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 quantiti
Welcome 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:95737-68-1
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
inquiryhigh quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
Properties: Crystalline solid. Melting point 45-47℃,vapor pressure 0.29mPa(20℃), relative density 1.23. Solubility(20-25℃): hexane 400g/kg, methanol 200g/kg, xylene 500g/kg. Toxicity:
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:95737-68-1
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:95737-68-1
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryColorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
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
Name: pyriproxyfen CAS no. : 95737-68-1 Molecular formula: C20H19NO3 Molecular weight:321.37 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data storage Security without vulnerability
Cas:95737-68-1
Min.Order:25 Kilogram
FOB Price: $1.0 / 2.0
Type:Other
inquiry4-Hydroxy-2-butanone Basic information Product Name: 4-Hydroxy-2-butanone Synonyms: 2-Butanone, 4-hydroxy-;2-Butanone,4-hydroxy-;3-Ketobutan-1-ol;3-Oxo-1-butanol;3-Oxobutanol;4-Butanol-2
Cas:95737-68-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:95737-68-1
Min.Order:1 Kilogram
FOB Price: $9.0 / 99.0
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:95737-68-1
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
Common name Pyriproxyfen Chemical name 4-phenoxyphenyl(RS)-2-(2-pyridyloxy) propyl ether CAS No 95737-68-1 Molecular formula C20H29NO3
Appearance:White to off-white powder Storage:room temperature Package:25kg/drum Application:1. It is a kind of benzyl ethers class insect growth regulator and is a kind of juvenile hormone type inhibitor of chitin synthesis. It is characterized by
Cas:95737-68-1
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryWe are one of the domestic largest manufacturers of API; We are always supplier of products with higher quality and at more competitive price; We are supplier of safe and ecofriendly products ; We provide stable supply and efficient servic
Cas:95737-68-1
Min.Order:25 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:95737-68-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryPyriproxyfen Basic information A regulator of insect growth Toxicity Instructions Precautions Toxicity Chemical Properties Uses Product Name: Pyriproxyfen Synonyms: PYRIPROXIFEN;PYRIPROXYFEN;NEMESIS(R);SUMILARV;2-(1-methyl-2-(4-phenoxyphenoxy)et
Cas:95737-68-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur 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
Pyriproxyfen CAS: 95737-68-1 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 organic intermediat
Cas:95737-68-1
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
Product Detail Minimum Order Qty. 10 Gram
Cas:95737-68-1
Min.Order:20 Metric Ton
Negotiable
Type:Trading Company
inquiry1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists
Cas:95737-68-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
Cas:95737-68-1
Min.Order:1 Kilogram
FOB Price: $80.0 / 100.0
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
Triumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Business Custom Synthesis: Trading(Raw Mater
Cas:95737-68-1
Min.Order:0 Metric Ton
FOB Price: $18.0 / 20.0
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:95737-68-1
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryBest quality/price/service Professional manufacturing FAO Standards Appearance:white to light yellow crystalline powder Package:Solid:50g,100g,200g,250g,400g,500g,1kg,10kg bag ,20kg, 25kg,40kg bag,50kg,600kg, 900kg; Aluminum Foil Bag,plastic b
Cas:95737-68-1
Min.Order:0 Metric Ton
Negotiable
Type:Trading Company
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:95737-68-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry2-chloropyridine
(R,S)-2-hydroxypropyl 4-phenoxyphenyl ether
pyriproxyfen
Conditions | Yield |
---|---|
With sodium hydroxide In N,N-dimethyl-formamide at 50 - 110℃; Solvent; Temperature; Reagent/catalyst; | 93.9% |
tetrafluoroboric acid diethyl ether
sodium tetrafluoroborate
thianthrene-5-oxide
pyriproxyfen
Conditions | Yield |
---|---|
Stage #1: tetrafluoroboric acid diethyl ether; thianthrene-5-oxide; pyriproxyfen With trifluoroacetic anhydride In acetonitrile at 0 - 25℃; for 3h; Sealed tube; Stage #2: sodium tetrafluoroborate In dichloromethane; water | 95% |
tetrafluoroboric acid diethyl ether
pyriproxyfen
Conditions | Yield |
---|---|
With 2,3,7,8-tetrafluorothianthrene; trifluoroacetic anhydride In acetonitrile at 0 - 25℃; regioselective reaction; | 92% |
tetrafluoroboric acid diethyl ether
sodium tetrafluoroborate
pyriproxyfen
Conditions | Yield |
---|---|
Stage #1: tetrafluoroboric acid diethyl ether; 2,3,7,8-tetrafluorothianthrene-S-oxide; pyriproxyfen With trifluoroacetic anhydride In acetonitrile at 0 - 25℃; for 3h; Sealed tube; Stage #2: sodium tetrafluoroborate In dichloromethane; water | 92% |
Conditions | Yield |
---|---|
at -78 - 20℃; Alkaline conditions; | 89% |
Stage #1: trifluoromethylsulfonic anhydride; pyriproxyfen In dichloromethane at -78℃; for 0.5h; Inert atmosphere; Stage #2: triphenylphosphine In dichloromethane at -78℃; for 0.5h; Inert atmosphere; Stage #3: With 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at -78 - 20℃; Inert atmosphere; regioselective reaction; | 61% |
acetophenone
pyriproxyfen
Conditions | Yield |
---|---|
Stage #1: pyriproxyfen With thianthrene-5-oxide; trifluoromethylsulfonic anhydride In acetonitrile at -20 - 20℃; for 0.666667h; Inert atmosphere; Schlenk technique; Stage #2: acetophenone With palladium diacetate; cesium fluoride; XPhos In N,N-dimethyl-formamide; acetonitrile at 80℃; for 11h; Inert atmosphere; Schlenk technique; regioselective reaction; | 84% |
trifluoromethylsulfonic anhydride
pyriproxyfen
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at -40 - 25℃; for 2h; Schlenk technique; Glovebox; Inert atmosphere; | 45% |
Conditions | Yield |
---|---|
Stage #1: 4-methylphenylboronic acid With copper(II) bis(trifluoromethanesulfonate) In toluene for 1h; Inert atmosphere; Glovebox; Stage #2: pyriproxyfen In toluene at 90℃; for 16h; Inert atmosphere; Sealed tube; | 6% |
Conditions | Yield |
---|---|
In water at 20 - 50℃; for 26h; |
pyriproxyfen
Conditions | Yield |
---|---|
With Chiralpak IC In water; acetonitrile at 15℃; Solvent; Reagent/catalyst; Resolution of racemate; |
pyriproxyfen
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: dichloromethane / 0.5 h / -78 °C / Inert atmosphere 1.2: 0.5 h / -78 °C / Inert atmosphere 1.3: -78 - 20 °C / Inert atmosphere 2.1: d(4)-methanol; water-d2; potassium carbonate / 2 h / 20 °C / Inert atmosphere View Scheme |
pyriproxyfen
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 2,3,7,8-tetrafluorothianthrene; trifluoroacetic anhydride / acetonitrile / 0 - 25 °C 2: bis-triphenylphosphine-palladium(II) chloride; potassium acetate / tetrahydrofuran / 50 °C View Scheme |
pyriproxyfen
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 2,3,7,8-tetrafluorothianthrene; trifluoroacetic anhydride / acetonitrile / 0 - 25 °C 2: bis-triphenylphosphine-palladium(II) chloride; potassium acetate / tetrahydrofuran / 50 °C View Scheme |
pyriproxyfen
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 2,3,7,8-tetrafluorothianthrene; trifluoroacetic anhydride / acetonitrile / 0 - 25 °C 2: copper(l) iodide; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; 4-methyl-morpholine / 1,4-dioxane / 40 °C View Scheme |
pyriproxyfen
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 2,3,7,8-tetrafluorothianthrene; trifluoroacetic anhydride / acetonitrile / 0 - 25 °C 2: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium carbonate / ethanol / 50 °C View Scheme |
pyriproxyfen
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 2,3,7,8-tetrafluorothianthrene; trifluoroacetic anhydride / acetonitrile / 0 - 25 °C 2: (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; 4-methyl-morpholine / 1,4-dioxane / 50 °C / 750.08 Torr View Scheme |
pyriproxyfen
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 2,3,7,8-tetrafluorothianthrene; trifluoroacetic anhydride / acetonitrile / 0 - 25 °C 2: tris(2,2-bipyridine)ruthenium(II) hexafluorophosphate; pyridine / acetonitrile / 22 °C / Irradiation View Scheme | |
Multi-step reaction with 2 steps 1: dichloromethane / 1 h / -40 - 20 °C 2: dmap; (4s,6s)-2,4,5,6-tetra(9H-carbazol-9-yl)isophthalonitrile / acetonitrile / 8 h / 20 °C / Irradiation; Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1: dichloromethane / 1.5 h / -40 - 20 °C / Schlenk technique; Inert atmosphere 2: palladium diacetate; XPhos; sodium pivalate / acetone; dichloromethane / 12 h / 20 °C / Inert atmosphere View Scheme |
pyriproxyfen
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 2,3,7,8-tetrafluorothianthrene; trifluoroacetic anhydride / acetonitrile / 0 - 25 °C 2: tris(2,2-bipyridine)ruthenium(II) hexafluorophosphate; pyridine; sodium iodide / acetonitrile / 22 °C / Irradiation View Scheme |
pyriproxyfen
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 2,3,7,8-tetrafluorothianthrene; trifluoroacetic anhydride / acetonitrile / 0 - 25 °C 2: tris(2,2-bipyridine)ruthenium(II) hexafluorophosphate; tetrakis(acetonitrile)copper(I)tetrafluoroborate / acetonitrile / 22 °C / Irradiation View Scheme |
pyriproxyfen
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 2,3,7,8-tetrafluorothianthrene; trifluoroacetic anhydride / acetonitrile / 0 - 25 °C 2: tris(2,2-bipyridine)ruthenium(II) hexafluorophosphate; tetrakis(acetonitrile)copper(I)tetrafluoroborate / acetonitrile / 22 °C / Irradiation View Scheme |
pyriproxyfen
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 2,3,7,8-tetrafluorothianthrene; trifluoroacetic anhydride / acetonitrile / 0 - 25 °C 2: tris(2,2-bipyridine)ruthenium(II) hexafluorophosphate; copper(l) chloride; tetrabutyl-ammonium chloride / acetonitrile / 22 °C / Irradiation View Scheme |
pyriproxyfen
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 2,3,7,8-tetrafluorothianthrene; trifluoroacetic anhydride / acetonitrile / 0 - 25 °C 2: tris(2,2-bipyridine)ruthenium(II) hexafluorophosphate; tetrakis(acetonitrile)copper(I)tetrafluoroborate; lithium iodide / acetonitrile; dimethyl sulfoxide / 22 °C / Irradiation View Scheme |
pyriproxyfen
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 2,3,7,8-tetrafluorothianthrene; trifluoroacetic anhydride / acetonitrile / 0 - 25 °C 2: palladium diacetate; triphenylphosphine; triethylamine / N,N-dimethyl-formamide / 100 °C View Scheme |
pyriproxyfen
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: -78 - 20 °C / Alkaline conditions 2: cobalt(III) acetylacetonate; C22H28N2O2; 1-methyl-1H-imidazole / tetrahydrofuran / 12 h / 23 °C View Scheme |
Conditions | Yield |
---|---|
In dichloromethane at -40 - 20℃; for 1h; | |
In dichloromethane at -40 - 20℃; Inert atmosphere; Schlenk technique; | |
In dichloromethane at -40 - 20℃; for 1.5h; Schlenk technique; Inert atmosphere; | |
In dichloromethane at -40 - 20℃; for 0.333333h; Schlenk technique; Inert atmosphere; regioselective reaction; |
pyriproxyfen
Conditions | Yield |
---|---|
With 3-chloro-benzenecarboperoxoic acid In dichloromethane at 20℃; for 18h; |
pyriproxyfen
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: dichloromethane / -40 - 20 °C / Inert atmosphere; Schlenk technique 2: sodium hydrogencarbonate; bis(tri-t-butylphosphine)palladium(0) / dichloromethane; acetone / 12 h / 50 °C / Inert atmosphere; Schlenk technique; Sealed tube View Scheme |
Conditions | Yield |
---|---|
With trifluoromethylsulfonic anhydride In nitromethane at -25 - 20℃; for 3.16667h; Inert atmosphere; |
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