Products

Refine

Country

Business Type

Certificate

Display

Dayang Chem (Hangzhou) Co.,Ltd.

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

2-Amino-4-chloro-5-methylbenzenesulfonic acid

Cas:88-51-7

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Simagchem Corporation

Welcome 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

2-Amino-4-chloro-5-methylbenzenesulfonic acid

Cas:88-51-7

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Ality Chemical Corporation

The 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

Factory Supply 4-amino-6-chlorotoluene-3-sulphonic acid

Cas:88-51-7

Min.Order:1

Negotiable

Type:Other

inquiry

Xi'an Xszo Chem Co., Ltd.

1. 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

Large Stock 99.0% 2,5-dichlorosulphanilic acid 88-51-7 Producer

Cas:88-51-7

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Chemwill Asia Co., Ltd.

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

5-Chloro-p-toluidine-2-sulfonic acid (NH2=1)

Cas:88-51-7

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our 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

2-Amino-4-chloro-5-methylbenzenesulfonic acid

Cas:88-51-7

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH 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

Factory direct supply CAS 88-51-7 with best quality

Cas:88-51-7

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Wuhan Han Sheng New Material Technology Co.,Ltd

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

4-amino-6-chlorotoluene-3-sulp 88-51-7

Cas:88-51-7

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Product 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

2-Amino-4-chloro-5-methylbenzenesulfonic acid

Cas:88-51-7

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Shanghai Upbio Tech Co.,Ltd

1.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

2-Amino-4-chloro-5-methylbenzenesulfonic acid 88-51-7

Cas:88-51-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. 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

2-Amino-4-chloro-5-methylbenzenesulfonic acid

Cas:88-51-7

Min.Order:1 Kilogram

FOB Price: $10.0 / 100.0

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

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

2-Amino-4-chloro-5-methylbenzenesulfonic acid

Cas:88-51-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Hisunny Chemical Co.,Ltd

Best 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

2-Amino-4-Chloro-5-Methylbenzenesulfonic Acid (2B Acid)

Cas:88-51-7

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou 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

2-Amino-4-chloro-5-methylbenzenesulfonic acid

Cas:88-51-7

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&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

2-Amino-4-chloro-5-methylbenzenesulfonic acid

Cas:88-51-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We 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

4-amino-6-chlorotoluene-3-sulp

Cas:88-51-7

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

suprior 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

2-Amino-4-chloro-5-methylbenzenesulfonic acid

Cas:88-51-7

Min.Order:1 Metric Ton

Negotiable

Type:Trading Company

inquiry

Henan Tianfu Chemical Co., Ltd.

2-Amino-4-chloro-5-methylbenzenesulfonic acid Chemical Properties CAS DataBase Reference 88-51-7(CAS DataBase Reference) EPA Substance Registry System Benzenesu

88-51-7 2-Amino-4-chloro-5-methylbenzenesulfonic acid

Cas:88-51-7

Min.Order:1 Metric Ton

FOB Price: $20.0

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product 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

Best Quality O-Chloro Paratoluidine-5-Sulfonric Acid

Cas:88-51-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP 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,

2-Amino-4-chloro-5-methylbenzenesulfonicacid

Cas:88-51-7

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

EAST CHEMSOURCES LIMITED

factory?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

2-Amino-4-chloro-5-methylbenzenesulfonic acid

Cas:88-51-7

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Hangzhou Huarong Pharm Co., Ltd.

Hangzhou 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

4-Amino-2-chlorotoluene-5-sulfonic Acid

Cas:88-51-7

Min.Order:0

Negotiable

Type:Trading Company

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu 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

2-Amino-4-chloro-5-methylbenzenesulfonic acid

Cas:88-51-7

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong 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

2-Amino-4-chloro-5-methylbenzenesulfonic acid

Cas:88-51-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.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

4-amino-6-chlorotoluene-3-sulp

Cas:88-51-7

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

2-Amino-4-chloro-5-methylbenzenesulfonic acid

Cas:88-51-7

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

SAGECHEM LIMITED

SAGECHEM 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

SAGECHEM/2-Amino-4-chloro-5-methylbenzenesulfonic acid/SAGECHEM/Manufacturer in China

Cas:88-51-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Suzhou Health Chemicals Co., Ltd.

High 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

2-Amino-4-chloro-5-methylbenzenesulfonic acid

Cas:88-51-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

2-Amino-4-chloro-5-methylbenzenesulfonic acid Cas no.88-51-7 98%

Cas:88-51-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Bluecrystal chem-union

We 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

2-Amino-4-chloro-5-methylbenzenesulfonic acid

Cas:88-51-7

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Synthetic route

3-chloro-p-toluidine
95-74-9

3-chloro-p-toluidine

6-amino-4-chloro-meta-toluenesulfonic acid
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

Conditions
ConditionsYield
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-chloro-4-nitro-toluene-sulfonic acid-(3)

6-chloro-4-nitro-toluene-sulfonic acid-(3)

6-amino-4-chloro-meta-toluenesulfonic acid
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

thiophene
110-01-0

thiophene

sulfuric acid
7664-93-9

sulfuric acid

3-chloro-p-toluidine
95-74-9

3-chloro-p-toluidine

6-amino-4-chloro-meta-toluenesulfonic acid
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

2-picolinium 2-amino-4-chloro-5-methylbenzenesulfonate monohydrate

2-picolinium 2-amino-4-chloro-5-methylbenzenesulfonate monohydrate

6-amino-4-chloro-meta-toluenesulfonic acid
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

Conditions
ConditionsYield
at 199.84℃;
quinolinium 2-amino-4-chloro-5-methylbenzenesulfonate quinoline

quinolinium 2-amino-4-chloro-5-methylbenzenesulfonate quinoline

6-amino-4-chloro-meta-toluenesulfonic acid
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

Conditions
ConditionsYield
at 219.84℃;
bis(1-ammonio-3-chloro-4-methylbenzene)sulfate

bis(1-ammonio-3-chloro-4-methylbenzene)sulfate

6-amino-4-chloro-meta-toluenesulfonic acid
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

Conditions
ConditionsYield
at 239.84℃;
bis(1-ammonio-3-chloro-4-methylbenzene)sulfate

bis(1-ammonio-3-chloro-4-methylbenzene)sulfate

A

6-amino-4-chloro-meta-toluenesulfonic acid
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

B

3-chloro-p-toluidine
95-74-9

3-chloro-p-toluidine

Conditions
ConditionsYield
Heating;
BARBITURIC ACID
67-52-7

BARBITURIC ACID

6-amino-4-chloro-meta-toluenesulfonic acid
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

C11H9ClN4O6S

C11H9ClN4O6S

Conditions
ConditionsYield
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;
6-amino-4-chloro-meta-toluenesulfonic acid
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

3-Hydroxy-2-naphthoic acid
92-70-6

3-Hydroxy-2-naphthoic acid

Pigment Red 48

Pigment Red 48

Conditions
ConditionsYield
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
28920-43-6

(fluorenylmethoxy)carbonyl chloride

6-amino-4-chloro-meta-toluenesulfonic acid
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

4-chloro-2-(9H-fluoren-9-ylmethoxycarbonylamino)-5-methylbenzenesulfonic acid
895917-82-5

4-chloro-2-(9H-fluoren-9-ylmethoxycarbonylamino)-5-methylbenzenesulfonic acid

Conditions
ConditionsYield
With sodium hydrogencarbonate In 1,4-dioxane; water89%
6-amino-4-chloro-meta-toluenesulfonic acid
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

3-Bromophenyl isocyanate
23138-55-8

3-Bromophenyl isocyanate

2-[3-(3-bromo-phenyl)-ureido]-4-chloro-5-methyl-benzenesulfonic acid
697278-42-5

2-[3-(3-bromo-phenyl)-ureido]-4-chloro-5-methyl-benzenesulfonic acid

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran at 20℃;65%
6-amino-4-chloro-meta-toluenesulfonic acid
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

4-chloro-2-[3-(1H-indol-2-yl)-ureido]-5-methyl-benzenesulphonic acid
697278-51-6

4-chloro-2-[3-(1H-indol-2-yl)-ureido]-5-methyl-benzenesulphonic acid

Conditions
ConditionsYield
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
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

2-amino-4-chloro-5-methyl benzenesulfonyl chloride
104613-64-1

2-amino-4-chloro-5-methyl benzenesulfonyl chloride

Conditions
ConditionsYield
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
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

4,6-dichloro-toluene-3-sulfonic acid

4,6-dichloro-toluene-3-sulfonic acid

Conditions
ConditionsYield
ueber die Diazonium-Verbindung;
6-amino-4-chloro-meta-toluenesulfonic acid
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

2-chloro-5-sulfo-toluene-4-diazonium-betaine

2-chloro-5-sulfo-toluene-4-diazonium-betaine

Conditions
ConditionsYield
Diazotization;
6-amino-4-chloro-meta-toluenesulfonic acid
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

2-amino-4-chloro-5-methyl-benzenesulfonamide
55825-29-1

2-amino-4-chloro-5-methyl-benzenesulfonamide

Conditions
ConditionsYield
(i) ClSO3H, NaCl, (heating), (ii) aq. NH3; Multistep reaction;
6-amino-4-chloro-meta-toluenesulfonic acid
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

2-azido-4-chloro-5-methylbenzenesulfonic acid
871832-00-7

2-azido-4-chloro-5-methylbenzenesulfonic acid

Conditions
ConditionsYield
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
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

(S)-methyl 1-(2-amino-4-chloro-5-methylphenylsulfonyl)pyrrolidine-2-carboxylate
895917-83-6

(S)-methyl 1-(2-amino-4-chloro-5-methylphenylsulfonyl)pyrrolidine-2-carboxylate

Conditions
ConditionsYield
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
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

(S)-1-(2-Amino-4-chloro-5-methyl-benzenesulfonyl)-pyrrolidine-2-carboxylic acid

(S)-1-(2-Amino-4-chloro-5-methyl-benzenesulfonyl)-pyrrolidine-2-carboxylic acid

Conditions
ConditionsYield
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
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

2-azido-4-chloro-5-methylbenzenesulfonamide
871832-22-3

2-azido-4-chloro-5-methylbenzenesulfonamide

Conditions
ConditionsYield
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
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

2-azido-4-chloro-5-methyl-benzenesulfonyl chloride
871832-21-2

2-azido-4-chloro-5-methyl-benzenesulfonyl chloride

Conditions
ConditionsYield
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
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

2-azido-4-chloro-N-(2-methoxyethyl)-5-methylbenzenesulfonamide
871832-04-1

2-azido-4-chloro-N-(2-methoxyethyl)-5-methylbenzenesulfonamide

Conditions
ConditionsYield
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
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

3-n-butylamino-6-chloro-7-methyl-2H-1,2,4-benzothiadiazine 1,1-dioxide

3-n-butylamino-6-chloro-7-methyl-2H-1,2,4-benzothiadiazine 1,1-dioxide

Conditions
ConditionsYield
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
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

6-chloro-7-methyl-3-(4-fluorophenylsulfonylamino)-2H-1,2,4-benzothiadiazine 1,1-dioxide

6-chloro-7-methyl-3-(4-fluorophenylsulfonylamino)-2H-1,2,4-benzothiadiazine 1,1-dioxide

Conditions
ConditionsYield
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
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

2-N-(2-methoxyethyl)-3-(3-fluoro-4-methylphenylamino)-6-chloro-7-methyl-2H-1,2,4-benzothiadiazine 1,1-dioxide

2-N-(2-methoxyethyl)-3-(3-fluoro-4-methylphenylamino)-6-chloro-7-methyl-2H-1,2,4-benzothiadiazine 1,1-dioxide

Conditions
ConditionsYield
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
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

2-N-(2-methoxyethyl)-3-(4-fluorophenylsulfonylamino)-6-chloro-7-methyl-2H-1,2,4-benzothiadiazine 1,1-dioxide

2-N-(2-methoxyethyl)-3-(4-fluorophenylsulfonylamino)-6-chloro-7-methyl-2H-1,2,4-benzothiadiazine 1,1-dioxide

Conditions
ConditionsYield
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
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

C7H6ClN2O3S(1+)*Cl(1-)
65151-15-7

C7H6ClN2O3S(1+)*Cl(1-)

Conditions
ConditionsYield
With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 2h; Product distribution / selectivity;
6-amino-4-chloro-meta-toluenesulfonic acid
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

1-(3'-sulfophenyl)-3-methyl-5-pyrazolone
119-17-5

1-(3'-sulfophenyl)-3-methyl-5-pyrazolone

Pigment Yellow 191 monohydrate

Pigment Yellow 191 monohydrate

Conditions
ConditionsYield
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
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

3-Hydroxy-2-naphthoic acid
92-70-6

3-Hydroxy-2-naphthoic acid

4-[(5-chloro-4-methyl-2-sulfophenyl)azo]-3-hydroxy-2-naphthoic acid
16013-44-8

4-[(5-chloro-4-methyl-2-sulfophenyl)azo]-3-hydroxy-2-naphthoic acid

Conditions
ConditionsYield
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
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

4-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulfonic acid
89-36-1

4-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulfonic acid

C17H13ClN4O7S2(2-)*Ca(2+)

C17H13ClN4O7S2(2-)*Ca(2+)

Conditions
ConditionsYield
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
88-51-7

6-amino-4-chloro-meta-toluenesulfonic acid

4-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulfonic acid
89-36-1

4-(4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)benzenesulfonic acid

C17H13ClN4O7S2(2-)*Sr(2+)

C17H13ClN4O7S2(2-)*Sr(2+)

Conditions
ConditionsYield
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;

Hot Products

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View