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:529-53-3
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:529-53-3
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryHenan Tianfu Chemical Co., Ltd. is located in Zhengzhou High-tech Development Zone with import and export license. We passed ISO 9001:2008 in 2009, and won "High-tech Enterprise" by provincial government in 2013.The objective of the com
Cas:529-53-3
Min.Order:1 Gram
FOB Price: $1000.0
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:529-53-3
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:529-53-3
Min.Order:1 Kilogram
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
Henan 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
Cas:529-53-3
Min.Order:0
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
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
The 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
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
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,
Hubei 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)
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:529-53-3
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
inquiryWe are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
Cas:529-53-3
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryThe 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
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
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:529-53-3
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:529-53-3
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
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
ADVANTAGE: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 day2. The products are provided with COA, HPLC, NMR, quality assurance, pac
Our own factory produces direct sales with absolute price advantage Application:Pharmaceutical industry Transportation:By sea Port:Shanghai/tianjin
Cas:529-53-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:intermediate
We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:off-white powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as prima
Supply top quality products with a reasonable price Application:api
Scutellarein cas 529-53-3Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Best quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
5-hydroxy-4',6,7-trimethoxyflavone
scutellarein
Conditions | Yield |
---|---|
With hydrogen bromide; acetic acid In water | 97% |
scutellarein 7-O-β-D-glucuronopyranoside methyl ester
scutellarein
Conditions | Yield |
---|---|
With sulfuric acid In ethanol; water at 95℃; for 7h; Temperature; Time; Inert atmosphere; | 96% |
With hydrogenchloride In ethanol at 90℃; for 12h; Reagent/catalyst; Temperature; Inert atmosphere; | 92.1% |
Conditions | Yield |
---|---|
With hydrogen bromide; acetic acid at 125℃; for 22h; Temperature; Inert atmosphere; | 94% |
With hydrogen bromide; acetic acid at 120℃; for 24h; Inert atmosphere; | 90% |
With hydrogen iodide |
scutellarin
scutellarein
Conditions | Yield |
---|---|
With sulfuric acid; water at 20℃; for 0.166667h; Concentration; | 93% |
With sulfuric acid In ethanol; water at 120℃; for 48h; Inert atmosphere; | 85% |
With sulfuric acid In water at 90℃; for 20h; | 45% |
Conditions | Yield |
---|---|
With methanol; sulfuric acid for 23h; Reagent/catalyst; Solvent; Temperature; Reflux; | 92.3% |
Conditions | Yield |
---|---|
With pyridine hydrochloride at 190 - 200℃; Cooling with ice; Inert atmosphere; | 86% |
With pyridine hydrochloride at 180℃; for 6h; Inert atmosphere; | 2.6 g |
Conditions | Yield |
---|---|
With hydrogen bromide; acetic acid for 23h; Heating; | 82% |
7-hydroxy-5,8-dimethoxy-2-(4-methoxyphenyl)-4H-chromen-4-one
scutellarein
Conditions | Yield |
---|---|
With hydrogen iodide |
Conditions | Yield |
---|---|
With hydrogen iodide; acetic anhydride |
Conditions | Yield |
---|---|
With pyridine hydrochloride for 3h; |
Conditions | Yield |
---|---|
With hydrogenchloride for 2h; | |
With hydrogenchloride In methanol for 3h; Heating; |
isoscutellarein
scutellarein
Conditions | Yield |
---|---|
With hydrogenchloride In methanol; water at 100℃; for 4h; |
scutellarein
Conditions | Yield |
---|---|
With hydrogen iodide |
scutellarein
Conditions | Yield |
---|---|
With sulfuric acid |
1-(4-methoxy-phenyl)-3-(2,3,4,6-tetramethoxy-phenyl)-propane-1,3-dione
hydrogen iodide
scutellarein
1-(4-methoxy-phenyl)-3-(2,3,4,6-tetramethoxy-phenyl)-propane-1,3-dione
hydrogen iodide
A
scutellarein
B
isoscutellarein
Conditions | Yield |
---|---|
at 135℃; |
scutellarein
Conditions | Yield |
---|---|
With 4b-glucuronidase at 37℃; for 2h; pH=5.2; |
plantaginin
scutellarein
Conditions | Yield |
---|---|
Acid hydrolysis; | |
With water Acidic conditions; |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: K2CO3 / acetone / 0.17 h / 20 °C 1.2: 45 percent / acetone / 24 h / Heating 2.1: ZnCl2; AcOH / 2 h / 140 - 150 °C 3.1: 84 mg / aq. NaOH; aq. H2O2 / 3 h / cooling 4.1: 82 percent / aq. HBr; acetic acid / 23 h / Heating View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: ZnCl2; AcOH / 2 h / 140 - 150 °C 2: 84 mg / aq. NaOH; aq. H2O2 / 3 h / cooling 3: 82 percent / aq. HBr; acetic acid / 23 h / Heating View Scheme |
pectolinarigenin
scutellarein
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 84 mg / aq. NaOH; aq. H2O2 / 3 h / cooling 2: 82 percent / aq. HBr; acetic acid / 23 h / Heating View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: K2CO3 / acetone / 0.17 h / 20 °C 1.2: 45 percent / acetone / 24 h / Heating 2.1: ZnCl2; AcOH / 2 h / 140 - 150 °C 3.1: 84 mg / aq. NaOH; aq. H2O2 / 3 h / cooling 4.1: 82 percent / aq. HBr; acetic acid / 23 h / Heating View Scheme | |
Multi-step reaction with 3 steps 1: sodium hydroxide / water / 5 h / 0 - 25 °C / pH 10 - 11 2: 12 h / 140 - 160 °C / 600.06 - 675.07 Torr 3: hydrogen bromide; L-valine / 32 h / 124 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: potassium-<4-methoxy benzoate> 2: aqueous hydriodic acid View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: potassium-<4-methoxy benzoate> 2: aqueous hydriodic acid View Scheme |
1-(6-hydroxy-2,3,4-trimethoxy-phenyl)-3-(4-methoxy-phenyl)-propane-1,3-dione
scutellarein
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetic acid; sodium acetate 2: acetic acid anhydride; aqueous hydriodic acid View Scheme |
Conditions | Yield |
---|---|
With hydrogenchloride; water for 0.666667h; Reflux; |
scutellarein
benzyl bromide
7-(benzyloxy)-2-(4-(benzyloxy)phenyl)-5,6-dihydroxy-4H-chromen-4-one
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 12h; Inert atmosphere; | 93% |
With potassium carbonate In acetone for 6h; Solvent; Time; Temperature; Reflux; | 53.8% |
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