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:5154-01-8
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiry1.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:5154-01-8
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry2,5-DIHYDROXYPYRIDINE CAS:5154-01-8 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 inte
Cas:5154-01-8
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:5154-01-8
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:5154-01-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Cas:5154-01-8
Min.Order:0
Negotiable
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:5154-01-8
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:5154-01-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1.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:5154-01-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAnsciep 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:5154-01-8
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
2(1H)-Pyridinone,5-hydroxy- cas 5154-01-8Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application: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
Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
5154-01-8 Application:intermediate
Cas:5154-01-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:100mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any po
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
The factory supplies Application:manufacturing supplies
Our mission is to provide high-quality and innovative products to our customers. By offering a broad range of products, custom synthesis and personalized services, Bide can help scientists speeding up their research in the chemical and pharmaceutical
Betterbiochem is specialized in APIs, pharmaceutical intermediates & fine chemicals. 1. The best quality, competitive price. 2. The best service before or after shipment. 3. Rich experience in export operation. 4. Rich experience in
Cas:5154-01-8
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryFor quick quotation, please send us the inquiry include CAS#, Structure, Chemical Name, quantity, purity, as well as any additional specifications you require, we will try to get back to you within 24 hours. Our Services Besides manufacturing,
Cas:5154-01-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHuBei ipure is a diversified product production and operation enterprise, with API, pharma intermediates, and other fine chemicals as well as R&D and pigments development and sales as one of the large enterprises, with more than 130 acres of pl
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
Yinghao Pharm products include: leader molecule, heterocyclic compounds,chiral compounds, photoelectric materials, biochemical reagents etc. For example:benzene, pyrimidine, boricacid,pyridine, pyrazole, imidazole, pyrrole, fluorine and other derivat
At Share Chemical Company, we scrupulously abide by our policy of “Excellent Quality at a Reasonable Price”. We strive to satisfy all of our customers by providing the finest quality products supported by the finest in customer servi
1. Production capacity: we have three production base with high-tech production equipment and instruments, equipped with professional production personnel, meet your requirements.2. Quality assurance: we have a first-class testing equipment and testi
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
Cas:5154-01-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirypyridine-2,5-diol
Conditions | Yield |
---|---|
With 5%-palladium/activated carbon; hydrogen In ethanol; water at 50 - 55℃; under 750.075 - 1500.15 Torr; for 4h; Autoclave; | 94% |
pyridine-2,5-diol
Conditions | Yield |
---|---|
With 50% Raney nickel In water; isopropyl alcohol at 60 - 65℃; under 750.075 - 1500.15 Torr; for 4h; Autoclave; | 93.6% |
pyridine-2,5-diol
Conditions | Yield |
---|---|
With 5%-palladium/activated carbon; hydrogen In methanol; water at 50 - 55℃; under 750.075 - 1500.15 Torr; for 4h; Autoclave; | 93.1% |
pyridine-2,5-diol
Conditions | Yield |
---|---|
With 50% Raney nickel In tetrahydrofuran; water at 60 - 65℃; under 750.075 - 1500.15 Torr; for 5h; Autoclave; | 91.5% |
Conditions | Yield |
---|---|
With sodium hydroxide; water | |
With sodium hydroxide; water at 300 - 310℃; |
Conditions | Yield |
---|---|
With ethanol; water; hydrazinium sulfate at 153℃; unter Druck; |
Conditions | Yield |
---|---|
With sodium hydroxide; dipotassium peroxodisulfate; iron(II) sulfate Erwaermen des mit Schwefelsaeure angesaeuerten Reaktionsgemisches auf 100grad.; |
6-methoxypyridine-3-ol
pyridine-2,5-diol
Conditions | Yield |
---|---|
With hydrogen bromide |
5-benzoyloxy-pyridin-2-ol
pyridine-2,5-diol
Conditions | Yield |
---|---|
With hydrogen bromide |
2,5-diethoxy-pyridine
pyridine-2,5-diol
Conditions | Yield |
---|---|
With hydrogen bromide |
nicotinic acid
A
pyridine-2,5-diol
B
6-hydroxy-3-pyridinecarboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: water; ammonium oxalate; ammonium sulfate / 160 °C / unter Druck 2: water; sodium hydroxide / 300 - 310 °C View Scheme |
4-(6-hydroxy-[3]pyridyl)-4-oxo-butyric acid
A
pyridine-2,5-diol
B
succinic acid
Conditions | Yield |
---|---|
With β-nicotinamide adenine dinucleotide, reduced dipotassium salt; recombinant His6-tagged 6-hydroxy-3-succinoyl-pyridine 3-monooxygenase from Pseudomonas putida S16; FAD; oxygen In aq. buffer at 25℃; pH=8; Mechanism; Catalytic behavior; Reagent/catalyst; Enzymatic reaction; |
4-(6-hydroxy-[3]pyridyl)-4-oxo-butyric acid
A
pyridine-2,5-diol
Conditions | Yield |
---|---|
With β-nicotinamide adenine dinucleotide, reduced dipotassium salt; recombinant His6-tagged 6-hydroxy-3-succinoyl-pyridine 3-monooxygenase from Pseudomonas putida S16; FAD; oxygen; 18O-labeled water In aq. buffer at 25℃; pH=8; Mechanism; Catalytic behavior; Reagent/catalyst; Enzymatic reaction; |
Conditions | Yield |
---|---|
With β-nicotinamide adenine dinucleotide 2’-phosphate reduced tetrasodium salt; oxygen; sodium hydroxide In aq. phosphate buffer at 25℃; Kinetics; Inert atmosphere; Enzymatic reaction; |
pyridine-2,5-diol
2,5 dichloropyridine
Conditions | Yield |
---|---|
With trichlorophosphate at 140 - 145℃; Reagent/catalyst; Temperature; Green chemistry; | 94.3% |
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In N,N-dimethyl-formamide at 20℃; for 60h; Michael addition; | 60% |
pyridine-2,5-diol
5-bromo-3-nitropyridine-2-carbonitrile
methyl iodide
5-bromo-3-(1-methyl-6-oxo-1,6-dihydropyridin-3-yloxy)picolinonitrile
Conditions | Yield |
---|---|
Stage #1: pyridine-2,5-diol With sodium hydride In N,N-dimethyl-formamide at 0℃; for 1h; Stage #2: 5-bromo-3-nitropyridine-2-carbonitrile In N,N-dimethyl-formamide at 20℃; Stage #3: methyl iodide With sodium hydride In N,N-dimethyl-formamide at 20℃; for 3h; | 54% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 110℃; | 49.7% |
pyridine-2,5-diol
3,4-epoxy-3,4-dihydro-2,2-dimethyl-2H-1-benzopyran-6-carbonitrile
(3R,4S)-3-Hydroxy-2,2-dimethyl-4-(6-oxo-1,6-dihydro-pyridin-3-yloxy)-chroman-6-carbonitrile
Conditions | Yield |
---|---|
With pyridine In ethanol for 8h; Heating; | 24% |
pyridine-2,5-diol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 60 percent / DBU / dimethylformamide / 60 h / 20 °C 2: 49 percent / LiAlH4 / tetrahydrofuran / 20 °C View Scheme |
pyridine-2,5-diol
4-Fluoronitrobenzene
3-(4-nitro-phenoxy)-1H-pyridin-6-one
Conditions | Yield |
---|---|
With caesium carbonate In 1-Methylpyrrolidine at 90℃; for 18h; |
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