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:16475-90-4
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryT he company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality service Appearance:White
Our 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:16475-90-4
Min.Order:5 Kiloliter
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:16475-90-4
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
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:16475-90-4
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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:16475-90-4
Min.Order:1 Kilogram
Negotiable
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:16475-90-4
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
inquiryMETHYL 5-ACETYLSALICYLATE CAS:16475-90-4 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
Cas:16475-90-4
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:16475-90-4
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifi
Cas:16475-90-4
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:16475-90-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
Cas:16475-90-4
Min.Order:1 Gram
Negotiable
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:16475-90-4
Min.Order:0 Metric Ton
Negotiable
Type:Other
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:16475-90-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryChemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff
Cas:16475-90-4
Min.Order:100 Gram
Negotiable
Type:Other
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:16475-90-4
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryCHENGDU YANXI is a comprehensive manufacturer and an international distribution of products throughout the world. Specialized in Scrap metal, Chemical raw materials, Paper products and color industry. We aim to become leading position in global dis
Cas:16475-90-4
Min.Order:1 Kilogram
FOB Price: $2.0 / 3.0
Type:Trading Company
inquiryProduct name: Methyl 5-Acetylsalicylate CAS No.:16475-90-4 Molecule Formula:C10H10O4 Molecule Weight:194.18 Purity: 99% Package: 25kg/drum Description:White or light yellow crystalline powder Manufacture Standards:Enterprise Standard
Cas:16475-90-4
Min.Order:1 Kilogram
Negotiable
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:16475-90-4
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryProduct name: Methyl 5-Acetylsalicylate CAS No.: 16475-90-4 Chemical name: 5-ACETYLSALICYLIC ACID METHYL ESTER; 5-ACETYL-2-HYDROXYBENZOIC ACID METHYL ESTER; 5-ACETYL 2-METHYLSALICYLATE;METHYL 5-ACETHYLSALICYLATE; METHYL 2-HYDROXY-5-ACETY
Shandong 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:16475-90-4
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:16475-90-4
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
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:16475-90-4
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiry1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification
Cas:16475-90-4
Min.Order:0
Negotiable
Type:Trading Company
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:16475-90-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryISO/factory/goodqualityAppearance:off white Storage:Dry,cool place Package:drum Application:active pharmaceutical ingredients Transportation:by air/sea/express Port:shenzhen/shanghai
high 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
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
Cas:16475-90-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryR & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
Cas:16475-90-4
Min.Order:0
Negotiable
Type:Manufacturers
inquirymethanol
5-acetylsalicylic acid
estere metilico dell'acido 5-acetilsalicilico
Conditions | Yield |
---|---|
With sulfuric acid for 24h; Heating; | 96% |
With thionyl chloride at 65℃; for 24h; Inert atmosphere; |
estere metilico dell'acido 5-acetilsalicilico
Conditions | Yield |
---|---|
With ytterbium(III) triflate In isopropyl alcohol for 20h; Deacetylation; Heating; | 95% |
acetic anhydride
methyl salicylate
estere metilico dell'acido 5-acetilsalicilico
Conditions | Yield |
---|---|
With aluminium trichloride In dichloromethane for 3h; Friedel-Crafts reaction; | 93% |
With aluminum (III) chloride In dichloromethane at -5 - 10℃; for 20h; Inert atmosphere; | 83.3% |
With aluminum (III) chloride In nitrobenzene at 120 - 180℃; for 0.133333h; Temperature; Time; Pressure; Friedel-Crafts Acylation; Microwave irradiation; | 100 %Chromat. |
estere metilico dell'acido 5-acetilsalicilico
Conditions | Yield |
---|---|
With ytterbium(III) triflate In nitromethane for 1h; Ambient temperature; | 74% |
3-acetyl-3',3'-dicyano-5-methoxycarbonylxanthyrone
A
estere metilico dell'acido 5-acetilsalicilico
B
4-Hydroxyacetophenone
Conditions | Yield |
---|---|
With water for 3h; Product distribution; Heating; other xanthyrones; | A 41% B 16% |
3-acetyl-3'-cyano-3',5-bismethoxycarbonylxanthyrone
A
estere metilico dell'acido 5-acetilsalicilico
B
4-Hydroxyacetophenone
Conditions | Yield |
---|---|
With water for 3h; Product distribution; Heating; other xanthyrones; | A 41% B 16% |
acetic acid
methyl salicylate
estere metilico dell'acido 5-acetilsalicilico
Conditions | Yield |
---|---|
With PPA at 80℃; for 2h; | 20% |
methyl acetylsalicylate
estere metilico dell'acido 5-acetilsalicilico
Conditions | Yield |
---|---|
With aluminium trichloride; nitrobenzene |
2-methoxybenzoic acid methyl ester
acetyl chloride
estere metilico dell'acido 5-acetilsalicilico
Conditions | Yield |
---|---|
With carbon disulfide; aluminium trichloride |
3'-acetyl-3,5,5'-trismethoxycarbonylglaucyrone
estere metilico dell'acido 5-acetilsalicilico
Conditions | Yield |
---|---|
With water for 3h; Product distribution; Heating; other glaucyrones; |
acetyl chloride
methyl salicylate
estere metilico dell'acido 5-acetilsalicilico
Conditions | Yield |
---|---|
With aluminium trichloride In 1,1,2,2-tetrachloroethylene | |
In 1,1,2,2-tetrachloroethylene |
3-carbomethoxy-4-hydroxy-α-bromoacetophenone
D
estere metilico dell'acido 5-acetilsalicilico
Conditions | Yield |
---|---|
With sodium formate; cetyltrimethylammonim bromide; sodium dodecyl-sulfate; (R,R)-TsDPEN; dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer In water at 28℃; for 5h; Title compound not separated from byproducts; |
aspirin
estere metilico dell'acido 5-acetilsalicilico
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 82 percent / AlCl3 / nitrobenzene / 1 h 2: 96 percent / H2SO4 / 24 h / Heating View Scheme |
1,1,2,2-tetrachloroethylene
acetyl chloride
methyl salicylate
estere metilico dell'acido 5-acetilsalicilico
Conditions | Yield |
---|---|
aluminium chloride | 40 g (43%) |
estere metilico dell'acido 5-acetilsalicilico
benzyl bromide
5-acetyl-2-benzyloxybenzoic acid methyl ester
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at 85℃; for 9h; | 100% |
With potassium carbonate In acetonitrile at 75℃; for 16h; | 100% |
With potassium carbonate In acetonitrile for 24h; | 96.6% |
estere metilico dell'acido 5-acetilsalicilico
ethylene glycol
2-[4-hydroxy-3-(methoxycarbonyl)phenyl]-2-methyl-1,3-dioxolane
Conditions | Yield |
---|---|
With Triisopropoxymethan; cerium triflate In hexane at 25℃; for 2h; | 99% |
With toluene-4-sulfonic acid In toluene for 16h; Heating; | 91% |
estere metilico dell'acido 5-acetilsalicilico
1-(4'-hydroxy-3'-methoxycarbonylphenyl)ethanol
Conditions | Yield |
---|---|
With CdS(x)Se(1-x) x:0-1;; cesium acetate; para-thiocresol In toluene for 10h; Sealed tube; Inert atmosphere; Irradiation; | 99% |
With sodium tetrahydroborate; boric acid for 1.5h; | 60 % Chromat. |
estere metilico dell'acido 5-acetilsalicilico
benzyl chloride
5-acetyl-2-benzyloxybenzoic acid methyl ester
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 50 - 65℃; for 2h; | 98.5% |
With sodium carbonate In N,N-dimethyl-formamide at 110 - 115℃; for 2h; | 84.7% |
With sodium In ethanol for 30h; Heating; | 55% |
With sodium carbonate; sodium iodide In acetonitrile for 16h; Heating / reflux; | 55% |
With potassium carbonate |
estere metilico dell'acido 5-acetilsalicilico
trimethyleneglycol
2-[4-hydroxy-3-(methoxycarbonyl)phenyl]-2-methyl-1,3-dioxane
Conditions | Yield |
---|---|
With Triisopropoxymethan; cerium triflate In hexane at 25℃; for 2h; | 98% |
estere metilico dell'acido 5-acetilsalicilico
methyl 5-acetyl-2-heptyloxybenzoate
Conditions | Yield |
---|---|
Stage #1: estere metilico dell'acido 5-acetilsalicilico With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 20℃; for 1h; Stage #2: heptyl halide In N,N-dimethyl-formamide at 50℃; for 5h; | 97.6% |
estere metilico dell'acido 5-acetilsalicilico
5-acetyl-2-methoxybenzoic acid methyl ester
Conditions | Yield |
---|---|
Stage #1: estere metilico dell'acido 5-acetilsalicilico With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 20℃; for 1h; Stage #2: methyl halide In N,N-dimethyl-formamide at 50℃; for 5h; | 97% |
estere metilico dell'acido 5-acetilsalicilico
methyl iodide
5-acetyl-2-methoxybenzoic acid methyl ester
Conditions | Yield |
---|---|
With sodium carbonate In N,N-dimethyl-formamide | 96.5% |
With sodium carbonate In DMF (N,N-dimethyl-formamide) at 0 - 20℃; for 3h; | 96.5% |
With sodium carbonate In DMF (N,N-dimethyl-formamide) at 0 - 20℃; for 3h; | 96.5% |
trifluoromethylsulfonic anhydride
estere metilico dell'acido 5-acetilsalicilico
5-acetyl-2-(trifluoro-methyl-sulfonyloxy)-benzoic acid,methyl ester
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 0℃; for 0.5h; | 96% |
With pyridine In dichloromethane at 0℃; for 0.833333h; | 96% |
With triethylamine at -40℃; | |
With 2,6-dimethylpyridine; dmap In dichloromethane at -30 - 20℃; for 3h; |
estere metilico dell'acido 5-acetilsalicilico
methyl 5-acetyl-2-hexyloxybenzoate
Conditions | Yield |
---|---|
Stage #1: estere metilico dell'acido 5-acetilsalicilico With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 20℃; for 1h; Stage #2: hexyl halide In N,N-dimethyl-formamide at 50℃; for 5h; | 95.9% |
estere metilico dell'acido 5-acetilsalicilico
methyl 5-acetyl-2-octyloxybenzoate
Conditions | Yield |
---|---|
Stage #1: estere metilico dell'acido 5-acetilsalicilico With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 20℃; for 1h; Stage #2: octyl halide In N,N-dimethyl-formamide at 50℃; for 5h; | 93.5% |
estere metilico dell'acido 5-acetilsalicilico
Conditions | Yield |
---|---|
Stage #1: estere metilico dell'acido 5-acetilsalicilico With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 20℃; for 1h; Stage #2: butyl halide In N,N-dimethyl-formamide at 50℃; for 5h; | 92% |
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