DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:303-38-8
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:303-38-8
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
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:303-38-8
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:303-38-8
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryName:2,3-Dihydroxybenzoic acid CAS NO:303-38-8 Grade:Medical scientific research and export Molecular formula:C7H6O4 Molecular weight:154.12 Product Quality 12 years of chemical raw materials Mature operation of the industry System stabili
Cas:303-38-8
Min.Order:25 Kilogram
FOB Price: $1.0 / 2.0
Type:Other
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 on.O
Cas:303-38-8
Min.Order:1 Kilogram
FOB Price: $1000.0
Type:Lab/Research institutions
inquiryProduct Description Product name 2,3-Dihydroxybenzoic acid CAS 303-38-8 Assay 99% Appearance white powd
Cas:303-38-8
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:303-38-8
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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:303-38-8
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 presen
Cas:303-38-8
Min.Order:10 Gram
FOB Price: $2985.0
Type:Trading Company
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:303-38-8
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
Hubei CuiRan Biotechnology Co., Ltd is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medicine)
Cas:303-38-8
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryPRODUCT DETAILS
Cas:303-38-8
Min.Order:500 Kilogram
FOB Price: $1.0 / 2.0
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
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:303-38-8
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
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:303-38-8
Min.Order:0 Metric Ton
Negotiable
Type:Other
inquiryOur advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be
Cas:303-38-8
Min.Order:1 Gram
Negotiable
Type:Other
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
Product 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,
Cas:303-38-8
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryOur Adwantage: 1.We have stock so we can delivery quickly at the very day when receive the payment. 2.Best price, first class service, high successful delivery rate. A discount would be given when you make a large order. 3.High qu
Cas:303-38-8
Min.Order:10 Metric Ton
Negotiable
Type:Other
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,
Product name: 2,3-Dihydroxy Benzoic Acid CAS No.: 303-38-8 Molecule Formula:C7H5O4 Molecule Weight:153.11 Purity: 99.0% Package: 25kg/drum Description:Reddish crystalline powder Manufacture Standards:Enterprise Standard
Cas:303-38-8
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryHigh quality, competitive price, fast delivery and first-class service we possesses have won the trust and praise of customers. Standard: BP/USP/EP The purity is equal or greater than 99%. As a supplier, we can provide high-quality products. Cle
Cas:303-38-8
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
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
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
Cas:303-38-8
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
inquiryLocated in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and h
Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Cangzhou 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, intermediat
Cas:303-38-8
Min.Order:1 Kilogram
FOB Price: $777.0 / 888.0
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
2,3-dihydroxybenzaldehyde
2,3-Dihydroxybenzoic acid
Conditions | Yield |
---|---|
With dihydrogen peroxide In water; acetonitrile at 45℃; for 12h; chemoselective reaction; | 82% |
Conditions | Yield |
---|---|
With lithium hydroxide In ethanol; water at 25℃; for 2h; | 71% |
benzoic acid
A
2,3-Dihydroxybenzoic acid
B
2,5-dihydroxybenzoic acid.
C
3-Carboxyphenol
D
salicylic acid
E
4-hydroxy-benzoic acid
Conditions | Yield |
---|---|
With oxygen; iron(II) sulfate In water at 40℃; for 3h; Product distribution; pH 6.8 buffer; | A 9% B 5% C 14% D 4% E 9% |
benzoic acid
A
2,3-Dihydroxybenzoic acid
B
2,5-dihydroxybenzoic acid.
C
3-Carboxyphenol
D
4-hydroxy-benzoic acid
Conditions | Yield |
---|---|
With oxygen; iron(II) sulfate In water at 40℃; for 3h; Further byproducts given; | A 9% B 5% C 14% D 9% |
Conditions | Yield |
---|---|
With sodium hydroxide; dihydrogen peroxide |
Conditions | Yield |
---|---|
With potassium carbonate beim Schmelzen; |
Conditions | Yield |
---|---|
With aluminium trichloride; chlorobenzene | |
With hydrogenchloride at 140℃; im Rohr; | |
With aluminium trichloride at 150℃; | |
With hydrogen bromide at 110 - 120℃; |
Conditions | Yield |
---|---|
With hydrogen iodide at 100℃; | |
Multi-step reaction with 5 steps 1: N,N-dimethyl-formamide; thionyl chloride / dichloromethane / 2 h / 30 - 35 °C 2: ammonium hydroxide / dichloromethane; water / 0.5 h / -5 - 35 °C 3: trichlorophosphate / toluene / 30 - 85 °C 4: triethylamine; aluminum (III) chloride / toluene / 9.5 h / 30 - 75 °C 5: water; hydrogenchloride / toluene / 0.5 h / 15 - 35 °C View Scheme |
2-iodo-3-hydroxybenzaldehyde
2,3-Dihydroxybenzoic acid
Conditions | Yield |
---|---|
at 100℃; |
3-(benzyloxy)-2-hydroxybenzoic acid
2,3-Dihydroxybenzoic acid
Conditions | Yield |
---|---|
With hydrogen bromide at 100 - 110℃; |
Conditions | Yield |
---|---|
With ammonium carbonate; water at 130 - 140℃; im geschlossenen Rohr; |
Conditions | Yield |
---|---|
With potassium dicarbonate; glycerol at 180 - 210℃; | |
With potassium dicarbonate | |
With 2,6-dihydroxybenzoic acid decarboxylase from Rhizobium species; potassium hydrogencarbonate at 30℃; for 24h; pH=8.5; aq. phosphate buffer; Enzymatic reaction; regioselective reaction; |
Conditions | Yield |
---|---|
ueber mehrere Stufen; | |
With potassium hydroxide at 250℃; |
Conditions | Yield |
---|---|
Multistep reaction; |
Anguibactin
A
histamine
B
2,3-Dihydroxybenzoic acid
C
Dehydrocystine
Conditions | Yield |
---|---|
With hydrogenchloride at 100℃; for 24h; |
Conditions | Yield |
---|---|
With dihydrogen peroxide; methylene blue In ethanol at 25℃; Quantum yield; Irradiation; | |
With dihydrogen peroxide; methylene blue In ethanol at 25℃; Irradiation; | |
Multi-step reaction with 2 steps 1: alcohol; iodine 2: potash / beim Schmelzen View Scheme |
Conditions | Yield |
---|---|
With iron(III)-acetylacetonate; dihydrogen peroxide; methylene blue at 25℃; for 4h; Product distribution; Mechanism; Irradiation; other salicylic derivatives, hydroxylation; | |
With oxygen; potassium oxalate; iron(III) chloride In water at 25℃; Product distribution; Irradiation; role of hydrogen peroxide in dyoxygen induced hydroxylation of title compound; photochemicall and thermal (pH 7.1) hydroxylation; | |
With dihydrogen peroxide In water at 20℃; for 0.5h; Mechanism; Product distribution; Quantum yield; Irradiation; various pH value and reaction time, HClO4 or K2CO3 presence; |
Conditions | Yield |
---|---|
With Fe(III)(sal)3(3-); dihydrogen peroxide In water at 25℃; for 1h; Product distribution; Thermodynamic data; Irradiation; other times; presence of O2; |
2,2-dimethylbenzo[d][1,3]dioxole-4-carboxylic acid
2,3-Dihydroxybenzoic acid
Conditions | Yield |
---|---|
With sulfuric acid |
Conditions | Yield |
---|---|
With dihydrogen peroxide In acetonitrile Irradiation; |
2,3-Dihydroxybenzoic acid
Conditions | Yield |
---|---|
With β-glucosidase for 168h; Ambient temperature; enzymatic hydrolysis; |
salicylate
A
2,3-Dihydroxybenzoic acid
B
2,5-dihydroxybenzoic acid.
Conditions | Yield |
---|---|
With dihydrogen peroxide; potassium carbonate In water at 20℃; for 0.5h; Mechanism; Product distribution; Quantum yield; Irradiation; various pH value and reaction time; |
salicylic acid
A
4-hydroxysalicylic acid
B
2,3-Dihydroxybenzoic acid
C
2,5-dihydroxybenzoic acid.
D
2,6-Dihydroxybenzoic acid
Conditions | Yield |
---|---|
With dihydrogen peroxide; iron(II) sulfate In water at 37℃; for 0.0833333h; hydroxylation; Further byproducts given. Title compound not separated from byproducts; |
salicylic acid
A
formic acid
B
malic acid
C
2,3-Dihydroxybenzoic acid
D
oxalic acid
Conditions | Yield |
---|---|
With dihydrogen peroxide at 23℃; for 4h; pH=6.2; Oxidation; UV-irradiation; Further byproducts given; |
salicylic acid
A
cis,cis-Muconic acid
B
malonic acid
C
2,3-Dihydroxybenzoic acid
D
hydroquinone
Conditions | Yield |
---|---|
With dihydrogen peroxide at 23℃; for 2.5h; pH=6.2; Kinetics; Oxidation; UV-irradiation; |
sulfuric acid
3-(2,5-dimethoxy-tetrahydro-[2]furyl)-3-oxo-propionic acid methyl ester
A
methyl-2,3-dihydroxybenzoate
B
2,3-Dihydroxybenzoic acid
Conditions | Yield |
---|---|
at 160℃; |
Conditions | Yield |
---|---|
at 180 - 210℃; | |
at 180℃; |
Conditions | Yield |
---|---|
at 250℃; |
water
benzene-1,2-diol
A
3,4-Dihydroxybenzoic acid
B
2,3-Dihydroxybenzoic acid
Conditions | Yield |
---|---|
at 140℃; |
Conditions | Yield |
---|---|
sulfuric acid for 24h; Reflux; | 100% |
With sulfuric acid | |
With sulfuric acid |
2,3-Dihydroxybenzoic acid
p-toluenesulfonyl chloride
2-hydroxy-3-(toluene-4-sulfonyloxy)-benzoic acid
Conditions | Yield |
---|---|
With sodium hydroxide In water; acetone at 40℃; | 100% |
Conditions | Yield |
---|---|
With sulfuric acid for 6h; Reflux; | 100% |
With sulfuric acid at 0℃; for 12h; Heating / reflux; | 99% |
With thionyl chloride at 20℃; | 99% |
2,3-Dihydroxybenzoic acid
2,3-dihydroxy-5-bromobenzoic acid
Conditions | Yield |
---|---|
With bromine; acetic acid at 20℃; for 24h; | 99% |
With bromine In acetic acid at 20℃; for 16h; Inert atmosphere; regioselective reaction; | 99% |
With bromine In acetic acid at 20℃; | 88% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In hydrogenchloride; methanol | 99% |
With sodium hydrogencarbonate In hydrogenchloride; methanol | 99% |
Conditions | Yield |
---|---|
sulfuric acid In diethyl ether for 12h; | 98% |
With sulfuric acid In diethyl ether at 20℃; for 12h; Esterification; | 91% |
With sulfuric acid for 0.416667h; Heating; | 74% |
2,3-Dihydroxybenzoic acid
benzyl bromide
benzyl 2,3-bis(benzyloxy)benzoate
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide for 5h; Ambient temperature; | 98% |
With potassium carbonate In acetone for 24h; Inert atmosphere; Reflux; | 94% |
With potassium carbonate In acetone for 24h; Reflux; Inert atmosphere; | 81% |
Conditions | Yield |
---|---|
With sulfuric acid In methanol | 98% |
With sulfuric acid In methanol | |
With sulfuric acid In methanol; water | |
Multi-step reaction with 2 steps 1: thionyl chloride / 78 °C / Inert atmosphere 2: triethylamine / 16 h / 0 - 25 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1: thionyl chloride / Reflux 2: triethylamine / chloroform / 18 h / Reflux View Scheme |
2,3-Dihydroxybenzoic acid
chlorure de 2,3-dioxosulfinylbenzoyle
Conditions | Yield |
---|---|
With thionyl chloride; urea at 40℃; for 3h; Cyclization; | 97% |
With thionyl chloride; urea at 40℃; for 2h; Yield given; | |
With thionyl chloride for 8h; Heating; |
Conditions | Yield |
---|---|
With sulfuric acid for 18h; Reflux; | 97% |
2,3-Dihydroxybenzoic acid
benzyl chloride
benzyl 2,3-bis(benzyloxy)benzoate
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide Reflux; Inert atmosphere; | 96% |
With potassium carbonate In N,N-dimethyl-formamide at 90℃; | 91% |
2,3-Dihydroxybenzoic acid
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; methanesulfonic acid; iron(II) phthalocyanine; acetic acid In water; acetonitrile at 5℃; for 0.0833333h; | 96% |
2,3-Dihydroxybenzoic acid
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; methanesulfonic acid; iron(II) phthalocyanine; acetic acid In water; acetonitrile at 5℃; for 0.0833333h; | 96% |
1-hydroxy-pyrrolidine-2,5-dione
2,3-Dihydroxybenzoic acid
succinimido 2,3-dihydroxybenzoate.
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In 1,4-dioxane for 16h; | 95% |
Conditions | Yield |
---|---|
Stage #1: 2,3-Dihydroxybenzoic acid With sulfuric acid In methanol Stage #2: benzyl bromide With potassium carbonate In methanol; chloroform Stage #3: With barium(II) hydroxide In tetrahydrofuran; water at 50℃; | 95% |
Stage #1: 2,3-Dihydroxybenzoic acid; benzyl bromide With potassium carbonate In acetone for 24h; Reflux; Stage #2: With lithium hydroxide In methanol; water for 3h; Reflux; Stage #3: With hydrogenchloride In methanol; water at 0℃; | 91% |
With potassium hydroxide In dimethyl sulfoxide for 4h; | 89% |
morpholine
2,3-Dihydroxybenzoic acid
lead(II) thiocyanate
8-hydroxy-2-morpholin-4-yl-4H-1,3-benzoxazin-4-one
Conditions | Yield |
---|---|
Stage #1: 2,3-Dihydroxybenzoic acid; lead(II) thiocyanate With dibromotriphenylphosphorane In tetrahydrofuran; dichloromethane at 0 - 20℃; for 4h; Inert atmosphere; Reflux; Stage #2: morpholine In 1,4-dioxane for 4h; Reflux; | 95% |
2,3-Dihydroxybenzoic acid
isopropyl bromide
2,3-diisopropyloxybenzoic acid
Conditions | Yield |
---|---|
Stage #1: 2,3-Dihydroxybenzoic acid; isopropyl bromide With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 50℃; Stage #2: With barium(II) hydroxide In tetrahydrofuran; water at 50℃; | 95% |
2,3-Dihydroxybenzoic acid
benzoic acid anhydride
2,3-Dibenzyloxybenzoic acid
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 20℃; for 16h; | 93% |
Conditions | Yield |
---|---|
With sodium acetate; potassium hexacyanoferrate(III) In water at 20℃; for 0.166667h; | 92% |
2,3-Dihydroxybenzoic acid
p-methoxybenzyl chloride
4-methoxybenzyl 2,3-bis((4-methoxybenzyl)oxy)benzoate
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In acetone for 72h; Inert atmosphere; Reflux; | 92% |
Stage #1: 2,3-Dihydroxybenzoic acid With tetra-(n-butyl)ammonium iodide; potassium carbonate In acetone at 25℃; for 1h; Stage #2: p-methoxybenzyl chloride In acetone Reflux; | 70% |
With potassium carbonate; sodium iodide In N,N-dimethyl-formamide at 70℃; for 2h; | 52% |
With potassium carbonate In N,N-dimethyl-formamide at 70℃; for 2h; Inert atmosphere; | 52% |
2,3-Dihydroxybenzoic acid
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; methanesulfonic acid; iron(II) phthalocyanine; acetic acid In water; acetonitrile at 5℃; for 0.5h; | 91% |
2,3-Dihydroxybenzoic acid
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; methanesulfonic acid; iron(II) phthalocyanine; acetic acid In water; acetonitrile at 5℃; for 0.166667h; | 91% |
2,3-Dihydroxybenzoic acid
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; methanesulfonic acid; iron(II) phthalocyanine; acetic acid In water; acetonitrile at 5℃; for 0.166667h; | 91% |
Conditions | Yield |
---|---|
With sodium acetate; potassium hexacyanoferrate(III) In water for 1h; Michael addition reaction; | 90% |
N-BOC-1,2-diaminoethane
2,3-Dihydroxybenzoic acid
N-(N'-tert-butyloxycarbonylethanediamino)-2,3-bis(benzyloxy)benzamide
Conditions | Yield |
---|---|
Stage #1: 2,3-Dihydroxybenzoic acid With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 25℃; for 0.25h; Stage #2: N-BOC-1,2-diaminoethane In N,N-dimethyl-formamide at 25℃; for 0.5h; | 90% |
2,3-Dihydroxybenzoic acid
Conditions | Yield |
---|---|
With trichlorophosphate at 120℃; | 89.3% |
Conditions | Yield |
---|---|
In toluene for 1h; Sealed tube; Heating; | 89% |
2,3-Dihydroxybenzoic acid
Conditions | Yield |
---|---|
In water tungstic acid, 2,3-dihydroxybenzoic acid, Me4NOH refluxed overnight in H2O; hot filtered; evapd. to dryness; washed with hot THF, CH2Cl2, Et2O; vac.dried at 70°C; | 87% |
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; for 1h; | 86% |
2,3-Dihydroxybenzoic acid
Conditions | Yield |
---|---|
With trichlorophosphate Reflux; | 86% |
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