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Cas:490-79-9
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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 yellow crystalline powder Storage:Store below +30°C Pa
Cas:490-79-9
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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
Product description: Product name 2,5-Dihydroxybenzoic acid CAS number 490-79-9 Assay ≥99% Appearance White to yellow powder Capacity 200mt/year Application Pharmaceutical i
Cas:490-79-9
Min.Order:10 Gram
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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:490-79-9
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inquiryAs 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:490-79-9
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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
LIDE PHARMACEUTICALS LIMITED is a professional chemicals and APIs leading manufacturer in China. Our core business line covers APIs, Intermediates, Herb extract, etc. We are specialized in chemical synthesis, process development of pharmaceu
Cas:490-79-9
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryOur company was built in 2009 with an ISO certificate.In the past 5 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:490-79-9
Min.Order:1 Kilogram
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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:490-79-9
Min.Order:1 Kilogram
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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
Cas:490-79-9
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
inquiry1. Product advantages ♦ High purity, all above 98.5%, no impurities after the dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available &diam
Cas:490-79-9
Min.Order:1 Kilogram
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Type:Trading Company
inquiryName: 2,5-Dihydroxy benzoic acid Synonyms: Gentisic acid; Hydroquinonecarboxylic acid; 5-Hydroxysalicylic acid Molecular Formula: C7H6O4 Molecular Weight: 154.12 CAS Number: 490-79-9 EG/EC Number: 207-718-5 Appearance:White powder Storage:Store in c
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
Cas:490-79-9
Min.Order:1 Kilogram
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inquiry★.Best quality according to requirement ★.Competitive price in China market ★.Mature Technical support ★.Professional logistic support
Cas:490-79-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Name: 2,5-Dihydroxybenzoic acid Synonyms: 2,5-Dhba;2,5-dihydroxy-benzoicaci;2,5-Dioxybenzoic acid;5-Hydroxysalicylic acid;5-hydroxy-salicylicaci;5-hydroxysalicylicacid;acido2,5-diidrossibenzoico;Benzoic acid, 2,5-dihydroxy- CAS: 490-79-9
Cas:490-79-9
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:490-79-9
Min.Order:1 Kilogram
FOB Price: $32.0 / 36.0
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:490-79-9
Min.Order:1 Kilogram
Negotiable
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
Cas:490-79-9
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
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
Cas:490-79-9
Min.Order:0
Negotiable
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
Chengdu Biopurify Phytochemicals 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 Medic
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:490-79-9
Min.Order:0 Metric Ton
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Type:Lab/Research institutions
inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
Cas:490-79-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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
Cas:490-79-9
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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
Cas:490-79-9
Min.Order:0
Negotiable
Type:Trading Company
inquiryWe 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
Cas:490-79-9
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:grey powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:For medicine , pesticide intermediat
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,
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
Cas:490-79-9
Min.Order:1 Kilogram
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Type:Trading Company
inquiry2,5-dihydroxybenzoic acid.
Conditions | Yield |
---|---|
With methanol; iodine at 20℃; for 48h; | 96% |
A
2,5-dihydroxybenzoic acid.
B
3,4-dihydro-5,8-dihydroxy-3-methylisocoumarin
Conditions | Yield |
---|---|
In trifluoroacetic acid for 17h; Heating; | A 25% B 31% C 8.5% |
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 potassium hydroxide durch Schmelzen; |
Conditions | Yield |
---|---|
With permanganate(VII) ion; magnesium sulfate at 85℃; folgende Verseifung mit Salzsaeure; |
Conditions | Yield |
---|---|
Diazotization.Kochen der erhaltenen Diazoverbindung mit Wasser; |
Conditions | Yield |
---|---|
With potassium hydroxide |
Conditions | Yield |
---|---|
With hydrogen bromide |
Conditions | Yield |
---|---|
With sodium hydroxide; copper | |
With sodium hydroxide |
Conditions | Yield |
---|---|
With hydrogen bromide |
Conditions | Yield |
---|---|
With sodium hydroxide; water |
2,5-dihydroxybenzoic acid.
Conditions | Yield |
---|---|
With sulfuric acid |
methylammonium carbonate
hydroquinone
2,5-dihydroxybenzoic acid.
Conditions | Yield |
---|---|
With potassium carbonate at 140 - 210℃; |
Conditions | Yield |
---|---|
With potassium sulfite; water; potassium hydrogencarbonate at 130℃; | |
With potassium hydrogencarbonate; glycerol at 180℃; | |
Multi-step reaction with 2 steps 1: NaOH-solution 2: potassium hydroxide / durch Schmelzen View Scheme | |
With tetrachloromethane; sodium hydroxide; copper |
Conditions | Yield |
---|---|
With phosphate buffer; oxygen; rose bengal Rate constant; Mechanism; Irradiation; other singlet oxygen generating systems; effect of inhibitors; | |
With potassium peroxomonosulphate Kochen des Reaktionsproduktes mit verd. Salzsaeure; | |
With dipotassium peroxodisulfate |
salicylic acid
A
2,5-dihydroxybenzoic acid.
B
2,3,5-trihydroxybenzoic acid
Conditions | Yield |
---|---|
With sodium hydroxide; ammonium peroxydisulfate |
carbon dioxide
p-Isopropoxyphenyl methyl ether
2,5-dihydroxybenzoic acid.
Conditions | Yield |
---|---|
Multistep reaction; |
2,5-dihydroxybenzoic acid benzyl ester
2,5-dihydroxybenzoic acid.
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol Yield given; |
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; |
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; |
2,5-dihydroxybenzoic acid 2-O-β-4C1-glucopyranoside
2,5-dihydroxybenzoic acid.
Conditions | Yield |
---|---|
With hydrogenchloride at 100℃; for 3h; Hydrolysis; |
Conditions | Yield |
---|---|
In water Oxidation; Formation of xenobiotics; simulated solar irradiation; |
hydrogenchloride
4,7-dihydroxyisoindole-1,3-dione
2,5-dihydroxybenzoic acid.
6-hydroxy-2,3-dimethyl-chromen-4-one
2,5-dihydroxybenzoic acid.
gentisin
A
3,5-dihydroxyphenol
B
2,5-dihydroxybenzoic acid.
C
acetic acid
Conditions | Yield |
---|---|
Beim Schmelzen; |
1,2,3,4-tetrahydroisoquinoline
sulfuric acid
A
2,5-dihydroxybenzoic acid.
B
oxalic acid
C
propionic acid
D
maleic acid
Conditions | Yield |
---|---|
Electrolysis; |
Conditions | Yield |
---|---|
for 0.5h; | 100% |
In tetrahydrofuran Product distribution / selectivity; |
Conditions | Yield |
---|---|
In toluene for 0.75h; | 100% |
Conditions | Yield |
---|---|
With potassium hydrogencarbonate In N,N-dimethyl-formamide at 40℃; | 99% |
Stage #1: 2,5-dihydroxybenzoic acid. With 1,8-diazabicyclo[5.4.0]undec-7-ene In acetone for 0.166667h; Stage #2: methyl iodide In acetone at 20℃; for 4h; | 92% |
2,5-dihydroxybenzoic acid.
allyl bromide
allyl 2,5-bis(allyloxy)benzoate
Conditions | Yield |
---|---|
With caesium carbonate In N,N-dimethyl-formamide at 20℃; for 1h; | 99% |
Stage #1: 2,5-dihydroxybenzoic acid. With potassium carbonate In N,N-dimethyl-formamide at 0℃; for 0.05h; Stage #2: allyl bromide In N,N-dimethyl-formamide at 20℃; for 48h; | 78% |
2,5-dihydroxybenzoic acid.
pomalidomide
Conditions | Yield |
---|---|
In acetonitrile at 20℃; Solvent; Temperature; | 99% |
2,5-dihydroxybenzoic acid.
boron trifluoride diethyl etherate
ethyl 2,5-dihydroxybenzoate
Conditions | Yield |
---|---|
at 120℃; for 4h; | 99% |
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; potassium hydrogencarbonate In N,N-dimethyl acetamide at 70℃; for 24h; Inert atmosphere; | 98.4% |
With potassium hydrogencarbonate In N,N-dimethyl acetamide at 65℃; for 24h; Inert atmosphere; | 98.4% |
With potassium hydrogencarbonate In N,N-dimethyl-formamide at 70℃; for 24h; Inert atmosphere; | 78% |
2,5-dihydroxybenzoic acid.
benzyl chloride
2,5-dihydroxybenzoic acid benzyl ester
Conditions | Yield |
---|---|
With potassium carbonate In acetone at 70℃; for 12h; | 98% |
2,5-dihydroxybenzoic acid.
benzyl bromide
2,5-dihydroxybenzoic acid benzyl ester
Conditions | Yield |
---|---|
With potassium hydrogencarbonate In N,N-dimethyl acetamide at 65℃; for 24h; Inert atmosphere; | 98% |
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 20℃; for 18h; | 93% |
With potassium hydrogencarbonate In N,N-dimethyl-formamide at 40℃; | 91% |
Conditions | Yield |
---|---|
With sulfuric acid for 48h; Reflux; | 97% |
With sulfuric acid at 25℃; for 12h; Reflux; Inert atmosphere; | 97% |
With 95percent H2SO4 Heating; | 96% |
2,5-dihydroxybenzoic acid.
Conditions | Yield |
---|---|
With Amberlite IRA-410 10 (OH(1-)form) In water | 97% |
2,5-dihydroxybenzoic acid.
Conditions | Yield |
---|---|
In water; acetone at 20℃; for 1h; Product distribution / selectivity; | 96.5% |
In water; acetone at 20℃; Product distribution / selectivity; | 96.5% |
In acetone at 20℃; for 1h; Product distribution / selectivity; | 77.1% |
2,5-dihydroxybenzoic acid.
allyl bromide
allyl 5-allyloxy-2-hydroxybenzoate
Conditions | Yield |
---|---|
With potassium carbonate In acetone | 96% |
Conditions | Yield |
---|---|
Stage #1: 2,5-dihydroxybenzoic acid. With sodium hydride In N,N-dimethyl-formamide; mineral oil for 1h; Cooling with ice; Stage #2: methyl iodide In N,N-dimethyl-formamide; mineral oil at 20℃; for 3h; Cooling with ice; | 96% |
With potassium carbonate |
Conditions | Yield |
---|---|
With triphenylphosphine In toluene for 3h; Heating; | 96% |
With phosphorus trichloride In chlorobenzene at 135℃; for 0.333333h; Microwave irradiation; | 58% |
2,5-dihydroxybenzoic acid.
bosentan
N-[6-(2-hydroxyethoxy)-5-(2-methoxyphenoxy)-2-pyrimidin-2-yl-pyrimidin-4-yl]-4-tert-butyl-benzenesulfonamide gentisic acid cocrystal
Conditions | Yield |
---|---|
In n-heptane; acetone at 55℃; for 2.33333h; Concentration; Solvent; Temperature; Time; Sonication; | 96% |
2,5-dihydroxybenzoic acid.
Conditions | Yield |
---|---|
With air In acetonitrile at 10 - 35℃; for 120h; Sealed tube; | 96% |
2,5-dihydroxybenzoic acid.
Conditions | Yield |
---|---|
In ethanol at 48℃; | 95.62% |
Conditions | Yield |
---|---|
With potassium hydrogencarbonate In N,N-dimethyl-formamide at 70℃; | 95% |
2,5-dihydroxybenzoic acid.
dimethyl sulfate
methyl 5-methoxy-2-hydroxybenzoate
Conditions | Yield |
---|---|
With potassium carbonate In acetone at 50℃; for 30h; | 94% |
Conditions | Yield |
---|---|
With potassium hydrogencarbonate In N,N-dimethyl-formamide at 70℃; | 94% |
Conditions | Yield |
---|---|
With sulfuric acid for 144h; Heating; | 93% |
With thionyl chloride at 0℃; Reflux; Inert atmosphere; | 60% |
With sulfuric acid |
2,5-dihydroxybenzoic acid.
benzyl chloride
benzyl 2,5-bis(benzyloxy)benzoate
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 100℃; for 20h; | 93% |
With potassium carbonate In butanone for 16h; Heating; |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene for 9.5h; Heating; | 93% |
With toluene-4-sulfonic acid In toluene at 120℃; for 8h; | 81.1% |
With sulfuric acid Fischer-Speier Esterification; |
Conditions | Yield |
---|---|
With sodium acetate In water; acetonitrile Electrochemical reaction; | 93% |
2,5-dihydroxybenzoic acid.
allyl bromide
5-allyloxy-2-hydroxybenzoic acid
Conditions | Yield |
---|---|
Stage #1: 2,5-dihydroxybenzoic acid. With sodium hydride In N,N-dimethyl-formamide; mineral oil at 20℃; for 2h; Stage #2: allyl bromide In N,N-dimethyl-formamide; mineral oil at 20℃; for 2h; | 92.9% |
Stage #1: 2,5-dihydroxybenzoic acid. With sodium hydride In N,N-dimethyl-formamide at 20℃; for 2h; Stage #2: allyl bromide In N,N-dimethyl-formamide at 20℃; for 2h; Stage #3: With hydrogenchloride In water; N,N-dimethyl-formamide pH=3; | 75% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate; 3-butyl-1-methyl-1H-imidazol-3-ium hexafluorophosphate at 40℃; for 0.333333h; | 92% |
2,5-dihydroxybenzoic acid.
S-amlodipine gentisate
Conditions | Yield |
---|---|
Stage #1: (S)-(-)-amlodipine-hemi-dibenzoyl-D-tartrate With sodium hydroxide In dichloromethane; water for 0.5h; Stage #2: 2,5-dihydroxybenzoic acid. In dichloromethane; acetone at 20℃; for 2h; | 92% |
2,5-dihydroxybenzoic acid.
S-amlodipine gentisate
Conditions | Yield |
---|---|
Stage #1: (S)-(-)-amlodipine-hemi-dibenzoyl-D-tartrate With sodium hydroxide In dichloromethane; water for 0.5h; Stage #2: 2,5-dihydroxybenzoic acid. In dichloromethane; acetone at 20℃; for 2h; | 92% |
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