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:3326-71-4
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:3326-71-4
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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:3326-71-4
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:3326-71-4
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
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:3326-71-4
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryFuran-2-carbohydrazide CAS:3326-71-4 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 int
Cas:3326-71-4
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:3326-71-4
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
Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Cas:3326-71-4
Min.Order:4 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryNewCan Biotech Limited was established in 2021 and is primarily engaged in the research, development, production, and sales of sugars, nucleosides, nucleotides, phosphorylated monomers, as well as next-generation antiviral and antitumor drug intermed
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:3326-71-4
Min.Order:0 Metric Ton
Negotiable
Type:Other
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:3326-71-4
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryFuran-2-carbohydrazide Basic information Product Name: Furan-2-carbohydrazide Synonyms: 2-furancarbohydrazonicacid;2-furancarbonylhydrazide;2-fur
Cas:3326-71-4
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryOur company focuses on the future and the world, and will continue to devote itself to technological progress and the development of new products in the future, hoping to work hand in hand with new and old friends at home and abroad to create a bett
Cas:3326-71-4
Min.Order:0 Metric Ton
Negotiable
Type:Trading Company
inquiryWe Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O
Stock products, own laboratoryAppearance:White to off-white crystalline powder Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:3326-71-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
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:3326-71-4
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
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:3326-71-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe 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
Furan-2-carbohydrazide cas 3326-71-4Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Best quality with low priceAppearance:Beige crystals Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
Conditions | Yield |
---|---|
With hydrazine hydrate In ethanol for 8h; Reflux; | 83% |
With hydrazine hydrate In ethanol for 5h; Heating; | 75% |
With hydrazine hydrate In ethanol for 5h; Heating; | 75% |
Conditions | Yield |
---|---|
With hydrazine hydrate In ethanol Reflux; Inert atmosphere; | 80% |
With hydrazine hydrate | 66% |
With hydrazine hydrate |
Conditions | Yield |
---|---|
With hydrazine hydrate for 0.0472222h; Microwave irradiation; | 80% |
With hydrazine hydrate; triethylamine; fluoro-N,N,N',N'-tetramethylformamidinium hexafluorophosphate In N,N-dimethyl-formamide at 0 - 20℃; for 0.833333h; | |
Stage #1: 2-furanoic acid With sulfuric acid In ethanol Stage #2: With hydrazine hydrate |
Conditions | Yield |
---|---|
With hydrazine hydrate |
2-furoic acid hydrazide
Conditions | Yield |
---|---|
With hydrazine hydrate |
N'-[benz-(E)-ylidene]furan-2-ylcarbohydrazide
2-furoic acid hydrazide
Conditions | Yield |
---|---|
With water In phosphate buffer; ethanol at 25℃; pH=2.47; Kinetics; Further Variations:; pH-values; Reagents; | |
In phosphate buffer; ethanol pH=2.47; Kinetics; Further Variations:; pH-values; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: H2SO4 2: H2NNH2*H2O View Scheme |
Conditions | Yield |
---|---|
With pyridine; hydrazine In tetrahydrofuran at 0 - 50℃; for 2h; | |
Multi-step reaction with 2 steps 1: Reflux 2: hydrazine hydrate View Scheme | |
Multi-step reaction with 2 steps 1: triethylamine / 1 h / 20 °C / Inert atmosphere 2: hydrazine hydrate / methanol / 3 h / Reflux View Scheme |
N'-[benz-(E)-ylidene]furan-2-ylcarbohydrazide
A
2-furoic acid hydrazide
B
benzaldehyde
Conditions | Yield |
---|---|
With water In ethanol pH=2.47; Rate constant; Phosphoric acid buffer; | |
With water In ethanol pH=4.48; Rate constant; Citric acid buffer; |
A
(E)-3-phenylpropenal
B
2-furoic acid hydrazide
Conditions | Yield |
---|---|
With water In ethanol pH=2.47; Rate constant; Phosphoric acid buffer; | |
With water In ethanol pH=4.48; Rate constant; Citric acid buffer; |
Conditions | Yield |
---|---|
With water In ethanol pH=2.47; Rate constant; Phosphoric acid buffer; |
2-furoic acid hydrazide
Conditions | Yield |
---|---|
In phosphate buffer; ethanol pH=2.47; Kinetics; Further Variations:; pH-values; |
2-furoic acid hydrazide
Conditions | Yield |
---|---|
In phosphate buffer; ethanol pH=2.47; Kinetics; Further Variations:; pH-values; |
C10H14N2O4
2-furoic acid hydrazide
Conditions | Yield |
---|---|
With hydrogenchloride In 1,4-dioxane at 20℃; |
furan-2-carboxylic acid amide
propan-2-one azine
2-furoic acid hydrazide
Conditions | Yield |
---|---|
With water at 100 - 120℃; | 119.6 g |
Conditions | Yield |
---|---|
100% |
2-furoic acid hydrazide
2-(phenylsulfonyl)-ethanimidic acid ethyl ester hydrochloride
Conditions | Yield |
---|---|
Stage #1: 2-(phenylsulfonyl)-ethanimidic acid ethyl ester hydrochloride With sodium hydroxide In chloroform; water Stage #2: 2-furoic acid hydrazide In chloroform at 50℃; for 24h; | 100% |
2-furoic acid hydrazide
2-amino-4,6-dichloropyrimidine-5-carboxaldehyde
furan-2-carboxylic acid N-(2-amino-6-chloro-5-formylpyrimidin-4-yl)-hydrazide
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 70℃; for 2h; | 99% |
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 70℃; for 2h; | 99% |
With TEA In tetrahydrofuran for 2h; Heating; | 82% |
2-furoic acid hydrazide
acetylacetone
(3,5-dimethyl-1H-pyrazol-1-yl)(furan-2-yl)methanone
Conditions | Yield |
---|---|
In neat (no solvent) at 120℃; for 0.166667h; Microwave irradiation; | 99% |
With cellulose sulfuric acid In water at 20℃; for 0.1h; Knorr Pyrazole Synthesis; Green chemistry; regioselective reaction; | 93% |
polystyrene supported sulfonic acid In water at 20℃; for 0.0333333h; | 92% |
Conditions | Yield |
---|---|
With potassium carbonate In tetrahydrofuran; water | 98% |
2-furoic acid hydrazide
3-chloropentane-2,4-dione
(4-chloro-3,5-dimethyl-1H-pyrazol-1-yl)(furan-2-yl)methanone
Conditions | Yield |
---|---|
In neat (no solvent) at 120℃; for 0.166667h; Microwave irradiation; | 98% |
polystyrene supported sulfonic acid In water at 20℃; for 0.0333333h; | 85% |
With tetrafluoroboric acid; water In acetonitrile at 20℃; for 4h; | 74% |
With cellulose sulfuric acid In water at 20℃; for 0.25h; Knorr Pyrazole Synthesis; Green chemistry; regioselective reaction; | 70% |
2-furoic acid hydrazide
Cyclohexyl isocyanide
dimethyl acetylenedicarboxylate
dimethyl 1-(1,2-bis(methoxycarbonylvinyl))-5-cyclohexylamino-2-(2-furyl)-2,3-dihydro-1H-pyrazole-3,4-dicarboxylate
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 24h; Michael Addition; | 98% |
Conditions | Yield |
---|---|
In propan-1-ol for 2h; Reflux; | 98% |
In methanol for 2h; Reflux; |
2-furoic acid hydrazide
3-ethyl-2,4-pentanedione
(4-ethyl-3,5-dimethyl-1H-pyrazol-1-yl)(furan-2-yl)methanone
Conditions | Yield |
---|---|
In neat (no solvent) at 120℃; for 0.25h; Microwave irradiation; | 97% |
polystyrene supported sulfonic acid In water at 20℃; for 0.0333333h; | 88% |
Conditions | Yield |
---|---|
In methanol for 2h; Reflux; | 97% |
Conditions | Yield |
---|---|
In ethanol for 2h; Reflux; | 96.9% |
In ethanol for 1h; Heating; | 70% |
In ethanol Reflux; | |
In ethanol for 5h; Reflux; |
Conditions | Yield |
---|---|
In ethanol for 2h; Reflux; | 96.5% |
2-furoic acid hydrazide
4-nitrobenzaldehdye
furan-2-carboxylic acid N'-(4-nitrobenzylidene)hydrazide
Conditions | Yield |
---|---|
In ethanol for 2h; Reflux; | 96.24% |
In ethanol Heating; | 86% |
furfural
2-furoic acid hydrazide
furan-2-carboxylic acid N'-(furan-2-ylmethylene)hydrazide
Conditions | Yield |
---|---|
In ethanol for 0.5h; heating on a steam bath; | 96% |
In ethanol for 2h; Reflux; | 77.73% |
In ethanol for 24h; Reflux; | 57% |
Conditions | Yield |
---|---|
With hydrogenchloride In ethanol for 2h; Reflux; | 96% |
In ethanol for 24h; Reflux; | 68% |
With formic acid In dimethyl sulfoxide |
2-furoic acid hydrazide
8-acetyl-7-hydroxycoumarin
8-{1-[(2-furylcarbonyl)hydrazono]ethyl}-7-hydroxy-2H-1-benzopyran-2-one
Conditions | Yield |
---|---|
In propan-1-ol for 24h; Reflux; | 96% |
(2E)-1-(4-chlorophenyl)-3-(2-furyl)prop-2-en-1-one
2-furoic acid hydrazide
Conditions | Yield |
---|---|
With acetic acid In ethanol Reflux; | 96% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In ethanol; water at 20℃; for 1.16667h; Sonication; | 96% |
2-furoic acid hydrazide
5-nitrofurane-2-carboxaldehyde
furan-2-carboxylic acid N'-(5-nitrofuran-2-ylmethylene)hydrazide
Conditions | Yield |
---|---|
In ethanol Heating; | 95% |
In ethanol for 2h; Reflux; | 68.22% |
Conditions | Yield |
---|---|
In benzene for 6h; Heating; | 95% |
2-furoic acid hydrazide
2-amino-6-bromopurine
Conditions | Yield |
---|---|
In butan-1-ol at 120℃; | 95% |
Conditions | Yield |
---|---|
In methanol for 3h; Heating / reflux; | 95% |
2-furoic acid hydrazide
4-(ethoxymethylene)amino-3-ethyl-2-thioxo-2,3-dihydro-1,3-thiazole-5-carbonitrile
furan-2-carboxylic acid (3-ethyl-7-imino-2-thioxo-3,7-dihydro-2H-thiazolo[4,5-d]pyrimidin-6-yl)-amide
Conditions | Yield |
---|---|
With triethylamine In ethanol at 20℃; for 12h; | 95% |
With triethylamine In ethanol at 24℃; for 19h; | 95% |
2-furoic acid hydrazide
Cyclohexyl isocyanide
acetylenedicarboxylic acid diethyl ester
diethyl 1-[1,2-bis(ethoxycarbonyl)vinyl]-5-cyclohexylamino-2-(2-furyl)-2,3-dihydro-1H-pyrazole-3,4-dicarboxylate
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 24h; Michael Addition; | 95% |
2-furoic acid hydrazide
(E)-3-(furan-2-yl)-1-(4-methoxyphenyl)prop-2-en-1-one
Conditions | Yield |
---|---|
With acetic acid In ethanol Reflux; | 95% |
thiophene-2-carbaldehyde
2-furoic acid hydrazide
2-(2-furyl)-5-(2-thienyl)-1,3,4-oxadiazole
Conditions | Yield |
---|---|
With hydrogenchloride In ethanol for 2h; Reflux; | 95% |
Multi-step reaction with 2 steps 1: hydrogenchloride / ethanol / 2 h / Reflux 2: 2,3-dicyano-5,6-dichloro-p-benzoquinone / toluene / Reflux View Scheme |
2-furoic acid hydrazide
4-(Diethylamino)salicylaldehyde
Conditions | Yield |
---|---|
In methanol for 6h; Reflux; | 95% |
Conditions | Yield |
---|---|
In methanol at 37℃; for 1h; | 95% |
Conditions | Yield |
---|---|
In methanol at 37℃; for 1h; | 95% |
2-hydroxy-5-methoxybenzaldehyde
2-furoic acid hydrazide
isatoic anhydride
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In ethanol; water at 20℃; for 1.16667h; Sonication; | 95% |
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