pioneerbiotech 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 your
1.high purity 2.consistent quality 3.competitive price 4.fast shipping Binbo Biological Products Co. Ltd., is a professional high-tech enterprise which engaged in Biological products and raw materials. Binbo is engaged in R&D with perfect eq
Cas:5471-51-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryItems Standard Result Appearance White crystalliine powder Complies Assay ≥98%
Cas:5471-51-2
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Manufacturers
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:5471-51-2
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryProduct Description
Cas:5471-51-2
Min.Order:1 Kilogram
FOB Price: $5.0 / 30.0
Type:Lab/Research institutions
inquiryHebei yanxi chemical co., LTD is a professional research, development and production 2-phenylacetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carbon environ
Cas:5471-51-2
Min.Order:100 Gram
FOB Price: $2.0
Type:Manufacturers
inquiryBest service,high quality and cheap price. Appearance:White needle crystal Storage:Stored in a cool and dry well-closed container,keep away from moisture and strong light/heat Package:25kg/drum,1kg/bag Application:Mainly used in medicine, health fo
Cas:5471-51-2
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryWe are: Focus on the research, production and sale of Plant and Animal extract, Medical intermediate, complete coverage six industries. Product grade: Medicine, Health care product, Cosmetics, Food,Feed, Biopesticide. Hot selling market: Europe,
Cas:5471-51-2
Min.Order:1 Kilogram
FOB Price: $341.0 / 361.0
Type:Manufacturers
inquiryISO Appearance:White crystal powder Storage:Keep in cool place Package:25kg/Drum Application:Used for modulation food spices, have sweet incense toughening effect, also can be used in cosmetic and soap fragrance Transportation:CIF ,FOB or others P
The 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:5471-51-2
Min.Order:1
Negotiable
Type:Other
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:5471-51-2
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:5471-51-2
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
inquiryDayangChem exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product s
Cas:5471-51-2
Min.Order:1 Kilogram
FOB Price: $6.0
Type:Lab/Research institutions
inquiry
Cas:5471-51-2
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Manufacturers
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:5471-51-2
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryDensity: 1.0326 (rough estimate) Melting point: 81-85 ° C (lit.) Boiling point: 200 ° C Flash point: 122.9 ° C Insoluble in water Steam pressure: 40Pa at 25 ℃ JECFA Number: 728 Solubility: 95% ethanol: soluble50mg/mL, clear to slightly ha
Cas:5471-51-2
Min.Order:1 Kilogram
FOB Price: $15.0 / 50.0
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:5471-51-2
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
Product name: Raspberry Ketone CAS:5471-51-2 MF:C10H12O2 MW:164.2 Melting point:81-85°C Density:1.0326 g/cm3 Package:1 kg/bag, 25 kg/bag, 25 kg/drum Property:It is insoluble in water and petroleum, but soluble in ethanol, ether and volatile
Cas:5471-51-2
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Other
inquiryWe are leading fine chemicals supplier in China and Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED intermediat
Cas:5471-51-2
Min.Order:1 Kilogram
FOB Price: $4.0 / 5.0
Type:Lab/Research institutions
inquiryWeight Loss Supplement Health Care CAS 5471-51-2 Extract Pure Raspberry Ketone Powder Product Description Raspberry Ketone is a product that uses a natural ingredient found in raspberries. It is a recent discovery from the raspberry that is already
Cas:5471-51-2
Min.Order:25 Kilogram
FOB Price: $8.0
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:White to off-white crystalline powder Storage:Store in seale
Cas:5471-51-2
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:5471-51-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Name: Raspberry Ketone MF: C10H12O2 MW: 164.2 EINECS: 226-806-4 Mol File: 5471-51-2.mol Raspberry Ketone Structure Raspberry Ketone Chemical Properties Melting point 81-85 °C (lit.) Boiling point 200°C density
Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present
Cas:5471-51-2
Min.Order:1 Kilogram
FOB Price: $5.0 / 10.0
Type:Trading Company
inquiryBeluga chemical professional supply High-quality Raspberry ketone CAS 5471-51-2 1. Beluga Chemical has a professional RESEARCH and development team and strong technical force to ensure technical support and research capabilities. 2. Made in China
Cas:5471-51-2
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:5471-51-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1.High Quality: Quality is life. Quality is the most important element for all goods. We have a lab doing research in Wuhan China and produce sarms in bulk quantity. We have 8 years experience making all kinds of sarms. And all our old customers thr
Cas:5471-51-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryRaspberry ketone CAS: 5471-51-2 Specification item specification description: appearance brown fine powder flavor & odor characteristi
Shanghai SOYOUNG onsite assessment conducted by Bureau Veritas commissioned at June 2018. Assessed Supplier of Shanghai SOYOUNG is a faithful and professional supplier of health raw materials in pharmacy, food, cosmetic and other fields for many ye
Cas:5471-51-2
Min.Order:25 Kilogram
FOB Price: $40.0
Type:Lab/Research institutions
inquiry4-(4'-hydroxyphenyl)but-3-en-2-one
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen; acetic acid In methanol at 20℃; for 24h; | 99% |
With 1 wt.% La2O3 supported titania at 200℃; for 3h; Reagent/catalyst; Temperature; Autoclave; | 96% |
With N-benzylammonium trifluoroacetate; 1,4-dihydro-2,6-dimethyl-3,5-bis<(methylamino)carbonyl>pyridine In tetrahydrofuran at 70℃; for 16h; Sealed tube; | 96% |
(E)-4-(4-hydroxyphenyl)-3-buten-2-one
A
rac-rhododendrol
B
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
With sodium tetrahydroborate; nickel(II) chloride hexahydrate; hydrogen In methanol at 0 - 30℃; under 760.051 Torr; Reagent/catalyst; Solvent; Temperature; Time; Reflux; Inert atmosphere; | A 1% B 98% |
With sodium tetrahydroborate; nickel dichloride In methanol | A 38% B 61% |
With methanol; formic acid; water; silica gel; palladium dichloride for 12h; Heating; | A 25% B 45% |
With baker's yeast; ethanol; D-glucose; water at 36℃; for 92h; Product distribution; var. reducing agents, also labelled; | |
With formic acid; palladium 10% on activated carbon; ammonium formate In methanol at 50℃; for 15h; |
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
With acetic acid In tetrahydrofuran; water; acetonitrile at 20℃; for 12h; pH=7.5; | 95% |
With water; acetic acid; N,N,N',N'-tetramethylguanidine In tetrahydrofuran; acetonitrile at 20℃; | 95% |
4-(4-((triisopropylsilyl)oxy)phenyl)butan-2-one
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
With acetic acid In tetrahydrofuran; water; acetonitrile at 20℃; for 12h; pH=7.5; | 95% |
With water; acetic acid; N,N,N',N'-tetramethylguanidine In tetrahydrofuran; acetonitrile at 20℃; | 75% |
Conditions | Yield |
---|---|
With hydrogenchloride In water at 250℃; under 37503.8 Torr; for 3h; Autoclave; Inert atmosphere; Green chemistry; | 94% |
With hydrogen bromide; acetic acid In water at 130℃; for 4h; Reagent/catalyst; Temperature; Solvent; | 86% |
With hydrogen bromide; acetic acid |
Conditions | Yield |
---|---|
With 4H2O4S*C18H40N4O12S4 at 40℃; for 8h; Temperature; | 94% |
With amberlyst-15 In toluene at 20 - 40℃; | 58.1% |
With 1-butyl-3-methylimidazolium hydrogen sulfate at 20℃; for 24h; Friedel-Crafts Alkylation; regioselective reaction; | 51% |
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
In sulfuric acid | 93% |
4-(4-(benzyloxy)phenyl)butan-2-one
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
With palladium on activated charcoal; hydrogen In methanol at 18 - 22℃; for 24h; | 93% |
With 5%-palladium/activated carbon; hydrogen In methanol at 20℃; for 120h; Inert atmosphere; | 93% |
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
With hydrogenchloride In water Industrial scale; | 93% |
2-(4-Hydroxybenzyl)acetessigsaeure-ethylester
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol at 80℃; for 3h; Solvent; Reagent/catalyst; | 90% |
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
With sodium hydroxide In methanol; water at 23℃; for 20h; | 87% |
(E)-4-(4-hydroxyphenyl)-3-buten-2-one
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
With methanol; formic acid; water; silica gel; palladium dichloride for 0.366667h; Irradiation; microwave; | 84% |
With nickel boride; hydrogen In methanol at 25℃; for 1h; chemoselective reaction; | 75% |
With baker's yeast; D-glucose; resin XAD 1180 In water at 28℃; for 24h; | 50% |
With hydrogen |
(+)-rhododendrol
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
With phosphate buffer; Rhodococcus ruber DSM 44541 cells; acetone at 20℃; for 17h; pH=7.5; | 83% |
With lyophilised cells of Escherichia coli overexpressing the solvent-tolerant alcohol dehydrogenase from Rhodococcus ruber DSM44541 In aq. buffer at 30℃; for 24h; pH=7.5; Resolution of racemate; Enzymatic reaction; | 73% |
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride; zinc(II) chloride In tetrahydrofuran; toluene at 20℃; for 0.75h; Solvent; Temperature; Reagent/catalyst; | 82% |
Conditions | Yield |
---|---|
Stage #1: 4-hydroxy-benzaldehyde; acetone With morpholin-4-ium 2,2,2-trifluoroacetate at 75℃; for 12h; Aldol condensation; Sealed vial; Stage #2: With diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate In tetrahydrofuran at 60℃; for 12h; Inert atmosphere; | 80% |
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride; zinc(II) chloride In tetrahydrofuran; toluene at 20℃; for 3h; | 70% |
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride; zinc(II) chloride In tetrahydrofuran; toluene at 20℃; for 0.75h; | 66% |
Conditions | Yield |
---|---|
With D218 resin In toluene at 80 - 120℃; for 7h; Temperature; Large scale; | 65% |
With aluminium trichloride |
rac-rhododendrol
A
(R)-rhododendrol
B
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
With phosphate buffer; Rhodococcus ruber DSM 44541 cells; acetone at 30℃; for 44h; pH=7.5; | A n/a B 44.5% |
With Thermoanaerobacter ethanolicus secondary alcohol dehydrogenase W110A mutant; NADP In acetone at 50℃; for 24h; pH=8; Enzymatic reaction; enantioselective reaction; | A n/a B n/a |
1-Hydroxy-3-butanone
phenol
A
4-phenoxybutan-2-one
B
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
Zr(4+)-montmorillonite at 100℃; for 48h; | A 0.4% B 28% |
Zr(4+)-montmorillonite at 100℃; for 48h; Product distribution; further cation-exchanged montmorillonites; also with 3-buten-2-one instead of 4-hydroxybutan-2-one; | A 0.4% B 28% |
HCl treated montmorillonite at 130℃; under 1500.15 Torr; for 24h; Product distribution / selectivity; |
4-phenoxybutan-2-one
A
4-methylchroman
B
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
With aluminium(III) ion In various solvent(s) at 100℃; for 48h; | A 8% B 10% |
With aluminium(III) ion In various solvent(s) at 100℃; for 48h; Product distribution; various substrates and catalysts; | A 8% B 10% |
methyl vinyl ketone
phenol
A
4-phenoxybutan-2-one
B
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
With potassium tert-butylate In tert-butyl alcohol at 50℃; for 11h; Product distribution; | |
Zr(4+)-montmorillonite at 100℃; for 48h; | A 13 % Chromat. B 16 % Chromat. |
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
With sodium amalgam; water |
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
With aluminium trichloride; benzene |
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
With methanol; platinum Hydrogenation; | |
With diethyl ether; platinum Hydrogenation; | |
With methanol; palladium on activated charcoal Hydrogenation; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: tetrahydrofuran / Heating 2: H2 / Pd/C / ethyl acetate View Scheme |
4-bromophenyl 2,2-dimethylpropanoate
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 79 percent / NaHCO3; NaHCO2; tetrabutylammonium bromide / Pd-benzothiazole carbene complex / 8 h / 130 °C 2: 87 percent / NaOH / methanol; H2O / 20 h / 23 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 43 percent / Zr4+-mont / pyridine / 12 h / 100 °C 2: 10 percent / Al3+-mont / various solvent(s) / 48 h / 100 °C / various substrates and catalysts View Scheme |
2-hydroxy-3-butene
4-Iodophenol
A
C10H12O2
B
C10H12O2
C
3-(4'-hydroxyphenyl)butan-2-one
D
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
Stage #1: 2-hydroxy-3-butene With dicyclohexylmethylamine; tetrabutylammomium bromide In water at 20℃; for 0.25h; Heck reaction; Stage #2: p-Iodophenol; Kaiser oxime-derived complex on resin base In water at 120℃; for 5h; Heck reaction; Further stages.; | A n/a B n/a C n/a D 81 % Spectr. |
4-(4-hydroxyphenyl)-2-oxobutane
Conditions | Yield |
---|---|
With potassium hydroxide; water-d2 for 48h; | 100% |
With potassium hydroxide; water-d2 In 1,4-dioxane at 50℃; for 24h; |
4-(4-hydroxyphenyl)-2-oxobutane
rac-rhododendrol
Conditions | Yield |
---|---|
With sodium tetrahydroborate In methanol at 20℃; for 2h; Solvent; Enzymatic reaction; | 100% |
With sodium tetrahydroborate In methanol at 0 - 20℃; for 1.5h; Inert atmosphere; | 95% |
With sodium tetrahydroborate In methanol; water at 20℃; for 10h; Cooling with ice; | 94% |
chloro-trimethyl-silane
4-(4-hydroxyphenyl)-2-oxobutane
4-(4-trimethylsilyloxyphenyl)butan-2-one
Conditions | Yield |
---|---|
With triethylamine In dichloromethane | 100% |
With triethylamine In tetrahydrofuran at 20℃; for 5h; | 91% |
With triethylamine In tetrahydrofuran at 20℃; |
triisopropylsilyl chloride
4-(4-hydroxyphenyl)-2-oxobutane
4-(4-((triisopropylsilyl)oxy)phenyl)butan-2-one
Conditions | Yield |
---|---|
With 1H-imidazole In dichloromethane at 0 - 20℃; for 16h; Inert atmosphere; Sealed tube; | 100% |
With 1H-imidazole at 20℃; | 75% |
With 1H-imidazole In dichloromethane at 23℃; Inert atmosphere; |
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