Dayangchem's 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. DayangChem can provide different quantities
Cas:2657-00-3
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryhigh quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
Cas:2657-00-3
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquiryThe above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
Cas:2657-00-3
Min.Order:1
Negotiable
Type:Other
inquiryOur main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Cas:2657-00-3
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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
Zibo 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:2657-00-3
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Cas:2657-00-3
Min.Order:0
Negotiable
Type:Manufacturers
inquiryProduct Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
Cas:2657-00-3
Min.Order:1 Kilogram
FOB Price: $112.0
Type:Trading Company
inquiryGood quantity Storage:R.T. Package:as per buyers Application:intermediate Transportation:by air/sea
Cas:2657-00-3
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:2657-00-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:2657-00-3
Min.Order:0
Negotiable
Type:Trading Company
inquiry1.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:2657-00-3
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiry
Cas:2657-00-3
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:2657-00-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryBetterbiochem 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
Cas:2657-00-3
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:2657-00-3
Min.Order:1 Gram
FOB Price: $1.0 / 2.0
Type:Trading Company
inquiry1.Professional manufacturer 2.Best price 3.Prompt before and after sale service 4.Quality guarantee 5.Fast delvery 6.Reliable and truthworthy supplier Package:25kg/drum,180kg/drum Application:for chemcial Transport
Cas:2657-00-3
Min.Order:1 Kilogram
FOB Price: $8.0 / 10.0
Type:Trading Company
inquiryUnited Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
Cas:2657-00-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryJoyinchem have been committed to chemical supply for several years and have built good cooperation records with multinational chemical corporations and importers from all over the world. Our services include:-Spot goods-Contract manufacturing-Custom
Cas:2657-00-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry2-Diazo-1-naphthol-5-sulfonic acid sodium salt Application:826888
Cas:2657-00-3
Min.Order:1 Gram
FOB Price: $500.0
Type:Trading Company
inquiryShanghai, Run-Biotech Co., Ltd is a leading domestic pharmaceutical, biopharmaceutical, and health care products R & D outsourcing services company. As an innovation-driven and customer-focused company, Run Biotech provides a broad and integrated por
Cas:2657-00-3
Min.Order:0
Negotiable
Type:Trading Company
inquiry1-Naphthalenesulfonicacid, 6-diazo-5,6-dihydro-5-oxo-, sodium salt (1:1) 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 li
Cas:2657-00-3
Min.Order:0
Negotiable
Type:Trading Company
inquiryDo best quality products, erect the morality model Application:please email us, thanks
Cas:2657-00-3
Min.Order:0
Negotiable
Type:Other
inquiryGood Price, high main content Application:Catalytic agent; Petrochemical additive; Used in organic synthesis
Cas:2657-00-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryApplication:Pharmaceutical intermediates
Cas:2657-00-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirySupply top quality products with a reasonable price Application:api
Debyesci is here who supplied several kinds of chemical products to global pharmaceutical, drug discovery, agrochemical and biotechnology industries for four yearsOur key scientific leadership team has gained experience in top research and developmen
Cas:2657-00-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHigh quality Application:Pharmaceutial
Cas:2657-00-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1.We are specializing in providing customers with complete chemical raw materials.2.Superior quality, moderate price & quick delivery.3. Extensive international cooperation experience.4. Outstanding communication skills. Application:contact us for de
Cas:2657-00-3
Min.Order:0
Negotiable
Type:Trading Company
inquiryCas:2657-00-3
Min.Order:0
Negotiable
Type:Trading Company
inquiryBisphenol B
sodium 2-diazo-1-oxo-1,2-dihydronaphthalene-5-sulfonate
4-(1-(4-((6-diazo-5-oxo-5,6-dihydro-1-naphthalenyl)sulfonyl)oxyphenyl)-1-methylpropyl)phenyl 6-diazo-5-oxo-5,6-dihydro-1-naphthalenesulfonate
Conditions | Yield |
---|---|
Stage #1: sodium 2-diazo-1-oxo-1,2-dihydronaphthalene-5-sulfonate With bis(trichloromethyl) carbonate; triethylamine In dichloromethane at -50℃; for 1.33333h; Stage #2: Bisphenol B With triethylamine In dichloromethane at 0℃; for 1h; Excluding light; | 100% |
sodium 2-diazo-1-oxo-1,2-dihydronaphthalene-5-sulfonate
2-diazo-1-oxo-1,2-dihydronaphthalene-4-sulfonyl chloride
Conditions | Yield |
---|---|
With triethylamine; trichloromethyl chloroformate In dichloromethane at -50℃; for 1.33333 - 1.5h; Product distribution / selectivity; | 80% |
With bis(trichloromethyl) carbonate; triethylamine In dichloromethane at -50℃; for 1.33333h; Product distribution / selectivity; | 80% |
With bis(trichloromethyl) carbonate; triethylamine In dichloromethane at -50℃; for 1.33333h; Product distribution / selectivity; |
sodium 2-diazo-1-oxo-1,2-dihydronaphthalene-5-sulfonate
Conditions | Yield |
---|---|
In water Product distribution; Rate constant; Mechanism; Irradiation; irradiation between var. conditions; |
sodium 2-diazo-1-oxo-1,2-dihydronaphthalene-5-sulfonate
Conditions | Yield |
---|---|
Product distribution; Rate constant; laser flash photolysis in methanol or water; |
Conditions | Yield |
---|---|
Quantum yield; Product distribution; Mechanism; Irradiation; other substituted and unsubstituted diazodihydronaphthalenones; other aliphatic alcohols and H2O; |
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