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:133933-81-0
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryHebei yanxi chemical co., LTD is a professional research, development and production Cyromazine、lead diacetate trihydrate /Lead acetate trihydrateC、 2-phenylacetamide 、 4-Aminophenyl-1-phenethylpiperidine 、Citric acid monohydrate 、 Citric acid/c
Cas:133933-81-0
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Manufacturers
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:133933-81-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry(+/-)-4-AMINO-3-(5-CHLORO-2-THIENYL)-BUTANOIC ACID CAS:133933-81-0 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializi
Cas:133933-81-0
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:133933-81-0
Min.Order:1 Kilogram
Negotiable
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:133933-81-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Cas:133933-81-0
Min.Order:4 Kilogram
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:133933-81-0
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:133933-81-0
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:133933-81-0
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:133933-81-0
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:133933-81-0
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryR & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
Cas:133933-81-0
Min.Order:0
Negotiable
Type:Manufacturers
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou
Cas:133933-81-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
Cas:133933-81-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirybest seller Application:API
Cas:133933-81-0
Min.Order:0
Negotiable
Type:Manufacturers
inquiryAnsciep 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:133933-81-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry133933-81-0 2-Thiophenepropanoicacid, b-(aminomethyl)-5-chloro- Application:133933-81-0 2-Thiophenepropanoicacid, b-(aminomethyl)-5-chloro-
Cas:133933-81-0
Min.Order:0
Negotiable
Type:Other
inquirybest seller Application:API
Cas:133933-81-0
Min.Order:0
Negotiable
Type:Trading Company
inquiry4-AMINO-3-(5-CHLORO-2-THIENYL)-BUTANOIC ACIDCASAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:133933-81-0
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
Cas:133933-81-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry133933-81-0 2-Thiophenepropanoicacid, b-(aminomethyl)-5-chloro-Appearance:White crystalline powder Package:According to customer requirement packaging Application:N/A Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount.
Cas:133933-81-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryGood Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
best seller Application:API
Cas:133933-81-0
Min.Order:0
Negotiable
Type:Trading Company
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:133933-81-0
Min.Order:0
Negotiable
Type:Trading Company
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:133933-81-0
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryUnited Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
Cas:133933-81-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryJoyinchem have been committed to chemical supply for several years and have built good cooperation records with multinational chemical corporations and importers from all over the world. Our services include:-Spot goods-Contract manufacturing-Custom
Cas:133933-81-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1,Best Quality: Our products have exported to Germany, Spain, UK, USA, Australia, Middle East, and so on other countries, and we have got very good feedback from our customers.so
Cas:133933-81-0
Min.Order:10 Gram
FOB Price: $1.0 / 2.0
Type:Trading Company
inquiry4-amino-3-(5-chlorothien-2-yl)butanoic acidAppearance:white crystalline powder Storage:Shading, sealed, dry place. Package:aluminous bag Application:API Transportation:SEA OR AIR
Cas:133933-81-0
Min.Order:0
Negotiable
Type:Other
inquiryethyl 3-(5-chloro-2-thienyl)-4-nitrobutanoate
4-amino-3-(5-chlorothien-2-yl)butanoic acid
Conditions | Yield |
---|---|
With sodium hydroxide; hydrogen; nickel 1.) EtOH, 1 atm, RT, 2.) aq. EtOH, reflux, 1 h; Yield given. Multistep reaction; |
5-Chloro-2-thiophenecarboxaldehyde
4-amino-3-(5-chlorothien-2-yl)butanoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 78 percent / benzene / 7 h / Heating 2: 64 percent / Triton B / 18 h / 85 °C 3: 1.) H2, 2.) 10 N NaOH / 1.) Raney Ni / 1.) EtOH, 1 atm, RT, 2.) aq. EtOH, reflux, 1 h View Scheme |
ethyl 3-(5-chloro-2-thienyl)-prop-2-enoate
4-amino-3-(5-chlorothien-2-yl)butanoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 64 percent / Triton B / 18 h / 85 °C 2: 1.) H2, 2.) 10 N NaOH / 1.) Raney Ni / 1.) EtOH, 1 atm, RT, 2.) aq. EtOH, reflux, 1 h View Scheme |
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