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:1466-82-6
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryACETYLSALICYLIC ANHYDRIDE Basic information Product Name: ACETYLSALICYLIC ANHYDRIDE Synonyms: O-ACETYLSALICYLIC ANHYDRIDE;2-(acetyloxy)-benzoicacianhydride;2-(acetyloxy)benzoicacidan
Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
Cas:1466-82-6
Min.Order:1 Kilogram
FOB Price: $9.0 / 99.0
Type:Trading Company
inquiryhigh quality with lower quotation. and enough stock Storage:dry and cool place Package:10g/pack Application:Pharmaceutical intermediates Transportation:By Air,By TNT,EMS,Fedex Port:Shanghai Port
Cas:1466-82-6
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryACETYLSALICYLIC ANHYDRIDE CAS:1466-82-6 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:1466-82-6
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:1466-82-6
Min.Order:1 Kilogram
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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
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Min.Order:0
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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:1466-82-6
Min.Order:1 Gram
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:1466-82-6
Min.Order:0
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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:1466-82-6
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
Product Name: ACETYLSALICYLIC ANHYDRIDE Synonyms: O-ACETYLSALICYLIC ANHYDRIDE;2-(acetyloxy)-benzoicacianhydride;2-(acetyloxy)benzoicacidanhydride;acetylsalicylicacidanhydride;aspirinanhydride;contraflu;pircan;salicylicacid,acetate,anhydride CAS
Cas:1466-82-6
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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
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Min.Order:1 bottle
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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:Beijing or Guangzhou
Cas:1466-82-6
Min.Order:0
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Type:Lab/Research institutions
inquiryBOC Sciences is committed to supplying cost-effective products and services. We provide Acetylsalicylic Acid Impurity F. A metabolite of Acetylsalicylic Acid More information please visit: www.bocsci.com/acetylsalicylic-acid-impurity-f-cas-1466-82-
Cas:1466-82-6
Min.Order:1 Gram
Negotiable
Type:Trading Company
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:1466-82-6
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inquiryFactory supply high purity low priceAppearance: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:1466-82-6
Min.Order:0
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inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran
Cas:1466-82-6
Min.Order:0
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Type:Lab/Research institutions
inquiryAcetylsalicylic anhydride cas 1466-82-6Appearance: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
Cas:1466-82-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirystock,low price,high quality,high purity,good sevice Application:R&D
Cas:1466-82-6
Min.Order:0
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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
Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
Provide HPLC,HNMR,MS and COA. Package:Glass bottles Application:scientific research Transportation:by air
Cas:1466-82-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In dichloromethane at 20℃; | 100% |
With iodine; triethylamine; triphenylphosphine In dichloromethane at 0 - 20℃; | 72% |
With triethylamine; trichloroacetonitrile; triphenylphosphine In tetrahydrofuran at 20℃; for 2h; | 71% |
pyridine
(2-acetoxy-benzoyl)-carbonic acid ethyl ester
A
aspirin anhydride
B
acetylsalicylsalicylic acid
(2-acetoxy-benzoyl)-carbonic acid ethyl ester
aspirin anhydride
Conditions | Yield |
---|---|
im Vakuum; | |
With pyridine | |
im Vakuum; |
(2-acetoxy-benzoic acid )-acetic acid-anhydride
A
aspirin anhydride
B
acetic anhydride
Conditions | Yield |
---|---|
Disproportionierung; |
aspirin anhydride
Conditions | Yield |
---|---|
With toluene bei Gegenwart einer tertiaeren Base; |
Conditions | Yield |
---|---|
With α-picoline; benzene Behandeln des Reaktionsprodukts mit Wasser; |
Conditions | Yield |
---|---|
With triethylamine; trifluoroacetic anhydride 1.) toluene, from 40 deg C to RT, 2.) toluene, 10 min; Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts; | |
With triethylamine; trifluoroacetic anhydride 1.) toluene, from 40 deg C to RT, 2.) toluene, 10 min; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: diethyl ether; pyridine View Scheme | |
Multi-step reaction with 2 steps 1: pyridine; diethyl ether View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: pyridine; diethyl ether View Scheme |
Conditions | Yield |
---|---|
In pyridine at 20℃; | 79% |
Conditions | Yield |
---|---|
In pyridine at 20℃; | 79% |
Conditions | Yield |
---|---|
With pyridine; dmap In dichloromethane at 20℃; | 53% |
With pyridine; dmap In dichloromethane at 20℃; for 24h; |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 65℃; for 48h; Solvent; | 27% |
In dimethyl sulfoxide at 20℃; for 24h; | |
In dimethyl sulfoxide |
aspirin anhydride
4--α-<(9H-purin-6-ylthio)methyl>-1-piperazineethanol
Conditions | Yield |
---|---|
With triethylamine In dichloromethane for 70h; Ambient temperature; | 18.5% |
aspirin anhydride
D-xylopyrannosylamine
D-xylopyrannosylamido-1 acetoxy-2 benzene
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide for 2h; Ambient temperature; | 16% |
Conditions | Yield |
---|---|
With acetone |
Conditions | Yield |
---|---|
With pyridine |
aspirin anhydride
2-(2-acetoxy-benzoyloxy)-benzoic acid-anhydride
Conditions | Yield |
---|---|
at 70℃; Zersetzung; |
Conditions | Yield |
---|---|
Zersetzung der feuchten Verbindung; |
aspirin anhydride
N,N-dimethyl-aniline
salicylic acid
acetylsalicylsalicylic acid
aspirin anhydride
sodium salicylate
acetone
acetylsalicylsalicylic acid
Conditions | Yield |
---|---|
With 2,3-Dimethylaniline |
Conditions | Yield |
---|---|
In 1,4-dioxane; water Rate constant; sodium acetate buffer;; |
Conditions | Yield |
---|---|
In 1,4-dioxane; water Rate constant; sodium acetate buffer;; |
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