Our advantage Free sample and unconditional assume respons 100% natural porduct, without any synthetize ingredient Manufacturer direct supply, provide OEM, R&D service ISO/HACCP/KOSHER/GMP/FDA L
1.Free sample(10-20g or enough to detection) and Unconditional assume respons 2.100% Natural porduct, without any synthetize ingredient 3.Manufacturer direct supply, provide OEM, R&D service 4.ISO/HACCP/KOSHER/GMP/FDA 5.Leading plant ex
Cas:480-19-3
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryDayangchem'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:480-19-3
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryMore than 20 years experience in Phytochemicals Each product has passed very strict tests (NMR\MS\HPLC) Agents in 13 countries Certified by ISO 9001:2015 quality management system Leader Supplier of Botanical Reference Materials in China 30
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:480-19-3
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
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:480-19-3
Min.Order:1 Kilogram
FOB Price: $1.0
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
Cas:480-19-3
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryOur company was built in 2009 with an ISO certificate.In the past 6 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
Cas:480-19-3
Min.Order:1 Metric Ton
FOB Price: $500.0
Type:Lab/Research institutions
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:480-19-3
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
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:480-19-3
Min.Order:10 Kilogram
Negotiable
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:480-19-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryIsorhamnetin CAS 480-19-3 is a flavonoid and a powerful antioxidant that can scavenge oxygen free radicals to avoid cell and tissue damage caused by aging. Isorhamnetin is a flavonoid isolated and purified from ginkgo, seabuckthorn and other medicina
Cas:480-19-3
Min.Order:1 Gram
FOB Price: $16.0 / 160.0
Type:Trading Company
inquiryIsorhamnetin CAS:480-19-3 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 organic intermediates,
Cas:480-19-3
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
1.high quality: quality is life. quality is the most important element for all goods. we have a lab doing research in wuhan china. hplc and nmr is available if needed. 2.reasonable price: we provide high quality products with competitive pric
Cas:480-19-3
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryAbout Product Details
Cas:480-19-3
Min.Order:500 Kilogram
FOB Price: $1.0 / 2.0
Type:Lab/Research institutions
inquiryAppearance:Beige to lighet yellow powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:FOR RESEARCH USE ONLY Transportation:Common products:Sea/Air/Courier Dang
Cas:480-19-3
Min.Order:100 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryChengdu Biopurify Phytochemicals 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 Medic
J&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
Packing: 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 Transportation:Express/Sea/Air Port:Ningbo/Shanghai/Qingd
Why Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu
Zibo 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:480-19-3
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:480-19-3
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiry1)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 etc. 3) oem/odm available; 4) rea
Cas:480-19-3
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryOur Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:480-19-3
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryHangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu
Shandong Mopai Biotechnology 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 chemicals. W
1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
Cas:480-19-3
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiry4.2'.4'.6'-tetrahydroxy-3-methoxy-trans-chalcone
isorhamnetin
Conditions | Yield |
---|---|
With potassium hydrogensulfate; sodium hydrogencarbonate; sodium carbonate In dichloromethane; water; acetone at 20℃; for 42h; pH=9; | 96.7% |
isorhamnetin
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In ethyl acetate at 20℃; for 4h; | 92% |
With palladium 10% on activated carbon; hydrogen In tetrahydrofuran; ethanol at 25℃; for 8h; | 90% |
With palladium 10% on activated carbon; hydrogen In ethanol at 25℃; | 90% |
With hydrogen; palladium dihydroxide In tetrahydrofuran; ethanol for 6h; | 85% |
7-(benzyloxy)-2-(4-(benzyloxy)-3-methoxyphenyl)- 3,5-dihydroxy-4H-chromen-4-one
isorhamnetin
Conditions | Yield |
---|---|
With 20% palladium hydroxide-activated charcoal In ethanol; cyclohexene for 1h; Inert atmosphere; Reflux; | 92% |
With 10% palladium on activated carbon; hydrogen In ethanol at 20℃; for 5h; | 90% |
isorhamnetin-3-O-glucoside
A
D-Glucose
B
isorhamnetin
Conditions | Yield |
---|---|
With hydrogen cation | A n/a B 63% |
With acid hydrolysis |
isorhamnetin
Conditions | Yield |
---|---|
With potassium pyrosulfite In ethanol at 100℃; for 5h; | 55% |
Conditions | Yield |
---|---|
With sulfuric acid; water In ethanol | A n/a B n/a C 42% |
With hydrogenchloride In water at 100℃; | |
With hydrogenchloride; water at 100℃; for 2h; |
Conditions | Yield |
---|---|
Stage #1: 2'-hydroxy-4',6'-bis(methoxymethoxy)acetophenone; vanillin With pyrrolidine; oxygen In water under 760.051 Torr; Stage #2: With hydrogenchloride In methanol; water | 41% |
quercetol
S-adenosyl-L-methionine
isorhamnetin
Conditions | Yield |
---|---|
With sodium azide; T133M and Y326R mutant of isoeugenol phenylpropanoid O-methyltransferase from Clarkia breweri In aq. buffer at 30℃; for 240h; pH=7.5; Reagent/catalyst; Enzymatic reaction; regioselective reaction; | 6.8% |
With DL-dithiothreitol; recombinant Plagiochasma appendiculatum flavone 6-O-methyltransferase; magnesium chloride In aq. buffer at 37℃; for 0.5h; pH=7.5; Enzymatic reaction; | |
With Citrus reticulata O-methyltransferase gene-pET32a recombinant In aq. buffer at 37℃; for 2h; pH=8; Kinetics; Enzymatic reaction; |
2-benzoyloxy-1-(2,4,6-trihydroxy-phenyl)-ethanone
isorhamnetin
Conditions | Yield |
---|---|
With triethylamine at 160℃; Erwaermen des Reaktionsprodukts mit wss.-aethanol. Kalilauge; |
3,5,7,4′-tetrahydroxy-8,3′-dimethoxyflavone-3-O-β-D-glucopyranoside
isorhamnetin
Conditions | Yield |
---|---|
With hydrogen cation In water |
Conditions | Yield |
---|---|
With hydrogenchloride for 4h; |
quercetol
A
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-3-methoxy-chromen-4-on
B
tamarixetin
C
5-O-methylquercetin
D
isorhamnetin
E
rhamnetin
Conditions | Yield |
---|---|
With O-methyl transferase from cell-free extract of Citrus mitis; <(14)CH3>-S-adenosyl-L-methionine; 2-hydroxyethanethiol In water; dimethyl sulfoxide at 35℃; for 0.5h; Product distribution; pH 7.5 buffer; |
quercetin 3'-O-methyl ether 3-O-α-L-rhamnopyranosyl-(1'''→6")-β-D-galactopyranoside
A
D-Galactose
B
L-rhamnose
C
isorhamnetin
Conditions | Yield |
---|---|
With oxonium Product distribution; |
3-<6-O-(6-deoxy-α-L-mannopyranosyl)-β-D-glucopyranosyl>oxy-5-hydroxy-7-<β-L-mannopyranosyl>oxy-2-(4-hydroxy-3-methoxyphenyl)-4H-1-benzo-pyran-4-one
isorhamnetin
Conditions | Yield |
---|---|
With sulfuric acid at 90℃; for 0.5h; | 11 mg |
isorhamnetin
Conditions | Yield |
---|---|
With hydrogenchloride In methanol |
Conditions | Yield |
---|---|
With sulfuric acid In water for 0.5h; Heating; |
2-benzoyloxy-1-(2,4,6-trihydroxy-phenyl)-ethanone
isorhamnetin
Conditions | Yield |
---|---|
With sodium-<4-benzoyloxy-3-methoxy benzoate> at 180 - 185℃; Kochen des Reaktionsprodukts mit waessrig-alkoholischer Kalilauge; |
isorhamnetin
Conditions | Yield |
---|---|
With hydrogenchloride |
Conditions | Yield |
---|---|
With hydrogenchloride at 100℃; for 1h; |
Conditions | Yield |
---|---|
With sulfuric acid In methanol for 3h; Heating; | 220 mg |
isorhamnetin-3-O-glucoside
isorhamnetin
Conditions | Yield |
---|---|
Acid hydrolysis; |
isorhamnetin
Conditions | Yield |
---|---|
Acid hydrolysis; | |
With hydrogenchloride at 100℃; for 1h; |
B
isorhamnetin
Conditions | Yield |
---|---|
With McIlvaine buffer; flavonol-3-O-β-heterodisaccharide glycosidase at 30℃; for 0.25h; pH=5.0; Enzyme kinetics; |
Conditions | Yield |
---|---|
With DL-dithiothreitol; HCl buffer; 2-amino-2-hydroxymethyl-1,3-propanediol at 37℃; for 1h; pH=7.5; Enzyme kinetics; Enzymatic reaction; | |
With DL-dithiothreitol; HCl buffer; 2-amino-2-hydroxymethyl-1,3-propanediol at 37℃; for 1h; pH=7.5; Enzymatic reaction; |
3,7-bis(benzyloxy)-2-[4-(benzyloxy)-3-hydroxyphenyl]-5-hydroxy-4H-1-benzopyran-4-one
isorhamnetin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 90 percent / K2CO3 / dimethylformamide 2: 85 percent / H2 / 10 percent Pd(OH)2 / ethanol; tetrahydrofuran / 6 h View Scheme | |
Multi-step reaction with 2 steps 1: potassium carbonate / N,N-dimethyl-formamide / 12 h / 25 °C / Inert atmosphere 2: palladium 10% on activated carbon; hydrogen / tetrahydrofuran; ethanol / 8 h / 25 °C View Scheme | |
Multi-step reaction with 2 steps 1: potassium carbonate / N,N-dimethyl-formamide / 25 °C 2: palladium 10% on activated carbon; hydrogen / ethanol / 25 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: potassium carbonate / N,N-dimethyl-formamide / 0.08 h / 0 °C / Inert atmosphere 1.2: 15 h / 20 °C / Inert atmosphere 2.1: hydrogen; palladium 10% on activated carbon / ethyl acetate / 4 h / 20 °C View Scheme |
3-methoxy-4-acetoxybenzoyl chloride
isorhamnetin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: pyridine; H2O 2: triethylamine / 160 °C / Erwaermen des Reaktionsprodukts mit wss.-aethanol. Kalilauge View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: diethyl ether; hydrogen chloride / Kochen des Reaktionsprodukts mit Alkohol 2: sodium salt of/the/ O-benzoyl-vanillic acid / 180 - 185 °C / Kochen des Reaktionsprodukts mit waessrig-alkoholischer Kalilauge View Scheme |
isorhamnetin
Conditions | Yield |
---|---|
With hydrogenchloride; water In methanol for 4h; Reflux; |
isorhamnetin 7-O-β-D-glucopyranoside
A
D-glucose
B
isorhamnetin
Conditions | Yield |
---|---|
With water Acidic conditions; |
uridine 5'-diphospho-D-galactose
isorhamnetin
isorhamnetin 3-β-D-galactopyranoside
Conditions | Yield |
---|---|
With 3-O-glycosyltransferase from Scutellaria baicalensis In dimethyl sulfoxide at 45℃; for 4h; pH=9; Enzymatic reaction; regiospecific reaction; | 83% |
isorhamnetin
uridine 5'-diphospho-N-acetylglucosamine
Conditions | Yield |
---|---|
With 3-O-glycosyltransferase from Scutellaria baicalensis In dimethyl sulfoxide at 45℃; for 4h; pH=9; Enzymatic reaction; regiospecific reaction; | 75% |
isorhamnetin
Conditions | Yield |
---|---|
Stage #1: isorhamnetin With [D]-sodium hydroxide; platinum on activated charcoal; water-d2 at 130℃; for 9h; Inert atmosphere; Stage #2: With formic acid at 130℃; for 1h; Inert atmosphere; | 75% |
UDP-glucose
isorhamnetin
isorhamnetin-3-O-glucoside
Conditions | Yield |
---|---|
With UDP glucose:flavonol glucosyltransferase enzyme preparation from Norway spruce needles In water for 0.75h; pH 8.0 bicine buffer; | |
With Populus deltoids Marsh PGT-3 at 37℃; for 0.5h; pH=7.5; Kinetics; Reagent/catalyst; aq. phosphate buffer; Enzymatic reaction; regioselective reaction; |
Conditions | Yield |
---|---|
beim Schmelzen; |
isorhamnetin
Conditions | Yield |
---|---|
Acetylieren; |
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