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
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:527-95-7
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,
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:527-95-7
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
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:527-95-7
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:527-95-7
Min.Order:10 Gram
FOB Price: $3.5
Type:Trading Company
inquiryHerbacetin CAS:527-95-7 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 intermediates, s
Cas:527-95-7
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
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:527-95-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
Chengdu 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
1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie
Cas:527-95-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
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
Product Name: Herbacetin Synonyms: 3,5,7,8-Tetrahydroxy-2-(4-hydroxyphenyl)-4H-chromen-4-one;Herbacetin, 98%, from Rhodiola rosea L.;3,5,7,8-tetrahydroxy-2-(4-hydroxyphenyl)-1-benzopyran-4-one;3,4',5,7,8-Pentahydroxyflavone;HERBACETIN(P)(PLEAS
Cas:527-95-7
Min.Order:1 Kilogram
FOB Price: $230.0
Type:Lab/Research institutions
inquiryHubei CuiRan Biotechnology Co., 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 Medicine)
Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
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
SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe
Hangzhou Dingyan Chem 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 quality in yo
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 method
Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
Cas:527-95-7
Min.Order:0
Negotiable
Type:Other
inquiry1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re
Why is SINOWAY:1) Specialized in pharmaceutical and healthcare industrial since 19872) 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 . Application:Herbal extr
Cas:527-95-7
Min.Order:0
Negotiable
Type:Trading Company
inquiryAcmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
Cas:527-95-7
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiryhigh quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
herbacetin
Conditions | Yield |
---|---|
With boron trichloride In dichloromethane at 0℃; for 1h; Inert atmosphere; | 95% |
With boron trichloride In dichloromethane at 15 - 25℃; for 2h; Inert atmosphere; Cooling with ice; | 93% |
With boron trichloride In dichloromethane at 20℃; for 2h; Inert atmosphere; Cooling with ice; | 93% |
herbacetin
Conditions | Yield |
---|---|
With sulfuric acid In methanol at 60℃; for 2h; | 76% |
herbacetin
Conditions | Yield |
---|---|
With sulfuric acid In methanol at 60℃; for 2h; | 76% |
A
herbacetin
Conditions | Yield |
---|---|
With hydrogenchloride In ethanol at 70℃; for 1h; | A n/a B 50% |
7-hydroxy-3,4',5,8-tetramethoxyflavone
herbacetin
Conditions | Yield |
---|---|
With hydrogen iodide Erwaermen des erhaltenen Jodids; |
3-hydroxy-5,7,8-trimethoxy-2-(4-methoxy-phenyl)-chromen-4-one
herbacetin
Conditions | Yield |
---|---|
With hydrogen iodide; acetic anhydride |
Conditions | Yield |
---|---|
With hydrogen iodide; acetic anhydride |
Litvinolin
herbacetin
Conditions | Yield |
---|---|
With hydrogenchloride In water Further byproducts given; |
herbacetin 8-(3''-O-acetylxyloside)
herbacetin
Conditions | Yield |
---|---|
With hydrogenchloride In water Further byproducts given; |
herbacetin 8-(3''-O-acetylxyloside)
A
D-Xylose
B
herbacetin
Conditions | Yield |
---|---|
With hydrogen cation |
herbacetin 8-O-β-D-xylopyranoside 4'-O-β-D-xylopyranoside
herbacetin
Conditions | Yield |
---|---|
With hydrogenchloride In water Further byproducts given; |
rhodolide
herbacetin
Conditions | Yield |
---|---|
With hydrogenchloride In water Further byproducts given; |
Conditions | Yield |
---|---|
With hydrogenchloride In water |
herbacetin 7-O-β-D-glucopyranoside
herbacetin
Conditions | Yield |
---|---|
With hydrogenchloride In water at 100℃; for 2h; |
Conditions | Yield |
---|---|
With water |
herbacetin
Conditions | Yield |
---|---|
With hydrogenchloride at 100℃; for 2h; |
herbacetin
Conditions | Yield |
---|---|
With sulfuric acid |
2,4-dihydroxy-ω,3,6-trimethoxyacetophenone
herbacetin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium-<4-methoxy benzoate> / 180 °C / unter vermindertem Druck und Erwaermen des Reaktionsprodukts mit wss.-aethanol. Kalilauge 2: aqueous hydriodic acid / Erwaermen des erhaltenen Jodids View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium-<4-methoxy benzoate> / 180 °C / unter vermindertem Druck und Erwaermen des Reaktionsprodukts mit wss.-aethanol. Kalilauge 2: aqueous hydriodic acid / Erwaermen des erhaltenen Jodids View Scheme |
Conditions | Yield |
---|---|
With hydrogenchloride; water Heating; |
herbacetin 3-O-β-D-glucopyranosyl-7-O-α-L-rhamnopyranoside
A
L-Rhamnose
B
D-glucose
C
herbacetin
Conditions | Yield |
---|---|
With hydrogenchloride; water for 3h; Reflux; |
1-[2,4-bis(benzyloxy)-6-hydroxyphenyl]ethanone
herbacetin
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1.1: sodium hydride / N,N-dimethyl-formamide / 0.33 h / 0 °C 1.2: 10.5 h / 2 - 20 °C 2.1: iodine; dimethyl sulfoxide / 110 °C 3.1: iodine; silver trifluoromethanesulfonate / dichloromethane / 2 h / 0 °C 4.1: palladium diacetate; tris-(o-tolyl)phosphine / tetrahydrofuran / 5 h / 5 - 60 °C / Inert atmosphere 5.1: oxone; sodium hydrogencarbonate; sodium carbonate; acetone / dichloromethane; water / 29 h / 0 °C / pH 9 6.1: toluene-4-sulfonic acid / dichloromethane / 0.5 h / 20 °C 7.1: boron trichloride / dichloromethane / 1 h / 0 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1.1: sodium hydride / N,N-dimethyl-formamide / 0.33 h / 0 °C 1.2: 10.5 h / 2 - 20 °C 2.1: iodine; dimethyl sulfoxide / 110 °C 3.1: iodine; silver trifluoromethanesulfonate / dichloromethane / 2 h / 0 °C 4.1: palladium diacetate; tris-(o-tolyl)phosphine / tetrahydrofuran / 5 h / 5 - 60 °C / Inert atmosphere 5.1: oxone; sodium hydrogencarbonate; sodium carbonate; acetone / dichloromethane; water / 29 h / 0 °C / pH 9 6.1: toluene-4-sulfonic acid / dichloromethane / 0.5 h / 20 °C 7.1: boron trichloride / dichloromethane / 1 h / 0 °C / Inert atmosphere View Scheme |
(E)-1-(2,4-bis(benzyloxy)-6-hydroxyphenyl)-3-(4-(benzyloxy)phenyl)prop-2-en-1-one
herbacetin
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: iodine; dimethyl sulfoxide / 110 °C 2: iodine; silver trifluoromethanesulfonate / dichloromethane / 2 h / 0 °C 3: palladium diacetate; tris-(o-tolyl)phosphine / tetrahydrofuran / 5 h / 5 - 60 °C / Inert atmosphere 4: oxone; sodium hydrogencarbonate; sodium carbonate; acetone / dichloromethane; water / 29 h / 0 °C / pH 9 5: toluene-4-sulfonic acid / dichloromethane / 0.5 h / 20 °C 6: boron trichloride / dichloromethane / 1 h / 0 °C / Inert atmosphere View Scheme |
5,7-bis(benzyloxy)-2-(4-(benzyloxy)phenyl)-4H-chromen-4-one
herbacetin
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: iodine; silver trifluoromethanesulfonate / dichloromethane / 2 h / 0 °C 2: palladium diacetate; tris-(o-tolyl)phosphine / tetrahydrofuran / 5 h / 5 - 60 °C / Inert atmosphere 3: oxone; sodium hydrogencarbonate; sodium carbonate; acetone / dichloromethane; water / 29 h / 0 °C / pH 9 4: toluene-4-sulfonic acid / dichloromethane / 0.5 h / 20 °C 5: boron trichloride / dichloromethane / 1 h / 0 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 4 steps 1: silver trifluoromethanesulfonate; iodine / dichloromethane / 2 h / 0 °C 2: triethylamine; palladium diacetate; tris-(o-tolyl)phosphine / tetrahydrofuran / 3 h / 60 °C / Inert atmosphere 3: sodium carbonate; sodium hydrogencarbonate; Oxone / dichloromethane; acetone / 0 - 25 °C 4: boron trichloride / dichloromethane / 2 h / 15 - 25 °C / Inert atmosphere; Cooling with ice View Scheme | |
Multi-step reaction with 4 steps 1: silver trifluoromethanesulfonate; iodine / dichloromethane / 2 h / 0 °C 2: triethylamine; palladium diacetate; tris-(o-tolyl)phosphine / tetrahydrofuran / 3 h / 60 °C / Inert atmosphere 3: Oxone / dichloromethane; acetone / 0 - 20 °C 4: boron trichloride / dichloromethane / 2 h / 20 °C / Inert atmosphere; Cooling with ice View Scheme |
5,7-bis(benzyloxy)-2-(4-(benzyloxy)phenyl)-8-iodo-4H-chromen-4-one
herbacetin
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: palladium diacetate; tris-(o-tolyl)phosphine / tetrahydrofuran / 5 h / 5 - 60 °C / Inert atmosphere 2: oxone; sodium hydrogencarbonate; sodium carbonate; acetone / dichloromethane; water / 29 h / 0 °C / pH 9 3: toluene-4-sulfonic acid / dichloromethane / 0.5 h / 20 °C 4: boron trichloride / dichloromethane / 1 h / 0 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 3 steps 1: triethylamine; palladium diacetate; tris-(o-tolyl)phosphine / tetrahydrofuran / 3 h / 60 °C / Inert atmosphere 2: sodium carbonate; sodium hydrogencarbonate; Oxone / dichloromethane; acetone / 0 - 25 °C 3: boron trichloride / dichloromethane / 2 h / 15 - 25 °C / Inert atmosphere; Cooling with ice View Scheme | |
Multi-step reaction with 3 steps 1: triethylamine; palladium diacetate; tris-(o-tolyl)phosphine / tetrahydrofuran / 3 h / 60 °C / Inert atmosphere 2: Oxone / dichloromethane; acetone / 0 - 20 °C 3: boron trichloride / dichloromethane / 2 h / 20 °C / Inert atmosphere; Cooling with ice View Scheme |
herbacetin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: oxone; sodium hydrogencarbonate; sodium carbonate; acetone / dichloromethane; water / 29 h / 0 °C / pH 9 2: toluene-4-sulfonic acid / dichloromethane / 0.5 h / 20 °C 3: boron trichloride / dichloromethane / 1 h / 0 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1: sodium carbonate; sodium hydrogencarbonate; Oxone / dichloromethane; acetone / 0 - 25 °C 2: boron trichloride / dichloromethane / 2 h / 15 - 25 °C / Inert atmosphere; Cooling with ice View Scheme |
herbacetin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: toluene-4-sulfonic acid / dichloromethane / 0.5 h / 20 °C 2: boron trichloride / dichloromethane / 1 h / 0 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
With hydrogenchloride In water at 100℃; for 2h; |
Conditions | Yield |
---|---|
horseradish peroxidase; |
Conditions | Yield |
---|---|
horseradish peroxidase; |
Conditions | Yield |
---|---|
horseradish peroxidase; |
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