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:500-38-9
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:500-38-9
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
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:500-38-9
Min.Order:1 Metric Ton
FOB Price: $1.0 / 3.0
Type:Manufacturers
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:500-38-9
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
Cas:500-38-9
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:500-38-9
Min.Order:1 Kilogram
FOB Price: $3.0 / 10.0
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:500-38-9
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:powder Storage:Store in sealed containers at cool & dry pla
Cas:500-38-9
Min.Order:100 Gram
Negotiable
Type:Other
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:500-38-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryNordihydroguaiaretic acid CAS:500-38-9 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 i
Cas:500-38-9
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:500-38-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryPRODUCT DETAILS
Cas:500-38-9
Min.Order:1000 Kilogram
FOB Price: $1.0 / 2.0
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
Cas:500-38-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryBest quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
Cas:500-38-9
Min.Order:0
Negotiable
Type:Manufacturers
inquiryOur company provides one-stop services of research - development - production for a variety of special prouducts. Not only do we make effective use of our strong technological strength, but also establish of cooperative relations with several well-
Cas:500-38-9
Min.Order:5 Gram
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
Cas:500-38-9
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
Cas:500-38-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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
Cas:500-38-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Cas:500-38-9
Min.Order:0 Metric Ton
Negotiable
Type:Other
inquiryZibo 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:500-38-9
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:light yellow crystal powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:Used as Pharmaceutical
Cas:500-38-9
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryEstablished in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
Cas:500-38-9
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiry1,2-Benzenediol,4,4'-(2,3-dimethyl-1,4-butanediyl)bis- 4,4 '- (2,3-Dimethyltetramethylene) dipyrocatechol; 1,2-Benzenediol, 4,4' - (2,3-dimethyl-1,4-butanediyl) bis-; 1,4-Bis (3,4 -dihydroxyphenyl) -2,3-dimethylbutane; Nordihydroguaia
Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:500-38-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
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,
Quantity:1mg-1kg Function:analysis,activity test,Botanical Reference Materials,Standard materials Hubei CuiRan Biotechnology Co., Ltd. is a high-tech enterprise that integrates research and development, production, and sales. It mainly engages in the
Cas:500-38-9
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryHangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu
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
Cas:500-38-9
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Cas:500-38-9
Min.Order:0
Negotiable
Type:Manufacturers
inquiryConditions | Yield |
---|---|
With hydrogen bromide In water at 126℃; for 10h; Reagent/catalyst; Inert atmosphere; | 91.26% |
nordihydroguaiaretic acid
Conditions | Yield |
---|---|
With hydrogenchloride |
Conditions | Yield |
---|---|
With Larrea divaricata Cav. callus cells In ethanol Enzymatic reaction; |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: titanium tetrachloride; zinc / tetrahydrofuran / 5 h / Inert atmosphere; Reflux 1.2: 2 h / 20 °C / Inert atmosphere 2.1: trifluoroacetic acid; HSiPh3 / dichloromethane / 48.5 h / 20 °C / Inert atmosphere 3.1: hydrogen bromide / water / 10 h / 126 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
With triethylamine In diethyl ether at 20℃; for 48h; | 90.8% |
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 18h; Reflux; | 85.5% |
dichloromethane
nordihydroguaiaretic acid
5,5'-(2,3-dimethylbutane-1,4-diyl)bis(benzo[d][1,3]dioxole)
Conditions | Yield |
---|---|
With sodium hydroxide In dimethyl sulfoxide at 120℃; | 73% |
Conditions | Yield |
---|---|
With Amberlyst-15 In toluene at 100℃; | 69.2% |
Conditions | Yield |
---|---|
With peroxidase from horseradish; dihydrogen peroxide In methanol; water at 25℃; Enzymatic reaction; | 20% |
diazomethane
nordihydroguaiaretic acid
1,4-bis(3,4-dimethoxyphenyl)-2,3-dimethylbutane
Conditions | Yield |
---|---|
In diethyl ether for 5h; | 2.4% |
Conditions | Yield |
---|---|
at 290 - 320℃; under 3 Torr; |
nordihydroguaiaretic acid
Conditions | Yield |
---|---|
In phosphate buffer pH=7.4; Product distribution; Kinetics; Further Variations:; Reagents; Polymerization; oxidative electropolymerization; Electrolysis; |
methyl iodide
nordihydroguaiaretic acid
1,4-bis(3,4-dimethoxyphenyl)-2,3-dimethylbutane
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 10h; Heating; |
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 25℃; for 24h; |
nordihydroguaiaretic acid
C18H18Cl6O4P2
Conditions | Yield |
---|---|
Stage #1: nordihydroguaiaretic acid With chloro-trimethyl-silane; triethylamine Stage #2: With phosphorus trichloride Stage #3: With chlorine |
nordihydroguaiaretic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: potassium carbonate / acetone / 18 h / Reflux 2: sodium hydroxide / methanol; water / 18 h 3: thionyl chloride / Reflux View Scheme |
nordihydroguaiaretic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: potassium carbonate / acetone / 18 h / Reflux 2: sodium hydroxide / methanol; water / 18 h 3: thionyl chloride / Reflux 4: dichloromethane / 0 - 20 °C View Scheme |
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