As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:65-49-6
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:65-49-6
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; ...... Appearance:Almost white or slightly yellow powder Storage:Store at 0
Cas:65-49-6
Min.Order:25 Kilogram
FOB Price: $40.0
Type:Trading Company
inquiryCangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api, intermedi
Cas:65-49-6
Min.Order:1 Kilogram
FOB Price: $5.0
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
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
Cas:65-49-6
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryShanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
Cas:65-49-6
Min.Order:1 Kilogram
FOB Price: $1.0
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:65-49-6
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
Cas:65-49-6
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryProduct Description Product website: http://www.finerchem.com/pro01en/id/866.html Product Name 4-Aminosalicylic acid CAS No. 65-49-6
Cas:65-49-6
Min.Order:1 Gram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryTIANFUCHEM-- 65-49-6--High purity 4-Aminosalicylic acid in stock Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had established stable busine
Cas:65-49-6
Min.Order:1 Metric Ton
FOB Price: $2000.0
Type:Lab/Research institutions
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:65-49-6
Min.Order:1 Kilogram
FOB Price: $15.0 / 50.0
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:65-49-6
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
inquiryAdvantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best s
Cas:65-49-6
Min.Order:10 Gram
Negotiable
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:65-49-6
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese
Cas:65-49-6
Min.Order:1 Kilogram
FOB Price: $86.0 / 100.0
Type:Trading Company
inquiry4-Aminosalicylic acid CAS:65-49-6 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 interm
Cas:65-49-6
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:65-49-6
Min.Order:1 Kilogram
Negotiable
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
Product quality: Our company have high quality product , and also the product we have good manufacture . First of all, this product is of fine quality. Every finish should be checked by quality inspection system.And every one should be also tried
Cas:65-49-6
Min.Order:1 Kilogram
FOB Price: $20.0 / 30.0
Type:Trading Company
inquiryPRODUCT DETAILS
Cas:65-49-6
Min.Order:500 Kilogram
FOB Price: $1.0 / 2.0
Type:Lab/Research institutions
inquiryOur Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter
Cas:65-49-6
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryTriumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Business Custom Synthesis: Trading(Raw Mater
Cas:65-49-6
Min.Order:0 Metric Ton
FOB Price: $18.0 / 20.0
Type:Lab/Research institutions
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 have s
Cas:65-49-6
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiry1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie
Cas:65-49-6
Min.Order:1 Kilogram
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:65-49-6
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryPacking: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Transportation:Express/Sea/Air Port:Ningbo/Shanghai/Qingd
advantage: 1. The best price, satisfactory quality; 2. customers have the right to choose the delivery of parcels (EMS, DHL, FedEx, UPS); 3. customers have the right to choose from the recent effective packaging methods of their products packag
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
Cas:65-49-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryOur Advantages Production: Advanced chemical equipment with years of experience.Staffs for producing various extract products. Quality Control:A complete set of Testing Professional and Analysis Equipment ensures the Quality Requirements and Speci
Cas:65-49-6
Min.Order:1 Kilogram
FOB Price: $150.0 / 180.0
Type:Trading Company
inquiryConditions | Yield |
---|---|
With aminomethyl polystyrene resin formic acid salt; zinc In methanol at 20℃; for 2h; | 96% |
With ammoniummethyl polystyrene resin formate; palladium on activated charcoal In methanol at 20℃; for 5h; | 95% |
With polymer-supported formate; magnesium In methanol at 20℃; for 3h; | 94% |
1-amino-3-acetylamino-6-carboxy-benzene
4-Aminosalicylic acid
Conditions | Yield |
---|---|
With sulfuric acid; sodium nitrite Eintragen der Reaktionsloesung in warme Schwefelsaeure; |
Conditions | Yield |
---|---|
With carbon dioxide; boric acid; potassium hydrogencarbonate at 95℃; weiteres Reagens: H2O; | |
With carbon dioxide; potassium hydrogencarbonate; glycerol at 130℃; | |
With potassium hydroxide; sodium dithionite; carbon dioxide at 100℃; under 73550.8 Torr; | |
With carbon dioxide; potassium carbonate at 180℃; | |
With salicylic acid decarboxylase from Trichosporon moniliiforme; potassium hydrogencarbonate at 30℃; for 24h; pH=8.5; aq. phosphate buffer; Enzymatic reaction; regioselective reaction; |
m-Hydroxyaniline
A
4-amino-6-hydroxyisophthalic acid
B
4-Aminosalicylic acid
Conditions | Yield |
---|---|
With carbon dioxide; potassium hydrogencarbonate |
Conditions | Yield |
---|---|
With ammonium carbonate at 215℃; under 154457 Torr; anschliessend Erhitzen mit Na2CO3 und CO2 auf 125grad/140 at; | |
With ammonium hydroxide; boric acid at 200℃; under 33097.9 Torr; anschliessend Erhitzen mit NaHCO3 und CO2 auf 110grad/20 at; |
Conditions | Yield |
---|---|
at 110℃; |
4-Aminosalicylic acid
Conditions | Yield |
---|---|
With water; nickel Hydrogenation; |
4-Aminosalicylic acid
Conditions | Yield |
---|---|
With potassium hydroxide at 260℃; |
Conditions | Yield |
---|---|
With carbon dioxide at 85 - 90℃; |
4-Aminosalicylic acid
Conditions | Yield |
---|---|
With water; nickel Hydrogenation; |
Conditions | Yield |
---|---|
at 200℃; under 37503 Torr; for 1h; Kolbe-Shmitt reaction; | 80.0 % Chromat. |
Conditions | Yield |
---|---|
at 200℃; under 37503 Torr; for 1h; Kolbe-Shmitt reaction; | 80.0 % Chromat. |
Conditions | Yield |
---|---|
at 250℃; under 37503 Torr; for 1h; Kolbe-Shmitt reaction; | A 5.9 % Chromat. B 50.6 % Chromat. |
2-hydroxy-4-nitro-benzonitrile
4-Aminosalicylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aqueous sulfuric acid; acetic acid / Siedetemperatur 2: iron (II)-sulfate; sodium carbonate; water View Scheme | |
Multi-step reaction with 2 steps 1: aqueous hydrochloric acid / 160 °C / Reinigung ueber das Barium-Salz 2: Raney nickel; sodium-<4-nitro-2-hydroxy benzoate>; water / Hydrogenation View Scheme |
4-Aminosalicylic acid
Conditions | Yield |
---|---|
With rat fecal matter at 37℃; pH=7.4; Kinetics; aq. phosphate buffer; |
C18H16N3O4(1-)*Na(1+)
4-Aminosalicylic acid
Conditions | Yield |
---|---|
With rat fecal matter at 37℃; pH=7.4; Kinetics; aq. phosphate buffer; |
Conditions | Yield |
---|---|
With recombinant Escherichia coli cells expressing salicylic acid decarboxylase F195Y at 30℃; pH=6; Kinetics; Reagent/catalyst; Kolbe-Schmitt reaction; aq. phosphate buffer; Enzymatic reaction; | |
With Trichosporon moniliiforme WU-0401 salicylic acid decarboxylase at 30℃; for 1h; pH=7; enzymatic Kolbe-Schmitt reaction; aq. phosphate buffer; Enzymatic reaction; regioselective reaction; | |
With salicylic acid decarboxylase Y64T-F195Y mutant In aq. phosphate buffer at 30℃; for 2h; pH=6; Kinetics; Reagent/catalyst; Time; Kolbe-Schmidt Synthesis; | |
With salicylic acid decarboxylase from Trichosporon moniliiforme In aq. phosphate buffer at 30℃; for 24h; Kolbe-Schmidt Synthesis; Enzymatic reaction; regioselective reaction; |
1,1,3,3,5,5-hexamethyl-1,5-divinyltrisiloxane
4-Aminosalicylic acid
Conditions | Yield |
---|---|
In toluene | |
In toluene | |
In toluene |
4-amino-2-hydroxy-benzoic acid ; hydrochloride
cytosinium 4-aminosalicylate
4-Aminosalicylic acid
Conditions | Yield |
---|---|
In ethanol Milling; |
Conditions | Yield |
---|---|
With sulfuric acid |
diazomethane
4-Aminosalicylic acid
methyl 4-aminosalicylate
Conditions | Yield |
---|---|
In diethyl ether at 25℃; for 0.333333h; | 100% |
With diethyl ether |
Conditions | Yield |
---|---|
In formic acid; diethyl ether | 99% |
4-Aminosalicylic acid
benzyl chloroformate
4‐{[(benzyloxy)carbonyl]amino}‐2‐hydroxybenzoic acid
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In methanol at 20℃; for 2.5h; | 98% |
With sodium hydrogencarbonate In methanol at 20℃; for 24h; | 71% |
With sodium hydrogencarbonate In tetrahydrofuran at 20℃; for 16h; | 61% |
With sodium hydrogencarbonate In tetrahydrofuran at 20℃; for 16h; | |
With sodium carbonate In tetrahydrofuran; water at 20℃; for 1h; Inert atmosphere; |
Conditions | Yield |
---|---|
In ethanol; water at 75℃; for 0.5h; Product distribution / selectivity; | 98% |
In ethanol at 80℃; for 0.333333h; Product distribution / selectivity; | 95% |
4-Aminosalicylic acid
4-carboxy-3-hydroxyphenyl azide
Conditions | Yield |
---|---|
Stage #1: 4-Aminosalicylic acid With sulfuric acid; sodium nitrite In water at 0℃; for 1h; Stage #2: With sodium azide In water at 0℃; for 1h; | 97.6% |
Stage #1: 4-Aminosalicylic acid With sulfuric acid; sodium nitrite In water at 0℃; for 0.333333h; Stage #2: With sodium azide; urea In water at 0℃; | 86% |
Stage #1: 4-Aminosalicylic acid With hydrogenchloride; sodium nitrite In water at 0℃; for 0.25h; Stage #2: With sodium azide In water at 0℃; for 1h; | 57% |
Conditions | Yield |
---|---|
With zinc trifluoromethanesulfonate In 1-methyl-pyrrolidin-2-one; toluene at 100℃; for 24h; | 96% |
Conditions | Yield |
---|---|
With methanol; sulfuric acid at 0 - 80℃; Large scale reaction; | 95.1% |
Conditions | Yield |
---|---|
In acetone for 24h; Cooling with ice; | 95% |
With sodium hydroxide In water at 60℃; for 4h; pH=6-7; | 91% |
In acetone for 6h; | 91% |
Conditions | Yield |
---|---|
With sulfuric acid at 20℃; for 10h; Reflux; | 95% |
With sulfuric acid at 0 - 20℃; for 6h; Reflux; | 93% |
With sulfuric acid at 0℃; for 6h; Reflux; | 93% |
Conditions | Yield |
---|---|
In methanol for 1h; Reflux; | 94% |
In methanol at 20℃; for 24h; |
Conditions | Yield |
---|---|
In methanol for 1h; Reflux; | 94% |
Conditions | Yield |
---|---|
With (2,6-dichlorophenyl)bis(2,3,5,6-tetrafluorophenyl)borane; hydrogen In tetrahydrofuran at 100℃; under 60804.1 Torr; for 15h; Sealed tube; Molecular sieve; Autoclave; Green chemistry; | 94% |
4-Aminosalicylic acid
4-amino-3,5-dichloro-2-hydroxybenzoic acid
Conditions | Yield |
---|---|
With N-chloro-succinimide In 1,4-dioxane at 80 - 85℃; for 4h; | 94% |
4-Aminosalicylic acid
Conditions | Yield |
---|---|
With N-Bromosuccinimide In 1,2-dichloro-ethane at 80 - 85℃; for 4h; | 93% |
With bromine; acetic acid |
di-tert-butyl dicarbonate
4-Aminosalicylic acid
4-((tert-butoxycarbonyl)amino)-2-hydroxybenzoic acid
Conditions | Yield |
---|---|
With sodium hydroxide In ethanol; water Schlenk technique; Inert atmosphere; | 93% |
With triethylamine In tetrahydrofuran; methanol at 50℃; for 72h; | 91% |
Stage #1: di-tert-butyl dicarbonate; 4-Aminosalicylic acid With triethylamine In 1,4-dioxane; water at 0 - 20℃; for 24.5h; Stage #2: With hydrogenchloride In water | 80% |
Conditions | Yield |
---|---|
With potassium hydroxide In acetone at 25℃; for 5.5h; Concentration; Reagent/catalyst; Large scale; | 92.1% |
With sodium hydroxide In acetone at 20℃; for 6h; Time; | 92.82% |
With tetrabutylammomium bromide; potassium hydroxide In acetone at 20 - 30℃; for 1.33333h; | 84% |
3-Formylchromone
4-Aminosalicylic acid
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid for 3h; Heating; | 92% |
2,3-dihydroxybenzaldehyde
4-Aminosalicylic acid
Conditions | Yield |
---|---|
In methanol for 1h; Reflux; | 92% |
In methanol at 20℃; for 24h; |
Conditions | Yield |
---|---|
With acetic anhydride In ethanol | 92% |
With acetic anhydride In ethanol | 72.3 g (74.15%) |
tert-butyldicarbonate
4-Aminosalicylic acid
4-((tert-butoxycarbonyl)amino)-2-hydroxybenzoic acid
Conditions | Yield |
---|---|
Stage #1: 4-Aminosalicylic acid With sodium hydroxide In ethanol; water at 5 - 10℃; Stage #2: tert-butyldicarbonate In ethanol; water at 5 - 10℃; Stage #3: In ethanol; water | 92% |
4-(1H-benzo[d]imidazol-2-yl)-4-oxobutane hydrazide
4-Aminosalicylic acid
3-(5-(4-amino-2-hydroxyphenyl)-1,3,4-oxadiazol-2-yl)-1-(1H-benzo[d]imidazol-2-yl)propan-1-one
Conditions | Yield |
---|---|
With trichlorophosphate Microwave irradiation; | 92% |
ethylenediaminetetraacetic dianhydride
4-Aminosalicylic acid
4,4′-((2,2′-(ethane-1,2-diylbis((carboxymethyl) azanediyl)) bis(acetyl))bis(azanediyl))bis(2-hydroxybenzoic acid)
Conditions | Yield |
---|---|
With pyridine In N,N-dimethyl-formamide at 30℃; for 24h; Inert atmosphere; | 92% |
ethyl 2-phenyldiazoacetate
4-Aminosalicylic acid
Conditions | Yield |
---|---|
With C43H37Br2CuN3P2(1+)*ClO4(1-) In methanol at 0 - 20℃; for 3h; Schlenk technique; Inert atmosphere; chemoselective reaction; | 91% |
Conditions | Yield |
---|---|
In water Tl2CO3 added to water and org. compd., boiled for 2 h with stirring; soln. slowly concd.; | 90% |
4-methoxy-6-hydroxybenzofuran-5-carboxylic acid
4-Aminosalicylic acid
7-[2-(4-carboxy-3-hydroxyphenyl)azo]-6-hydroxy-4-methoxy-benzofuran-5-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 4-Aminosalicylic acid With hydrogenchloride; sodium nitrite In water at 0 - 10℃; Stage #2: 6-hydroxy-4-methoxybenzofuran-5-carboxylic acid With sodium hydroxide In water at 5℃; | 90% |
Conditions | Yield |
---|---|
In acetone at 20℃; | 90% |
Conditions | Yield |
---|---|
With potassium phosphate tribasic trihydrate In N,N-dimethyl-formamide at 100℃; under 760.051 Torr; for 6h; Green chemistry; | 90% |
Conditions | Yield |
---|---|
In 1,4-dioxane at 40℃; for 3.5h; Molecular sieve; | 90% |
formaldehyd
4-Aminosalicylic acid
4-(1,3,5-dithiazinan-5-yl)-2-hydroxybenzoic acid
Conditions | Yield |
---|---|
With hydrogen sulfide In water at 20℃; | 89% |
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