Cardiovascular System Cares Natural Puerria Lobata Extract Puerarin 98% Powder Professional Factory We has a complete production and operating system, with an annual output capacity of 2000 tons. It can produce variety of content and proportion of
Cas:3681-99-0
Min.Order:10 Kilogram
FOB Price: $239.0 / 253.0
Type:Manufacturers
inquiryHigh quality competitive price Kudzu root extract 40% Puerarin by HPLC What's the Kudzu Extract Powder Kudzu root has been known for centuries in traditional Chinese medicine as ge-gen. The first written mention of the plant as a medicine is
Cas:3681-99-0
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquiryHigh quality, good effectAppearance:fine powder Storage:cool, dry place Package:1kg/bag, 25kg/drum Application:health supplement Transportation:DHL,TNT,FEDEX,EMS, by air, by sea Port:seed, root,whole plant
Cas:3681-99-0
Min.Order:0
Negotiable
Type:Trading Company
inquiryRed Kwao Krua Extract Description: ********************************************************************************************** Description: Product name:
Cas:3681-99-0
Min.Order:1 Kilogram
FOB Price: $20.0
Type:Trading Company
inquiryDayangChem 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:3681-99-0
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryItems Standard Result Appearance White powder Complies Assay (Puerarin) 99%min
Cas:3681-99-0
Min.Order:1 Kilogram
FOB Price: $220.0 / 320.0
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:3681-99-0
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
inquiryType: Herbal Extract Variety: Pueraria Powder Form: Powder Part: HERB Extraction Type: Solvent Extraction Packaging: Drum, Vacuum Packed Place of Ori
Cas:3681-99-0
Min.Order:1 Kilogram
FOB Price: $270.0 / 300.0
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:3681-99-0
Min.Order:1 Metric Ton
FOB Price: $1.0 / 3.0
Type:Manufacturers
inquiryUnique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White to light yellow crystalline powder Storage:cool dry place Package:1kg/foil bag;25kg/drum Application:medicin
Cas:3681-99-0
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
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
Cas:3681-99-0
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiry1. 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:3681-99-0
Min.Order:1 Gram
FOB Price: $0.1
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
Our 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:Puerarin CAS NO:3681-99-0 Grade:Medical, scientific research and export Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data storage Security without vulnerability Product Technolo
Cas:3681-99-0
Min.Order:25 Kilogram
FOB Price: $1.0 / 2.0
Type:Other
inquiryPuerarin Basic information Product Name: Puerarin Synonyms: DAIDZEIN-8-C-GLUCOSIDE;8-GLUCOSYLDAIDZEIN;7-HYDROXY-3-[4-HYDROXYPHENYL]-1-BENZOPYRAN-4-ONE 8-[BETA-D-GLUCOPYRANOSIDE;7,4'-
Cas:3681-99-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryDensity: 1.614 ± 0.06 g/cm3 (Predicted) Melting point: 187-189 ° C Boiling point: 688.0 ± 55.0 ° C (Predicted) Flash point: 245.1 ° C Solubility in DMSO or DMF Slightly double in water or ethanol Steam pressure: 7.06E-20mmHg
Cas:3681-99-0
Min.Order:1 Kilogram
FOB Price: $15.0 / 50.0
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:3681-99-0
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryName: Pueraria Root Extract Synonyms: Kudzu Root extract CAS: 3681-99-0 MF: C21H20O9 Appearance:White powder Storage:Store in cool and dry place, away from sun light. Package:25kg/drum Application: APIs Transportation:By sea or by air Port:
Our 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 quality gua
Cas:3681-99-0
Min.Order:10 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:3681-99-0
Min.Order:1 Kilogram
FOB Price: $20.0 / 40.0
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:3681-99-0
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:3681-99-0
Min.Order:10 Gram
FOB Price: $3.5
Type:Trading Company
inquiryProduct Name:green coffee bean extract Latin Name:Semen Phaseoli Test Method:HPLC Specification:10%-70% Active ingredient:Chlorogenic acid Appearance:fine yellow brown powder Molecular formula:C16H18O9 Grade:Food and Pharm grade Ex
Cas:3681-99-0
Min.Order:1 Gram
FOB Price: $30.0 / 40.0
Type:Trading Company
inquiryBeluga chemical professional supply High quality Puerarin CAS 3681-99-0 1. Beluga Chemical has a professional RESEARCH and development team and strong technical force to ensure technical support and research capabilities. 2. Made in China and exp
Cas:3681-99-0
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:3681-99-0
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
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 s
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:3681-99-0
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquirypuerarin
Conditions | Yield |
---|---|
Stage #1: 7-hydroxy-4'-methoxy-8-C-(2,3,4,6-tetra-O-benzyl-β-D-glucocopyranosyl)isoflavone With boron tribromide In dichloromethane at -78℃; for 0.5h; Inert atmosphere; Stage #2: With methanol In dichloromethane at 0℃; for 0.0833333h; Inert atmosphere; | 95% |
6-[7-hydroxy-3-(4-hydroxy-phenyl)-4-oxo-4H-chromen-8-yl]-3,4,5-tris-trimethyl-silanyloxy-tetrahydro-pyran-2-carbaldehyde
puerarin
Conditions | Yield |
---|---|
Stage #1: 6-[7-hydroxy-3-(4-hydroxy-phenyl)-4-oxo-4H-chromen-8-yl]-3,4,5-tris-trimethyl-silanyloxy-tetrahydro-pyran-2-carbaldehyde With sodium tetrahydroborate In tetrahydrofuran; ethanol at 0℃; for 0.166667h; Stage #2: With hydrogenchloride In tetrahydrofuran; ethanol at 0 - 20℃; for 0.25h; Further stages.; | 75% |
4',7-di-O-benzyldaidzein 8-C-β-D-(2,3,4,6-tetra-O-benzylglucoside)
puerarin
Conditions | Yield |
---|---|
With boron tribromide In dichloromethane at -78 - 20℃; Inert atmosphere; | 71% |
Conditions | Yield |
---|---|
With trimethylsilyl iodide In acetonitrile for 120h; Heating; | A 35% B 39% |
Malonic acid mono-{(2R,3S,4R,5R,6S)-3,4,5-trihydroxy-6-[7-hydroxy-3-(4-hydroxy-phenyl)-4-oxo-4H-chromen-8-yl]-tetrahydro-pyran-2-ylmethyl} ester
puerarin
Conditions | Yield |
---|---|
With sodium hydroxide; water Ambient temperature; |
Acetic acid (2S,3S,4R,5R,6R)-4,5-diacetoxy-2-{2-acetoxy-6-methoxy-3-[(E)-3-(4-methoxy-phenyl)-acryloyl]-phenyl}-6-acetoxymethyl-tetrahydro-pyran-3-yl ester
puerarin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: Tl(NO3)3; trimethyl orthoformate / methanol 1.2: 84 percent / aq. HCl / methanol / Heating 2.1: 35 percent / Me3SiI / acetonitrile / 120 h / Heating View Scheme |
B
puerarin
Conditions | Yield |
---|---|
With hydrogenchloride; water In methanol for 1h; Reflux; |
puerarin
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: sodium dithionite; trifluoroacetic acid / 11 h / 20 °C 2.1: acetic acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone / water / 14 h / 20 °C 3.1: trichlorophosphate / 0.25 h / 10 °C 3.2: 6 h / 70 °C 4.1: boron tribromide / dichloromethane / 0.5 h / -78 °C / Inert atmosphere 4.2: 0.08 h / 0 °C / Inert atmosphere View Scheme |
puerarin
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: trimethylsilyl trifluoromethanesulfonate / dichloromethane / 12 h / 0 - 20 °C / Inert atmosphere; Molecular sieve 2.1: sodium dithionite; trifluoroacetic acid / 11 h / 20 °C 3.1: acetic acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone / water / 14 h / 20 °C 4.1: trichlorophosphate / 0.25 h / 10 °C 4.2: 6 h / 70 °C 5.1: boron tribromide / dichloromethane / 0.5 h / -78 °C / Inert atmosphere 5.2: 0.08 h / 0 °C / Inert atmosphere View Scheme |
2,3,4,6-tetra-O-benzyl-D-glucopyranosyl 1-(N-phenyl)-2,2,2-trifluoroacetimidate
puerarin
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: trimethylsilyl trifluoromethanesulfonate / dichloromethane / 12 h / 0 - 20 °C / Inert atmosphere; Molecular sieve 2.1: sodium dithionite; trifluoroacetic acid / 11 h / 20 °C 3.1: acetic acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone / water / 14 h / 20 °C 4.1: trichlorophosphate / 0.25 h / 10 °C 4.2: 6 h / 70 °C 5.1: boron tribromide / dichloromethane / 0.5 h / -78 °C / Inert atmosphere 5.2: 0.08 h / 0 °C / Inert atmosphere View Scheme |
puerarin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: acetic acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone / water / 14 h / 20 °C 2.1: trichlorophosphate / 0.25 h / 10 °C 2.2: 6 h / 70 °C 3.1: boron tribromide / dichloromethane / 0.5 h / -78 °C / Inert atmosphere 3.2: 0.08 h / 0 °C / Inert atmosphere View Scheme |
puerarin
Conditions | Yield |
---|---|
With hydrogen; palladium(II) hydroxide In methanol at 20℃; for 4h; | 95% |
6-bromo-hexanoic acid ethyl ester
puerarin
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 6h; Williamson synthesis; | 91.14% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 0 - 20℃; for 4h; | 91% |
puerarin
N-Trimethylsilylacetamide
7-hydroxy-3-(4-trimethylsilanyloxy-phenyl)-8-(3,4,5-tris-trimethylsilanyloxy-6-trimethylsilanyloxy-methyl-tetrahydro-pyran-2-yl)-chromen-4-one
Conditions | Yield |
---|---|
at 175℃; for 0.25h; | 86% |
Conditions | Yield |
---|---|
Stage #1: 1-iodo-1-propyne; puerarin With potassium carbonate In N,N-dimethyl-formamide at 0 - 20℃; for 4h; Stage #2: methyl iodide In N,N-dimethyl-formamide at 20℃; for 12h; | 85% |
puerarin
Conditions | Yield |
---|---|
With hydrazine hydrate In ethanol at 90℃; | 82% |
Conditions | Yield |
---|---|
With triethylamine In methanol; tetrachloromethane at 20℃; Atherton-Todd reaction; | 75% |
Conditions | Yield |
---|---|
With pyridine In chloroform at 0 - 28℃; for 22h; Temperature; | 72.4% |
Conditions | Yield |
---|---|
With zinc(II) chloride at 20℃; for 3h; | 70% |
With toluene-4-sulfonic acid In acetone at 0 - 20℃; | 48% |
Conditions | Yield |
---|---|
With pyridine; hydrogenchloride In methanol; water at 120℃; for 5h; Reagent/catalyst; | 70% |
Conditions | Yield |
---|---|
With potassium hydroxide In acetone for 72h; Williamson synthesis; Heating; | 69% |
Conditions | Yield |
---|---|
With potassium carbonate In acetone at 20℃; | 69% |
Conditions | Yield |
---|---|
With pyridine; hydrogenchloride In methanol; water at 80℃; for 6h; Reagent/catalyst; | 67% |
Conditions | Yield |
---|---|
With triethylamine In methanol; tetrachloromethane at 20℃; Atherton-Todd reaction; | 66.7% |
Conditions | Yield |
---|---|
With pyridine; hydrogenchloride In methanol; water at 100℃; for 8h; Reagent/catalyst; | 65% |
Conditions | Yield |
---|---|
With pyridine; hydrogenchloride In methanol; water at 60℃; for 4h; Reagent/catalyst; | 65% |
puerarin
Conditions | Yield |
---|---|
Stage #1: puerarin With [D]-sodium hydroxide; platinum on activated charcoal; water-d2 at 130℃; for 8h; Inert atmosphere; Stage #2: With formic acid at 130℃; for 1h; Inert atmosphere; | 65% |
Conditions | Yield |
---|---|
With dmap In dichloromethane for 24h; Reflux; | 63.3% |
Conditions | Yield |
---|---|
With potassium carbonate In acetone at 20℃; | 63% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In dichloromethane at 10℃; for 24h; | 62% |
Conditions | Yield |
---|---|
With triethylamine In methanol; tetrachloromethane at 20℃; Atherton-Todd reaction; | 61.7% |
O-[(α-D-mannopyranosyl)-(1->6)-(α-D-mannopyranosyl)-(1->3)-β-D-mannopyranosyl]-(1->4)-(1,2-dideoxy-α-D-glucopyrano)-[2,1-d]-2-methyloxazoline
puerarin
C47H63NO29
Conditions | Yield |
---|---|
With endo-β-N-acetylglucosaminidase from Arthrobactor protophormiae In dimethyl sulfoxide at 23℃; for 2h; pH=7.0; aq. phosphate buffer; Enzymatic reaction; | 60% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In acetone at 0 - 20℃; | 59% |
Conditions | Yield |
---|---|
With triethylamine In methanol; tetrachloromethane at 20℃; Atherton-Todd reaction; | 58.3% |
Conditions | Yield |
---|---|
With pyridine; hydrogenchloride In methanol; water at 80℃; for 8h; Reagent/catalyst; | 56% |
Conditions | Yield |
---|---|
With triethylamine In methanol; tetrachloromethane at 20℃; Atherton-Todd reaction; | 53.3% |
Conditions | Yield |
---|---|
With potassium carbonate In acetone at 20℃; | 53% |
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