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:133-74-4
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
Cas:133-74-4
Min.Order:0 Metric Ton
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:133-74-4
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:133-74-4
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
Cas:133-74-4
Min.Order:1 Kilogram
FOB Price: $15.0 / 50.0
Type:Trading Company
inquiry1.No Less 8 years exporting experience. Clients 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 Specialized
Cas:133-74-4
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry5-Chloroorthanilic acid CAS:133-74-4 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 quality organic in
Cas:133-74-4
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:133-74-4
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryName:5-Chloroorthanilicacid Synonyms:2-Amino-5-chlorobenzenesulphonicacid 1.We have been specializing in special fine chemical for long, with strong R&D strength. 2.ISO9001. 3.We have been cooperating with oversea from Europe, USA, Ko
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
Cas:133-74-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
Cas:133-74-4
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryMassive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and als
Cas:133-74-4
Min.Order:1 Gram
FOB Price: $1.0
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:133-74-4
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryProduct name: 4-Chloroaniline-2-Sulfonic Acid CAS No.:133-74-4 Molecule Formula:C6H6ClNO3S Molecule Weight:207.63 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard
Cas:133-74-4
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryProduct Name: 5-Chloroorthanilic acid Synonyms: P-chloroaniline-2-sulfonic acid;Diazoxide Impurity 1;4-CHLOROANILINE-2-SULFONIC ACID;2-AMINO-5-CHLOROBENZENESULFONIC ACID;4-chloroaniline-2-sulphonic acid;p-Chloroaniline-o-sulfonic acid;2-azanyl-
Cas:133-74-4
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:133-74-4
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquirysuperior quality Appearance:white crystalline powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Used as Pharmaceutical Intermediates Transpor
Cas:133-74-4
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryHigh quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:133-74-4
Min.Order:0
Negotiable
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:133-74-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
stable supply&competitive price Storage:Available Package:25KG Or as client requirement Application:Important pharm intermediate Transportation:By air or By sea
Hunan chemfish Pharmaceutical co.,Ltd a comprehensive enterprise, is located in High-Tech Science Park,Changsha,Chia . Specializing in R&D, manufacture and marketing, we provide a wide range of products and the most professional services to meet the
Cas:133-74-4
Min.Order:0
Negotiable
Type:Manufacturers
inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
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:Beijing or Guangzhou
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:133-74-4
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:133-74-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAmoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi
Best quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
Cas:133-74-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With [RuCl(P(C6H5)3)2(O(C6H4)NCH(C4H3N))]; bromamine B; sodium hydroxide In water; acetonitrile at 39.84℃; for 5.5h; | 95% |
Conditions | Yield |
---|---|
With sulfuric acid for 0.05h; microwave irradiation; | 87% |
With sulfuric acid at 170 - 180℃; for 5h; | 60% |
With diphenyl sulphone; sulfuric acid |
(4-chloro-phenyl)-amidosulfuric acid
2-amino-5-chlorobenzenesulfonic acid
Conditions | Yield |
---|---|
at 200℃; Beim Erhitzen der N-<4-chlor-phenyl>-sulfamidsauren Salze; |
4-chloro-aniline
A
4-chloroaniline-3-sulfonic acid
B
2-amino-5-chlorobenzenesulfonic acid
Conditions | Yield |
---|---|
With sulfuric acid |
Conditions | Yield |
---|---|
With sulfuric acid at 180℃; | |
With sulfuric acid at 140 - 170℃; |
sulfuric acid
N-(4-chlorophenyl)acetamide
2-amino-5-chlorobenzenesulfonic acid
Conditions | Yield |
---|---|
at 180℃; |
Conditions | Yield |
---|---|
Hydrolysis; |
aminosulfonic acid
4-chloro-aniline
2-amino-5-chlorobenzenesulfonic acid
Conditions | Yield |
---|---|
at 230℃; |
thiophene
sulfuric acid
4-chloro-aniline
2-amino-5-chlorobenzenesulfonic acid
2-amino-5-chlorobenzenesulfonic acid
Conditions | Yield |
---|---|
Stage #1: 2-amino-5-chlorobenzenesulfonic acid With hydrogenchloride; sodium nitrite In water at 5℃; for 0.25h; Cooling with ice; Stage #2: With hydrogenchloride; copper; sodium carbonate In water at 0 - 25℃; for 0.5h; Reagent/catalyst; Solvent; Cooling with ice; | 77% |
Conditions | Yield |
---|---|
With NH4OH In methanol; water byproducts: CO2; aq. soln. of sulfonic acid added to solid Ag2CO3, stirred to complete CO2 formation, MeOH soln. hmt added (2:1:2 molar ratio), pptd.; ppt. dissolved in concd. ammonia, crystd. on storage in dark for 5 d, elem. anal.; | 71% |
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