professional supplier of health raw materials in pharmacy,food, cosmetic and other fields for many yea
Cas:491-70-3
Min.Order:1 Kilogram
FOB Price: $310.0
Type:Lab/Research institutions
inquirystrengths: stable supply superior quality advanced technology sufficient stock legal /safety production competitive price Appearance:Yellow powder Storage:Store in cool and dry place Package:25kg/drum, double-layer plastic ba
Cas:491-70-3
Min.Order:25 Kilogram
FOB Price: $265.65 / 270.32
Type:Other
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 and raw materials. Binbo is engaged in R&D with perfect eq
Cas:491-70-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur advantage 1. Free sample and unconditional assume response 2. 100% natural product, without any synthetize ingredient 3. Manufacturer direct supply, provide OEM, R&D service 4. ISO/HACCP/KOSHER/GMP/FDA 5. Leading plant extract man
Hubei Lidu New Materials Technology Co. , Ltd. is located in No. 12,3C Industrial Park, Zhongxiang Economic Development Zone, Hubei Province. The company is committed to fine chemical raw materials, pharmaceutical intermediates and other production,
The quality is guaranteed. If you find the product is wrong compared with COA, we promise 100% refund or change product. COA and HPLC will be shipped out with goods. You can also inform your analysis method and we will follow your analysis me
Arachis Hypogaea Extract Luteolin 98% Product Name: Peanut hull extract, Peanut shell extract, Arachis hypogaea extract, Luteolin Latin Name: Arachis hypogaea L., Ajuga decumbens Thunb Molecular Formula: C15H10O6 Molec
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 ch
Cas:491-70-3
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryItems Standard Result Appearance Yellow powder Complies Assay 98%min 98.18%
Cas:491-70-3
Min.Order:1 Kilogram
FOB Price: $250.0 / 350.0
Type:Manufacturers
inquiryAbout us We are a Professionally Managed Biotech Company exclusively into the manufacturing, Marketing and Exporting of Plant Extracts and Health Care Products.There are 15 experts in our research team. We insist in innovation and pr
Hebei yanxi chemical co., LTD is a professional research, development and production 2-phenylacetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carbon environ
Manufacturer supply Luteolin CAS 491-70-3 with attractive price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed addit
Cas:491-70-3
Min.Order:10 Kilogram
FOB Price: $10.0
Type:Trading Company
inquiryScutellaria Barbata Powder Barbed Skullcap Extract Xi'an Quanao Biotech Co., Ltd. is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, peptide,Nootropis etc API, food and feed additives, herbal ext
Cas:491-70-3
Min.Order:100 Kilogram
FOB Price: $16.0 / 23.0
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
Sales: 1.24hours to reply your E-mail 2.Market information trend share with customers Suggestion for purchase decision Reputation: 1.Implementing contract terms strictly 2.Timely solve any discrepancy or goods claims Take our responsibility for loss
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:491-70-3
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryF Luteolin CAS: 491-70-3 Molecular Formula: C15H10O6 Home Product Category Drug substance Respiratory system medication 491-70-3 491-70-3 - Names and Identifiers Name Luteolin Synonyms LUTEOLIN Luteolin LUTE
Cas:491-70-3
Min.Order:1 Kilogram
FOB Price: $35.0 / 49.0
Type:Lab/Research institutions
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:491-70-3
Min.Order:1 Kilogram
FOB Price: $1.0
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:491-70-3
Min.Order:1 Metric Ton
Negotiable
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:Luteolin English Name:Luteolin CSA:491-70-3 Molecular formula: C15H10O6 Molecular weight: 286.24 Packaging Specification: 25kg/drum high purity 99%min stock Hubei DiBo Chemical Co., Ltd. was founded in 2009, is a high-tech industrial
Cas:491-70-3
Min.Order:25 Kilogram
FOB Price: $1.0 / 2.0
Type:Other
inquiryGIHI CHEMICALS exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, GIHI CHEMICALS is your best choice. pls contact with us freely for getting detailed prod
Luteolin Basic information Product Name: Luteolin Synonyms: 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4h-1-benzopyran-4-on;3’,4’,5,7-tetrahydroxy-flavon;c.i.75590;c.i.naturalyell
Cas:491-70-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
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:491-70-3
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:491-70-3
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryProduct Name: Peanut Skin Extract Luteolin Botanical Source: Arachis hypogaea Linn. Specs:98%,other specs 80%, 90%, 95% Appearance: Yellow needle crystalline Part Used: Peanut Skin Cas No.: 491-70-3 Molecular Formula: C15H10O6 Molecul
Advantage : 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:491-70-3
Min.Order:0
Negotiable
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:Light yellow fine powder Storage:Store in sealed containers
Cas:491-70-3
Min.Order:100 Gram
Negotiable
Type:Other
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:491-70-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry5,7-dihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
With C9H8IO4Pol In dimethyl sulfoxide at 25℃; for 2h; | 95% |
With cytochromes P450 in human liver microsomes Kinetics; Enzymatic reaction; |
2-(3,4-dimethoxyphenyl)-5,7-dimethoxy-4H-chromen-4-one
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
With pyridine hydrochloride at 190℃; for 6h; Inert atmosphere; | 89% |
With pyridine hydrochloride at 180℃; for 6.5h; Inert atmosphere; | 88% |
Stage #1: 2-(3,4-dimethoxyphenyl)-5,7-dimethoxy-4H-chromen-4-one With aluminum (III) chloride In toluene at 80 - 140℃; Stage #2: With hydrogenchloride In water; toluene at 0℃; Reagent/catalyst; Solvent; Temperature; Time; | 70.2% |
2-(3,4-bis(benzyloxy)phenyl)-5,7-dihydroxy-4H-chromen-4-one
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In N,N-dimethyl-formamide Ambient temperature; | 80% |
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
With sulfuric acid In acetic acid at 95 - 100℃; for 1h; | 78% |
2',3,4,4',6'-pentahydroxychalcone
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
With oxygen at 20℃; under 760.051 Torr; for 1h; Reagent/catalyst; | 72% |
luteolin 7-O-glucoside
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
With sulfuric acid for 4h; | 68.2% |
With acid | |
With sulfuric acid; water for 2h; Heating; | 70 mg |
luteolin 7-O-glucoside
A
D-glucose
B
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
With water Acidic conditions; | A n/a B 66% |
Acid hydrolysis; | |
Acidic aq. solution; | |
Acidic conditions; |
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
Stage #1: 4,6-bis(methoxymethyl)-2-(3,4-diacetoxybenzoyloxy)acetophenone With potassium hydroxide In pyridine at 50℃; for 0.333333h; Stage #2: With acetic acid In pyridine; water for 0.5h; Stage #3: With hydrogenchloride In methanol Reflux; | 55% |
scolymoside
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
With sulfuric acid; water for 2h; Heating; | 50% |
5,7-dihydroxy-2-phenyl-chromen-4-one
A
5,7-dihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one
B
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
With Mucore ramannianus (ATCC 9628) In N,N-dimethyl-formamide for 336h; Microbiological reaction; | A 3% B 10.2% C 10.2% |
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
With water; hydrogen iodide; acetic anhydride |
Conditions | Yield |
---|---|
With pyridine hydrochloride at 170℃; for 2h; |
B
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
With formic acid In water at 100℃; for 3h; Product distribution; also enzymatic hydrolysis; |
luteolin 7-O-glucoside
A
D-Glucose
B
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
With hydrogenchloride | |
With sulfuric acid for 6h; |
luteolin 7-O-glucoside
A
β-D-glucose
B
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
Product distribution; Acid hydrolysis; |
luteolin-5-O-β-D-glucopyranoside
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
With malic acid at 60℃; other object of study: half-lives; other reagent : acetic acid, oxalic acid, HCl; other temperature; |
7-O-lactoyl-luteolin
A
LACTIC ACID
B
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
With hydrogenchloride In methanol at 100℃; for 7h; Product distribution; |
A
LACTIC ACID
B
D-Glucose
C
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
With hydrogenchloride at 100℃; for 7h; Product distribution; other time; reaction in the presence of catalyst; |
Conditions | Yield |
---|---|
With hydrogenchloride at 100℃; for 7h; Product distribution; other time; reaction in the presence of catalyst; |
(3',4'-dibenzyloxy-5,7-dimethoxymethyl)flavone
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
With hydrogenchloride In methanol | |
Multi-step reaction with 3 steps 1: 75 percent / HCl / ethanol; hexane / 1 h / Ambient temperature 2: 18percent HCl / ethanol / 0.5 h / Heating 3: 80 percent / H2 / Pd/C / dimethylformamide / Ambient temperature View Scheme |
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
With hydrogenchloride; hydrogen; boric acid; acetic acid; nickel 1.) dioxane-water, 2.) 2 h, reflux; Yield given. Multistep reaction; |
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
With hydrogen iodide |
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
With hydrogen iodide |
diosmetin
hydrogen iodide
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
2-(3,4-dimethoxy-phenyl)-7-hydroxy-5-methoxy-chromen-4-one
hydrogen iodide
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
3',4'-methylenedioxy-5,7-dimethoxyflavone
hydrogen iodide
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
hydrogen iodide
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
5,7-diethoxy-2-(3,4-diethoxy-phenyl)-chromen-4-one
hydrogen iodide
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
hydrogen iodide
chrysoeriol tri-O-acetate
acetic acid
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
chlorosulfuric acid 2,2,2-trichloroethyl ester
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
With dmap; triethylamine In tetrahydrofuran at 20℃; | 95% |
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol; water pH=9.2; Reflux; | 95% |
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
acetic anhydride
luteolin tetraacetate
Conditions | Yield |
---|---|
With pyridine Reflux; | 92% |
With sodium acetate | |
In pyridine Ambient temperature; | 49 mg |
TFE*OTf
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
C23H18Cl12O18S4
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 20℃; for 0.366667h; | 92% |
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol; water at 65℃; pH=9.2; | 92% |
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
diethyl chlorophosphate
C31H46O18P4
Conditions | Yield |
---|---|
With dmap; triethylamine In tetrahydrofuran at 20℃; for 24.5h; Inert atmosphere; Cooling with ice; | 91% |
With dmap; triethylamine In tetrahydrofuran at 70℃; for 3.5h; Cooling with ice; Inert atmosphere; |
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
dimethyl sulfate
2-(3,4-dimethoxyphenyl)-5,7-dimethoxy-4H-chromen-4-one
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 10h; Reflux; | 90.7% |
With potassium carbonate; acetone |
2,2,2-trichloroethoxysulfuryl 2-methyl-3-methylimidazolium triflate
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
C23H18Cl12O18S4
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 20℃; for 0.366667h; | 90% |
diazomethane
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
In methanol for 0.5h; Ambient temperature; | 88% |
Conditions | Yield |
---|---|
In ethanol; acetonitrile at 50℃; | 86.3% |
Conditions | Yield |
---|---|
With dmap; triethylamine In N,N-dimethyl-formamide at 20℃; for 4.5h; Cooling with ice; | 85% |
With dmap; triethylamine In N,N-dimethyl-formamide |
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
methyl iodide
2-(3,4-dimethoxyphenyl)-5,7-dimethoxy-4H-chromen-4-one
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide at 20℃; for 12h; | 84% |
Dichlorodiphenylmethane
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
2-(2,2-diphenyl-1,3-benzodioxol-5-yl)-5,7-dihydroxy-4H-1-benzopyran-4-one
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In 1,4-dioxane; 1-methyl-pyrrolidin-2-one at 180℃; for 1h; Inert atmosphere; Sealed tube; Microwave irradiation; | 83% |
In diphenylether at 165℃; for 2.5h; | 70% |
In diphenylether at 165℃; for 2.5h; | 70% |
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
A
C15H9O9S(1-)*K(1+)
B
C15H8O12S2(2-)*2K(1+)
Conditions | Yield |
---|---|
With potassium acetate; tetra(n-butyl)ammonium hydrogensulfate; dicyclohexyl-carbodiimide In pyridine at 4℃; for 72h; Yields of byproduct given; | A n/a B 78% |
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
Conditions | Yield |
---|---|
With boron trifluoride; [D3]phosphoric acid In water-d2 at 55℃; for 48h; deuteration; | 78% |
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
ethylene dibromide
2-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-5,7-dihydroxy-4H-chromen-4-one
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 70℃; for 0.5h; | 78% |
With potassium carbonate In dimethyl sulfoxide at 70℃; for 1h; | 32.4% |
With potassium carbonate In N,N-dimethyl-formamide at 70℃; for 0.5h; | 28.1% |
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol; water at 65℃; pH=9.2; | 78% |
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol at 50℃; pH=9.2; | 76% |
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
dimethyl sulfate
pilloin
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 1h; Reflux; | 73% |
With potassium carbonate In N,N-dimethyl-formamide at 60 - 65℃; for 3h; | 20.9% |
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol; water at 50℃; pH=9.2-9.3; | 72% |
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
benzyl bromide
7-(benzyloxy)-2-(3',4'-bis(benzyloxy)phenyl)-5-hydroxy-4H-chromen-4-one
Conditions | Yield |
---|---|
Stage #1: 2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 20℃; for 1h; Inert atmosphere; Stage #2: benzyl bromide In N,N-dimethyl-formamide at 80℃; for 10h; Inert atmosphere; | 71% |
With potassium carbonate In N,N-dimethyl-formamide at 0 - 20℃; | 56% |
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol at 50℃; pH=9.2; Sonication; | 70.1% |
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol at 50℃; pH=9.2; | 68% |
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 10h; Reflux; | 67.6% |
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