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:86-92-0
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:86-92-0
Min.Order:1 Kilogram
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Type:Manufacturers
inquiryhigh quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
Cas:86-92-0
Min.Order:1 Gram
Negotiable
Type:Manufacturers
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:86-92-0
Min.Order:1
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Type:Other
inquiryColorcom 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:86-92-0
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
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:86-92-0
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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:86-92-0
Min.Order:1 Kilogram
FOB Price: $3.0 / 10.0
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:86-92-0
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryM.W.: 188.2 Formula: C11H12N2O Structure: Appearance: off-white powder Purity(as dry): 99% min. Water content: 2% max. Melting Point: 131.5℃ min. Application: pigments intermediates, mainly used to produce Pigment Orange 34, Pigment Red 37
Cas:86-92-0
Min.Order:5 Metric Ton
FOB Price: $1.0 / 2.0
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:86-92-0
Min.Order:1 Kilogram
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:86-92-0
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
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:86-92-0
Min.Order:0 Metric Ton
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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:86-92-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirysuperior quality Appearance: Beige Solid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-Pyrazol-3-one
Cas:86-92-0
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiry2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one Chemical Properties Melting point 129 °C CAS DataBase Reference 86-92-0(CAS DataBase Reference) EPA Substance Registry System
Cas:86-92-0
Min.Order:1 Metric Ton
FOB Price: $20.0
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:86-92-0
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
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:86-92-0
Min.Order:0
Negotiable
Type:Trading Company
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
Cas:86-92-0
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
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:86-92-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
Cas:86-92-0
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Cas:86-92-0
Min.Order:0
Negotiable
Type:Manufacturers
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
Cas:86-92-0
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
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:86-92-0
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
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
TAIHO 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
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:86-92-0
Min.Order:0
Negotiable
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:86-92-0
Min.Order:0
Negotiable
Type:Trading Company
inquiryWe are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as primary a
Cas:86-92-0
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Negotiable
Type:Trading Company
inquiry5-methyl-2-p-tolylpyrazolidin-3-one
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
Conditions | Yield |
---|---|
With sodium anthraquinone-2-sulfonate; palladium diacetate; potassium carbonate In chlorobenzene at 110℃; for 6h; | 97% |
4-methyleneoxetan-2-one
N-4-methylphenylhydrazine
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
Conditions | Yield |
---|---|
Stage #1: 4-methyleneoxetan-2-one With ammonium hydroxide at 0℃; for 2h; Stage #2: N-4-methylphenylhydrazine at 15℃; for 2.5h; Stage #3: With hydrogenchloride In water for 0.5h; pH=1; | 96.5% |
ethyl acetoacetate
N-4-methylphenylhydrazine
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
Conditions | Yield |
---|---|
With acetic acid at 100℃; for 1h; | 83% |
In ethanol Reflux; | 65% |
In ethanol for 3h; Heating; |
4-tolyl iodide
3-methyl-2-pyrazoline-5-one
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
Conditions | Yield |
---|---|
With copper(l) iodide; potassium carbonate; N,N`-dimethylethylenediamine In acetonitrile Reflux; Inert atmosphere; | 76% |
p-tolylhydrazine hydrochloride
ethyl acetoacetate
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
Conditions | Yield |
---|---|
With triethylamine In ethanol at 60℃; for 24h; Reflux; | |
With sodium acetate In acetic acid Reflux; Inert atmosphere; | |
Stage #1: p-tolylhydrazine hydrochloride With sodium acetate In ethanol; water at 20℃; for 0.0833333h; Stage #2: ethyl acetoacetate In ethanol; water for 3h; Reflux; |
acetoacetic acid methyl ester
N-4-methylphenylhydrazine
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
Conditions | Yield |
---|---|
With acetic acid for 24h; Reflux; |
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
Conditions | Yield |
---|---|
With Lawessons reagent In toluene Reflux; | 100% |
With Lawessons reagent In toluene for 2h; Reflux; | 97% |
(2-nitroethenyl)benzene
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
(R)-5-methyl-4-(2-nitro-1-phenylethyl)-2-p-tolyl-2H-pyrazol-3-ol
Conditions | Yield |
---|---|
With quinine In chloroform at 20℃; for 14h; Michael Addition; enantioselective reaction; | 99% |
acetic anhydride
3-nitro-2H-1-benzopyran
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
Conditions | Yield |
---|---|
Stage #1: 3-nitro-2H-1-benzopyran; 3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one With quinine In dichloromethane at -15℃; for 96h; Michael Addition; Stage #2: acetic anhydride With triethylamine In dichloromethane at 20℃; for 0.5h; enantioselective reaction; | 98% |
Conditions | Yield |
---|---|
With iodine; silver nitrate; acetic acid In 1,2-dichloro-ethane at 70℃; for 6h; Inert atmosphere; | 97% |
Conditions | Yield |
---|---|
With dihydrogen peroxide; iodine In 1,4-dioxane; decane; water at 25℃; for 24h; | 97% |
ammonium thiocyanate
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
Conditions | Yield |
---|---|
In acetonitrile at 20℃; for 3h; Electrochemical reaction; | 97% |
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
Conditions | Yield |
---|---|
Stage #1: tert-butyl (3-methyl-5-oxo-1-phenyl-1,5-dihydro-4H-pyrazol-4-ylidene)carbamate With C32H28F6N4O3 In dichloromethane at -48℃; for 0.166667h; Molecular sieve; Stage #2: 3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one In dichloromethane at -48℃; for 24h; Molecular sieve; enantioselective reaction; | 96% |
Conditions | Yield |
---|---|
Stage #1: 5-bromoisatin β-hydrazone With sulfuric acid; acetic acid; sodium nitrite Stage #2: 3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one In ethanol at 20℃; for 1h; | 94% |
benzaldehyde
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
triethyl phosphite
Conditions | Yield |
---|---|
With palladium In ethanol at 20℃; | 94% |
Conditions | Yield |
---|---|
With dimethyl sulfoxide at 60 - 110℃; Sealed tube; | 94% |
With Pd(II)(NHC)Cl2; potassium carbonate In N,N-dimethyl-formamide at 100℃; for 3h; regioselective reaction; | 79% |
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
Conditions | Yield |
---|---|
In ethanol at 20℃; Condensation; | 93.5% |
trifluoromethylsulfonic anhydride
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
3-methyl-1-p-tolyl-1H-pyrazol-5-yl trifluoromethanesulfonate
Conditions | Yield |
---|---|
With 2,4,6-tri-tertbutylpyridine In 1,2-dichloro-ethane at 0 - 20℃; Inert atmosphere; | 93% |
Conditions | Yield |
---|---|
With sodium hydroxide In acetonitrile at 60℃; | 93% |
With 5-ethyl-1,3,7,8-tetramethylalloxazinium triflate; iodine In acetonitrile at 25℃; under 760.051 Torr; for 24h; Green chemistry; chemoselective reaction; | 91% |
With Pd(II)(NHC)Cl2; potassium carbonate In N,N-dimethyl-formamide at 100℃; for 3h; regioselective reaction; | 84% |
With dimethyl sulfoxide at 60 - 110℃; Sealed tube; | 64% |
Conditions | Yield |
---|---|
With iodine In dimethyl sulfoxide at 80℃; for 1.5h; Green chemistry; | 93% |
acetic acid 1-phenyl-buta-2,3-dienyl ester
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
Conditions | Yield |
---|---|
With dichloro(1,5-cyclooctadiene)palladium(II); potassium carbonate; triphenylphosphine In chloroform at 30℃; for 10h; Inert atmosphere; stereoselective reaction; | 93% |
2,3-dihydro-2H-furan
3-chloro-1H-indole-2-carboxaldehyde
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
Conditions | Yield |
---|---|
With triethylammonium acetate for 0.183333h; Microwave irradiation; Green chemistry; | 92% |
2-chloro-8-methyl-quinoline-3-carbaldehyde
ethyl vinyl ether
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
Conditions | Yield |
---|---|
With triethylammonium acetate for 0.183333h; Microwave irradiation; Green chemistry; | 91% |
2-chloro-8-methyl-quinoline-3-carbaldehyde
ethyl 1-propenyl ether
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
Conditions | Yield |
---|---|
With triethylammonium acetate for 0.166667h; Microwave irradiation; Green chemistry; | 91% |
iodobenzene
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
3-methyl-1-(5-methyl-[1,1'-biphenyl]-2-yl)-1H-pyrazol-5(4H)-one
Conditions | Yield |
---|---|
With silver(I) acetate; palladium diacetate; trifluoroacetic acid at 120℃; for 5h; | 91% |
Conditions | Yield |
---|---|
In methanol for 0.025h; microwave irradiation; | 90% |
Conditions | Yield |
---|---|
In methanol for 0.0333333h; microwave irradiation; | 90% |
2,3-dihydro-2H-furan
2-chloro-8-methyl-quinoline-3-carbaldehyde
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
Conditions | Yield |
---|---|
With triethylammonium acetate for 0.133333h; Microwave irradiation; Green chemistry; | 90% |
ethyl 1-propenyl ether
3-chloro-1H-indole-2-carboxaldehyde
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
Conditions | Yield |
---|---|
With triethylammonium acetate for 0.15h; Microwave irradiation; Green chemistry; | 90% |
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
Conditions | Yield |
---|---|
With glycerol at 120℃; for 3h; Green chemistry; | 90% |
2-(dimethyl(oxo)-λ6-sulfaneylidene)-1-phenylethan-1-one
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
Conditions | Yield |
---|---|
With silver hexafluoroantimonate; bis[dichloro(pentamethylcyclopentadienyl)iridium(III)]; zinc trifluoromethanesulfonate; toluene-4-sulfonic acid at 120℃; for 12h; Sealed tube; | 90% |
propionyl chloride
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
3-methyl-1-(4'-methylphenyl)-4-propionyl-2-pyrazolin-5-one
Conditions | Yield |
---|---|
With calcium hydroxide In 1,4-dioxane for 2h; Reflux; | 89% |
3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one
Conditions | Yield |
---|---|
With glycerol at 120℃; for 3h; Green chemistry; | 89% |
Conditions | Yield |
---|---|
With dihydrogen peroxide; iodine In 1,4-dioxane; decane; water at 25℃; for 24h; | 89% |
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