1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W
Cas:4664-57-7
Min.Order:1 Kilogram
FOB Price: $7.0 / 9.0
Type:Trading Company
inquiryAs 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 according to the contract research and development services for the fine chemicals, ph
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Cas:4664-57-7
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:4664-57-7
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:4664-57-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryProduct Name: tert-Butyl Tosylate DISCONTINUED Synonyms: tert-Butyl Tosylate DISCONTINUED;tert-Butyl Tosylate;tert-Butyl p-toluenesulfonate;Bortezomib Impurity 49;Benzenesulfonic acid, 4-methyl-, 1,1-dimethylethyl ester;synthesis-1-041 CAS:
Cas:4664-57-7
Min.Order:1 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:4664-57-7
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:4664-57-7
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
inquiryJ&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals
Cas:4664-57-7
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:4664-57-7
Min.Order:0
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 qualified in
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:4664-57-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirySupply top quality products with a reasonable price Application:api
We are professional supplier in China for this product, we are dedicated to providing customers with the best quality, price, and service. Please feel free to send us inquiries.Appearance:Please contact us for product details Package:As per shipment
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:4664-57-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirylaboratory Application:Synthetic building block
Cas:4664-57-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryGood Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
high 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:4664-57-7
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:4664-57-7
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
1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G
Cas:4664-57-7
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiry1. Professional manufacturing and R&D department 2.Sperior quality and good package 3.Fast and safety delivery by well-reputed shipping line; 4.Better payment term and cost advantage: the origin of medicinal materials for the low purchase pric
Cas:4664-57-7
Min.Order:1 Kilogram
FOB Price: $8.5
Type:Trading Company
inquiryPrice, 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
Tert-butyl 4-methylbenzenesulfonate 4664-57-7Appearance:solid or liquid 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 lik
Cas:4664-57-7
Min.Order:0
Negotiable
Type:Trading Company
inquiryTopbatt Chemical Co., Ltd., Established in 2019, located in Shenzhen, Guangdong Province, is a Manufacturer and Trading company which specialized in fine chemicals like Pharmaceutical Reference Standards and Stable Isotopes. Our Stable Isotopes produ
High purity Application:Pharmaceutical intermediates, Material synthesis and analyzing the expectant ingredients
p-toluenesulfonyl chloride
tert-butyl alcohol
tert-butyl 4-methylbenzenesulfonate
Conditions | Yield |
---|---|
With aluminum dodecatungstophosphate at 20℃; for 0.25h; | 80% |
indium In N,N-dimethyl-formamide at 120℃; for 12h; | 79% |
With potassium carbonate In acetonitrile at 50℃; |
4-methylbenzenediazonium tetrafluoroborate
tert-butyl alcohol
tert-butyl 4-methylbenzenesulfonate
Conditions | Yield |
---|---|
With 1,4-diazabicyclo [2.2.2] octane-1,4-diium-1,4-disulfinate; trifluoroacetic acid; copper(ll) bromide In dichloromethane at 20℃; for 12h; | 12 mg |
(15β,16α)-16-hydroxy-15-(hydroxymethyl)beyeran-18-oic acid
tert-butyl 4-methylbenzenesulfonate
t-butyl ent-15α-hydroxymethyl-16β-hydroxybeyeran-19-oate
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile | 94% |
tert-butyl 4-methylbenzenesulfonate
A
bis(tert-butyl) diselenide
Conditions | Yield |
---|---|
With selenium; potassium hydroxide In water at 60℃; for 0.5h; Green chemistry; | A 10% B 89% |
tert-butyl 4-methylbenzenesulfonate
A
di-tert-butyl disulfide
B
di-tert-butyl trisulfide
Conditions | Yield |
---|---|
With sulfur; potassium hydroxide In water at 60℃; for 0.5h; Green chemistry; | A 10% B 86% |
Conditions | Yield |
---|---|
With potassium 5-methyl-1,3,4-oxadiazole-2-thiolate In water at 40℃; for 1.5h; | 85% |
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