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:73771-04-7
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryUnique advantages of Prednicarbate Cas 73771-04-7 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White or almost white crystalline powder Storage:cool dry place Package:1
Cas:73771-04-7
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
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:73771-04-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur 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:73771-04-7
Min.Order:1 Kilogram
FOB Price: $9.0 / 99.0
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:73771-04-7
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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
1.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:73771-04-7
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
Henan 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:73771-04-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryPrednicarbate 1.CAS: 73771-04-7 2.Specification:Enterprise standard /USP 3.Stock:Fresh Application:Topical anti-inflammatory agent. Glucocorticoid.
Appearance:detailed in specifcations Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:Common products:S
Cas:73771-04-7
Min.Order:100 Metric Ton
Negotiable
Type:Lab/Research institutions
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:73771-04-7
Min.Order:0 Metric Ton
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
J&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
GMP 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,
factory?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:73771-04-7
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
1.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
Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and h
Cas:73771-04-7
Min.Order:0
Negotiable
Type:Other
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
GOLDEN 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
PrednicarbateAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air
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
R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
Cas:73771-04-7
Min.Order:0
Negotiable
Type:Manufacturers
inquirySuperior quality, moderate price & quick delivery. Appearance:white crystalline powder Storage:Sealed in a cool ,dry and microtherm place , avoid light . Package:100g/bottle,1kg/bottle,25kg/drum or as per your request Application:It is an impo
Cas:73771-04-7
Min.Order:100 Gram
Negotiable
Type:Trading Company
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
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Appearance:substance Storage:RT Package:25kg Application:Skin Treatment Drug; Topical Sterodid;Glucocorticoid Transportation:BY SEA Port:shanghai
Prednisolone 17-ethylcarbonate
propionic acid anhydride
prednicarbate
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 20℃; for 24h; | 87.1% |
With dmap In dichloromethane at 20℃; for 16h; | 30.4% |
Conditions | Yield |
---|---|
With pyridine 1.) 0 deg C, 30 min, 2.) 20 deg C, 2 h; Yield given; |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 90 percent / p-TosOH / dioxane / 17 h / 22 °C 2: glacial AcOH, H2O / 5 h / 18 °C 3: pyridine / 1.) 0 deg C, 30 min, 2.) 20 deg C, 2 h View Scheme | |
Multi-step reaction with 3 steps 1: 90 percent / p-TosOH / dioxane / 17 h / 22 °C 2: glacial AcOH, H2O / 5 h / 18 °C 3: 30.4 percent / 4-dimethylaminopyridine / CH2Cl2 / 16 h / 20 °C View Scheme |
prednisolone-17,21-diethylorthocarbonate
prednicarbate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: glacial AcOH, H2O / 5 h / 18 °C 2: pyridine / 1.) 0 deg C, 30 min, 2.) 20 deg C, 2 h View Scheme | |
Multi-step reaction with 2 steps 1: glacial AcOH, H2O / 5 h / 18 °C 2: 30.4 percent / 4-dimethylaminopyridine / CH2Cl2 / 16 h / 20 °C View Scheme |
prednicarbate
A
11β,17-dihydroxy-21-propionyloxypregna-1,4-diene-3,20-dione
B
Prednisolone 17-ethylcarbonate
Conditions | Yield |
---|---|
With silica gel for 20h; Irradiation; | A 0.62% B 0.58% |
prednicarbate
C24H30O5
Conditions | Yield |
---|---|
at 264℃; for 0.5h; Inert atmosphere; |
Conditions | Yield |
---|---|
With water In acetone at 25 - 28℃; for 336h; Microbiological reaction; |
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