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:624-80-6
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
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:624-80-6
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1. 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 ♦ W
Cas:624-80-6
Min.Order:1 Kilogram
FOB Price: $290.0 / 499.0
Type:Trading Company
inquiry1. Best prices with satisfied quality; 2. It's clients' right to choose the package's Courier (EMS, DHL, FedEx, UPS); 3.It's clients' right to choose the packing way for his produccts from many recent effective packing ways;
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
Henan 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
Zhenyu 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:624-80-6
Min.Order:1 Kilogram
FOB Price: $2.0
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
Our own factory produces direct sales with absolute price advantage Application:Pharmaceutical industry Transportation:By sea Port:Shanghai/tianjin
ETHYLHYDRAZINEAppearance: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?sale Application:Fine chemical intermediates, used as the main raw material for the synthesis of various pesticides, medicines, surfactants, polymer monomers, and antifungal agents
Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP
1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G
Cas:624-80-6
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryWatson International Ltd' has a very strong R&D and technical capacity supported by FCAD's platform. The subsidiaries under FCAD Group have accumulated much know-how of different fine chemical branches. For example, Apnoke Scientific L
in stock Assay:99% white powder dentification(HPLC) :The retention time of the major peak in the chromatogram of the assay preparation corresponds to that in the chromatogram of the Conformal standard preparation, as obtained in the ass
Compound sourcing ServicesAgency of testing serviceFactory audit serviceFounded in Dec. 1999, Nanjing Chemlin Chemical Industrial Co.,Ltd(CHEMLIN) has been covering the business scope from trading of chemicals to custom-synthesis & Manufacturing. Co
United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
At 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
FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the ETHYLHYDRAZINE, CAS:624-80-6 with the most competitive price and the best quality. We
Manufacturer,strong R&D,professional team Storage:Store in a cool, dry place. Store in a tightly closed container. Package:according to your requirement Application:ZhiShang Chemical is owned by ZhiShang Group, is a professional new-type chemicals en
Conditions | Yield |
---|---|
With sodium hydrazide; benzene | |
With hydrazine hydrate | |
With hydrazine In ethanol at 30℃; for 2h; |
Conditions | Yield |
---|---|
With hydrazine |
ethylnitramine
ethylhydrazine
Conditions | Yield |
---|---|
With hydrogenchloride; zinc |
Conditions | Yield |
---|---|
With sodium hydroxide |
N-nitroso-1,3-diethylurea
ethylhydrazine
Conditions | Yield |
---|---|
With ethanol; zinc ueber mehrere Stufen; |
Conditions | Yield |
---|---|
With chloroamine |
(E)-diethyldiazene N,N'-dioxide
ethylhydrazine
Conditions | Yield |
---|---|
(i) H2, Pd-C, MeOH, (ii) HCl, Et2O; Multistep reaction; |
N-Aethyl-N'-hydroxyharnstoff-O-sulfonsaeure
ethylhydrazine
Conditions | Yield |
---|---|
With sodium hydroxide |
diphenylphosphinic α-ethylhydrazide
ethylhydrazine
Conditions | Yield |
---|---|
With hydrogenchloride Heating; |
Conditions | Yield |
---|---|
With 1,2-di(benzylidene)hydrazine |
Conditions | Yield |
---|---|
With sodium tetrahydroborate |
Conditions | Yield |
---|---|
Conditions | Yield |
---|---|
Conditions | Yield |
---|---|
With potassium hydroxide |
Conditions | Yield |
---|---|
hydrogenchloride
2,4-diethyl semicarbazide
A
ethylhydrazine
B
carbon dioxide
C
ethylamine
Conditions | Yield |
---|---|
Conditions | Yield |
---|---|
at 150℃; im Stahlautoklaven erfolgt Zersetzung; |
ethanol
N-ethyl-N-nitroso-N'-phenyl-urea
acetic acid
A
ethylhydrazine
B
carbon dioxide
C
aniline
Conditions | Yield |
---|---|
und Erhitzen des erhaltenen 2-Aethyl-4-phenyl-harnstoffs mit rauchender Salzsaeure auf 100grad; |
2-ethyl-4-phenyl thiosemicarbazide
A
ethylhydrazine
B
phenyl isothiocyanate
Conditions | Yield |
---|---|
Conditions | Yield |
---|---|
Conditions | Yield |
---|---|
Conditions | Yield |
---|---|
With hydrogenchloride; sodium perchlorate; chloramine-B; ruthenium trichloride at 30℃; Kinetics; Further Variations:; pH-values; reag. conc.; |
Conditions | Yield |
---|---|
With sodium hydroxide In water pH=9.5; |
ethylhydrazine
Conditions | Yield |
---|---|
With palladium on activated charcoal; hydrogen In methanol at 20℃; for 3h; |
ethylhydrazine
2,2-dimethyl-5-(1-hydroxy-3-oxobutylidene)-1,3-dioxane-4,6-dione
5-(2-ethyl-5-methyl-2H-pyrazol-3-yl)-2,2-dimethyl-[1,3]dioxane-4,6-dione
Conditions | Yield |
---|---|
With triethylamine In methanol at 0 - 60℃; for 1.75h; | 100% |
With triethylamine In methanol at 60℃; |
(3Z)-3-(4-methoxyphenylmethylidene)-2-benzofuran-1(3H)-one
ethylhydrazine
Conditions | Yield |
---|---|
99% |
Conditions | Yield |
---|---|
In methanol; water at 0 - 20℃; for 2.75h; | 99% |
Conditions | Yield |
---|---|
With sodium hypochlorite; salicylic acid at 80℃; for 18h; pH=3-4; Concentration; Temperature; Reagent/catalyst; | 98.2% |
ethylhydrazine
5,8-dichloro-2,3-diacyanoquinoxaline
3-amino-5,8-dichloro-1-ethylflavazole
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 20℃; | 96% |
ethyl 2-(ethoxymethylidene)-4,4,4-trifluoro-3-oxobutanoate
ethylhydrazine
ethyl 1-ethyl-3-trifluoromethylpyrazole-4-carboxylate
Conditions | Yield |
---|---|
In water; toluene at 5℃; for 4h; | 95.3% |
ethylhydrazine
Conditions | Yield |
---|---|
In water; toluene at 5℃; for 4h; | 95.1% |
ethylhydrazine
Conditions | Yield |
---|---|
In 1,4-dioxane for 2h; Substitution; Heating; | 92% |
ethylhydrazine
Conditions | Yield |
---|---|
In toluene | 92% |
ethylhydrazine
Conditions | Yield |
---|---|
92% |
ethylhydrazine
4-Methoxy-8-hydroxynaphthyl methyl ketone
1-ethyl-3-methyl-6-methoxy-1H-1,2-diazaphenalene
Conditions | Yield |
---|---|
In ethanol for 2.5h; Reflux; | 92% |
Conditions | Yield |
---|---|
With acetic acid In methanol for 6h; Reflux; | 92% |
ethylhydrazine
(+)-(1S,3R)-2,2-dimethyl-3-(2-acetyl-3-oxobutyl)cyclopropanecarboxylic acid methyl ester
methyl 1S-cis-2,2-dimethyl-3-<(1-ethyl-3,5-dimethyl-4-pyrazolyl)methyl>cyclopropanecarboxylate
Conditions | Yield |
---|---|
In ethanol at 78℃; for 10h; | 91% |
With aluminum oxide at 20℃; for 5h; | 91% |
With aluminum oxide In ethanol for 0.5h; Irradiation; | 91% |
ethylhydrazine
2,2-dichlorovinyl 4-nitrophenyl ketone
Conditions | Yield |
---|---|
With triethylamine In diethyl ether | 91% |
With triethylamine In ethanol for 4h; | 91% |
With triethylamine In ethanol for 3h; | 91% |
ethylhydrazine
2-chloro-3-(β-p-methylbenzoylethyl)naphtho<1,2-d>imidazole
11-Ethyl-9-p-tolyl-8,11-dihydro-7H-6b,10,11,12-tetraaza-naphtho[2,1-a]azulene
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide Heating; | 90% |
ethylhydrazine
chloromethyl β,β-dichlorovinyl ketone
Conditions | Yield |
---|---|
With triethylamine In diethyl ether | 90% |
3-(dimethylamino)-1-(4-fluorophenyl)prop-2-en-1-one
ethylhydrazine
1-ethyl-5-(4-fluorophenyl)-1H-pyrazole
Conditions | Yield |
---|---|
With triethylamine; trifluoroacetic acid In isopropyl alcohol at 80℃; for 7h; | 90% |
ethylhydrazine
p-fluorobenzoylacetone
1-ethyl-5-(4-fluorophenyl)-3-methyl-1H-pyrazole
Conditions | Yield |
---|---|
With triethylamine; trifluoroacetic acid In isopropyl alcohol at 80℃; for 1h; | 90% |
ethylhydrazine
Conditions | Yield |
---|---|
With acetic acid In ethanol Reflux; regioselective reaction; | 90% |
ethylhydrazine
4-Hydroxy-4-methyl-2-pentanone
Diacetone alcohol monoethylhydrazone
Conditions | Yield |
---|---|
In benzene 1) mixing below 15 deg C, 2) room temp., 1 h.; | 89% |
ethylhydrazine
1,1,1-trifluoro-4-phenylbut-3-yn-2-one
Conditions | Yield |
---|---|
With silver trifluoromethanesulfonate In chloroform at 20℃; for 1h; Sealed tube; regioselective reaction; | 89% |
ethylhydrazine
1,1,1-trifluoro-4,4-dibromo-3-buten-2-one
Conditions | Yield |
---|---|
With triethylamine In diethyl ether | 88% |
In diethyl ether Heating; | 85% |
With triethylamine In ethanol for 3h; Reflux; chemoselective reaction; | 49% |
ethylhydrazine
N,N-dimethyl-formamide dimethyl acetal
6-bromo-1-methyl-2,2-dioxo-2,3-dihydro-1H-2λ(6)-benzo[c][1,2]thiazin-4-one
8-bromo-1-ethyl-5-methyl-1,5-dihydropyrazolo[4,3-c][2,1]benzothiazine 4,4-dioxide
Conditions | Yield |
---|---|
Stage #1: N,N-dimethyl-formamide dimethyl acetal; 6-bromo-1-methyl-2,2-dioxo-2,3-dihydro-1H-2λ(6)-benzo[c][1,2]thiazin-4-one In tetrahydrofuran at 0 - 20℃; for 3h; Stage #2: ethylhydrazine In ethanol for 0.5h; Reflux; | 88% |
ethylhydrazine
2-Chloro-quinoline-4-carboxylic acid (2,4-dichloro-phenyl)-amide
Conditions | Yield |
---|---|
In 1,4-dioxane for 2h; Substitution; Heating; | 87% |
3-chloroquinoxaline 1-oxide
ethylhydrazine
3-(1-ethylhydrazino)quinoxaline 1-oxide
Conditions | Yield |
---|---|
With triethylamine In ethanol for 1h; Condensation; Heating; | 87% |
Conditions | Yield |
---|---|
With copper(l) iodide; 1,10-Phenanthroline; caesium carbonate In N,N-dimethyl-formamide at 60℃; for 12h; | 86% |
Conditions | Yield |
---|---|
In benzene 1) mixing below 15 deg C, 2) room temp., 1 h.; | 85% |
ethylhydrazine
Conditions | Yield |
---|---|
With acetic acid In ethylene glycol for 0.333333h; Heating; | 85% |
ethylhydrazine
Conditions | Yield |
---|---|
In 1,4-dioxane for 2h; Heating; | 85% |
ethylhydrazine
(2-chloroquinolin-4-yl)(piperidin-1-yl)methanone
Conditions | Yield |
---|---|
In 1,4-dioxane for 2h; Substitution; Heating; | 85% |
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