DayangChem exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product s
Cas:161183-22-8
Min.Order:1 Kilogram
FOB Price: $3.0
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:161183-22-8
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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:161183-22-8
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
inquiry(3R,4S)-1-tert-Butoxycarbonyl-3-acetoxy-4-phenyl-2-azetidinone CAS:161183-22-8 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates
Cas:161183-22-8
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:161183-22-8
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:161183-22-8
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:161183-22-8
Min.Order:0
Negotiable
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:161183-22-8
Min.Order:10 Gram
FOB Price: $100.0
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:161183-22-8
Min.Order:0
Negotiable
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Cas:161183-22-8
Min.Order:0
Negotiable
Type:Manufacturers
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
Cas:161183-22-8
Min.Order:1 Kilogram
Negotiable
Type:Other
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:161183-22-8
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:161183-22-8
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
Cas:161183-22-8
Min.Order:0
Negotiable
Type:Manufacturers
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:161183-22-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
Cas:161183-22-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirybest seller Application:API
Cas:161183-22-8
Min.Order:0
Negotiable
Type:Manufacturers
inquiryLuhan Pharmachem Co., Ltd. owns strong elite professional quality sales force, has the customer base from the US, Europe, Japan, Southeast Asia, Korea, Hong Kong, Taiwan and other countries and regions, the company operates in accordance with the mod
Cas:161183-22-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:161183-22-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirybest seller Application:API
Cas:161183-22-8
Min.Order:0
Negotiable
Type:Trading Company
inquiry(3R,4S)-1-tert-Butoxycarbonyl-3-acetoxy-4-phenyl-2-azetidinone cas 161183-22-8Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:161183-22-8
Min.Order:0
Negotiable
Type:Other
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:161183-22-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryLuhan Pharmachem Co., Ltd. owns strong elite professional quality sales force, has the customer base from the US, Europe, Japan, Southeast Asia, Korea, Hong Kong, Taiwan and other countries and regions, the company operates in accordance with the mod
Cas:161183-22-8
Min.Order:0
Negotiable
Type:Other
inquirybest seller Application:API
Cas:161183-22-8
Min.Order:0
Negotiable
Type:Trading Company
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:any port in China
Cas:161183-22-8
Min.Order:0
Negotiable
Type:Trading Company
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:any port in China
Cas:161183-22-8
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
Cas:161183-22-8
Min.Order:0
Negotiable
Type:Trading Company
inquiryWatson International Ltd' has a very strong R&D and technical capacity supported by FCAD's platform. The subsidiaries under FCAD Group have accumulated much know-how of different fine chemical branches. For example, Apnoke Scientific L
Cas:161183-22-8
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHuBei ipure is a diversified product production and operation enterprise, with API, pharma intermediates, and other fine chemicals as well as R&D and pigments development and sales as one of the large enterprises, with more than 130 acres of pl
Cas:161183-22-8
Min.Order:1 Gram
FOB Price: $1.0
Type:Trading Company
inquiryAopharm is specialized in APIs, pharmaceutical intermediates & fine chemicals. 1. The best quality, competitive price. 2. The best service before or after shipment. 3. Rich experience in export operation. 4. Rich experience in modes of
Cas:161183-22-8
Min.Order:0 Metric Ton
Negotiable
Type:Trading Company
inquiryConditions | Yield |
---|---|
Stage #1: C38H48O13 In tetrahydrofuran at -50 - -40℃; for 0.5 - 1h; Alkaline conditions; Stage #2: C16H19NO5 In trifluoroacetic acid-d1 at 0℃; for 1 - 3h; |
C16H19NO5
10-deacetylbaccatin III
di-tert-butyl dicarbonate
C55H71NO19
Conditions | Yield |
---|---|
Stage #1: 10-deacetylbaccatin III; di-tert-butyl dicarbonate In tetrahydrofuran at 20℃; for 0.5 - 2h; Argon atmosphere; Stage #2: C16H19NO5 In tetrahydrofuran at -50 - 0℃; for 1.5 - 4h; | |
Stage #1: 10-deacetylbaccatin III; di-tert-butyl dicarbonate In tetrahydrofuran at 20℃; Alkaline conditions; Inert atmosphere; Stage #2: C16H19NO5 In tetrahydrofuran at -50 - 0℃; Inert atmosphere; Alkaline conditions; |
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