Our 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
Cas:14245-62-6
Min.Order:10 Kilogram
Negotiable
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
Cas:14245-62-6
Min.Order:0
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:14245-62-6
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:14245-62-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryProduct Detail Minimum Order Qty. 10 Gram
Cas:14245-62-6
Min.Order:10 Gram
Negotiable
Type:Trading Company
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
Cas:14245-62-6
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryfactory?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:14245-62-6
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
Cas:14245-62-6
Min.Order:1 Gram
Negotiable
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:14245-62-6
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
inquiryWe 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
Cas:14245-62-6
Min.Order:1 Metric Ton
FOB Price: $1.0
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:Beijing or Guangzhou
Cas:14245-62-6
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:14245-62-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirybest seller Application:API
Cas:14245-62-6
Min.Order:0
Negotiable
Type:Manufacturers
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:14245-62-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe are a trading company aiming at providing high-quality services to customers. Established for many years, with good reputation in the industry Storage:Sealed and preserved Application:Fine chemical intermediates, used as the main raw material for
Cas:14245-62-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirypropan-2-yl ethanesulfonate Application:propan-2-yl ethanesulfonate
Appearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
Cas:14245-62-6
Min.Order:0
Negotiable
Type:Trading Company
inquirybest seller Application:API
Cas:14245-62-6
Min.Order:0
Negotiable
Type:Trading Company
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:14245-62-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirypropan-2-yl ethanesulfonateAppearance:white powder Storage:Sealed,light and oxygen resistant Package:bag/drum Application:Industrial Grade Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(airport to airport) o
Cas:14245-62-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryGood Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
Stable supply of goods and provision of high-quality services Application:As raw materials in the field of medicine and biology
best seller Application:API
Cas:14245-62-6
Min.Order:0
Negotiable
Type:Trading Company
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:14245-62-6
Min.Order:0
Negotiable
Type:Trading Company
inquiryBest Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP
Cas:14245-62-6
Min.Order:0
Negotiable
Type:Trading Company
inquiryOur strength We have clients throughout the world: Professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet your desire. Our Laboratoy We have our own independent lab test center: This ma
Cas:14245-62-6
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryChangzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and
Cas:14245-62-6
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryEthanesulfonic acid isopropyl ester Basic information Product Name: Ethanesulfonic acid isopropyl ester Synonyms: Ethanesulfonic acid isoprop
Cas:14245-62-6
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
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
Cas:14245-62-6
Min.Order:0
Negotiable
Type:Trading Company
inquiryProduct details ProName: propan-2-yl ethanesulfonate CasNo: 14245-62-6 Molecular Formula: C5H12O3S Appearance: powder Application: Pharmaceutical Intermediates DeliveryTime: within 2-3 days after payment PackAge: foil b
Cas:14245-62-6
Min.Order:10 Gram
Negotiable
Type:Trading Company
inquiryConditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 3h; | 75% |
With triethylamine In dichloromethane for 0.333333h; | 60% |
With 2,6-dimethylpyridine; sulfuric acid for 2.5h; Ambient temperature; | 48% |
With triethylamine In dichloromethane at 20℃; Rate constant; |
Conditions | Yield |
---|---|
(i) nBuLi, hexane, THF, (ii) /BRN= 969135/; Multistep reaction; |
isopropyl ethanesulfonate
diethyl chlorophosphate
1-(diethylphosphono)ethanesulfonic acid isopropyl ester
Conditions | Yield |
---|---|
Stage #1: isopropyl ethanesulfonate With n-butyllithium In tetrahydrofuran at -78℃; for 0.333333h; Stage #2: diethyl chlorophosphate In tetrahydrofuran at -78℃; for 0.5h; | 58% |
isopropyl ethanesulfonate
methyl iodide
2-propyl 2-propanesulfonate ester
Conditions | Yield |
---|---|
(i) nBuLi, hexane, THF, (ii) /BRN= 969135/; Multistep reaction; |
4-Nitrobenzylpyridin
isopropyl ethanesulfonate
Conditions | Yield |
---|---|
With phosphate buffer; water In acetone at 37℃; Product distribution; pH 6.0; |
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