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:2469-99-0
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:2469-99-0
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryOur advantage:Our 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 Scient
Cas:2469-99-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be
Cas:2469-99-0
Min.Order:1 Kilogram
FOB Price: $30.0 / 40.0
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:2469-99-0
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryName: 3-oxobutyronitrile Synonyms: 1-(2,4-Dimethyl-5-{[4-(methylamino)-9,10-dioxo-9,10-dihydroanthracen-1-yl]amino}benzyl)-1,1-dimethylhydrazinium chloride CAS: 2469-99-0 MF: C4H5NO Appearance:White powder Storage:Store in cool and dry place, away
1.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:2469-99-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry3-Oxobutanenitrile CAS:2469-99-0 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 interm
Cas:2469-99-0
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:2469-99-0
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
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
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:2469-99-0
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryEstablished in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
Cas:2469-99-0
Min.Order:10 Gram
Negotiable
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:2469-99-0
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryHigh quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:2469-99-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryThe process is mature and can be mass produced to 100 kg, with good quality and purity up to 99%.The product has a large stock and can be supplied stably. Package:bottle Application:Drug R&D Transportation:Sealed drying(25℃) Port:ShangHai
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
Hangzhou Dingyan Chem 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 re
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:2469-99-0
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
Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as
1. Product advantages? High purity, all above 98.5%, no impurities after dissolution? We will test each batch to ensure quality? OEM and private brand services designed for free? Various cap colors available? We can also provide MT1 peptide powder2.
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
3-OxobutanenitrileAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical 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
Conditions | Yield |
---|---|
at 300℃; for 1h; Temperature; | 89% |
Conditions | Yield |
---|---|
With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78 - 20℃; for 2h; Reagent/catalyst; Inert atmosphere; | 87% |
With sodium amide; benzene | |
With sodium |
Conditions | Yield |
---|---|
With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78 - 20℃; for 2h; Reagent/catalyst; Inert atmosphere; | 85% |
With potassium 2-methylbutan-2-olate In tetrahydrofuran; toluene at 0 - 20℃; Inert atmosphere; | 81% |
With potassium tert-butylate In tetrahydrofuran at 20℃; | |
With potassium 2-methylbutan-2-olate In tetrahydrofuran; toluene at 0 - 20℃; for 78h; |
3-Amino-3-butennitril
Cyanoaceton
Conditions | Yield |
---|---|
With hydrogenchloride; water In water at 80℃; for 2h; | 76% |
With hydrogenchloride 1.) 15 min, 2.) O(CH2CH3)2, 3 d; Yield given. Multistep reaction; |
3-acetyl-5-methylisoxazole
Cyanoaceton
Conditions | Yield |
---|---|
With methanol; sodium for 5h; Heating; | 75% |
With sodium methylate In methanol at 20℃; |
5-methylisoxazole
N-Methoxy-N-methylacetamide
A
Cyanoaceton
B
3,5-dioxohexanenitrile
Conditions | Yield |
---|---|
With lithium diisopropyl amide In tetrahydrofuran at 0℃; for 1.25h; | A 7% B 73% |
Conditions | Yield |
---|---|
With sodium hydroxide; iron pentacarbonyl; tetra(n-butyl)ammonium hydrogensulfate In dichloromethane at 10℃; under 10 Torr; | 65% |
Conditions | Yield |
---|---|
With hydrogenchloride In water at 80℃; for 3h; | 53% |
With hydrogenchloride | |
With hydrogenchloride In diethyl ether at 0℃; |
Conditions | Yield |
---|---|
With hydrogenchloride In water at 80℃; for 3h; Inert atmosphere; | 49% |
With hydrogenchloride; water at 80℃; for 3h; | 48% |
Conditions | Yield |
---|---|
With hydrogenchloride; water at 80℃; for 3h; | 48% |
Conditions | Yield |
---|---|
In gas at 530℃; under 0.1 Torr; for 2.77778E-05h; Rate constant; Thermodynamic data; Kinetics; mechanism; Arrhenius parameters: log A, Ea; different temp., pressures, and times; | |
With sodium ethanolate | |
With potassium hydroxide |
Conditions | Yield |
---|---|
at 0 - 20℃; Geschwindigkeit des Uebergangs; |
Conditions | Yield |
---|---|
at 0 - 20℃; Geschwindigkeit des Uebergangs; |
Conditions | Yield |
---|---|
With sodium |
α-Cyan-acetessigsaeure
Cyanoaceton
Conditions | Yield |
---|---|
In water |
Conditions | Yield |
---|---|
(i) benzene, (ii) TsOH; Multistep reaction; |
Conditions | Yield |
---|---|
With sodium hydride In diethyl ether; ethanol Ambient temperature; overnight; |
Conditions | Yield |
---|---|
at 25.5℃; Rate constant; sowie bei 37.1grad und 41.75grad; |
Conditions | Yield |
---|---|
at 0 - 20℃; Geschwindigkeit des Uebergangs; |
hydrogenchloride
3-Aminocrotononitrile
A
Cyanoaceton
B
ammonia
Conditions | Yield |
---|---|
stable form; |
hydrogenchloride
N-(2-cyano-1-methyl-vinyl)-benzamide
A
Cyanoaceton
B
ammonia
C
benzoic acid
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide for 0.166667h; Heating; |
Conditions | Yield |
---|---|
Heating; neat (no solvent); |
Cyanoaceton
orthoformic acid triethyl ester
2-(ethoxymethylene)-3-oxobutane-nitrile
Conditions | Yield |
---|---|
With acetic anhydride for 2h; Reflux; Inert atmosphere; | 100% |
for 5h; Heating; | |
With acetic anhydride | |
With acetic anhydride at 95 - 115℃; for 1h; |
Cyanoaceton
4-fluorophenylhydrazine
1‐(4‐fluorophenyl)‐3‐methyl‐1H‐pyrazol‐5‐amine
Conditions | Yield |
---|---|
With acetic acid In ethanol Reflux; | 100% |
Cyanoaceton
cyclohexylhydrazine hydrochloride
1-cyclohexyl-3-methyl-1H-pyrazol-5-amine
Conditions | Yield |
---|---|
In ethanol for 18h; Reflux; | 99.2% |
With acetic acid In ethanol for 6h; Reflux; | 40% |
In ethanol Reflux; |
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; cerium(III) acetate; 2,3,6-trimethyl-beta-cyclodextrin In water at 100℃; for 10h; | 93% |
Pyruvic aldehyde dimethyl acetal
Cyanoaceton
2-acetyl-4,4-dimethoxy-3-methylbut-2-enenitrile
Conditions | Yield |
---|---|
With ammonium acetate; acetic acid In toluene at 80 - 85℃; for 2h; | 91% |
Cyanoaceton
2,3-dicyano-5,6-dichloro-p-benzoquinone
5-methylfuran-2,3,4-tricarbonitrile
Conditions | Yield |
---|---|
In acetonitrile at 20℃; Inert atmosphere; | 91% |
In ethyl acetate at 25℃; | 77% |
Conditions | Yield |
---|---|
With fluorescein free acid In acetonitrile at 20℃; UV-irradiation; | 91% |
With fluorescein In acetonitrile at 20℃; for 6h; Irradiation; | 91% |
Cyanoaceton
benzaldehyde
3-oxo-2-[1-phenylmeth-(E)-ylidene]butyronitrile
Conditions | Yield |
---|---|
With L-proline In ethanol at 20℃; for 24h; Knoevenagel condensation; | 90% |
1-(β,β-difluorovinyl)4-phenylbenzene
Cyanoaceton
Conditions | Yield |
---|---|
With copper(l) iodide; caesium carbonate In dimethyl sulfoxide at 120℃; Inert atmosphere; | 90% |
quinazolin-4-ylhydrazine
Cyanoaceton
3-methyl-1-(quinazolin-4-yl)-1H-pyrazol-5-amine
Conditions | Yield |
---|---|
In ethanol at 60℃; for 18h; | 89% |
In ethanol at 60℃; for 18h; | 89% |
Conditions | Yield |
---|---|
Stage #1: Cyanoaceton; C18H22O2 With C44H45O4P In chloroform at 0℃; for 72h; Stage #2: With toluene-4-sulfonic acid In chloroform for 4h; Reflux; enantioselective reaction; | 89% |
Conditions | Yield |
---|---|
With D-Prolin In methanol; ethanol at 20℃; for 48h; Knoevenagel Condensation; | 88.1% |
Cyanoaceton
ethanol
(3S)-2-ethyl-3-hydroxybutyronitrile
Conditions | Yield |
---|---|
In water for 48h; Ambient temperature; bakers' yeast, in solution of D-glucose; | 88% |
Conditions | Yield |
---|---|
In methanol for 2h; Solvent; Reflux; | 88% |
Conditions | Yield |
---|---|
With 1,10-Phenanthroline; water; palladium diacetate In N,N-dimethyl-formamide at 100℃; under 760.051 Torr; for 6h; | 87% |
Conditions | Yield |
---|---|
With piperidine; octasulfur In methanol at 55 - 65℃; for 24h; Gewald Aminoheterocycles Synthesis; | 86% |
With piperidine; sulfur at 55 - 65℃; for 24h; Gewald Aminoheterocycles Synthesis; |
Conditions | Yield |
---|---|
Stage #1: 2-amino-1-benzenesulfonic acid With hydrogenchloride; sodium hydroxide; sodium nitrite In water at 0 - 5℃; for 1h; Stage #2: Cyanoaceton With sodium acetate; sodium hydroxide In ethanol; water at 0℃; Japp-Klingemann Hydrazone Synthesis; | 86% |
Cyanoaceton
3-methyl-1-phenylpenta-3,4-dien-2-one
Conditions | Yield |
---|---|
With caesium carbonate In acetonitrile at 80℃; for 4h; | 85% |
Cyanoaceton
Conditions | Yield |
---|---|
Stage #1: Cyanoaceton; C18H22O3 With C44H45O4P In chloroform at 0℃; for 72h; Stage #2: With toluene-4-sulfonic acid In chloroform for 4h; Reflux; enantioselective reaction; | 85% |
Conditions | Yield |
---|---|
With D-Prolin In methanol; ethanol at 20℃; for 48h; Knoevenagel Condensation; | 84.6% |
Cyanoaceton
N,N-dimethyl-formamide dimethyl acetal
(E/Z)-2-((dimethylamino)methylene)-3-oxobutanenitrile
Conditions | Yield |
---|---|
at 25 - 80℃; for 1.5h; | 84% |
In tetrahydrofuran at 20℃; for 16h; Inert atmosphere; | 80% |
Conditions | Yield |
---|---|
With C33H28F5N3O2; potassium carbonate In toluene at 0℃; for 48h; enantioselective reaction; | 83% |
Conditions | Yield |
---|---|
With D-Prolin In methanol; ethanol at 20℃; for 48h; Knoevenagel Condensation; | 82.3% |
Cyanoaceton
4-hydrazinylisoquinoline
1-(isoquinolin-4-yl)-3-methyl-1H-pyrazol-5-amine
Conditions | Yield |
---|---|
In ethanol at 80℃; for 3h; | 81% |
Stage #1: Cyanoaceton; 4-hydrazinylisoquinoline In ethanol at 80℃; for 3h; Stage #2: With sodium hydroxide In ethanol; water at 80℃; for 1h; | 81% |
Cyanoaceton
1-chloro-4-(2,2-difluorovinyl)benzene
Conditions | Yield |
---|---|
With copper(l) iodide; caesium carbonate In dimethyl sulfoxide at 120℃; Inert atmosphere; | 81% |
carbon disulfide
Cyanoaceton
1,2,3-tribromopropane
2-(4-(bromomethyl)-1,3-dithiolan-2-ylidene)-3-oxobutanenitrile
Conditions | Yield |
---|---|
Stage #1: carbon disulfide; Cyanoaceton With potassium carbonate In N,N-dimethyl-formamide at 20℃; Stage #2: 1,2,3-tribromopropane In N,N-dimethyl-formamide at 0 - 20℃; Further stages.; | 80% |
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