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:5042-33-1
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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
Our 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:5042-33-1
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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:5042-33-1
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1.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
Cas:5042-33-1
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry2-NITROANILINE-4-SULFONIC ACID SODIUM SALT CAS:5042-33-1 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high
Cas:5042-33-1
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:5042-33-1
Min.Order:1 Kilogram
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:5042-33-1
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:5042-33-1
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
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:5042-33-1
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
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.
Cas:5042-33-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirybest seller Application:API
Cas:5042-33-1
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:5042-33-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAppearance: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:5042-33-1
Min.Order:0
Negotiable
Type:Trading Company
inquirybest seller Application:API
Cas:5042-33-1
Min.Order:0
Negotiable
Type:Trading Company
inquiry2-NITROANILINE-4-SULFONIC ACID SODIUM SALTAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:5042-33-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryGood Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
best seller Application:API
Cas:5042-33-1
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:5042-33-1
Min.Order:0
Negotiable
Type:Trading Company
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:5042-33-1
Min.Order:1 Gram
FOB Price: $1.0 / 2.0
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:5042-33-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryFINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the 2-NITROANILINE-4-SULFONIC ACID SODIUM SALT, CAS:5042-33-1 with the most competitive p
Cas:5042-33-1
Min.Order:0
Negotiable
Type:Trading Company
inquiryBenzenesulfonic acid,4-amino-3-nitro-, 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 like DHL or Fedx.
Cas:5042-33-1
Min.Order:0
Negotiable
Type:Trading Company
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:5042-33-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryYUYONGMEI was established in Aug,1999, located in the industrial park of Nanjing University of Technology, It is a private enterprises in Jiangsu Province with 1200 square meters’ R&D center. Our R&D center has a well-equipped synthetic laboratory a
Cas:5042-33-1
Min.Order:0
Negotiable
Type:Trading Company
inquiryManufacturer,strong R&D,professional team Storage:Store in a cool, dry place. Store in a tightly closed container. Package:according to your requirement Application:ZhiShang Chemical is owned by ZhiShang Group, is a professional new-type chemicals en
Cas:5042-33-1
Min.Order:0
Negotiable
Type:Trading Company
inquiryethyl<(4-chlorosulfonyl-2-nitro)phenyl>carbamate
sodium salt of 4-amino-3-nitrobenzenesulfonic acid
Conditions | Yield |
---|---|
With hydrogenchloride; sodium hydroxide 1.) ethanol, reflux, 4 h, 2.) water; Multistep reaction; |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 72 percent / chlorosulfonic acid / 3 h / 55 - 65 °C 2: NaNO3, conc. H2SO4 / 3 h / 0 - 5 °C 3: 1.) aq. NaOH, 2.) hydrochloric acid / 1.) ethanol, reflux, 4 h, 2.) water View Scheme |
ethyl 4-(chlorosulfonyl)phenylcarbamate
sodium salt of 4-amino-3-nitrobenzenesulfonic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: NaNO3, conc. H2SO4 / 3 h / 0 - 5 °C 2: 1.) aq. NaOH, 2.) hydrochloric acid / 1.) ethanol, reflux, 4 h, 2.) water View Scheme |
N-(ethoxycarbonyl)-2-nitroaniline
sodium salt of 4-amino-3-nitrobenzenesulfonic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 0.39 g / chlorosulfonic acid 2: 1.) aq. NaOH, 2.) hydrochloric acid / 1.) ethanol, reflux, 4 h, 2.) water View Scheme |
sodium salt of 4-amino-3-nitrobenzenesulfonic acid
4-amino-3-nitrobenzenesulfonyl chloride
Conditions | Yield |
---|---|
With trichlorophosphate | 87% |
sodium salt of 4-amino-3-nitrobenzenesulfonic acid
Conditions | Yield |
---|---|
With tin(ll) chloride at 70℃; Reduction; |
sodium salt of 4-amino-3-nitrobenzenesulfonic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: SnCl2 / 70 °C 2: HCl; water / 96 h / Heating View Scheme |
sodium salt of 4-amino-3-nitrobenzenesulfonic acid
Conditions | Yield |
---|---|
Stage #1: sodium salt of 4-amino-3-nitrobenzenesulfonic acid With hydrogenchloride; sodium nitrite In water for 0.5h; pH=4 - 5; Stage #2: 2-(3-sulfopropylthio)-5-acetylaminoaniline With sodium carbonate In water for 3.08333h; pH=3 - 5; |
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