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Hebei Sankai Chemical Technology Co., Ltd

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

tert-Butyl Tosylate DISCONTINUED cas4664-57-7

Cas:4664-57-7

Min.Order:1 Kilogram

FOB Price: $7.0 / 9.0

Type:Trading Company

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Dayang Chem (Hangzhou) Co.,Ltd.

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 according to the contract research and development services for the fine chemicals, ph

tert-Butyl tosylate

Cas:4664-57-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Shanghai Upbio Tech Co.,Ltd

1.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

Benzenesulfonic acid, 4-methyl-, 1,1-dimethylethyl ester

Cas:4664-57-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Shandong Hanjiang Chemical Co., Ltd.

Hello, 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

Benzenesulfonic acid, 4-methyl-, 1,1-dimethylethyl ester

Cas:4664-57-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Henan Wentao Chemical Product Co., Ltd.

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

Benzenesulfonic acid, 4-methyl-, 1,1-dimethylethyl ester

Cas:4664-57-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Shanghai Minstar Chemical Co., Ltd

Product 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:

tert-Butyl Tosylate DISCONTINUED

Cas:4664-57-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu 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

tert-Butyl Tosylate DISCONTINUED

Cas:4664-57-7

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

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KAISA GROUP INC

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

4664-57-7 CAS NO.4664-57-7

Cas:4664-57-7

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

Type:Trading Company

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Hangzhou J&H Chemical Co., Ltd.

J&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

tert-Butyl Tosylate DISCONTINUED

Cas:4664-57-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Henan Tianfu Chemical Co., Ltd.

1.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.

Benzenesulfonic acid, 4-methyl-, 1,1-dimethylethyl ester

Cas:4664-57-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

tert-Butyl Tosylate DISCONTINUED

Cas:4664-57-7

Min.Order:0

Negotiable

Type:Manufacturers

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Wuhan Circle Star Chem-medical Technology co.,Ltd.

1,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

tert-Butyl Tosylate

Cas:4664-57-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Antimex Chemical Limied

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

Benzenesulfonic acid, 4-methyl-, 1,1-dimethylethyl ester

Cas:4664-57-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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DB BIOTECH CO., LTD

best seller Application:API

tert-Butyl Tosylate DISCONTINUED

Cas:4664-57-7

Min.Order:0

Negotiable

Type:Trading Company

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Changchun Artel lmport and Export trade company

Supply top quality products with a reasonable price Application:api

4664-57-7

Cas:4664-57-7

Min.Order:0

Negotiable

Type:Trading Company

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NANJING SUNNY PHARMATECH CO., LTD

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

tert-Butyl Tosylate DISCONTINUED

Cas:4664-57-7

Min.Order:0

Negotiable

Type:Trading Company

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Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

tert-Butyl Tosylate DISCONTINUED

Cas:4664-57-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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SAGECHEM LIMITED

laboratory Application:Synthetic building block

Benzenesulfonic acid, 4-methyl-, 1,1-dimethylethyl ester

Cas:4664-57-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

4664-57-7

Cas:4664-57-7

Min.Order:0

Negotiable

Type:Trading Company

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Hebei Muhuang Technology Co., Ltd

best seller Application:API

tert-Butyl Tosylate DISCONTINUED

Cas:4664-57-7

Min.Order:0

Negotiable

Type:Trading Company

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Hunan Russell Chemicals Technology Co.,Ltd

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

Tert-butyl 4-methylbenzenesulfonate 4664-57-7

Cas:4664-57-7

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shenzhen Foris Technology Co. LTD

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

Tert-butyl 4-methylbenzenesulfonate 4664-57-7

Cas:4664-57-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

tert-Butyl Tosylate DISCONTINUED

Cas:4664-57-7

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Amadis Chemical Co., Ltd.

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

Tert-Butyl Tosylate

Cas:4664-57-7

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

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Hebei youze Biotechnology Co.,Ltd

1. 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

Superior quality 2-Methyl-2-propanyl 4-methylbenzenesulfonate

Cas:4664-57-7

Min.Order:1 Kilogram

FOB Price: $8.5

Type:Trading Company

inquiry

Jilin haofei import and export trade Co.,Ltd

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

4664-57-7 CAS NO.4664-57-7

Cas:4664-57-7

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Nanjing Raymon Biotech Co., Ltd.

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

Tert-butyl 4-methylbenzenesulfonate 4664-57-7

Cas:4664-57-7

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Topbatt Chemical Co., Ltd.

Topbatt 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

tert-Butyl Tosylate

Cas:4664-57-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

NovaChemistry

High purity Application:Pharmaceutical intermediates, Material synthesis and analyzing the expectant ingredients

tert-Butyl Tosylate

Cas:4664-57-7

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

tert-butyl alcohol
75-65-0

tert-butyl alcohol

tert-butyl 4-methylbenzenesulfonate
4664-57-7

tert-butyl 4-methylbenzenesulfonate

Conditions
ConditionsYield
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
459-44-9

4-methylbenzenediazonium tetrafluoroborate

tert-butyl alcohol
75-65-0

tert-butyl alcohol

tert-butyl 4-methylbenzenesulfonate
4664-57-7

tert-butyl 4-methylbenzenesulfonate

Conditions
ConditionsYield
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
882175-40-8

(15β,16α)-16-hydroxy-15-(hydroxymethyl)beyeran-18-oic acid

tert-butyl 4-methylbenzenesulfonate
4664-57-7

tert-butyl 4-methylbenzenesulfonate

t-butyl ent-15α-hydroxymethyl-16β-hydroxybeyeran-19-oate
1143506-01-7

t-butyl ent-15α-hydroxymethyl-16β-hydroxybeyeran-19-oate

Conditions
ConditionsYield
With potassium carbonate In acetonitrile94%
tert-butyl 4-methylbenzenesulfonate
4664-57-7

tert-butyl 4-methylbenzenesulfonate

A

bis(tert-butyl) diselenide
34172-61-7

bis(tert-butyl) diselenide

B

1,3-di-tert-butyl triselenide

1,3-di-tert-butyl triselenide

Conditions
ConditionsYield
With selenium; potassium hydroxide In water at 60℃; for 0.5h; Green chemistry;A 10%
B 89%
tert-butyl 4-methylbenzenesulfonate
4664-57-7

tert-butyl 4-methylbenzenesulfonate

A

di-tert-butyl disulfide
110-06-5

di-tert-butyl disulfide

B

di-tert-butyl trisulfide
4253-90-1

di-tert-butyl trisulfide

Conditions
ConditionsYield
With sulfur; potassium hydroxide In water at 60℃; for 0.5h; Green chemistry;A 10%
B 86%
tert-butyl 4-methylbenzenesulfonate
4664-57-7

tert-butyl 4-methylbenzenesulfonate

di-tert-butyl trisulfide
4253-90-1

di-tert-butyl trisulfide

Conditions
ConditionsYield
With potassium 5-methyl-1,3,4-oxadiazole-2-thiolate In water at 40℃; for 1.5h;85%

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