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:597-71-7
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:597-71-7
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
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:597-71-7
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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:597-71-7
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:597-71-7
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:597-71-7
Min.Order:0
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:597-71-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1,3-Propanediol, 2,2-bis[(acetyloxy)methyl]-, diacetate; 1,3-Propanediol, 2,2-bis[(acetyloxy)methyl]-, diacetate; 3-(Acetyloxy)-2, 2-bis[(acetyloxy)methyl]propyl acetate; 3-propanediol, 2,2-bis((acetyloxy)methyl)-diacetate; PENTAERYTHRITOL TETRAACE
Cas:597-71-7
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
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:597-71-7
Min.Order:1 Kilogram
FOB Price: $2.0
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:597-71-7
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
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:597-71-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
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:597-71-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirySupply top quality products with a reasonable price Application:api
Pentaerythritol tetraacetate cas 597-71-7Appearance: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:597-71-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:5g Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any port
Cas:597-71-7
Min.Order:0
Negotiable
Type:Trading Company
inquiryGood Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Price, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
Cas:597-71-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1,3-Propanediol,2,2-bis[(acetyloxy)methyl]-, 1,3-diacetate Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like DHL or Fedx
Cas:597-71-7
Min.Order:0
Negotiable
Type:Trading Company
inquiry1,3-Propanediol,2,2-bis[(acetyloxy)methyl]-, 1,3-diacetateAppearance:Off white to slight yellow solid Storage:Stored in shaded, cool and dry places Package:1L 5L 10L 25L bottle Application:pharma intermediate Transportation:Handle with cares to avoid
Cas:597-71-7
Min.Order:0
Negotiable
Type:Trading Company
inquiryhigh purity Application:Drug intermediates Materials intermediates and active molecules
Conditions | Yield |
---|---|
With methanesulfonic acid at 25℃; for 2h; Inert atmosphere; | 98% |
With aluminum triflate at 20℃; for 0.00833333h; | 95% |
aluminium dodecatungsten phosphate at 20℃; for 0.583333h; | 94% |
3-[(sulfanylacetyl)oxy]-2,2-bis{[(sulfanylacetyl)oxy]methyl}propyl sulfanylacetate
pentaerythritol tetracetate
Conditions | Yield |
---|---|
With di-tert-butyl peroxide; triethyl phosphite In acetonitrile at 20℃; UV-irradiation; | 94% |
With di-tert-butyl peroxide; triethyl phosphite In acetonitrile at 25℃; for 6h; Irradiation; | 94% |
2,2-bis(iodomethyl)-1,3-propanediol
silver(I) acetate
pentaerythritol tetracetate
Conditions | Yield |
---|---|
With acetic acid at 140 - 150℃; man kocht das Reaktionsprodukt mit Acetanhydrid und einer Spur Zinkchlorid; |
pentaerythritol bisacetate
A
Pentaerythritol
B
pentaerythritol triacetate
C
pentaerythritol tetracetate
Conditions | Yield |
---|---|
beim Aufbewahren; |
pentaerythritol tetracetate
pentaerythritol triacetate
Conditions | Yield |
---|---|
With sodium acetate at 170℃; for 2h; Inert atmosphere; | 41% |
Conditions | Yield |
---|---|
With scandium tris(trifluoromethanesulfonate) at 150℃; for 24h; Sealed tube; | 30% |
Conditions | Yield |
---|---|
With potassium carbonate at 180℃; |
tetra(n-butoxy)silane
pentaerythritol tetracetate
3,3-bis-acetoxymethyl-18,18-dibutoxy-1,5,7,11,13,17,19,22,23,26-decaoxa-6,12,18-trisila-tetraspiro[5.2.2.2.5.2.2.2]hexacosane
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid at 170 - 200℃; |
Conditions | Yield |
---|---|
With oxygen at 170℃; Rate constant; Product distribution; Mechanism; Eact, lgA; further temperatures; |
Conditions | Yield |
---|---|
at 150 - 160℃; |
Conditions | Yield |
---|---|
at 150 - 160℃; |
Conditions | Yield |
---|---|
at 150 - 160℃; |
Conditions | Yield |
---|---|
With sodium acetate |
pentaerythritol tetracetate
2-(acetoxymethyl)-2-(bromomethyl)propane-1,3-diyl diacetate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium acetate / 2 h / 170 °C / Inert atmosphere 2: N-Bromosuccinimide; triphenylphosphine / dichloromethane / 18 h / 0 °C / Inert atmosphere View Scheme |
pentaerythritol tetracetate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: sodium acetate / 2 h / 170 °C / Inert atmosphere 2: N-Bromosuccinimide; triphenylphosphine / dichloromethane / 18 h / 0 °C / Inert atmosphere 3: NaS*5H2O; carbon disulfide / N,N-dimethyl-formamide / 0.17 h / 25 °C / Inert atmosphere View Scheme |
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