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
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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
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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
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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
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inquiryAbout Product Details
Cas:119-79-9
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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
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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
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inquiryCAS No. 119-79-9 Name 1-Aminonaphthalene-6-sulfonic acid MF C10H9NO3S EINECS No. 204-351-2 Type Pharmaceutical Intermediates Appe
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inquiryAppearance:purple powder Storage:Refrigerator Package:25kg/drum Application:Intermediate of dyestuff Transportation:Express/Sea/Air Port:any port in china
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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
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inquirySpecifications: appearance: grey-rAppearance:grey-red power Storage:Rom tep. Package:25kg net/bag Port:Shanghai
Cas:119-79-9
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inquiry1-Aminonaphthalene-6-sulfonic acid CAS:119-79-9 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
Cas:119-79-9
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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
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inquiryProduct Detail Minimum Order Qty. 10 Gram
Cas:119-79-9
Min.Order:10 Gram
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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
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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
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
Cas:119-79-9
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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
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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:119-79-9
Min.Order:10 Gram
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inquiryOur company was built in 2009 with an ISO certificate.In the past 6 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so
Cas:119-79-9
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inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
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inquiry1. Product advantages High purity, all above 98.5%, no impurities after dissolution We will test each batch to ensure quality OEM and private brand services designed for free Various cap colors available We can also provide MT1 peptide powd
Cas:119-79-9
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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:119-79-9
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inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
high 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
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
Cas:119-79-9
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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
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
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inquirynaphthalene-2-sulfonate
A
5-aminonaphthalene-2-sulfonic acid
B
8-amino-2-naphthalenesulfonic acid
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid at 25℃; anschl. bei 10grad, Reduzieren des erhaltenen Gemisches mit Eisen und sehr verd. Salzsaeure; | |
With sulfuric acid; nitric acid at 25℃; dann bei 10grad, Reduzieren des erhaltenen Gemisches mit Eisen und sehr verd. Salzsaeure; | |
Stage #1: naphthalene-2-sulfonate With sulfuric acid at 120℃; for 0.666667h; Stage #2: With nitric acid at 33 - 35℃; for 20h; Reagent/catalyst; Overall yield = 86 percent; Overall yield = 75 g; Further stages; |
Conditions | Yield |
---|---|
With ammonium sulfide | |
With iron; acetic acid |
Conditions | Yield |
---|---|
With sulfuric acid at 125 - 130℃; |
sulfuric acid
1-amino-naphthalene
A
5-aminonaphthalene-2-sulfonic acid
B
1-aminonaphthalene-5-sulfonic acid
Conditions | Yield |
---|---|
at 125 - 130℃; bei laengerem Erhitzen; |
sulfuric acid
1-amino-naphthalene
A
5-aminonaphthalene-2-sulfonic acid
B
1-aminonaphthalene-5-sulfonic acid
C
4-aminonaphthalene-1,6-disulfonic acid
Conditions | Yield |
---|---|
at 125 - 130℃; bei laengerem Erhitzen; |
4-amino-1-naphthalenesufonic acid
sulfuric acid
A
5-aminonaphthalene-2-sulfonic acid
B
1-aminonaphthalene-5-sulfonic acid
C
4-aminonaphthalene-1,6-disulfonic acid
Conditions | Yield |
---|---|
at 125 - 130℃; |
Conditions | Yield |
---|---|
With sodium carbonate In water; toluene pH=5; | 96% |
5-aminonaphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
With sodium hydroxide; sodium periodate; aniline hydrochloride In water oxidative polymerization; | 95% |
5-aminonaphthalene-2-sulfonic acid
di-tert-butyl dicarbonate
5-(tert-butoxycarbonylamino)naphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
With triethylamine In methanol at 20℃; Inert atmosphere; | 94% |
Conditions | Yield |
---|---|
With sodium carbonate In water; toluene pH=5; | 94% |
Conditions | Yield |
---|---|
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium carbonate; sodium nitrite In water for 0.5h; Stage #2: acetylacetone With sodium carbonate In water for 0.5h; pH=7; Further stages.; | 93% |
Conditions | Yield |
---|---|
With ammonium peroxydisulfate; acetic acid; triethylamine In methanol; water at 0℃; for 3h; Condensation; | 90% |
5-aminonaphthalene-2-sulfonic acid
4-hydroxy-1-(4-sulphophenyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole
Conditions | Yield |
---|---|
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium hydroxide; sodium nitrite at 0 - 5℃; for 3h; Stage #2: 4-hydroxy-1-(4-sulphophenyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole With sodium carbonate for 3.5h; | 86% |
5-aminonaphthalene-2-sulfonic acid
4-hydroxy-1-(2',5'-dichloro-4'-sulphophenyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole
Conditions | Yield |
---|---|
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium hydroxide; sodium nitrite at 0 - 5℃; for 3h; Stage #2: 4-hydroxy-1-(2',5'-dichloro-4'-sulphophenyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole With sodium carbonate | 86% |
5-aminonaphthalene-2-sulfonic acid
4-hydroxy-1-(6'-sulphonaphtyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole
Conditions | Yield |
---|---|
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium hydroxide; sodium nitrite at 0 - 5℃; for 3h; Stage #2: 4-hydroxy-1-(6'-sulphonaphtyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole With sodium carbonate | 86% |
5-aminonaphthalene-2-sulfonic acid
4-hydroxy-1-(8'-sulphonaphtyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole
Conditions | Yield |
---|---|
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium hydroxide; sodium nitrite at 0 - 5℃; for 3h; Stage #2: 4-hydroxy-1-(8'-sulphonaphtyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole With sodium carbonate | 85% |
5-aminonaphthalene-2-sulfonic acid
4-hydroxy-1-(2'-carboxy-4'-sulphophenyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole
Conditions | Yield |
---|---|
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium hydroxide; sodium nitrite at 0 - 5℃; for 3h; Stage #2: 4-hydroxy-1-(2'-carboxy-4'-sulphophenyl)-3-[N-(2'-oxobenzimidazol-5'-yl)carboxamide]pyrazole With sodium carbonate | 85% |
Conditions | Yield |
---|---|
for 8h; Reflux; | 81% |
di(succinimido) carbonate
5-aminonaphthalene-2-sulfonic acid
5-amino-2-naphthalenesulfonic acid-N-hydroxysuccinimidyl carbamate
Conditions | Yield |
---|---|
In acetonitrile Reflux; | 80% |
Conditions | Yield |
---|---|
With sodium carbonate In water; toluene at 20℃; for 12h; pH=4; | 80% |
Conditions | Yield |
---|---|
With ammonium peroxydisulfate In dimethyl sulfoxide at 20℃; for 5h; oxidative condensation; | 75% |
Conditions | Yield |
---|---|
With sodium carbonate In water; toluene pH=5; | 74% |
5-aminonaphthalene-2-sulfonic acid
4-bromo-3-oxo-N-(2'-oxobenzimidazol-5'-yl)butyramide
Conditions | Yield |
---|---|
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium carbonate; sodium nitrite for 0.416667h; cooling; Stage #2: 4-bromo-3-oxo-N-(2'-oxobenzimidazol-5'-yl)butyramide With sodium hydroxide at 0 - 3℃; | 73% |
Conditions | Yield |
---|---|
With sodium carbonate In chloroform; water at 25℃; for 16h; | 72% |
Conditions | Yield |
---|---|
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium carbonate; sodium nitrite Stage #2: C25H20N4O4S With sodium hydroxide at 0 - 3℃; Further stages.; | 71% |
Conditions | Yield |
---|---|
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium carbonate; sodium nitrite Stage #2: C24H18N4O3S With sodium hydroxide at 0 - 3℃; Further stages.; | 70% |
Conditions | Yield |
---|---|
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium carbonate; sodium nitrite Stage #2: C24H17N5O5S With sodium hydroxide at 0 - 3℃; Further stages.; | 70% |
5-aminonaphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium carbonate; sodium nitrite for 0.416667h; cooling; Stage #2: 2-(4'-oxo-2'-phenyl-1',3'-thiazol-3'-yl)-3-[α-(p-carbethoxyphenylhydrazono)phenoxymethyl]-1,2,4-benzothiadiazine 1,1-dioxide With sodium hydroxide at 0 - 3℃; for 0.166667h; | 69% |
Conditions | Yield |
---|---|
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium carbonate; sodium nitrite Stage #2: C24H19N5O3S With sodium hydroxide at 0 - 3℃; Further stages.; | 69% |
5-aminonaphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium carbonate; sodium nitrite for 0.416667h; cooling; Stage #2: 2-(4'-oxo-3'-phenyl-1',3'-thiazol-2'-ylimino)-3-[α-(p-tolylhydrazono)phenoxymethyl]-1,2,4-benzothiadiazine 1,1-dioxide With sodium hydroxide at 0 - 3℃; for 0.166667h; | 61% |
5-aminonaphthalene-2-sulfonic acid
N,N’-(dimethylethylenediaminothiosemicarbazanato)-4-(methylthiosemicarbazanato)butane-2,3-diimine
C2H7N*C17H20N6O3S3
Conditions | Yield |
---|---|
In acetonitrile Reflux; Inert atmosphere; | 61% |
Conditions | Yield |
---|---|
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium carbonate; sodium nitrite Stage #2: C30H22N6O6S2 With sodium hydroxide at 0 - 3℃; Further stages.; | 60% |
5-aminonaphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
With urea; sodium nitrite; copper(I) bromide In sodium hydroxide; water; hydrogen bromide | 57% |
With urea; sodium nitrite; copper(I) bromide In sodium hydroxide; water; hydrogen bromide | 57% |
With urea; sodium nitrite; copper(I) bromide In sodium hydroxide; water; hydrogen bromide | 57% |
With urea; sodium nitrite; copper(I) bromide In sodium hydroxide; water; hydrogen bromide | 57% |
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogen bromide; sodium hydroxide; sodium nitrite In water at -5 - 2℃; for 0.833333h; Stage #2: With hydrogen bromide; copper(I) bromide In water at 80℃; for 0.5h; | 6.16 g |
5-aminonaphthalene-2-sulfonic acid
5-((3,4-dioxo-3,4-dihydronaphthalen-1-yl)amino)naphthalene-2-sulfonic acid
Conditions | Yield |
---|---|
With potassium carbonate In water | 56.6% |
Conditions | Yield |
---|---|
Stage #1: 5-aminonaphthalene-2-sulfonic acid With hydrogenchloride; sodium carbonate; sodium nitrite Stage #2: C28H20N6O5S2 With sodium hydroxide at 0 - 3℃; Further stages.; | 53% |
5-aminonaphthalene-2-sulfonic acid
4-methyl-3-nitrobenzoyl chloride
Conditions | Yield |
---|---|
With sodium carbonate In water; toluene pH=5; | 47% |
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