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:28141-13-1
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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
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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:28141-13-1
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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:28141-13-1
Min.Order:1 Kilogram
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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:28141-13-1
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inquiryProduct Name: 1-ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarbonitrile CAS No.: 28141-13-1 EC No.: 248-865-5 Molecular formula: C9H10N2O2 Molecular weight: 178.1879 Appearan
Cas:28141-13-1
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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:28141-13-1
Min.Order:1 Gram
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inquiryBest 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
Cas:28141-13-1
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inquiryA 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:28141-13-1
Min.Order:4 Kilogram
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Type:Lab/Research institutions
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
Cas:28141-13-1
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inquiryProduct Name: 1-Ethyl-6-hydroxy-4-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile Synonyms: 1-ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-py;1-ethyl-1,2-dihydro
Cas:28141-13-1
Min.Order:1 Metric Ton
FOB Price: $20.0
Type:Lab/Research institutions
inquiryProduct name: N-Ethyl-3-Cyano-4-Methyl-6-Hydroxy-2-Pyridone CAS No.: 28141-13-1 Molecule Formula:C9H10N2O2 Molecule Weight:178.19 Purity: 98.5% Package: 25kg/drum Description:White or off-white powder Manufacture Standards:Enterprise
Cas:28141-13-1
Min.Order:1 Kilogram
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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
Cas:28141-13-1
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inquiryShandong Mopai Biotechnology 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 chemicals. W
Cas:28141-13-1
Min.Order:1 Gram
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Type:Lab/Research institutions
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Cas:28141-13-1
Min.Order:0
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Type:Manufacturers
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:28141-13-1
Min.Order:0
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Type:Lab/Research institutions
inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
Cas:28141-13-1
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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
Cas:28141-13-1
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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
Cas:28141-13-1
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Type:Manufacturers
inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Cas:28141-13-1
Min.Order:0
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Type:Manufacturers
inquiryTAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
Cas:28141-13-1
Min.Order:0
Negotiable
Type:Manufacturers
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 product spec
Cas:28141-13-1
Min.Order:0
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Type:Lab/Research institutions
inquiryXiamen Luyunjia Trading Co.,Ltd Package:1kg/bag; 355kg/drum, or as customer's request. Application:Xiamen Luyunjia Trading Co.,Ltd Transportation:DHL, EMS, FedEx, TNT, AIR, SEA Port:Beijing,Shanghai,Guangzhou ,China main port
Cas:28141-13-1
Min.Order:0 Metric Ton
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Type:Lab/Research institutions
inquiry★.Best quality according to requirement ★.Competitive price in China market ★.Mature Technical support ★.Professional logistic support
Cas:28141-13-1
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inquiryfactory?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
Cas:28141-13-1
Min.Order:0
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Type:Lab/Research institutions
inquiryAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
Cas:28141-13-1
Min.Order:0
Negotiable
Type:Trading Company
inquiry1-Ethyl-6-hydroxy-4-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile cas 28141-13-1Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by expres
Cas:28141-13-1
Min.Order:0
Negotiable
Type:Other
inquiry28141-13-1 Application:intermediate
Cas:28141-13-1
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Type:Lab/Research institutions
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:28141-13-1
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Type:Other
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China
Cas:28141-13-1
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inquiryethyl acetoacetate
ethylamine
methyl 2-cyanoacetate
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
Conditions | Yield |
---|---|
With silica gel for 0.0333333h; microwave irradiation; | 94% |
ethylamine
acetoacetic acid methyl ester
ethyl 2-cyanoacetate
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
Conditions | Yield |
---|---|
With silica gel for 0.0333333h; microwave irradiation; | 94% |
ethyl acetoacetate
ethylamine
ethyl 2-cyanoacetate
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
Conditions | Yield |
---|---|
With silica gel for 0.0333333h; microwave irradiation; | 93% |
ethylamine
acetoacetic acid methyl ester
methyl 2-cyanoacetate
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
Conditions | Yield |
---|---|
With silica gel for 0.0333333h; microwave irradiation; | 93% |
In water |
4,4'-diamino-2,2'-biphenyldisulfonic acid
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
Conditions | Yield |
---|---|
Stage #1: 4,4'-diamino-2,2'-biphenyldisulfonic acid With sodium hydroxide; sodium nitrite In water for 0.5h; pH=7 - 8; Cooling with ice; Stage #2: With hydrogenchloride In water for 2h; Stage #3: 3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone Further stages; | 100% |
4-(Aminophenyl)-sulfonylessigsaeure
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
Conditions | Yield |
---|---|
Stage #1: 4-(Aminophenyl)-sulfonylessigsaeure With hydrogenchloride; sodium nitrite In water at -5 - 0℃; Stage #2: 3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone With sodium hydroxide In water at -5 - 10℃; pH=5.5 - 6; | 97.67% |
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
4-aminobenzene sulfonic acid
Conditions | Yield |
---|---|
Stage #1: 4-aminobenzene sulfonic acid With sodium hydroxide In water pH=7 - 8; Cooling with ice; Stage #2: With hydrogenchloride; sodium nitrite In water for 2.5h; Cooling with ice; Stage #3: 3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone In water for 2h; pH=8 - 9; Cooling with ice; | 92% |
Stage #1: 4-aminobenzene sulfonic acid With hydrogenchloride; sodium nitrite In water at 5 - 10℃; for 3h; Stage #2: 3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone With sodium hydroxide In water at 10℃; pH=5 - 8; | 78% |
Stage #1: 4-aminobenzene sulfonic acid With hydrogenchloride; sodium nitrite In water at 5 - 10℃; Stage #2: 3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone With sodium hydroxide In water at 10℃; pH=5 - 8; | 60.4 g |
2-Amino-4,5,6,7-tetrahydrobenzothiazole
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
Conditions | Yield |
---|---|
Stage #1: 2-Amino-4,5,6,7-tetrahydrobenzothiazole With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 2h; Stage #2: 3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone With acetic acid In water at 0 - 5℃; for 2h; | 88% |
Conditions | Yield |
---|---|
With sodium hydroxide; 2,4,7,9-tetramethyl-5-decyne-4,7-diol In water at 10 - 15℃; for 1.5h; pH=2 - 12; | 86% |
Conditions | Yield |
---|---|
Stage #1: anthranilic acid With sulfuric acid; acetic acid; sodium nitrite In water for 0.5h; Cooling with ice; Stage #2: 3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone In ethanol; water at 0 - 5℃; for 3h; | 86% |
2-Amino-4-phenylthiazole
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
(E)-1-ethyl-6-hydroxy-4-methyl-2-oxo-5-((4-phenylthiazol-2-yl)diazenyl)-1,2-dihydropyridine-3-carbonitrile
Conditions | Yield |
---|---|
Stage #1: 2-Amino-4-phenylthiazole With nitrosylsulfuric acid; sodium nitrite at 0 - 5℃; Stage #2: 3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone With sodium acetate; sodium hydroxide In water at 0 - 5℃; pH=6 - 7; | 85% |
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
Conditions | Yield |
---|---|
With trichlorophosphate at 80℃; | 84% |
With trichlorophosphate for 3h; Reflux; | 64% |
Conditions | Yield |
---|---|
Stage #1: 4-amino-benzoic acid With sulfuric acid; acetic acid; sodium nitrite In water for 0.5h; Cooling with ice; Stage #2: 3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone In ethanol; water at 0 - 5℃; for 3h; | 84% |
2-amino-4-chloro-5-formyl-3-cyanothiophene
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
Conditions | Yield |
---|---|
With acetic anhydride at 90℃; for 2h; | 78% |
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
4-methoxy-aniline
1-ethyl-6-hydroxy-5-((4-methoxyphenyl) diazenyl)-4-methyl-2-oxo-1,2-dihydropyridine -3-carbonitrile
Conditions | Yield |
---|---|
Stage #1: 4-methoxy-aniline With hydrogenchloride; sodium nitrite In water at -5℃; for 1h; Stage #2: 3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone With potassium hydroxide In water at -5 - 5℃; for 3.5h; | 73% |
6-methylbenzothiazol-2-ylamine
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
Conditions | Yield |
---|---|
Stage #1: 6-methylbenzothiazol-2-ylamine With nitrosylsulfuric acid; acetic acid In propionic acid at 0 - 5℃; for 3h; Stage #2: 3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone With sodium carbonate In propionic acid at 0 - 4℃; for 2h; pH=6 - 7; | 73% |
2-thiazolylamine
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
Conditions | Yield |
---|---|
Stage #1: 2-thiazolylamine With sulfuric acid; acetic acid; propionic acid; sodium nitrite at 0 - 5℃; for 2.33333h; Stage #2: 3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone With potassium hydroxide In water at 0 - 5℃; for 2h; pH=5 - 6; | 70% |
Conditions | Yield |
---|---|
Stage #1: C20H28N4O4S2 With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 2h; Stage #2: 3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone With sodium hydroxide In water at 10℃; pH=8; | 69% |
6-methoxybenzothiazol-2-ylamine
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
Conditions | Yield |
---|---|
Stage #1: 6-methoxybenzothiazol-2-ylamine With nitrosylsulfuric acid; acetic acid In propionic acid at 0 - 5℃; for 3h; Stage #2: 3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone With sodium carbonate In propionic acid at 0 - 4℃; for 2h; pH=6 - 7; | 69% |
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
4-methoxy-2-nitroaniline
(Z)-1-ethyl-5-(2-(4-methoxy-2-nitrophenyl)hydrazono)-4-methyl-2,6-dioxo-1,2,5,6-tetrahydropyridine-3-carbonitrile
Conditions | Yield |
---|---|
Stage #1: 4-methoxy-2-nitroaniline With hydrogenchloride; sodium nitrite In water at -5℃; for 0.5h; Stage #2: 3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone In methanol; water at 0 - 5℃; for 3h; | 68% |
m-Anisidine
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
1-ethyl-6-hydroxy-5-((3-methoxyphenyl) diazenyl)-4-methyl-2-oxo-1,2-dihydropyridine -3-carbonitrile
Conditions | Yield |
---|---|
Stage #1: m-Anisidine With hydrogenchloride; sodium nitrite In water at -5℃; for 1h; Stage #2: 3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone With potassium hydroxide In water at -5 - 5℃; for 3.5h; | 67% |
2-amino-5-nitro-1,3-thiazole
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
Conditions | Yield |
---|---|
Stage #1: 2-amino-5-nitro-1,3-thiazole With phosphoric acid at 0 - 5℃; for 0.166667h; Stage #2: With sulfuric acid; sodium nitrite for 2.25h; Stage #3: 3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone In acetic acid at 0 - 5℃; for 1.16667h; | 60% |
2-methoxy-phenylamine
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
1-ethyl-6-hydroxy-5-((2-methoxyphenyl) diazenyl)-4-methyl-2-oxo-1,2-dihydropyridine -3-carbonitrile
Conditions | Yield |
---|---|
Stage #1: 2-methoxy-phenylamine With hydrogenchloride; sodium nitrite In water at -5℃; for 1h; Stage #2: 3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone With potassium hydroxide In water at -5 - 5℃; for 3.5h; | 58% |
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
N,N'-diphenylformamidine
Conditions | Yield |
---|---|
Stage #1: 3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone; N,N'-diphenylformamidine In acetic anhydride at 20 - 90℃; for 0.75h; Stage #2: 1,1'-[4,5,6-tris(n-dodecan-1-yloxy)-1,3-phenylenebis(methylene)]bis(4-methylpyridinium) dibromide With potassium acetate In acetic anhydride at 105℃; for 20h; Further stages.; | 42% |
4-(trifluoromethanesulfonyl)aniline
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
Conditions | Yield |
---|---|
Stage #1: 4-(trifluoromethanesulfonyl)aniline With sulfuric acid; sodium nitrite In N,N-dimethyl-formamide at 0℃; for 3h; Stage #2: 3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone In N,N-dimethyl-formamide at 20℃; Further stages.; | 40% |
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 0℃; for 2h; | 27% |
2,3-Dichloro-1,4-naphthoquinone
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
1-ethyl-4-methyl-2,5,10-trioxo-1,2,5,10-tetrahydro-naphtho[2',3':4,5]furo[2,3-b]pyridine-3-carbonitrile
Conditions | Yield |
---|---|
With pyridine In ethanol Heating; |
2,3-difluoro-4-ethoxybenzoic acid
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In ISOPROPYLAMIDE |
2,6-difluoro-4-heptynylbenzoic acid
3-cyano-1-ethyl-6-hydroxy-4-methyl-2-pyridone
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In ISOPROPYLAMIDE for 16h; |
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