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:2390-59-2
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:2390-59-2
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:2390-59-2
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:2390-59-2
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:2390-59-2
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
WITH 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:2390-59-2
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
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:2390-59-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryETHYL VIOLET CAS:2390-59-2 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 high quality organic intermediate
Cas:2390-59-2
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:2390-59-2
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:2390-59-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:2390-59-2
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
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:2390-59-2
Min.Order:10 Gram
FOB Price: $100.0
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:2390-59-2
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
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:2390-59-2
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:2390-59-2
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquirySAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in
Cas:2390-59-2
Min.Order:0 Metric Ton
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:2390-59-2
Min.Order:1 Metric Ton
FOB Price: $1.0
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
Acmec 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:2390-59-2
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
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
Cas:2390-59-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryGOLDEN PHARMA CO.,LIMITED.?is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production.Currently our major business is101.Contract manufacturing in hormones and steriods(such as medroxyprogesterone
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:2390-59-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAmoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi
We product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Chemical intermediate
Cas:2390-59-2
Min.Order:0
Negotiable
Type:Trading Company
inquiry4-(4-(diethylamino)benzyl)-N,N-diethylbenzenamine
N,N-diethylaniline
ethyl violet
Conditions | Yield |
---|---|
Stage #1: 4-(4-(diethylamino)benzyl)-N,N-diethylbenzenamine; N,N-diethylaniline With chloranil; acetic acid In chloroform at 65℃; for 6h; Stage #2: With hydrogenchloride In water at 80℃; | 91.3% |
With copper(I) sulfate; copper(II) sulfate |
tetrachloromethane
N,N-diethylaniline
A
ethyl violet
B
bis[4-(diethylamino)phenyl][4-(diethylammonio)phenyl]methylium
Conditions | Yield |
---|---|
With aluminium trichloride at 70 - 80℃; dann auf 100-110grad; |
Conditions | Yield |
---|---|
With zinc(II) chloride at 50℃; | |
With aluminium trichloride at 20 - 30℃; |
Conditions | Yield |
---|---|
With chlorinated chlorocarbonic acid ester | |
With phosgene | |
With aluminium trichloride | |
With phosphorus trichloride |
Conditions | Yield |
---|---|
With zinc(II) chloride | |
With zinc(II) chloride |
Conditions | Yield |
---|---|
In water Equilibrium constant; |
ethyl violet
Conditions | Yield |
---|---|
With dimethyl sulfoxide |
Conditions | Yield |
---|---|
With hydroxide In water Equilibrium constant; Rate constant; | |
With sodium hydroxide In water at 25℃; Kinetics; Concentration; Micellar solution; |
ethyl violet
A
4,4'-bis(diethylamino)benzophenone
B
leuco ethyl crystal violet
Conditions | Yield |
---|---|
Stage #1: ethyl violet; bovine serum albumin In phosphate buffer at 20℃; pH=7.3; Noncovalent binding generation; Irradiation; Stage #2: In phosphate buffer at 20℃; pH=7.3; Oxidation; Reduction; Photolysis; Title compound not separated from byproducts; |
Conditions | Yield |
---|---|
In water pH=10; |
Conditions | Yield |
---|---|
Stage #1: ethyl violet at 75℃; for 2h; Stage #2: C34H26N6O8S2(2-)*2Na(1+) In water at 75℃; for 2h; | 55.1 g |
Conditions | Yield |
---|---|
Stage #1: ethyl violet at 75℃; for 2h; Stage #2: Acid Red 97 disodium salt In water at 50 - 75℃; for 2h; | 52.3 g |
Conditions | Yield |
---|---|
Stage #1: ethyl violet at 75℃; for 2h; Stage #2: metanil yellow In water at 75℃; for 2h; | 29 g |
ethyl violet
Conditions | Yield |
---|---|
With sodium borodeuteride In N,N-dimethyl-formamide for 2h; Reagent/catalyst; | 6 g |
ethyl violet
bis(trifluoromethane)sulfonimide lithium
Conditions | Yield |
---|---|
In chloroform; water at 20℃; for 2h; |
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