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:319-89-1
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWe can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need CMO
Cas:319-89-1
Min.Order:1 Gram
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:319-89-1
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiry2,5-Cyclohexadiene-1,4-dione,2,3,5,6-tetrahydroxy- Tetrahydroxyquinone Basic information Product Name: Tetrahydroxyquinone Synonyms: TETROQUINONE;TETRAHYDROXYQUINONE;TETRAHYDROXY-P-BE
WITH 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:319-89-1
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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:319-89-1
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryOffer C6H4O6 Tetrahydroxyquinone 319-89-1 with cute packaging Tetrahydroxyquinone Product Name Tetrahydroxyquinone CAS Registry Number 319-89-1
Cas:319-89-1
Min.Order:10 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:319-89-1
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
Cas:319-89-1
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryTetrahydroxyquinone CAS:319-89-1 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 interme
Cas:319-89-1
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:319-89-1
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
Cas:319-89-1
Min.Order:0
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:319-89-1
Min.Order:0 Metric Ton
Negotiable
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
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:319-89-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
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:319-89-1
Min.Order:10 Gram
FOB Price: $100.0
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,
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:319-89-1
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
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:319-89-1
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryShandong Mopai Biotechnology 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 chemicals. W
Cas:319-89-1
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.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:319-89-1
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryHigh 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:This product can be use
We 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
Cas:319-89-1
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryhigh 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 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
1. 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 powder2.
We product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Chemical intermediate
TIANFUCHEM--High purity 319-89-1 Tetrahydroxyquinone Application:TIANFUCHEM--High purity 319-89-1 Tetrahydroxyquinone
Cas:319-89-1
Min.Order:0
Negotiable
Type:Other
inquirytetrahydroxy-1,4-quinone
Conditions | Yield |
---|---|
With hydrogenchloride; water Hydrolysis; | 91% |
rhodizonic acid
A
tetrahydroxy-1,4-quinone
B
1-Benzyl-3-carbamoyl-pyridinium; hydroxide
Conditions | Yield |
---|---|
With 1-Benzyl-1,4-dihydronicotinamide In water; acetonitrile Ambient temperature; | A 70% B n/a |
methyl 2-oxo-2-phenylacetate
A
tetrahydroxy-1,4-quinone
B
(RS)-methyl mandelate
Conditions | Yield |
---|---|
With benzenehexol In water; acetonitrile Product distribution; Mechanism; Ambient temperature; other reagents: tetrahydroxy-p-benzoquinone or rhodizonic acid; | A 37% B 40% |
Conditions | Yield |
---|---|
With methyl 2-oxo-2-phenylacetate In water; acetonitrile Ambient temperature; | A 37% B 40% |
Glyoxal
tetrahydroxy-1,4-quinone
Conditions | Yield |
---|---|
With water; sodium hydrogencarbonate; sodium sulfite beim Leiten von Luft,zuletzt bei 80-90grad; | |
With magnesium hydroxide; water; sodium hydrogensulfite at 50℃; Reagens 4:Kaliumcyanid ;und Erhitzen des Reaktionsgemisches auf Siedetemperatur; |
tetrahydroxy-1,4-quinone
Conditions | Yield |
---|---|
With nitric acid man dampft die Reaktionsloesung bis zur Trockne ein und erhitzt darauf erst mit Alkohol, dann mit Wasser; |
Conditions | Yield |
---|---|
With nitric acid |
Conditions | Yield |
---|---|
With air; sodium carbonate man zersetzt das entstandenen Natriumsalz durch Kochen mit verd.Salzsaeure; | |
With air; water | |
With air; ethanol |
Conditions | Yield |
---|---|
In water Mechanism; Irradiation; pH = 10.9; |
Conditions | Yield |
---|---|
With hydrogenchloride | |
Multi-step reaction with 2 steps 1: 1) 1-benzyl-1,4-dihydronicotinamide, 2) aq. HCl / 1) MeCN-H2O, room temp. 2: 37 percent / methyl benzoylformate / acetonitrile; H2O / Ambient temperature View Scheme |
tetrahydroxy-1,4-quinone
Conditions | Yield |
---|---|
With potassium cyanide; magnesium hydroxide; water at 50℃; und Erhitzen des Reaktionsgemisches auf Siedetemperatur; |
tetrahydroxy-1,4-quinone
Conditions | Yield |
---|---|
With air; sodium carbonate at 50℃; das Dinatriumsalz entsteht; | |
With water; magnesium oxide das Dinatriumsalz entsteht; |
tetrahydroxy-1,4-quinone
A
diphenyl telluride
B
hexaketocyclohexane
C
toluene-4-sulfonamide
Conditions | Yield |
---|---|
With N-(p-tolylsulfonyl)diphenyltellurimide In methanol for 0.5h; Ambient temperature; | A 97% B 88% C 99% |
tetrahydroxy-1,4-quinone
Conditions | Yield |
---|---|
In methanol at 20℃; for 4.5h; | 99% |
Conditions | Yield |
---|---|
In methanol at 20℃; for 4.5h; | 99% |
tetrahydroxy-1,4-quinone
A
rhodizonic acid
B
bis(4-methoxyphenyl)telluride
C
toluene-4-sulfonamide
Conditions | Yield |
---|---|
With Te,Te-di(p-methoxyphenyl)-N-(p-tolylsulfonyl)tellurimide In methanol for 0.25h; Ambient temperature; | A 89% B 98% C 98% |
tetrahydroxy-1,4-quinone
Conditions | Yield |
---|---|
In methanol at 20℃; for 4.5h; | 90% |
tetrahydroxy-1,4-quinone
decacarbonyldirhenium(0)
Conditions | Yield |
---|---|
In 1,3,5-trimethyl-benzene at 160℃; for 48h; | 85% |
tetrahydroxy-1,4-quinone
Conditions | Yield |
---|---|
In methanol at 20℃; for 4.5h; | 84% |
tetrahydroxy-1,4-quinone
Conditions | Yield |
---|---|
With lithium methanolate In methanol for 134h; Inert atmosphere; | 80% |
tetrahydroxy-1,4-quinone
decacarbonyldirhenium(0)
Conditions | Yield |
---|---|
In 1,3,5-trimethyl-benzene at 160℃; for 48h; High pressure; | 80% |
tetrahydroxy-1,4-quinone
decacarbonyldirhenium(0)
1,3,5-tri(2-(thiophene-2-yl)benzimidazol-1-ylmethyl)-2,4,6-trimethylbenzene
toluene
Conditions | Yield |
---|---|
at 160℃; for 48h; Autoclave; | 75% |
tetrahydroxy-1,4-quinone
decacarbonyldirhenium(0)
Conditions | Yield |
---|---|
In 1,3,5-trimethyl-benzene at 160℃; for 48h; High pressure; | 75% |
tetrahydroxy-1,4-quinone
decacarbonyldirhenium(0)
1,3,5-tris(2-methylmercaptobenzimidazol-1-ylmethyl)-2,4,6-trimethylbenzene
toluene
Conditions | Yield |
---|---|
at 160℃; for 48h; Autoclave; | 74% |
tetrahydroxy-1,4-quinone
decacarbonyldirhenium(0)
Conditions | Yield |
---|---|
In 1,3,5-trimethyl-benzene at 160℃; for 48h; High pressure; | 72% |
tetrahydroxy-1,4-quinone
Conditions | Yield |
---|---|
In 1,3,5-trimethyl-benzene at 160℃; for 48h; Autoclave; | 72% |
tetrahydroxy-1,4-quinone
decacarbonyldirhenium(0)
Conditions | Yield |
---|---|
In 1,3,5-trimethyl-benzene at 160℃; for 48h; High pressure; | 70% |
tetrahydroxy-1,4-quinone
Conditions | Yield |
---|---|
In 1,3,5-trimethyl-benzene at 160℃; for 48h; Autoclave; | 70% |
tetrahydroxy-1,4-quinone
decacarbonyldirhenium(0)
Conditions | Yield |
---|---|
In 1,3,5-trimethyl-benzene at 160℃; for 48h; | 68% |
tetrahydroxy-1,4-quinone
1-Benzyl-1,4-dihydronicotinamide
2,3,4,5,6-Pentahydroxy-phenolate1-benzyl-3-carbamoyl-pyridinium;
Conditions | Yield |
---|---|
In water; acetonitrile Ambient temperature; | 65% |
tetrahydroxy-1,4-quinone
decacarbonyldirhenium(0)
Conditions | Yield |
---|---|
In 1,3,5-trimethyl-benzene at 160℃; for 48h; | 65% |
tetrahydroxy-1,4-quinone
Conditions | Yield |
---|---|
In 1,3,5-trimethyl-benzene at 160℃; for 48h; Autoclave; | 65% |
tetrahydroxy-1,4-quinone
decacarbonyldirhenium(0)
Conditions | Yield |
---|---|
In 1,3,5-trimethyl-benzene at 160℃; for 48h; | 64% |
tetrahydroxy-1,4-quinone
decacarbonyldirhenium(0)
Conditions | Yield |
---|---|
In 1,3,5-trimethyl-benzene at 160℃; for 48h; | 62% |
Conditions | Yield |
---|---|
In water; diethylene glycol at 120℃; for 48h; Inert atmosphere; | 61% |
Conditions | Yield |
---|---|
In 1,3,5-trimethyl-benzene at 160℃; for 48h; | 60.2% |
Conditions | Yield |
---|---|
In water at 120℃; for 48h; Autoclave; | 60% |
Conditions | Yield |
---|---|
In 1,3,5-trimethyl-benzene at 160℃; for 72h; Autoclave; | 57.8% |
tetrahydroxy-1,4-quinone
tris[(2-pyridylmethyl)amine]
Conditions | Yield |
---|---|
With NEt3 In methanol MeOH soln. of Fe complex added to MeOH soln. of C18H18N4 and C6(OH)4O2 in a wet box (<1 ppm O2); neutralized (NEt3), refluxed for 1 h; filtered while hot, filtrate kept at room temp. for 2-3 d; filtered off,washed (MeOH), dried in vacuo; elem. anal.; | 55% |
Conditions | Yield |
---|---|
In water at 120℃; for 48h; Autoclave; | 53% |
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