Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
Cas:89-01-0
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryAs 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
Cas:89-01-0
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:89-01-0
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryUnique advantages for 2,3-Pyrazinedicarboxylic Acid Cas 89-01-0 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Powder Storage:Store at room Package:1kg/bag,25kg/drum or as y
Cas:89-01-0
Min.Order:1 Kilogram
FOB Price: $55.0 / 230.0
Type:Trading Company
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
Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
Cas:89-01-0
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
inquiry
Cas:89-01-0
Min.Order:1 Metric Ton
FOB Price: $1.0
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:89-01-0
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
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:89-01-0
Min.Order:1 Kilogram
FOB Price: $100.0 / 150.0
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:89-01-0
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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:89-01-0
Min.Order:10 Kilogram
FOB Price: $40.0 / 50.0
Type:Trading Company
inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
Cas:89-01-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryProduct Name: 2,3-Pyrazinedicarboxylic acid CAS: 89-01-0 MF: C6H4N2O4 MW: 168.11 EINECS: 201-875-3 Product Categories: Carboxylic Acids;Pyrazines, Pyrimidines & Pyridazines;Pyrazine;Organic acids;Pyrazines;Pyrazinecarboxylic Acid & Der
About Product Details
Cas:89-01-0
Min.Order:1 Kilogram
FOB Price: $3.0 / 10.0
Type:Lab/Research institutions
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:white crystalline powder Storage:Store in sealed containers
Cas:89-01-0
Min.Order:100 Gram
Negotiable
Type:Other
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:89-01-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Name: 2,3-Pyrazinedicarboxylic acid MF: C6H4N2O4 MW: 168.11 Mol File: 89-01-0.mol 2,3-Pyrazinedicarboxylic acid Structure 2,3-Pyrazinedicarboxylic acid Chemical Properties Melting point 188 °C (dec.) (lit.) Boiling point
Cas:89-01-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present
Cas:89-01-0
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry2,3-Pyrazinedicarboxylic acid CAS:89-01-0 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 organi
Cas:89-01-0
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:89-01-0
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
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
1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures
Cas:89-01-0
Min.Order:1 Kilogram
FOB Price: $30.0 / 50.0
Type:Lab/Research institutions
inquiryName 2,3-Pyrazinedicarboxylic acid Synonyms Pyrazine-2,3-dicarboxylic acid Molecular Structure Molecular For
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
Cas:89-01-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryMassive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
Cas:89-01-0
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
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:89-01-0
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:89-01-0
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryProduct name: Pyrazine-2,3-Dicarboxylic Acid CAS No.:89-01-0 Molecule Formula:C6H2N2O4 Molecule Weight:166.09 Purity: 99.0% Package: 25kg/drum Description:White or off-white powder Manufacture Standards:Enterprise Standard TESTIN
Cas:89-01-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:89-01-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquirypyrazine-2,3-dicarboxylatocopper(II)
2,3-dicarboxypyrazine
Conditions | Yield |
---|---|
With water; sodium hydroxide at 90℃; for 2h; | 73% |
Conditions | Yield |
---|---|
With potassium permanganate In water at 95℃; | 71% |
With potassium hydroxide; potassium permanganate | |
With water; permanganate(VII) ion |
Conditions | Yield |
---|---|
With sodium hydroxide In methanol 1) 50 deg C, 30 min, 2) relux, 3h; | 70% |
2,3-dicarboxypyrazine
Conditions | Yield |
---|---|
With potassium hydroxide In 1,4-dioxane; water for 48h; Heating; | 56.3% |
pyrazine-2,3-dicarbonitrile
2,3-dicarboxypyrazine
Conditions | Yield |
---|---|
With potassium hydroxide; dihydrogen peroxide | 40.3% |
beim Verseifen; | |
With sodium peroxide | |
Multi-step reaction with 2 steps 1: methanol / 20 °C 2: water / Reflux View Scheme | |
Multi-step reaction with 5 steps 1: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5 2: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5 3: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5 4: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5 5: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5 View Scheme |
3-cyanopyrazine-2-carboxamide
2,3-dicarboxypyrazine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5 2: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5 3: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5 4: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5 View Scheme |
3-cyanopyrazine-2-carboxylic acid
2,3-dicarboxypyrazine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5 2: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5 3: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5 View Scheme |
3-amidecarbonylpyrazine-2-carboxylic acid
2,3-dicarboxypyrazine
Conditions | Yield |
---|---|
With K3Na[Mo(CN)4O2]·6H2O In ethanol; water at 39.84℃; pH=8.5; |
2,3-dicarboxypyrazine
Conditions | Yield |
---|---|
With water Reflux; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5 2: K3Na[Mo(CN)4O2]·6H2O / ethanol; water / 39.84 °C / pH 8.5 View Scheme |
methanol
2,3-dicarboxypyrazine
pyrazine-2,3-dicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
With hydrogenchloride In isopropyl alcohol for 24h; Heating; | 100% |
hydrogenchloride In water for 16h; pH=2; Heating / reflux; | 100% |
With thionyl chloride for 5h; Heating; | 91% |
2,3-dicarboxypyrazine
2,3-Pyrazindicarbonsaeure-dichlorid
Conditions | Yield |
---|---|
With thionyl chloride; N,N-dimethyl-formamide for 5h; Reflux; | 100% |
With thionyl chloride; N,N-dimethyl-formamide for 5h; Reflux; | 100% |
With phosphorus pentachloride at 180℃; for 2h; | 29% |
With thionyl chloride for 18h; Reflux; | |
With thionyl chloride In N,N-dimethyl-formamide for 5h; Reflux; |
Conditions | Yield |
---|---|
With piperazine at 60℃; | 100% |
Conditions | Yield |
---|---|
for 0.0333333h; Microwave irradiation; | 98% |
Conditions | Yield |
---|---|
In water hot soln. of metal nitrate added to hot soln. of carboxylic acid and hydrazine hydrate with stirring; pptd. after 1 h, digested for 1 h, isolated, washed with water-alcohol, diethyl ether, dried under vac., elem. anal., powder XRD; | 97% |
Conditions | Yield |
---|---|
In water soln. of the acid in H2O added to a suspn. of Bi2O3 in H2O, reflux, 48 h, until total consumption of the acid, mixt. cooled to room temp.; filtered, ppt. washed with H2O and EtOH, dried (vac.); elem. anal.; | 96% |
Conditions | Yield |
---|---|
for 0.05h; Microwave irradiation; | 96% |
Conditions | Yield |
---|---|
for 0.0333333h; Microwave irradiation; | 96% |
Conditions | Yield |
---|---|
With sodium hydroxide for 2h; | 96% |
Conditions | Yield |
---|---|
With sodium hydroxide In water for 2h; | 96% |
With sodium hydroxide In water at 25℃; for 2h; | 1.32 g |
Conditions | Yield |
---|---|
In water hot soln. of metal nitrate added to hot soln. of carboxylic acid and hydrazine hydrate with stirring; pptd. after 1 h, digested for 1 h, isolated, washed with water-alcohol, diethyl ether, dried under vac., elem. anal., powder XRD; | 95% |
Conditions | Yield |
---|---|
for 0.0666667h; Neat (no solvent); Microwave irradiation; | 95% |
Conditions | Yield |
---|---|
With sodium hydroxide In water at 20℃; for 1h; Time; | 95% |
Conditions | Yield |
---|---|
With sodium hydroxide In water at 20℃; for 0.5h; pH=6.4; Time; | 95% |
Conditions | Yield |
---|---|
With sodium hydroxide In water at 20℃; for 1h; Time; | 95% |
Conditions | Yield |
---|---|
With acetic anhydride for 0.0833333h; | 94% |
With acetic anhydride Heating; | 93% |
With acetic anhydride for 0.166667h; Heating; | 83% |
2,3-dicarboxypyrazine
hydrazine hydrate
cadmium 2,3-pyrazinedicarboxylate hydrazinate
Conditions | Yield |
---|---|
In water hot soln. of metal nitrate added to hot soln. of carboxylic acid and hydrazine hydrate with stirring; pptd. after few min, digested for 1 h, isolated, washed with water-alcohol, diethyl ether, dried under vac., elem. anal., powder XRD; | 93% |
Conditions | Yield |
---|---|
With 2-(1-aminoethylamino)ethanol or triethanolamine In methanol; water CuBr2 (0.02 mol), a ligand (0.02 mol), 2-(2-aminoethylamino)ethanol or triethanolamine (ca. 0.02 mol) were dissolved in MeOH/water (1/1); the soln. was heated at 70-80°C for 2 h with stirring under a reflux condenser; the ppt. was filtered, washed with chloroform and dried in air; elem. anal.; | 93% |
2,3-dicarboxypyrazine
hydrazine hydrate
zinc 2,3-pyrazinedicarboxylate hydrazinate
Conditions | Yield |
---|---|
In water hot soln. of metal nitrate added to hot soln. of carboxylic acid and hydrazine hydrate with stirring; pptd. after few min, digested for 1 h, isolated, washed with water-alcohol, diethyl ether, dried under vac., elem. anal., powder XRD; | 92% |
TETRAHYDROFURFURYLAMINE
2,3-dicarboxypyrazine
6-((tetrahydrofuran-2-yl)methyl)-6H-pyrrolo[3,4-b]pyrazine-5,7-dione
Conditions | Yield |
---|---|
for 0.05h; Microwave irradiation; | 92% |
2,3-dicarboxypyrazine
Cyclopropylamine
6-cyclopropyl-6H-pyrrolo[3,4-b]pyrazine-5,7-dione
Conditions | Yield |
---|---|
for 0.0333333h; Microwave irradiation; | 90% |
Conditions | Yield |
---|---|
for 0.0833333h; Neat (no solvent); Microwave irradiation; | 90% |
Conditions | Yield |
---|---|
at 135℃; for 0.0666667h; Microwave irradiation; | 89% |
Conditions | Yield |
---|---|
for 0.0833333h; Microwave irradiation; | 88% |
2,3-dicarboxypyrazine
furan-2-ylmethanamine
6-(furan-2-ylmethyl)-5H-pyrrolo[3,4-b]pyrazine-5,7(6H)-dione
Conditions | Yield |
---|---|
for 0.0833333h; Microwave irradiation; | 88% |
Conditions | Yield |
---|---|
In methanol; water CuBr2 (2.3 mmol) and a ligand (3 mmol) were dissolved in MeOH/water (1/1); the soln. was heated at 70-80°C for 2 h with stirring under a reflux condenser; the ppt. was filtered, washed with chloroform and dried in air; elem. anal.; | 88% |
Conditions | Yield |
---|---|
With sodium hydroxide In water pH=7; | 88% |
2,3-dicarboxypyrazine
ethylenediamine
6-(2-(5,7-dioxo-5H-pyrrolo[3,4-b]pyrazin-6(7H)-yl)ethyl)-6H-pyrrolo[3,4-b]pyrazine-5,7-dione
Conditions | Yield |
---|---|
at 135℃; for 0.0666667h; Microwave irradiation; | 88% |
2,3-dicarboxypyrazine
NH4(1+)*Ag(1+)*C4H2N2(CO2)2(2-)=(NH4)[Ag(C4H2N2(CO2)2)]
Conditions | Yield |
---|---|
With NH3 In ammonia aq. ammonia=NH3; molar ratio Ag:carboxylic acid=2:1, in 10% NH3; crystn. on evapn. (room temp., in dark, 3 d); elem. anal.; | 87% |
[2,2]bipyridinyl
2,3-dicarboxypyrazine
cadmium(II) acetate dihydrate
[Cd(pyrazine-2,3-dicarboxylate)(2,2'-bipyridine)]n*nH2O
Conditions | Yield |
---|---|
With NaOH In water High Pressure; stirring mixt. of cadmium compd., pyrazine deriv., bipyridine, NaOH and water in air for 1 h, heating at 160°C for 3 d; isolation of crystals, washing with water, elem. anal.; | 86% |
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