The 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:69-93-2
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryADVANTAGE: 1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day 2. The products are provided with COA, HPLC, NMR, quality assurance,
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
Our 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
Our 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:69-93-2
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:69-93-2
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
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:69-93-2
Min.Order:1 Gram
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)
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
Company 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:69-93-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryURIC ACID Chemical Properties Melting point >300 °C(lit.) density 1,9 g/cm3 storage temp. Store at RT. form crystalline pka 3.89(at 12℃) color White to off-white Wate
Cas:69-93-2
Min.Order:1 Metric Ton
FOB Price: $20.0
Type:Lab/Research institutions
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
Product Name: URIC ACID CAS: 69-93-2 MF: C5H4N4O3 MW: 168.11 EINECS: 200-720-7 Mol File: 69-93-2.mol URIC ACID Structure URIC ACID Chemical Properties Melting point >300 °C (lit.) Boiling point 297.02°C (rough e
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
Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
Cas:69-93-2
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiryhigh 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
High qualityAppearance:White powder Storage:Room temperature Package:Aluminum bag Application:Used in producing API Transportation:By air Port:Beijing
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
Uric acid cas 69-93-2Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
1. Timely and efficient service to ensure communication with customers2. Produce products of different specifications and sizes according to your requirements.3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures sta
good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:5g Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any port
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bulk?production Application:Pharmaceutical intermediates
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP
Storage:RT Package:g Application:Fine Chemicals Transportation:normal
Conditions | Yield |
---|---|
at 170 - 180℃; |
Conditions | Yield |
---|---|
im kuenstlichen Kreislaufversuch; |
(6-amino-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidin-5-yl)-urea
uric Acid
Conditions | Yield |
---|---|
at 230℃; laesst sich auch durch trockenes Erhitzen; |
Conditions | Yield |
---|---|
at 185℃; |
Conditions | Yield |
---|---|
at 200℃; |
cyanoacetic acid
urea
A
uric Acid
B
N-(aminocarbonyl)-2-cyano-acetamide
Conditions | Yield |
---|---|
With bovine spleen-extract; oxygen |
Conditions | Yield |
---|---|
With oxygen In various solvent(s) Kinetics; Km, Ki,slope, Vmax; xanthine oxidase; | |
With bovine spleen-extract; oxygen | |
With oxygen |
Conditions | Yield |
---|---|
bei enzymatischen Oxydation; |
Conditions | Yield |
---|---|
With goose liver extract; oxygen at 38℃; bei pH 7.4 bis 7.6; | |
With chicken liverextract; oxygen at 38℃; bei pH 7.4 bis 7.6; | |
at 38℃; unter aeroben Bedingungen; |
Conditions | Yield |
---|---|
at 180℃; |
Conditions | Yield |
---|---|
With sodium azide; phosphate buffer; McIlvaine buffer; (E)-(3-methyl-1,3-benzothiazol-2-ylidene)hydrazine;hydrochloride; N,N-dimethyl-aniline; citric acid; xanthine oxidase; peroxidase 1.) pH=8.5; 2.) pH=3.5; 3.) standard assay of XO activity in serum; | |
With several organs of the rat; tissuesuspensionene different; methylene blue | |
With oxygen |
Conditions | Yield |
---|---|
With bovine spleen-extract; oxygen |
Conditions | Yield |
---|---|
Verfuetterung an Enten; |
Conditions | Yield |
---|---|
With alkali |
Conditions | Yield |
---|---|
With Chr-O(1-) In water at 20℃; Rate constant; Equilibrium constant; Irradiation; various substrate concentration, further reagent; pH 13.0; |
Conditions | Yield |
---|---|
With sodium dihydrogenphosphate; oxygen; palladium dichloride Rate constant; xanthine oxidase; var. conc. PdCl2; | |
With hydroxide In water Product distribution; Mechanism; Irradiation; pH = 6 10 11; OH(1-) radical was generated by photolysis of sulfate radical anion or photolysis of H2O2; add of 4-mercaptopyridine-N-oxide; intermedier radicals were determined by ESR; | |
With oxygen; xanthine oxidase In water at 283℃; Enzyme kinetics; Activation energy; Kinetics; Further Variations:; Temperatures; Oxidation; |
xanthin
A
pyrimidine-2,4,5,6(1H,3H)-tetraone
B
uric Acid
C
urea
Conditions | Yield |
---|---|
at 25℃; Product distribution; Mechanism; Rate constant; electrochemical oxidation; buffer (pH=2-6); various times, potentials and electrodes; |
Conditions | Yield |
---|---|
at 120℃; |
hydrogenchloride
2-methylsulfanyl-7,9-dihydro-1H-purine-6,8-dione
uric Acid
hydrogenchloride
(6-amino-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidin-5-yl)-urea
uric Acid
Conditions | Yield |
---|---|
at 120℃; |
uric Acid
Conditions | Yield |
---|---|
With hydrogenchloride |
uric Acid
Conditions | Yield |
---|---|
With ammonium sulfide; potassium hydroxide In water at 180℃; for 6h; Microwave irradiation; | 89% |
Conditions | Yield |
---|---|
at 185℃; under 3750.38 Torr; for 5h; Inert atmosphere; Autoclave; | 85.9% |
In water at 160℃; under 760.051 Torr; | 82.4% |
Conditions | Yield |
---|---|
at 100℃; under 3750.38 Torr; for 24h; Inert atmosphere; Autoclave; | 82.3% |
Conditions | Yield |
---|---|
at 115℃; under 3750.38 Torr; for 18h; Inert atmosphere; Autoclave; | 82% |
Conditions | Yield |
---|---|
at 190℃; under 3750.38 Torr; for 8h; Inert atmosphere; Autoclave; | 81.5% |
Conditions | Yield |
---|---|
at 220℃; under 3750.38 Torr; for 48h; Inert atmosphere; Autoclave; | 80% |
Conditions | Yield |
---|---|
at 190℃; under 3750.38 Torr; for 2.5h; Inert atmosphere; Autoclave; | 79.2% |
uric Acid
A
parabanic acid
B
Oxalyldiurea
C
dehydro-allantoin
D
Allantoin
Conditions | Yield |
---|---|
With lithium hydroxide; iodine In water for 0.0833333h; excess of I2; | A n/a B n/a C 75% D n/a |
With lithium hydroxide; iodine In water for 0.0833333h; Mechanism; also with substituted uric acid; effect of amount of I2; 2H and 13C labelling experiment; |
Conditions | Yield |
---|---|
at 200℃; under 3750.38 Torr; for 2h; Inert atmosphere; Autoclave; | 75% |
uric Acid
dihydroxyuric acid
Conditions | Yield |
---|---|
With rose bengal In glycerol for 23h; Irradiation; | 74.71% |
With chlorine; acetic acid | |
pH=7; Electrochemical reaction; aq. phosphate buffer; | |
With Fe exchanged nanocrystalline ZSM-5 In aq. phosphate buffer pH=3.5; Kinetics; Electrochemical reaction; | |
With titanium dioxide nanorods with multi-walled carbon nanotubes pH=4; Electrochemical reaction; |
uric Acid
A
pyrimidine-2,4,5,6(1H,3H)-tetraone
B
urea
Conditions | Yield |
---|---|
With rose bengal; sodium hydroxide In glycerol for 36h; Irradiation; | A 72.18% B n/a |
Conditions | Yield |
---|---|
at 84℃; under 3750.38 Torr; for 2.5h; Inert atmosphere; Autoclave; | 71.4% |
Conditions | Yield |
---|---|
With lithium hydroxide; iodine In water at 4℃; equimolar amount of I2; | 70% |
With sodium hydroxide; oxygen; pyrographite | |
With water; ozone |
Conditions | Yield |
---|---|
at 84℃; under 3750.38 Torr; for 2h; Inert atmosphere; Autoclave; | 69.2% |
With alkaline solution at 100 - 110℃; |
uric Acid
1,5-diamino-3,7-dioxo-2,4,6,8-tetraazabicyclo-[3.3.0]octane
Conditions | Yield |
---|---|
With sodium persulfate; ammonia; water; sodium chloride at -8 - -5℃; for 2h; | 69% |
Stage #1: uric Acid With ammonium hydroxide; sodium persulfate; sodium chloride In water at -10℃; for 2h; Stage #2: With ammonium hydroxide In water at -10 - 20℃; for 1h; | 64% |
uric Acid
Conditions | Yield |
---|---|
With diammonium sulfide; water; potassium hydroxide at 0 - 180℃; for 8h; Sealed tube; | 63% |
uric Acid
cis-1,5-diamino-2,4,6,8-tetraazabicyclo-<3.3.0>octane-3,7-dione
Conditions | Yield |
---|---|
With ammonium hydroxide; potassium hexacyanoferrate(III) In water | 60% |
Conditions | Yield |
---|---|
With dihydrogen peroxide In not given oxidation of uric acid by alk. H2O2-soln.; | 50% |
Conditions | Yield |
---|---|
With rose bengal In acetic acid; glycerol for 38h; Irradiation; | A 45.11% B n/a |
uric Acid
A
5-Amino-4-iminoallantoin
B
cis-1,5-diamino-2,4,6,8-tetraazabicyclo-<3.3.0>octane-3,7-dione
Conditions | Yield |
---|---|
With ammonium hydroxide; potassium hexacyanoferrate(III) In water 1) r.t., 30 min, 2) 0 deg C, 1 h; | A 45% B 30% |
uric Acid
1H,4H-3a,6a-(epiminomethanoimino)imidazo[4,5-d]imidazole-2,5,8(3H,6H)-trione
Conditions | Yield |
---|---|
Stage #1: uric Acid With ammonium hydroxide; potassium hexacyanoferrate(III) In water at 0 - 20℃; for 6h; Stage #2: With 1,1'-carbonyldiimidazole In dimethyl sulfoxide at 20℃; for 72h; | 44% |
uric Acid
1-O-acetyl-2,3,4,6-tetra-O-benzoyl-α-D-glucopyranose
Conditions | Yield |
---|---|
Stage #1: uric Acid With N,O-bis-(trimethylsilyl)-acetamide In acetonitrile for 1h; Reflux; Inert atmosphere; Stage #2: 1-O-acetyl-2,3,4,6-tetra-O-benzoyl-α-D-glucopyranose With trimethylsilyl trifluoromethanesulfonate In acetonitrile for 48h; Reflux; Inert atmosphere; | A 39% B 9% C 4% |
uric Acid
Conditions | Yield |
---|---|
With sodium persulfate; ammonia; water; sodium chloride at 2 - 10℃; | 36% |
Conditions | Yield |
---|---|
With potassium hydroxide; potassium permanganate In water for 4h; Product distribution; Mechanism; Ambient temperature; labelled 14C in position of 5; | A 26% B 14% |
Conditions | Yield |
---|---|
With potassium hydroxide; potassium permanganate In water for 4h; Ambient temperature; Yield given; | A n/a B 14% |
Conditions | Yield |
---|---|
With diethyl ether |
Conditions | Yield |
---|---|
With diethyl ether |
Conditions | Yield |
---|---|
mehrtaegigem Kochen; |
Conditions | Yield |
---|---|
at 155℃; |
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