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:15722-48-2
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:15722-48-2
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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:15722-48-2
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
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:15722-48-2
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
inquiry1.In No Less 10 years exporting experience. you 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 Specializ
Our 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
OLSALAZINE CAS:15722-48-2 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 intermediates,
Cas:15722-48-2
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
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
Our 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
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
Zibo 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:15722-48-2
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. 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:Ulcerat
Established in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
Product name: Olsalazine CAS No.:15722-48-2 Molecule Formula:C14H10N2O6 Molecule Weight:302.24 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard TESTING ITEMS
Cas:15722-48-2
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,
Hangzhou ZeErRui Chemical Co., Ltd. located in Lingang industrial areas, our plant covers an area of 6000 square meters.ZeErRui dedicated to the development, production and marketing of chemicals. We have earned ourselves a good reputation at home
Cas:15722-48-2
Min.Order:25 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
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:Active Pharmaceutical I
GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation
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,or Intermediates,fine chemicals Transportation:air,sea,courier
Why is SINOWAY:1) Specialized in pharmaceutical and healthcare industrial since 19872) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days.4) We have warehouse in USA with quickly shipment . Application:API
Cas:15722-48-2
Min.Order:0
Negotiable
Type:Trading Company
inquiry1.High quality : the purity is 99% min . through multiple producing procedures. 2.Competitive price : low price because of our skilled production technolpgy ,save the production cost at most , and give big profit room to our customers 3.Safe and fa
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
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
Ansciep 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
OLSALAZINE 15722-48-2Appearance:white powder Storage:room temperature Application:industry use
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:any port in China
Olsalazine cas 15722-48-2Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
olsalazine methyl ester
olsalazine
Conditions | Yield |
---|---|
With water; sodium hydroxide at 90 - 95℃; for 2h; | 97.6% |
With sodium hydroxide |
olsalazine
Conditions | Yield |
---|---|
With hydrogenchloride In water at 20℃; for 0.0833333h; pH=Ca.0; | 90% |
2-chloro-5-nitrobenzoic acid
olsalazine
Conditions | Yield |
---|---|
With sodium hydroxide; zinc beim Erhitzen der erhaltenen 4.4'-Dichlor-azobenzol-dicarbonsaeure-(3.3') mit Kupfer und wss. Natronlauge auf 150grad; |
5-Aminosalicylic Acid
olsalazine
Conditions | Yield |
---|---|
With pyridine; chromium chloride bei der Diazotierung des erhaltenen Komplexes und anschliessenden Umsetzung mit Salicylsaeure; | |
Multi-step reaction with 3 steps 1: sulfuric acid / 75 - 80 °C 2: acetic acid / 20 °C 3: water; sodium hydroxide / 2 h / 90 - 95 °C View Scheme | |
Multi-step reaction with 4 steps 1: sulfuric acid / 75 - 80 °C 2: oxone||potassium monopersulfate triple salt / dichloromethane; water / 2 h / 20 °C 3: acetic acid / 20 °C 4: water; sodium hydroxide / 2 h / 90 - 95 °C View Scheme |
olsalazine
Conditions | Yield |
---|---|
With potassium hydroxide |
salicylic acid
olsalazine
Conditions | Yield |
---|---|
With sodium hydroxide; copper(I) sulfate; copper(II) sulfate at 140℃; |
ethyl 5-amino-2-hydroxybenzoate
olsalazine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetic acid; hydrogen peroxide 2: aqueous KOH-solution View Scheme |
methyl salicylate
olsalazine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: NaNO2; aqueous ethanol 2: aq. NaOH solution View Scheme |
Conditions | Yield |
---|---|
Stage #1: 5-Aminosalicylic Acid With hydrogenchloride; sodium nitrite In water at 0 - 5℃; for 0.5h; Stage #2: salicylic acid With sodium hydroxide In water for 1h; Cooling with ice; | |
With hydrogenchloride; sodium nitrite In water at 0℃; |
methyl 5-amino-2-hydroxybenzoate
olsalazine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetic acid / 20 °C 2: water; sodium hydroxide / 2 h / 90 - 95 °C View Scheme | |
Multi-step reaction with 3 steps 1: oxone||potassium monopersulfate triple salt / dichloromethane; water / 2 h / 20 °C 2: acetic acid / 20 °C 3: water; sodium hydroxide / 2 h / 90 - 95 °C View Scheme |
methyl 2-hydroxy-5-nitrobenzoate
olsalazine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetic acid / 20 °C 2: water; sodium hydroxide / 2 h / 90 - 95 °C View Scheme |
Conditions | Yield |
---|---|
at 81 - 82℃; for 2h; | 95.7% |
olsalazine
Conditions | Yield |
---|---|
With calcium(II) nitrate tetrahydrate; sodium hydroxide In water at 90℃; Reagent/catalyst; Solvent; | 85.1% |
4,4'-bipyridine
olsalazine
water
N,N-dimethyl-formamide
Conditions | Yield |
---|---|
at 115℃; for 72h; | 80% |
olsalazine
Conditions | Yield |
---|---|
With magnesium(II) nitrate hexahydrate In ethanol; N,N-dimethyl-formamide at 120℃; for 24h; Sealed tube; | 80% |
Conditions | Yield |
---|---|
Stage #1: olsalazine With 1-hydroxy-pyrrolidine-2,5-dione; dicyclohexyl-carbodiimide In tetrahydrofuran at 20℃; for 20h; Inert atmosphere; Stage #2: 3-aminopropyltriethoxysilane In tetrahydrofuran for 24h; Inert atmosphere; | 80% |
Conditions | Yield |
---|---|
Stage #1: 1,3-dibutanoyloxy-2-propanol; olsalazine With dmap In dichloromethane at 0℃; for 0.333333h; Stage #2: With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 22 - 25℃; for 16h; | 49.5% |
Conditions | Yield |
---|---|
With sodium carbonate; silver nitrate In N,N-dimethyl-formamide at 20℃; for 24h; Darkness; | 49% |
Conditions | Yield |
---|---|
Stage #1: olsalazine With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 0.25h; Stage #2: C26H34N4O5 In N,N-dimethyl-formamide at 20℃; for 24h; | 45% |
olsalazine
Conditions | Yield |
---|---|
In sodium hydroxide addn. of hot aq. soln. of chromium alum to boiling soln. of 5.5'-azosalicylic acid in aq. NaOH, boiling react.-soln. for 3 h;; pptn., washing with large amt. of hot H2O, drying at 70 °C;; |
Conditions | Yield |
---|---|
Stage #1: olsalazine With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 0.25h; Stage #2: C36H40N4O5 In N,N-dimethyl-formamide at 20℃; for 24h; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 0.25 h / 20 °C 1.2: 24 h / 20 °C 2.1: sodium dithionite / water / 1 h / 37 °C / pH 5 / aq. buffer View Scheme |
Conditions | Yield |
---|---|
Stage #1: olsalazine With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 0.25h; Stage #2: NapFFK In N,N-dimethyl-formamide at 20℃; for 24h; |
Conditions | Yield |
---|---|
Stage #1: olsalazine; iron(II) chloride With methanol In N,N-dimethyl-formamide at 100℃; for 16h; Glovebox; Sealed tube; Stage #2: at 120℃; Glovebox; Sealed tube; |
Conditions | Yield |
---|---|
In ethanol; N,N-dimethyl acetamide; water at 100℃; for 24h; Sealed tube; |
Conditions | Yield |
---|---|
In ethanol; water at 100℃; for 24h; Sealed tube; |
Conditions | Yield |
---|---|
In ethanol; water at 100℃; for 24h; Sealed tube; |
Conditions | Yield |
---|---|
In ethanol; N,N-dimethyl acetamide at 100℃; for 24h; Sealed tube; |
olsalazine
Conditions | Yield |
---|---|
Stage #1: olsalazine With water; sodium hydroxide Stage #2: With calcium(II) nitrate tetrahydrate at 90℃; |
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