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
Cas:34221-41-5
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:34221-41-5
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryProduct Name: 4,4'-DIHYDROXY-2-METHOXYCHALCONE Synonyms: (E)-3-(4-hydroxy-2-methoxyphenyl)-1-(4-hydroxyphenyl)prop-2-en-1-one;3-(4-Hydroxy-2-Methoxyphenyl)-1-(4-hydroxyphenyl)prop-2-en-1-one;2-Propen-1-one,3-(4-hydroxy-2-Methoxyphenyl)-1-(4-hy
Cas:34221-41-5
Min.Order:1 Kilogram
FOB Price: $230.0
Type:Lab/Research institutions
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:34221-41-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry4,4'-DIHYDROXY-2-METHOXYCHALCONE CAS:34221-41-5 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 qual
Cas:34221-41-5
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
Cas:34221-41-5
Min.Order:1 Kilogram
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
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
We are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED
Cas:34221-41-5
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryGMP 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)
Cas:34221-41-5
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryHangzhou 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
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
Cas:34221-41-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWhy 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:34221-41-5
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:34221-41-5
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
We leverage our wide spectrum of business in the fields of development, manufacturing, marketing, and distribution to help you make best-informed decisions tailored to your evolving needs for premium chemicals. Our complete suite of CRO services sp
J&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals
Cas:34221-41-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
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 day2. The products are provided with COA, HPLC, NMR, quality assurance, pac
Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
Cas:34221-41-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryFactory supply high purity low priceAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
EchinatinAppearance: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
Cas:34221-41-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:34221-41-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry*stable and better quality products*efficient and meticulous servicesAppearance:Powder Storage:Store in dry, cool and ventilated place Package:1kg/tin 5kg/tin 25kg/carton Application:Use in healthcare products. Use in food products. Use in Cosmetic p
good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:10mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any por
Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Our mission is to provide high-quality and innovative products to our customers. By offering a broad range of products, custom synthesis and personalized services, Bide can help scientists speeding up their research in the chemical and pharmaceutical
Cas:34221-41-5
Min.Order:0
Negotiable
Type:Other
inquiry1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G
Cas:34221-41-5
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryechinatin
Conditions | Yield |
---|---|
In ethanol Reflux; | 96% |
Conditions | Yield |
---|---|
With potassium hydroxide for 0.25h; Heating; |
Conditions | Yield |
---|---|
With potassium hydroxide at 100℃; for 0.25h; | 20 mg |
(E)-2-methoxy-4-(2-methylbut-2-enyloxy)benzaldehyde
B
echinatin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: potassium hydroxide / methanol / 12 h / 20 °C 2: hydrogenchloride / ethanol; water / 1 h / 40 °C 3: ethanol; water / 24 h / 180 °C View Scheme |
(E)-3-[2-methoxy-4-(2-methylbut-2-enyloxy)phenyl]-1-(4-hydroxyphenyl)prop-2-en-1-one
B
echinatin
Conditions | Yield |
---|---|
In ethanol; water at 180℃; for 24h; |
(E)-3-[2-methoxy-4-(2-methylbut-2-enyloxy)phenyl]-1-[4-(tetrahydropyranyloxy) phenyl]prop-2-en-1-one
B
echinatin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: hydrogenchloride / ethanol; water / 1 h / 40 °C 2: ethanol; water / 24 h / 180 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: potassium carbonate / acetone / 3 h / Reflux 2: potassium hydroxide / methanol / 12 h / 20 °C 3: hydrogenchloride / ethanol; water / 1 h / 40 °C 4: ethanol; water / 24 h / 180 °C View Scheme |
echinatin
Conditions | Yield |
---|---|
With hydrogenchloride; water In ethanol Time; |
1-(4-(tetrahydro-2H-pyran-2-yloxy)phenyl)ethanone
2-methoxy-4-((tetrahydro-2H-pyran-2-yl)oxy)benzaldehyde
echinatin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium hydroxide / ethanol / 20 °C 2: hydrogenchloride; water / ethanol View Scheme |
4-Hydroxyacetophenone
echinatin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: sodium hydride 2: sodium hydroxide / methanol; water / 20 °C 3: ethanol / Reflux View Scheme |
4-hydroxy-2-methoxybenzaldehyde
echinatin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: sodium hydride 2: sodium hydroxide / methanol; water / 20 °C 3: ethanol / Reflux View Scheme |
1-[4-(methoxymethoxy)phenyl]-1-ethanone
echinatin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium hydroxide / methanol; water / 20 °C 2: ethanol / Reflux View Scheme |
2-methoxy-4-(methoxylmethoxy)benzaldehyde
echinatin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium hydroxide / methanol; water / 20 °C 2: ethanol / Reflux View Scheme |
echinatin
acetyl chloride
Conditions | Yield |
---|---|
Stage #1: echinatin With dmap In dichloromethane for 0.166667h; Cooling with ice; Stage #2: acetyl chloride With triethylamine In dichloromethane at 20℃; | 70% |
echinatin
Conditions | Yield |
---|---|
With zinc In acetic acid for 0.333333h; Heating; | 5 mg |
echinatin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: dmap / dichloromethane / 0.17 h / Cooling with ice 1.2: 20 °C 2.1: toluene / 48 h / 130 °C / Sealed tube View Scheme |
echinatin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: dmap / dichloromethane / 0.17 h / Cooling with ice 1.2: 20 °C 2.1: toluene / 48 h / 130 °C / Sealed tube View Scheme |
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