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:88-51-7
Min.Order:1 Kilogram
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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:88-51-7
Min.Order:1 Kilogram
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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:88-51-7
Min.Order:1
Negotiable
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inquiry1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:88-51-7
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
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:88-51-7
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
Cas:88-51-7
Min.Order:1 Kilogram
FOB Price: $9.0 / 99.0
Type:Trading Company
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:88-51-7
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryOur 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:88-51-7
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryProduct Name: 2-Amino-4-chloro-5-methylbenzenesulfonic acid Synonyms: 2-Amino-4-Chloro-3-methylbenzenesulfonicacid;2-amino-4-chloro-5-methyl-benzenesulfonicaci;2-chloro-4-toluidine-5-sulfonicacid;2-chloro-p-toluidine-5-sulfoni
Cas:88-51-7
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Other
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:88-51-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
Cas:88-51-7
Min.Order:1 Kilogram
FOB Price: $10.0 / 100.0
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:88-51-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryBest quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
Cas:88-51-7
Min.Order:0
Negotiable
Type:Manufacturers
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:88-51-7
Min.Order:0 Metric Ton
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:88-51-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:88-51-7
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquirysuprior 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 dye Intermediates Transportation:as pe
Cas:88-51-7
Min.Order:1 Metric Ton
Negotiable
Type:Trading Company
inquiry2-Amino-4-chloro-5-methylbenzenesulfonic acid Chemical Properties CAS DataBase Reference 88-51-7(CAS DataBase Reference) EPA Substance Registry System Benzenesu
Cas:88-51-7
Min.Order:1 Metric Ton
FOB Price: $20.0
Type:Lab/Research institutions
inquiryProduct name: O-Chloro Paratoluidine-5-Sulfonric Acid CAS No.:88-51-7 Molecule Formula:C7H8ClNO3S Molecule Weight:221.66 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard
Cas:88-51-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
Cas:88-51-7
Min.Order:1 Milligram
Negotiable
Type:Trading Company
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:88-51-7
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryHangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu
Cas:88-51-7
Min.Order:0
Negotiable
Type:Trading Company
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:88-51-7
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
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:88-51-7
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:88-51-7
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Cas:88-51-7
Min.Order:0
Negotiable
Type:Manufacturers
inquirySAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe
Cas:88-51-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Cas:88-51-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:88-51-7
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:88-51-7
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryConditions | Yield |
---|---|
With sulfuric acid In 1,2-dichloro-benzene at 240℃; for 8h; Autoclave; | 99.1% |
With sulfuric acid In 1,2-dichloro-benzene at 240℃; for 8.5h; Temperature; Dean-Stark; | 99.2% |
durch Sulfurierung; |
6-amino-4-chloro-meta-toluenesulfonic acid
thiophene
sulfuric acid
3-chloro-p-toluidine
6-amino-4-chloro-meta-toluenesulfonic acid
6-amino-4-chloro-meta-toluenesulfonic acid
Conditions | Yield |
---|---|
at 199.84℃; |
6-amino-4-chloro-meta-toluenesulfonic acid
Conditions | Yield |
---|---|
at 219.84℃; |
6-amino-4-chloro-meta-toluenesulfonic acid
Conditions | Yield |
---|---|
at 239.84℃; |
Conditions | Yield |
---|---|
Heating; |
Conditions | Yield |
---|---|
Stage #1: 6-amino-4-chloro-meta-toluenesulfonic acid With sulfuric acid; potassium hydroxide In water at 20℃; pH=1-2; Cooling with ice; Stage #2: With nitrosylsulfuric acid In water at 10℃; for 0.833333h; pH=1; Stage #3: BARBITURIC ACID With potassium hydroxide In water at 25 - 30℃; for 1h; pH=3; | 98% |
Stage #1: 6-amino-4-chloro-meta-toluenesulfonic acid With potassium hydroxide In water Stage #2: With nitrosylsulfuric acid; sulfuric acid In water at 10℃; for 0.833333h; pH=1; Stage #3: BARBITURIC ACID With potassium hydroxide In water at 25 - 30℃; for 1h; pH=2 - 3; |
Conditions | Yield |
---|---|
Stage #1: 6-amino-4-chloro-meta-toluenesulfonic acid With hydrogenchloride; sodium hydroxide; sodium nitrite In water at 20.84℃; for 0.5h; Stage #2: 3-Hydroxy-2-naphthoic acid With aminosulfonic acid; sodium hydroxide In water for 2h; | 95% |
(fluorenylmethoxy)carbonyl chloride
6-amino-4-chloro-meta-toluenesulfonic acid
4-chloro-2-(9H-fluoren-9-ylmethoxycarbonylamino)-5-methylbenzenesulfonic acid
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In 1,4-dioxane; water | 89% |
6-amino-4-chloro-meta-toluenesulfonic acid
3-Bromophenyl isocyanate
2-[3-(3-bromo-phenyl)-ureido]-4-chloro-5-methyl-benzenesulfonic acid
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 20℃; | 65% |
6-amino-4-chloro-meta-toluenesulfonic acid
4-chloro-2-[3-(1H-indol-2-yl)-ureido]-5-methyl-benzenesulphonic acid
Conditions | Yield |
---|---|
Stage #1: Indole-2-carboxylic acid With diphenyl phosphoryl azide; triethylamine In toluene at 20℃; for 0.5h; Stage #2: 6-amino-4-chloro-meta-toluenesulfonic acid With triethylamine at 80℃; for 3h; Stage #3: With hydrogenchloride In water; ethyl acetate | 53% |
6-amino-4-chloro-meta-toluenesulfonic acid
2-amino-4-chloro-5-methyl benzenesulfonyl chloride
Conditions | Yield |
---|---|
With chlorosulphuric acid | |
Stage #1: 6-amino-4-chloro-meta-toluenesulfonic acid With sulfuryl dichloride In dichloromethane at 60℃; for 1h; Stage #2: With thionyl chloride In dichloromethane at 100℃; for 7h; | 2.2 g |
With chlorosulphuric acid |
6-amino-4-chloro-meta-toluenesulfonic acid
Conditions | Yield |
---|---|
ueber die Diazonium-Verbindung; |
6-amino-4-chloro-meta-toluenesulfonic acid
Conditions | Yield |
---|---|
Diazotization; |
6-amino-4-chloro-meta-toluenesulfonic acid
2-amino-4-chloro-5-methyl-benzenesulfonamide
Conditions | Yield |
---|---|
(i) ClSO3H, NaCl, (heating), (ii) aq. NH3; Multistep reaction; |
6-amino-4-chloro-meta-toluenesulfonic acid
2-azido-4-chloro-5-methylbenzenesulfonic acid
Conditions | Yield |
---|---|
Stage #1: 6-amino-4-chloro-meta-toluenesulfonic acid With sulfuric acid; sodium nitrite In water at 0℃; for 0.5h; Stage #2: With sodium azide In water at 0 - 20℃; for 12h; |
6-amino-4-chloro-meta-toluenesulfonic acid
(S)-methyl 1-(2-amino-4-chloro-5-methylphenylsulfonyl)pyrrolidine-2-carboxylate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: sulfuryl chloride / CH2Cl2 / 1 h / 60 °C 1.2: 2.2 g / thionyl chloride / CH2Cl2 / 7 h / 100 °C 2.1: 75 percent / pyridine / 4 h / 20 °C View Scheme |
6-amino-4-chloro-meta-toluenesulfonic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: sulfuryl chloride / CH2Cl2 / 1 h / 60 °C 1.2: 2.2 g / thionyl chloride / CH2Cl2 / 7 h / 100 °C 2.1: 75 percent / pyridine / 4 h / 20 °C 3.1: 88 percent / aq. NaOH / ethanol View Scheme |
6-amino-4-chloro-meta-toluenesulfonic acid
2-azido-4-chloro-5-methylbenzenesulfonamide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: NaNO2; H2SO4 / H2O / 0.5 h / 0 °C 1.2: NaN3 / H2O / 12 h / 0 - 20 °C 2.1: oxalyl chloride / CH2Cl2; dimethylformamide / 3 h / Heating 3.1: 75 percent / NH3 / dioxane; CH2Cl2 / 3 h / 25 °C View Scheme |
6-amino-4-chloro-meta-toluenesulfonic acid
2-azido-4-chloro-5-methyl-benzenesulfonyl chloride
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: NaNO2; H2SO4 / H2O / 0.5 h / 0 °C 1.2: NaN3 / H2O / 12 h / 0 - 20 °C 2.1: oxalyl chloride / CH2Cl2; dimethylformamide / 3 h / Heating View Scheme |
6-amino-4-chloro-meta-toluenesulfonic acid
2-azido-4-chloro-N-(2-methoxyethyl)-5-methylbenzenesulfonamide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: NaNO2; H2SO4 / H2O / 0.5 h / 0 °C 1.2: NaN3 / H2O / 12 h / 0 - 20 °C 2.1: oxalyl chloride / CH2Cl2; dimethylformamide / 3 h / Heating 3.1: ethyldiisopropylamine / CH2Cl2 / 6 h / 25 °C View Scheme |
6-amino-4-chloro-meta-toluenesulfonic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: NaNO2; H2SO4 / H2O / 0.5 h / 0 °C 1.2: NaN3 / H2O / 12 h / 0 - 20 °C 2.1: oxalyl chloride / CH2Cl2; dimethylformamide / 3 h / Heating 3.1: 75 percent / NH3 / dioxane; CH2Cl2 / 3 h / 25 °C 4.1: triphenylphosphine resin / CH2Cl2; tetrahydrofuran / 16 h / 25 °C 4.2: 55 percent / 1,2-dichloro-ethane; tetrahydrofuran / 24 h / 80 °C View Scheme |
6-amino-4-chloro-meta-toluenesulfonic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: NaNO2; H2SO4 / H2O / 0.5 h / 0 °C 1.2: NaN3 / H2O / 12 h / 0 - 20 °C 2.1: oxalyl chloride / CH2Cl2; dimethylformamide / 3 h / Heating 3.1: 75 percent / NH3 / dioxane; CH2Cl2 / 3 h / 25 °C 4.1: triphenylphosphine resin / CH2Cl2; tetrahydrofuran / 16 h / 25 °C 4.2: 45 percent / 1,2-dichloro-ethane; tetrahydrofuran / 24 h / 80 °C View Scheme |
6-amino-4-chloro-meta-toluenesulfonic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: NaNO2; H2SO4 / H2O / 0.5 h / 0 °C 1.2: NaN3 / H2O / 12 h / 0 - 20 °C 2.1: oxalyl chloride / CH2Cl2; dimethylformamide / 3 h / Heating 3.1: ethyldiisopropylamine / CH2Cl2 / 6 h / 25 °C 4.1: triphenylphosphine resin / CH2Cl2 / 16 h / 25 °C 4.2: 45 percent / 1,2-dichloro-ethane / 24 h / 80 °C View Scheme |
6-amino-4-chloro-meta-toluenesulfonic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: NaNO2; H2SO4 / H2O / 0.5 h / 0 °C 1.2: NaN3 / H2O / 12 h / 0 - 20 °C 2.1: oxalyl chloride / CH2Cl2; dimethylformamide / 3 h / Heating 3.1: ethyldiisopropylamine / CH2Cl2 / 6 h / 25 °C 4.1: triphenylphosphine resin / CH2Cl2 / 16 h / 25 °C 4.2: 80 percent / 1,2-dichloro-ethane / 24 h / 80 °C View Scheme |
6-amino-4-chloro-meta-toluenesulfonic acid
C7H6ClN2O3S(1+)*Cl(1-)
Conditions | Yield |
---|---|
With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 2h; Product distribution / selectivity; |
6-amino-4-chloro-meta-toluenesulfonic acid
1-(3'-sulfophenyl)-3-methyl-5-pyrazolone
Conditions | Yield |
---|---|
Stage #1: 6-amino-4-chloro-meta-toluenesulfonic acid With hydrogenchloride; sodium nitrite Stage #2: 1-(3'-sulfophenyl)-3-methyl-5-pyrazolone With sodium hydroxide Stage #3: With water; calcium chloride at 80℃; |
6-amino-4-chloro-meta-toluenesulfonic acid
3-Hydroxy-2-naphthoic acid
4-[(5-chloro-4-methyl-2-sulfophenyl)azo]-3-hydroxy-2-naphthoic acid
Conditions | Yield |
---|---|
Stage #1: 6-amino-4-chloro-meta-toluenesulfonic acid With sodium hydroxide In water Stage #2: With hydrogenchloride; sodium acetate; sodium nitrite In water at 10℃; pH=3 - 4; Stage #3: 3-Hydroxy-2-naphthoic acid In water at 15 - 60℃; for 3.5h; | |
Stage #1: 6-amino-4-chloro-meta-toluenesulfonic acid With hydrogenchloride; sodium nitrite In water at 0℃; for 1h; Stage #2: 3-Hydroxy-2-naphthoic acid With stearic acid; sodium hydroxide In water at 12℃; for 1.5h; Reagent/catalyst; Temperature; |
6-amino-4-chloro-meta-toluenesulfonic acid
4-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulfonic acid
Conditions | Yield |
---|---|
Stage #1: 6-amino-4-chloro-meta-toluenesulfonic acid; 4-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulfonic acid With hydrogenchloride; sodium hydroxide; sodium nitrite In water at 40 - 80℃; pH=6 - 6.5; Stage #2: With calcium chloride In water at 80℃; for 2h; |
6-amino-4-chloro-meta-toluenesulfonic acid
4-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulfonic acid
Conditions | Yield |
---|---|
Stage #1: 6-amino-4-chloro-meta-toluenesulfonic acid; 4-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulfonic acid With hydrogenchloride; sodium hydroxide; sodium nitrite In water at 40 - 80℃; pH=6 - 6.5; Stage #2: With strontium chloride In water at 80℃; for 2h; |
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