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 services. DayangChem can provide different quantities of custom synthesis ch
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:139-40-2
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
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
1. 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:139-40-2
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:139-40-2
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
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:139-40-2
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
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:139-40-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
Cas:139-40-2
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:139-40-2
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
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:139-40-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry2,4-Bis(isopropylamino)-6-chloro-1,3,5-triazine CAS:139-40-2 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
Cas:139-40-2
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:139-40-2
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:139-40-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirysuperior quality Appearance:colourless powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Used as Pharmaceutical Intermediates Transportation:
Cas:139-40-2
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryBest quality/price/service Professional manufacturing FAO Standards Appearance:off-white powder Package:Solid:50g,100g,200g,250g,400g,500g,1kg,10kg bag ,20kg, 25kg,40kg bag,50kg,600kg, 900kg; Aluminum Foil Bag,plastic bag, fiber bag, fiber dru
Cas:139-40-2
Min.Order:0 Metric Ton
Negotiable
Type:Trading Company
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
Zibo 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:139-40-2
Min.Order:10 Gram
FOB Price: $100.0
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,
1.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:139-40-2
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
high 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
Cas:139-40-2
Min.Order:0
Negotiable
Type:Other
inquiryAcmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
Cas:139-40-2
Min.Order:1 bottle
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:139-40-2
Min.Order:0
Negotiable
Type:Manufacturers
inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
Ansciep 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:139-40-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirySupply top quality products with a reasonable price Application:api
Propazine cas 139-40-2Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:139-40-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:any port in China
Conditions | Yield |
---|---|
With sodium hydroxide In water; toluene at 5 - 50℃; | 98.8% |
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 20℃; for 72h; | 22.2 g |
Conditions | Yield |
---|---|
With sodium hydroxide |
dimethyl amine
propazine
2,4-Bisisopropylamino-6-dimethylamino-1,3,5-triazin
Conditions | Yield |
---|---|
With water; sodium carbonate for 1.5h; Heating; | 100% |
carbonic acid dimethyl ester
propazine
2-methylthio-4,6-bis(isopropylamino)-s-triazine
Conditions | Yield |
---|---|
With potassium tert-butylate; palladium diacetate; triphenylphosphine; potassium thioacetate In dimethyl sulfoxide at 120℃; Inert atmosphere; | 91% |
With potassium tert-butylate; palladium diacetate; triphenylphosphine; potassium thioacetate In dimethyl sulfoxide at 120℃; Schlenk technique; Inert atmosphere; | 91% |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran for 24h; Reflux; | 85% |
4-fluoroaniline
propazine
4,6-Di(isopropylamino)-6-(4-fluoranilino)-1,3,5-triazin
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide for 72h; Ambient temperature; | 78% |
ethanolamine
propazine
2-(4,6-Bis-isopropylamino-[1,3,5]triazin-2-ylamino)-ethanol
Conditions | Yield |
---|---|
With sodium methylate | 76% |
Conditions | Yield |
---|---|
In acetone at 45℃; for 48h; | 66% |
N,N-dimethyl-formamide
propazine
A
2,4-Bisisopropylamino-6-dimethylamino-1,3,5-triazin
B
2-cyanamino-4,6-bisisopropylamino-sym-triazine
Conditions | Yield |
---|---|
With disodium cyanamide In water at 135℃; for 0.5h; | A 65% B 11% |
disodium cyanamide
propazine
A
2,4-Bisisopropylamino-6-dimethylamino-1,3,5-triazin
B
2-cyanamino-4,6-bisisopropylamino-sym-triazine
Conditions | Yield |
---|---|
In water; N,N-dimethyl-formamide at 135℃; for 0.5h; | A 65% B 11% |
disodium cyanamide
propazine
2-cyanamino-4,6-bisisopropylamino-sym-triazine
Conditions | Yield |
---|---|
In water; dimethyl sulfoxide at 140℃; for 0.5h; | 64% |
meta-fluoroaniline
propazine
4,6-Di(isopropylamino)-6-(3-fluoranilino)-1,3,5-triazin
Conditions | Yield |
---|---|
In tetrahydrofuran for 48h; Heating; | 63% |
2-Fluoroaniline
propazine
4,6-Di(isopropylamino)-6-(2-fluoranilino)-1,3,5-triazin
Conditions | Yield |
---|---|
With copper at 150 - 200℃; | 58% |
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 3h; Alkaline conditions; | 51% |
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 3h; Alkaline conditions; | 8.8% |
Conditions | Yield |
---|---|
With potassium fluoride; perhydrodibenzo-18-crown-6 at 140℃; for 4h; |
Conditions | Yield |
---|---|
With iron In phosphate buffer at 22℃; pH=6.6; Kinetics; Dehalogenation; dealkylation; |
Conditions | Yield |
---|---|
With polymer (2-sulfoethyl methacrylate - methacrylic acid, In chloroform at 25℃; for 24h; |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 20℃; for 24h; | 27 g |
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 3h; Alkaline conditions; |
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 3h; Alkaline conditions; |
Conditions | Yield |
---|---|
at 120℃; for 24h; |
propazine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 24 h / 120 °C 2: methanol / 6 h / 20 °C 3: sodium tetrahydroborate / methanol / 36.5 h / 20 - 75 °C View Scheme |
propazine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 24 h / 120 °C 2: 24 h / 20 °C View Scheme |
propazine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 24 h / 120 °C 2: methanol / 6 h / 20 °C 3: sodium tetrahydroborate / methanol / 36.5 h / 20 - 75 °C 4: sodium tetrahydroborate / methanol / 15 h / 20 - 75 °C View Scheme |
Conditions | Yield |
---|---|
In n-heptane at 50℃; |
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