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 according to the contract research and development services for the fine c
Cas:4619-20-9
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:4619-20-9
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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:4619-20-9
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:4619-20-9
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryName: 3-(4-Methylbenzoyl)-propionic Acid Synonyms: 4-(4-methylphenyl)-4-oxobutanoic acid CAS:4619-20-9 MF: C11H12O3 Appearance:White powder Storage:Store in cool and dry place, away from sun light. Package:25kg/drum Application:Pharmaceutical In
Cas:4619-20-9
Min.Order:1 Kilogram
FOB Price: $1.0
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:4619-20-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry3-(4-Methylbenzoyl)propionic acid CAS:4619-20-9 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
Cas:4619-20-9
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:4619-20-9
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:4619-20-9
Min.Order:0
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:4619-20-9
Min.Order:0 Metric Ton
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:4619-20-9
Min.Order:0 Metric Ton
Negotiable
Type:Other
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:4619-20-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryChemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff
Cas:4619-20-9
Min.Order:100 Gram
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:4619-20-9
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:4619-20-9
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryOur company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O
Cas:4619-20-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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,
Cas:4619-20-9
Min.Order:1 Kilogram
Negotiable
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,
Cas:4619-20-9
Min.Order:1 Milligram
Negotiable
Type:Trading Company
inquiry3-(4-Methylbenzoyl)propionic acid Basic information Product Name: 3-(4-Methylbenzoyl)propionic acid Synonyms: 3-(4-METHYLBENZOYL)PROPANOIC ACID;3-(4-METHYLBENZOYL)PROPIONIC ACID;3-(P-TOLUOYL)PROPIONIC ACID;4-(4-METHYLPHENYL)-4-OXOBUTANOIC ACID;4
Cas:4619-20-9
Min.Order:1 Kilogram
Negotiable
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:4619-20-9
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryCangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api
Cas:4619-20-9
Min.Order:1 Kilogram
FOB Price: $10.0
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:4619-20-9
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:4619-20-9
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryHigh quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
Cas:4619-20-9
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:4619-20-9
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:4619-20-9
Min.Order:0
Negotiable
Type:Trading Company
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
Cas:4619-20-9
Min.Order:0
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
Cas:4619-20-9
Min.Order:0
Negotiable
Type:Manufacturers
inquiryConditions | Yield |
---|---|
Stage #1: succinic acid anhydride With aluminum (III) chloride In dichloromethane at 20℃; for 0.0833333h; Schlenk technique; Sealed tube; Stage #2: toluene In dichloromethane at 20℃; Schlenk technique; Sealed tube; | 99% |
With aluminum (III) chloride at 50 - 60℃; for 2h; Friedel-Crafts Acylation; | 99.3% |
With aluminum (III) chloride at 60℃; Friedel-Crafts Acylation; Ionic liquid; Irradiation; | 95% |
(E)-4-oxo-4-(p-tolyl)but-2-enoic acid
3-(4-methylbenzoyl)propionic acid
Conditions | Yield |
---|---|
With hydrogen; palladium In methanol at 20℃; for 10h; | 99% |
With trifluoroacetic acid; lithium chloride In methanol Inert atmosphere; Electrolysis; |
Conditions | Yield |
---|---|
Stage #1: ethyl 4-oxo-4-(p-tolyl)butanoate With sodium hydroxide In methanol at 20℃; for 3h; Stage #2: With hydrogenchloride In water | 97% |
Methyl (E)-4-hydroxy-4-(4'-methylphenyl)but-2-enoate
3-(4-methylbenzoyl)propionic acid
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol; water for 1h; Heating; | 78% |
Multi-step reaction with 3 steps 1: 91 percent / active MnO2 / CH2Cl2 / 3 h / Ambient temperature 2: NaBH4 / methanol; H2O / 1.) 5-10 deg C, 30 min , 2.) RT , 1 h 3: 78 percent / NaOH / ethanol; H2O / 1 h / Heating View Scheme |
5-(4-methylphenyl)-3H-furan-2-one
thioacetamide
3-(4-methylbenzoyl)propionic acid
Conditions | Yield |
---|---|
at 120 - 130℃; for 4h; | 45% |
Methyl 3-bromo-4-keto-4-(4'-methylphenyl)butanoate
3-(4-methylbenzoyl)propionic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 31 percent / NaBH4, NaHCO3 / methanol; H2O / 1.5 h / 28 °C 2: 78 percent / NaOH / ethanol; H2O / 1 h / Heating View Scheme | |
Multi-step reaction with 4 steps 1: 31 percent / NaBH4, NaHCO3 / methanol; H2O / 1.5 h / 28 °C 2: 91 percent / active MnO2 / CH2Cl2 / 3 h / Ambient temperature 3: NaBH4 / methanol; H2O / 1.) 5-10 deg C, 30 min , 2.) RT , 1 h 4: 78 percent / NaOH / ethanol; H2O / 1 h / Heating View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: copper(I) cyanide di(lithium chloride) / tetrahydrofuran / 3 h / -15 - 20 °C / Inert atmosphere 2: sodium hydroxide / methanol / 3 h / 20 °C View Scheme |
3-(4-methylbenzoyl)propionic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: hydrogen; palladium 10% on activated carbon / ethyl acetate / 24 h / 20 °C 2: ω-transaminase from Burkholderia graminis C4D1M; piruvate; pyridoxal 5'-phosphate / dimethyl sulfoxide / 24 h / pH 7.0 / Resolution of racemate; Enzymatic reaction View Scheme |
A
3-(4-methylbenzoyl)propionic acid
Conditions | Yield |
---|---|
With pyridoxal 5'-phosphate; ω-transaminase from Burkholderia graminis C4D1M; piruvate In dimethyl sulfoxide for 24h; pH=7.0; Reagent/catalyst; Resolution of racemate; Enzymatic reaction; | A n/a B n/a |
succinic acid anhydride
para-methylphenylmagnesium bromide
3-(4-methylbenzoyl)propionic acid
Conditions | Yield |
---|---|
Stage #1: succinic acid anhydride; para-methylphenylmagnesium bromide With iron(III)-acetylacetonate In tetrahydrofuran at -40 - 20℃; Inert atmosphere; Stage #2: With hydrogenchloride In water pH=Ca. 1; Inert atmosphere; |
methanol
3-(4-methylbenzoyl)propionic acid
methyl 4-(4-methylphenyl)-4-oxobutanoate
Conditions | Yield |
---|---|
With sulfuric acid at 70℃; for 5h; | 100% |
With sulfuric acid at 68℃; | 99% |
With sulfuric acid at 20℃; for 12h; | 99.4% |
3-(4-methylbenzoyl)propionic acid
sodium 3-(4'-methylbenzoyl)propanoate
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In ethanol; water | 99% |
3-(4-methylbenzoyl)propionic acid
Conditions | Yield |
---|---|
With potassium carbonate In ethanol; water | 99% |
3-(4-methylbenzoyl)propionic acid
(1S,2R)-1-amino-2-indanol
Conditions | Yield |
---|---|
In toluene for 15h; Reflux; Dean-Stark; | 98% |
ethanol
3-(4-methylbenzoyl)propionic acid
ethyl 4-oxo-4-(p-tolyl)butanoate
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid Reflux; | 96% |
With hydrogenchloride at 25℃; for 15h; | 95% |
With hydrogenchloride | |
With sulfuric acid | |
With hydrogenchloride In water at 20℃; for 4h; |
3-(4-methylbenzoyl)propionic acid
methylhydrazine
2-methyl-6-(4-methylphenyl)-4,5-dihydro-3(2H)-pyridazinone
Conditions | Yield |
---|---|
In acetic acid Heating; | 96% |
Conditions | Yield |
---|---|
With polystyryl diphenyl phosphine-iodine In dichloromethane at 40 - 50℃; for 0.833333h; | 96% |
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