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:2138-43-4
Min.Order:1 Kilogram
FOB Price: $3.0
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
Our 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:2138-43-4
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
Cas:2138-43-4
Min.Order:1 Kilogram
FOB Price: $9.0 / 99.0
Type:Trading Company
inquiry1.In No Less 10 years exporting experience. you 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 Specializ
Cas:2138-43-4
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1. Customs clearance 1) By Express: Normally there is no specical need for the recipient to clear the customs. If the customs has an objection,our rich experienced and professional group will help you clear the customs. 2) By Air and by Sea: Our
Cas:2138-43-4
Min.Order:20 Kilogram
FOB Price: $10.0 / 25.0
Type:Trading Company
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:2138-43-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryOur company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble metal catalysts, synthesis of electronic chemical materials and general chemicals Imp&Exp trading business. The company
Cas:2138-43-4
Min.Order:1 Kilogram
FOB Price: $1000.0
Type:Lab/Research institutions
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:2138-43-4
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
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
Cas:2138-43-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
1,2-Benzenediol,4-(1-methylethyl)-Appearance:detailed see specifications Storage:Keep away of light, cool place Package:25kg/drum;200kg/drum Application:Used in Synthesis, Pharmaceuticals and other fields Transportation:Sea/air/courier
Cas:2138-43-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
Cas:2138-43-4
Min.Order:0
Negotiable
Type:Trading Company
inquiry1,2-Benzenediol,4-(1-methylethyl)- cas 2138-43-4Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:2138-43-4
Min.Order:0
Negotiable
Type:Other
inquiryGood Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Price, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
Cas:2138-43-4
Min.Order:0
Negotiable
Type:Trading Company
inquiryAt Capot,We can synthesize and purify your complex molecules from 100 gram to 10 tons.Appearance:Clear colorless to light yellow liquid Storage:Dry,Seal and Cool place Package:1G,5G,10G,25G,100G,250G,500G,1KG,5KG,10KG,25KG,50KG,100KG,150KG,200KG. App
Cas:2138-43-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry2-hydroxy-5-isopropylbenzaldehyde
4-isopropylcatechol
Conditions | Yield |
---|---|
With dihydrogen peroxide In sodium hydroxide for 0.5h; <45 deg C; | 85% |
Conditions | Yield |
---|---|
With 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione In N,N-dimethyl-formamide at 20 - 23℃; for 4h; | 69% |
Multi-step reaction with 2 steps 1: 40 percent / POCl3 / dimethylformamide / 1 h / Ambient temperature 2: 85 percent / 6percent H2O2 / aq. NaOH / 0.5 h / <45 deg C View Scheme | |
Stage #1: 4-Isopropylphenol In dichloromethane at 0 - 20℃; for 66h; Stage #2: With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; for 1h; Further stages.; |
4-isopropylcatechol
Conditions | Yield |
---|---|
With water |
4,4'-(propane-2,2-diyl)bis(benzene-1,2-diol)
4-isopropylcatechol
Conditions | Yield |
---|---|
With Menthane; hydrogen; nickel at 180 - 230℃; under 14710.2 - 18387.7 Torr; |
Conditions | Yield |
---|---|
With hydrogen iodide |
Conditions | Yield |
---|---|
With sulfonated cation exchanger In toluene Heating; |
4,4'-(propane-2,2-diyl)bis(benzene-1,2-diol)
A
4-isopropylcatechol
B
benzene-1,2-diol
Conditions | Yield |
---|---|
at 180 - 230℃; under 14710.2 - 18387.7 Torr; |
3,3,3',3'-tetramethyl-2,3,2',3'-tetrahydro-[1,1']spirobiindene-5,6,5',6'-tetraol
A
4-isopropylcatechol
B
benzene-1,2-diol
Conditions | Yield |
---|---|
at 300℃; |
5-(1-methylethyl)-1,3-benzodioxole
4-isopropylcatechol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: phosphorus pentachloride 2: water View Scheme |
benzene-1,2-diol
isopropyl alcohol
A
4-isopropylcatechol
B
3-isopropylbenzene-1,2-diol
Conditions | Yield |
---|---|
1-butyl-3-methylimidazolium heptachlorodiindate (III) at 100℃; for 3h; Product distribution / selectivity; In ionic liquid; |
Conditions | Yield |
---|---|
With ammonium bicarbonate In water; acetonitrile at 37℃; Electrochemical reaction; |
4-isopropylcatechol
epichlorohydrin
1,1'-[(4-isopropyl-o-phenylene)dioxy]-bis-(2,3-epoxy-propane)
Conditions | Yield |
---|---|
With sodium hydroxide; sodium carbonate In water | 76% |
Conditions | Yield |
---|---|
With potassium carbonate; sodium iodide In acetone for 4h; Heating; | 60% |
4-isopropylcatechol
(2S,3S,4S,5R,6S)-3,4,5,6-Tetraacetoxy-tetrahydro-pyran-2-carboxylic acid methyl ester
4-Isopropylbrenzcatechin-2-O-triacetyl-β-D-glucopyranosiduronsaeuremethylester
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid at 100 - 110℃; under 3 - 6 Torr; for 0.75h; | 26% |
Conditions | Yield |
---|---|
With pyridine |
Conditions | Yield |
---|---|
With potassium hydroxide |
4-isopropylcatechol
3-oxa-1,5-dichloropentane
A
4',5''-Di-isopropyldibenzo-18-crown-6
B
4',4''-Di-isopropyldibenzo-18-crown-6
Conditions | Yield |
---|---|
With potassium hydroxide In toluene Title compound not separated from byproducts; |
4-isopropylcatechol
4-Isopropyl-o-benzochinon
Conditions | Yield |
---|---|
With cerium (IV) sulfate; sulfuric acid In chloroform | |
With sodium periodate In dichloromethane; water at 20 - 23℃; for 1h; |
4-isopropylcatechol
4-Isopropylbrenzcatechin-2-O-β-D-glucopyranosiduronsaeure
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 26 percent / TsOH*H2O / 0.75 h / 100 - 110 °C / 3 - 6 Torr 2: 85 percent / NaOH / H2O / 0.5 h View Scheme |
4-isopropylcatechol
4-Isopropylbrenzcatechin-2-O-β-D-glucopyranosiduronsaeuremethylester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 26 percent / TsOH*H2O / 0.75 h / 100 - 110 °C / 3 - 6 Torr 2: 88 percent / Na, MeOH / 3 h / 20 °C View Scheme |
4-isopropylcatechol
acetic anhydride
4-isopropylphenylene-1,2-diacetate
Conditions | Yield |
---|---|
With pyridine at 20℃; |
4-isopropylcatechol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium periodate / dichloromethane; water / 1 h / 20 - 23 °C 2: oxygen; copper(l) chloride; 4-methoxypyridine / dichloromethane / 20 - 23 °C / 1520.1 Torr / Molecular sieve 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