hebei 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:3055-99-0
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:3055-99-0
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryShanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
Cas:3055-99-0
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
inquiryDayangchem’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. Near 20 years DayangChem has provided dif
Cas:3055-99-0
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:3055-99-0
Min.Order:1 Kilogram
FOB Price: $1.0 / 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:3055-99-0
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:3055-99-0
Min.Order:10 Kilogram
Negotiable
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:3055-99-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryNONAETHYLENE GLYCOL MONODODECYL ETHER CAS:3055-99-0 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 qua
Cas:3055-99-0
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
Cas:3055-99-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryNONAETHYLENE GLYCOL MONODODECYL ETHER CAS: 3055-99-0 Specification Test Item Standard: USP Identification IR spectrum similar to that of RS HPLC retention time similar to that of RS
Cas:3055-99-0
Min.Order:1 Kilogram
Negotiable
Type:Other
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:3055-99-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAppearance:white powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:Common products:Sea/Air/Courie
Cas:3055-99-0
Min.Order:100 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
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
Cas:3055-99-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:3055-99-0
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:as per your request Application:Used as Pharmaceutical Intermediates, etc. Transportation:as per your req
Cas:3055-99-0
Min.Order:1 Gram
Negotiable
Type:Trading Company
inquiryProduct 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,
Our 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
Cas:3055-99-0
Min.Order:0
Negotiable
Type:Trading Company
inquiryHigh quality, competitive price, fast delivery and first-class service we possesses have won the trust and praise of customers. Standard: BP/USP/EP The purity is equal or greater than 99%. As a supplier, we can provide high-quality products. Cle
factory?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:3055-99-0
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryZhenyu 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:3055-99-0
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
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:3055-99-0
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:3055-99-0
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryGOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation
Cas:3055-99-0
Min.Order:1 Kilogram
Negotiable
Type:Other
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:3055-99-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:3055-99-0
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:3055-99-0
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
R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
Cas:3055-99-0
Min.Order:0
Negotiable
Type:Manufacturers
inquiryConditions | Yield |
---|---|
With K10 clay at 50℃; | 94% |
With potassium hydroxide at 140 - 170℃; |
Conditions | Yield |
---|---|
Stage #1: Hexaethylene glycol monododecyl ether With sodium hydride In tetrahydrofuran; mineral oil for 0.5h; Inert atmosphere; Stage #2: C6H12O6S In tetrahydrofuran; mineral oil pH=2; Inert atmosphere; Stage #3: With sulfuric acid In tetrahydrofuran; water; mineral oil at 80℃; for 2h; Inert atmosphere; | 77% |
Stage #1: Hexaethylene glycol monododecyl ether With sodium hydride In tetrahydrofuran at 0 - 20℃; for 0.5h; Stage #2: C6H12O6S In tetrahydrofuran at 20℃; for 3h; Stage #3: With sulfuric acid In tetrahydrofuran; water at 20 - 80℃; for 2h; | 77% |
1-{2-[2-(2-{2-[2-(2-chloro-ethoxy)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-ethoxy}-dodecane
2,2'-[1,2-ethanediylbis(oxy)]bisethanol
polidocanol
Conditions | Yield |
---|---|
With sodium |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: triethylamine; dmap; thionyl chloride / dichloromethane / 0 - 25 °C 2.1: sodium hydride / mineral oil; tetrahydrofuran / 0.5 h / Inert atmosphere 2.2: pH 2 / Inert atmosphere 2.3: 2 h / 80 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 3 steps 1.1: triethylamine; dmap; thionyl chloride / dichloromethane / 0 - 25 °C 2.1: sodium hydride / mineral oil; tetrahydrofuran / 0.5 h / Inert atmosphere 2.2: pH 2 / Inert atmosphere 2.3: 2 h / 80 °C / Inert atmosphere 3.1: sodium hydride / mineral oil; tetrahydrofuran / 0.5 h / Inert atmosphere 3.2: pH 2 / Inert atmosphere 3.3: 2 h / 80 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 4 steps 1.1: triethylamine; dmap; thionyl chloride / dichloromethane / 0 - 25 °C 2.1: sodium hydride / mineral oil; tetrahydrofuran / 0.5 h / Inert atmosphere 2.2: Inert atmosphere 2.3: 2 h / 80 °C / Inert atmosphere 3.1: sodium hydride / mineral oil; tetrahydrofuran / 0.5 h / Inert atmosphere 3.2: pH 2 / Inert atmosphere 3.3: 2 h / 80 °C / Inert atmosphere 4.1: sodium hydride / mineral oil; tetrahydrofuran / 0.5 h / Inert atmosphere 4.2: pH 2 / Inert atmosphere 4.3: 2 h / 80 °C / Inert atmosphere View Scheme |
polidocanol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: sodium hydride / mineral oil; tetrahydrofuran / 0.5 h / Inert atmosphere 1.2: pH 2 / Inert atmosphere 1.3: 2 h / 80 °C / Inert atmosphere 2.1: sodium hydride / mineral oil; tetrahydrofuran / 0.5 h / Inert atmosphere 2.2: pH 2 / Inert atmosphere 2.3: 2 h / 80 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 3 steps 1.1: sodium hydride / mineral oil; tetrahydrofuran / 0.5 h / Inert atmosphere 1.2: Inert atmosphere 1.3: 2 h / 80 °C / Inert atmosphere 2.1: sodium hydride / mineral oil; tetrahydrofuran / 0.5 h / Inert atmosphere 2.2: pH 2 / Inert atmosphere 2.3: 2 h / 80 °C / Inert atmosphere 3.1: sodium hydride / mineral oil; tetrahydrofuran / 0.5 h / Inert atmosphere 3.2: pH 2 / Inert atmosphere 3.3: 2 h / 80 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 3 steps 1.1: sodium hydride / tetrahydrofuran / 0.25 h / 0 - 20 °C 1.2: 3 h / 20 °C 1.3: 2 h / 20 °C 2.1: sodium hydride / tetrahydrofuran / 0.5 h / 0 - 20 °C 2.2: 3 h / 20 °C 2.3: 2 h / 20 - 80 °C 3.1: sodium hydride / tetrahydrofuran / 0.5 h / 0 - 20 °C 3.2: 3 h / 20 °C 3.3: 2 h / 20 - 80 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: sodium hydride / mineral oil; tetrahydrofuran / 0.5 h / Inert atmosphere 1.2: pH 2 / Inert atmosphere 1.3: 2 h / 80 °C / Inert atmosphere 2.1: sodium hydride / mineral oil; tetrahydrofuran / 0.5 h / Inert atmosphere 2.2: pH 2 / Inert atmosphere 2.3: 2 h / 80 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1.1: sodium hydride / tetrahydrofuran / 0.5 h / 0 - 20 °C 1.2: 3 h / 20 °C 1.3: 2 h / 20 - 80 °C 2.1: sodium hydride / tetrahydrofuran / 0.5 h / 0 - 20 °C 2.2: 3 h / 20 °C 2.3: 2 h / 20 - 80 °C View Scheme |
Conditions | Yield |
---|---|
Stage #1: polidocanol With sodium hydride In tetrahydrofuran; mineral oil for 0.5h; Inert atmosphere; Stage #2: methyl iodide In tetrahydrofuran; mineral oil Inert atmosphere; | 94% |
Conditions | Yield |
---|---|
With sulfuric acid In toluene at 150℃; for 35h; Molecular sieve; | 83.12% |
Conditions | Yield |
---|---|
Stage #1: polidocanol With sodium hydride In tetrahydrofuran; mineral oil for 0.5h; Inert atmosphere; Stage #2: C6H12O6S In tetrahydrofuran; mineral oil pH=2; Inert atmosphere; Stage #3: With sulfuric acid In tetrahydrofuran; water; mineral oil at 80℃; for 2h; Inert atmosphere; | 59% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate at 62℃; under 15 Torr; for 24h; Enzymatic reaction; | 38.19 g |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: sodium hydride / mineral oil; tetrahydrofuran / 0.5 h / Inert atmosphere 1.2: pH 2 / Inert atmosphere 1.3: 2 h / 80 °C / Inert atmosphere 2.1: sodium hydride / mineral oil; tetrahydrofuran / 0.5 h / Inert atmosphere 2.2: Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
In methanol; acetonitrile at 70℃; for 1h; |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 50℃; for 12h; |
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