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:489-35-0
Min.Order:1 Gram
FOB Price: $0.1
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
Henan 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:489-35-0
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:489-35-0
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:489-35-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryGOSSYPETIN CAS:489-35-0 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:489-35-0
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
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
Appearance:off-white to white solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for Synthesis API and Research Transportation:As customer request Port:Qingda
Cas:489-35-0
Min.Order:1 Kilogram
FOB Price: $16.0 / 20.0
Type:Lab/Research institutions
inquirysuperior quality Appearance:powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Used as Pharmaceutical Intermediates Transportation:as per your
Cas:489-35-0
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryJ&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
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:489-35-0
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryfactory?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:489-35-0
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryShandong 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
Cas:489-35-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.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:489-35-0
Min.Order:1 Metric Ton
FOB Price: $1.5
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:489-35-0
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiry1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification
Cas:489-35-0
Min.Order:0
Negotiable
Type:Trading Company
inquiryLower 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
Cas:489-35-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:489-35-0
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
BOC Sciences provides a wide range of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecule and chiral compounds. https:
GOSSYPETINAppearance:detailed see specifications Storage:Keep away of light, cool place Package:25kg/drum;200kg/drum Application:Used in Synthesis, Pharmaceuticals and other fields Transportation:Sea/air/courier
TIANFU-CHEM - GOSSYPETIN Application:TIANFU-CHEM - GOSSYPETIN
4H-1-Benzopyran-4-one,2-(3,4-dihydroxyphenyl)-3,5,7,8-tetrahydroxy-Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express
Cas:489-35-0
Min.Order:0
Negotiable
Type:Other
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
1. Timely and efficient service to ensure communication with customers2. Produce products of different specifications and sizes according to your requirements.3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures sta
TIANFU-CHEM - GOSSYPETINAppearance:Solid Storage:In Room Temperature Package:IN 25kg drums Application:Organic synthesis Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(airport to airport) or by sea LCL/FCL
2-(3,4-dimethoxy-phenyl)-3-hydroxy-5,7,8-trimethoxy-chromen-4-one
gossypetin
Conditions | Yield |
---|---|
With hydrogen iodide; acetic anhydride |
gossypetin
Conditions | Yield |
---|---|
With hydrogenchloride at 100℃; |
gossypetin
Conditions | Yield |
---|---|
With hydrogen iodide |
Conditions | Yield |
---|---|
With hydrogen iodide; phenol at 145℃; for 0.5h; | 4 mg |
gossypetin
Conditions | Yield |
---|---|
With hydrogen bromide for 0.5h; Heating; | 5 mg |
Conditions | Yield |
---|---|
With NADPH; flavin adenine dinucleotide In phosphate buffer at 30℃; for 0.25h; pH=7.0; Enzyme kinetics; Further Variations:; Reagents; pH-values; Temperatures; |
gossypetin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: β-glucosidase; acetate buffer / 24 h / 37 °C / pH 5.2 2: 4 mg / HI; phenol / 0.5 h / 145 °C View Scheme |
Conditions | Yield |
---|---|
With hydrogenchloride; water for 3h; Reflux; |
gossypetin
Conditions | Yield |
---|---|
With hydrogenchloride; water at 100℃; for 4h; |
gossypetin
Conditions | Yield |
---|---|
With hydrogenchloride; water at 100℃; for 4h; |
gossypetin
Conditions | Yield |
---|---|
With hydrogenchloride; water at 100℃; for 4h; |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In tetrahydrofuran; water at 20℃; for 12h; | 70% |
Conditions | Yield |
---|---|
With potassium carbonate In acetone at 60℃; for 12h; | 10% |
diazomethane
gossypetin
2-(3,4-dimethoxy-phenyl)-5-hydroxy-3,7,8-trimethoxy-chromen-4-one
Conditions | Yield |
---|---|
With methanol; diethyl ether |
gossypetin
acetic anhydride
3,5,7,8-tetraacetoxy-2-(3,4-diacetoxy-phenyl)-chromen-4-one
Conditions | Yield |
---|---|
With potassium hydroxide; ethanol |
gossypetin
dimethyl sulfate
2-(3,4-dimethoxy-phenyl)-5-hydroxy-3,7,8-trimethoxy-chromen-4-one
Conditions | Yield |
---|---|
With potassium carbonate; acetone; benzene |
Conditions | Yield |
---|---|
With potassium carbonate; acetone |
Conditions | Yield |
---|---|
With methanol Behandeln des Reaktionsgemischs mit methylalkoholischer Kalilauge; |
Conditions | Yield |
---|---|
bei der Kalischmelze; |
gossypetin
Conditions | Yield |
---|---|
With air Ansaeuern der Loesung; | |
With ethanol; p-benzoquinone |
Conditions | Yield |
---|---|
With hydrogen iodide; phenol at 180℃; |
Conditions | Yield |
---|---|
at 180℃; |
Conditions | Yield |
---|---|
beim Ansaeuern; |
gossypetin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium hydrogencarbonate / water; tetrahydrofuran / 12 h / 20 °C 2: potassium carbonate / acetone / 12 h / 60 °C View Scheme |
Conditions | Yield |
---|---|
With polyphenol oxidase at 20 - 40℃; pH=3.5 - 5.5; Enzymatic reaction; |
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