As 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:13051-49-5
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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
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inquiry1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:13051-49-5
Min.Order:1 Gram
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Type:Manufacturers
inquiryhebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm
Cas:13051-49-5
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FOB Price: $1.0 / 3.0
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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:13051-49-5
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FOB Price: $1.2 / 5.0
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:13051-49-5
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inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
Cas:13051-49-5
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FOB Price: $1.0 / 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:13051-49-5
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryAppearance:White crystal powder Storage: Store in cool and dry place, away from sun light. Package:Drum Application:Pharmaceutical intermediates Transportation:By sea or by air Port:Qingdao Port
Cas:13051-49-5
Min.Order:1 Kilogram
FOB Price: $1.0
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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:13051-49-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry2-chloro-3-oxopentyl acetate CAS:13051-49-5 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 orga
Cas:13051-49-5
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:13051-49-5
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryTriumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Business Custom Synthesis: Trading(Raw Mater
Cas:13051-49-5
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FOB Price: $18.0 / 20.0
Type:Lab/Research institutions
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 have s
Cas:13051-49-5
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryHangzhou 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:13051-49-5
Min.Order:0 Metric Ton
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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:13051-49-5
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:13051-49-5
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryWe are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED
Cas:13051-49-5
Min.Order:1 Gram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryOur Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
Cas:13051-49-5
Min.Order:0
Negotiable
Type:Trading Company
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:13051-49-5
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
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:13051-49-5
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:13051-49-5
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryGOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation
We 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:13051-49-5
Min.Order:1 Metric Ton
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Type:Trading Company
inquiryWe produce carbomer by our own factory,carbomer 940 is our best seller.It is used for cosmetic and medical.And we also become agent for lubrizol.Our carbomer 940 get high viscosity and good transparency.The price will depond on the market,surely supp
Cas:13051-49-5
Min.Order:0
Negotiable
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:13051-49-5
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 stock Package:1kg Application:pharmaceutical intermediates
Cas:13051-49-5
Min.Order:0
Negotiable
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
J&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals
Cas:13051-49-5
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Type:Lab/Research institutions
inquiry3-acetyl-3-chlorodihydrofuran-2(3H)-one
acetic acid
5-Acetoxy-3-chloropentan-2-one
Conditions | Yield |
---|---|
With hydrogenchloride In water at 25 - 125℃; under 5250.53 Torr; for 0.5h; Temperature; | 93% |
With toluene-4-sulfonic acid In 5,5-dimethyl-1,3-cyclohexadiene at 140℃; for 5h; Solvent; Inert atmosphere; | 67.8 %Chromat. |
3-acetyl-3-chlorodihydrofuran-2(3H)-one
acetic anhydride
5-Acetoxy-3-chloropentan-2-one
Conditions | Yield |
---|---|
Stage #1: 3-acetyl-3-chlorodihydrofuran-2(3H)-one With hydrogenchloride; acetic acid for 10h; Heating; Stage #2: acetic anhydride for 8h; Heating; Further stages.; | 89% |
(i) aq. HCl, aq. AcOH, (ii) /BRN= 385737/; Multistep reaction; | |
With hydrogenchloride 1.) AcOH, 90-95 deg C, 13 h, 2.) AcOH, 90 deg C, 10 h.; Yield given. Multistep reaction; | |
Stage #1: 3-acetyl-3-chlorodihydrofuran-2(3H)-one With hydrogenchloride; acetic acid Reflux; Stage #2: acetic anhydride Reflux; | |
Stage #1: 3-acetyl-3-chlorodihydrofuran-2(3H)-one With hydrogenchloride; acetic acid In water Stage #2: acetic anhydride In water |
3-chloro-3-acetylpropanol
acetic anhydride
5-Acetoxy-3-chloropentan-2-one
Conditions | Yield |
---|---|
With sodium acetate |
2-(2-acetoxy-ethyl)-2-chloro-acetoacetic acid ethyl ester
acetic acid
5-Acetoxy-3-chloropentan-2-one
Conditions | Yield |
---|---|
With sulfuric acid; acetic acid |
3-chloro-3-acetylpropanol
acetyl chloride
5-Acetoxy-3-chloropentan-2-one
Conditions | Yield |
---|---|
With pyridine at 0℃; |
4-oxopentyl acetate
5-Acetoxy-3-chloropentan-2-one
Conditions | Yield |
---|---|
With chlorine | |
With sulfuryl dichloride at 0℃; |
5-Acetoxy-3-chloropentan-2-one
Conditions | Yield |
---|---|
With hydrogenchloride; acetic acid at 70 - 100℃; Behandeln der Reaktionsmischung mit Acetanhydrid bei 90-95gradC; |
5-Acetoxy-3-chloropentan-2-one
Conditions | Yield |
---|---|
With chloroform; chlorine | |
With sulfuryl dichloride at 0℃; |
3-acetyl-2-oxo-4,5-dihydrofuran
5-Acetoxy-3-chloropentan-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 89 percent / SO2Cl2 2: HCl / acetic acid / Heating View Scheme | |
Multi-step reaction with 3 steps 1: sulfuryl dichloride / 25 h / -10 - 20 °C / Inert atmosphere 2: hydrogenchloride; water; acetic acid / 18 h / Reflux 3: hydrogenchloride; acetic acid / water / 78 h / 20 - 120 °C View Scheme |
3-acetyl-3-chlorodihydrofuran-2(3H)-one
5-Acetoxy-3-chloropentan-2-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: HCl / acetic acid / Heating View Scheme | |
Multi-step reaction with 2 steps 1: water; hydrochloric acid 2: sodium acetate View Scheme |
5-Acetoxy-3-chloropentan-2-one
Conditions | Yield |
---|---|
With sulfuric acid Reflux; |
thioacetamide
5-Acetoxy-3-chloropentan-2-one
acetic acid 2-(2,4-dimethylthiazol-5-yl)-ethyl ester
Conditions | Yield |
---|---|
at 110 - 120℃; for 0.5h; | 100% |
at 110 - 120℃; for 0.5h; | 100% |
at 110 - 120℃; for 0.5h; | 100% |
<13C>thiourea
5-Acetoxy-3-chloropentan-2-one
5-(β-acetoxyethyl)-2-amino-4-methyl<2-13C>thiazole hydrochloride
Conditions | Yield |
---|---|
In ethanol for 3h; Heating; | 95% |
sodium thioethylate
5-Acetoxy-3-chloropentan-2-one
5-acetoxy-3-ethylsulfanylpentan-2-one
Conditions | Yield |
---|---|
In tetrahydrofuran at 0℃; for 2h; | 94% |
thiocarboxamide
5-Acetoxy-3-chloropentan-2-one
acetic acid 2-(4-methyl-thiazol-5-yl)-ethyl ester
Conditions | Yield |
---|---|
With 3-butyl-1-methylimidazolium acetate In ethyl acetate at 40℃; for 5h; Molecular sieve; | 84.6% |
Benzimidazol-2-thiol
5-Acetoxy-3-chloropentan-2-one
2,3-dihydro-3-hydroxy-3-methylthiazolo<3,2-a>benzimidazole-2-ethanol
Conditions | Yield |
---|---|
With potassium hydroxide In methanol at 25 - 30℃; for 24h; | 74% |
5-Acetoxy-3-chloropentan-2-one
3-Mercapto-4-oxopentyl Acetate
Conditions | Yield |
---|---|
With potassium hydrosulfide In methanol for 1h; Ambient temperature; | 73.5% |
With sodium hydrogen sulfide In methanol at 0 - 20℃; for 2h; Inert atmosphere; | 64% |
With sodium hydrogensulfide In toluene at 10 - 20℃; for 1h; |
ammonium dithiocarbamate
5-Acetoxy-3-chloropentan-2-one
4-methyl-5-(β-acetoxyethyl)-2-thiazolinethione
Conditions | Yield |
---|---|
In methanol for 24h; | 71% |
With water | |
With ethanol |
selenourea
5-Acetoxy-3-chloropentan-2-one
5-(acetoxyethyl)-2-amino-4-methylselenazole
Conditions | Yield |
---|---|
In ethanol for 0.25h; Heating; | 68% |
Conditions | Yield |
---|---|
With potassium hydroxide In methanol at 0℃; for 1h; | 67% |
acetamidine hydrochloride
5-Acetoxy-3-chloropentan-2-one
Conditions | Yield |
---|---|
With ammonia In ethanol 1.) room temp., 6 h, 2.) 40 deg C, 4 days; | 65% |
formamidine hydrochloride
5-Acetoxy-3-chloropentan-2-one
4-(2-chloroethyl)-5-methyl-1H-imidazole hydrochloride
Conditions | Yield |
---|---|
With ammonia In ethanol 1.) room temp., 6 h, 2.) 40 deg C, 4 days; | 60% |
benzenecarbothioamide
5-Acetoxy-3-chloropentan-2-one
2-(4-methyl-2-phenylthiazol-5-yl)ethan-1-ol
Conditions | Yield |
---|---|
Stage #1: benzenecarbothioamide; 5-Acetoxy-3-chloropentan-2-one In tetrahydrofuran at 80℃; for 24h; Stage #2: With hydrogenchloride In water at 90℃; for 1h; | 45% |
ethyl 2-cyanoacetate
5-Acetoxy-3-chloropentan-2-one
Ethyl 6-acetoxy-2-cyano-3-methyl-4-chlorohex-2-enoate
Conditions | Yield |
---|---|
With 3 A molecular sieve; ammonium acetate; acetic acid In toluene for 6h; Heating; | 43% |
With ammonium acetate In toluene |
5-aminomethyl-2-methyl-3H-pyrimidin-4-one
carbon oxide sulfide
5-Acetoxy-3-chloropentan-2-one
Conditions | Yield |
---|---|
With sodium hydroxide |
N-(4-amino-pyrimidin-5-ylmethyl)-thioformamide
5-Acetoxy-3-chloropentan-2-one
3-(4-amino-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-thiazolium; chloride
Conditions | Yield |
---|---|
With formic acid anschliessendes Erwaermen mit wss. HCl; |
N-(2-methyl-6-oxo-1,6-dihydro-pyrimidin-5-ylmethyl)-thioformamide
5-acetoxy-3-bromo-pentan-2-one
5-Acetoxy-3-chloropentan-2-one
Conditions | Yield |
---|---|
With acetic acid |
N-(2-methyl-6-oxo-1,6-dihydro-pyrimidin-5-ylmethyl)-thioformamide
5-acetoxy-3-bromo-pentan-2-one
5-Acetoxy-3-chloropentan-2-one
5-(2-hydroxy-ethyl)-4-methyl-3-(2-methyl-6-oxo-1,6-dihydro-pyrimidin-5-ylmethyl)-thiazolium; bromide
Conditions | Yield |
---|---|
With acetic acid |
N-(2-methyl-6-oxo-1,6-dihydro-pyrimidin-5-ylmethyl)-thioformamide
5-acetoxy-3-bromo-pentan-2-one
5-Acetoxy-3-chloropentan-2-one
oxythiamine chloride hydrochloride
Conditions | Yield |
---|---|
With acetic acid |
N-(2-methyl-6-oxo-1,6-dihydro-pyrimidin-5-ylmethyl)-thioformamide
5-acetoxy-3-bromo-pentan-2-one
5-Acetoxy-3-chloropentan-2-one
Conditions | Yield |
---|---|
With acetic acid |
N-(2-methyl-6-oxo-1,6-dihydro-pyrimidin-5-ylmethyl)-thioformamide
5-acetoxy-3-bromo-pentan-2-one
5-Acetoxy-3-chloropentan-2-one
5-(2-hydroxy-ethyl)-4-methyl-3-(2-methyl-6-oxo-1,6-dihydro-pyrimidin-5-ylmethyl)-thiazolium; bis-(4-phenylazo-benzenesulfonate )
Conditions | Yield |
---|---|
With acetic acid |
N-(2-methyl-6-oxo-1,6-dihydro-pyrimidin-5-ylmethyl)-thioformamide
5-acetoxy-3-bromo-pentan-2-one
5-Acetoxy-3-chloropentan-2-one
Conditions | Yield |
---|---|
With acetic acid |
N-(2-methyl-6-oxo-1,6-dihydro-pyrimidin-5-ylmethyl)-thioformamide
5-acetoxy-3-bromo-pentan-2-one
5-Acetoxy-3-chloropentan-2-one
5-(2-hydroxy-ethyl)-4-methyl-3-(2-methyl-6-oxo-1,6-dihydro-pyrimidin-5-ylmethyl)-thiazolium; [4-(4-dimethylamino-phenylazo)-benzenesulfonate ]
Conditions | Yield |
---|---|
With acetic acid |
N-(2-methyl-6-oxo-1,6-dihydro-pyrimidin-5-ylmethyl)-thioformamide
5-Acetoxy-3-chloropentan-2-one
Conditions | Yield |
---|---|
With formic acid |
N-(2-methyl-6-oxo-1,6-dihydro-pyrimidin-5-ylmethyl)-thioformamide
5-Acetoxy-3-chloropentan-2-one
5-(2-hydroxy-ethyl)-4-methyl-3-(2-methyl-6-oxo-1,6-dihydro-pyrimidin-5-ylmethyl)-thiazolium; bromide
Conditions | Yield |
---|---|
With formic acid |
N-(2-methyl-6-oxo-1,6-dihydro-pyrimidin-5-ylmethyl)-thioformamide
5-Acetoxy-3-chloropentan-2-one
oxythiamine chloride hydrochloride
Conditions | Yield |
---|---|
With formic acid |
N-(2-methyl-6-oxo-1,6-dihydro-pyrimidin-5-ylmethyl)-thioformamide
5-Acetoxy-3-chloropentan-2-one
Conditions | Yield |
---|---|
With formic acid |
N-(2-methyl-6-oxo-1,6-dihydro-pyrimidin-5-ylmethyl)-thioformamide
5-Acetoxy-3-chloropentan-2-one
5-(2-hydroxy-ethyl)-4-methyl-3-(2-methyl-6-oxo-1,6-dihydro-pyrimidin-5-ylmethyl)-thiazolium; bis-(4-phenylazo-benzenesulfonate )
Conditions | Yield |
---|---|
With formic acid |
N-(2-methyl-6-oxo-1,6-dihydro-pyrimidin-5-ylmethyl)-thioformamide
5-Acetoxy-3-chloropentan-2-one
Conditions | Yield |
---|---|
With formic acid |
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