As 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:552-62-5
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:552-62-5
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
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:552-62-5
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:552-62-5
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:552-62-5
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:552-62-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryNewCan Biotech Limited was established in 2021 and is primarily engaged in the research, development, production, and sales of sugars, nucleosides, nucleotides, phosphorylated monomers, as well as next-generation antiviral and antitumor drug intermed
Cas:552-62-5
Min.Order:1 Milligram
Negotiable
Type:Trading Company
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
Our 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 on.O
Cas:552-62-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryProduct 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:552-62-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1. 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 powd
Cas:552-62-5
Min.Order:1 Metric Ton
FOB Price: $63.0 / 70.0
Type:Trading Company
inquiryWe Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O
7-methylxanthineAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air
Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
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
R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;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
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
Cas:552-62-5
Min.Order:0
Negotiable
Type:Trading Company
inquiryWe are committed to providing our customers with the best products and services at the most competitive prices.Appearance:yellow to light brown crystals Storage:Room temperature with sealed well Package:according to the clients requirement Applicatio
7-Methylxanthine cas 552-62-5Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Best quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:50mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any por
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Our mission is to provide high-quality and innovative products to our customers. By offering a broad range of products, custom synthesis and personalized services, Bide can help scientists speeding up their research in the chemical and pharmaceutical
Union Pharmpro Co., Ltd is in business of raw materials of health industrial for nearly 14 years. Union Pharmpro is now a united group of three companies( Watson Industries, Yasen Biological Technology co., Ltd),with it’s hea
1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G
Cas:552-62-5
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryHigh quality,stable supply chain. Xi'an Future Biotechnology Co.,Ltd is mainly dedicated to the technology development of phosphorus compounds and related functional intermediates. The aim we pursue is to meet the modern and future demands
This is our mature product with high quality and competitive price. Welcome your inquiry and order. Also, we would like to develop strategic partnership with our clients. Appearance:ask Storage:Dry, dark and at 0 - 4 C for short term (days to weeks
1.Custom synthetic service could be provided and COA/HPLC/HNMR is available. 2.Professional synthesis laboratory and production base. 3.Strong synthesis team and service team.4.Professional data management system.5.We provide the professional test da
At Share Chemical Company, we scrupulously abide by our policy of “Excellent Quality at a Reasonable Price”. We strive to satisfy all of our customers by providing the finest quality products supported by the finest in customer servi
2,6-dibenzyloxy-7-methylpurine
7-methylxanthine
Conditions | Yield |
---|---|
With sodium hydroxide In dimethyl sulfoxide at 100℃; for 1.5h; | 92% |
2,6-dibenzylthio-7-methylpurine
7-methylxanthine
Conditions | Yield |
---|---|
With sodium hydroxide In dimethyl sulfoxide at 100℃; for 1.5h; | 90% |
3-benzyl-7-methyl-1H-purine-2,6(3H,7H)-dione
7-methylxanthine
Conditions | Yield |
---|---|
With aluminium trichloride In toluene at 70℃; for 1h; | 75% |
Conditions | Yield |
---|---|
at 180℃; |
Conditions | Yield |
---|---|
With hydrogenchloride at 120 - 125℃; | |
Multi-step reaction with 2 steps 1: 80 percent / methanol / 2 h / 100 °C 2: 18percent aq. HCl / 1.5 h / Heating View Scheme | |
With hydrogenchloride at 120 - 125℃; |
2,6-dimethoxy-7-methyl-purine
7-methylxanthine
Conditions | Yield |
---|---|
With hydrogenchloride for 1.5h; Heating; Yield given; |
7-methylxanthine
Conditions | Yield |
---|---|
With N-methyl nucleoside hydrolase; Tricine-NaOH buffer at 37℃; for 1h; enzymatic hydrolysis, effect of pH, temperature,metal ions and reagents on enzyme activity; |
Conditions | Yield |
---|---|
at 230℃; for 0.75h; Title compound not separated from byproducts; |
Conditions | Yield |
---|---|
at 250℃; for 0.25h; Title compound not separated from byproducts; |
7-methyl-2-hydroxy-6-methoxypurine
7-methylxanthine
Conditions | Yield |
---|---|
With acid |
2-methoxy-6-ethoxy-7-methylpurine
7-methylxanthine
Conditions | Yield |
---|---|
With hydrogenchloride for 1.5h; Heating; Yield given; |
7-methylxanthine
Conditions | Yield |
---|---|
With hydrogenchloride at 100℃; |
7-methylxanthine
Conditions | Yield |
---|---|
With hydrogenchloride at 120 - 125℃; |
7-methylxanthine
Conditions | Yield |
---|---|
With hydrogenchloride at 120 - 125℃; |
7-methylxanthine
Conditions | Yield |
---|---|
With cis-nitrous acid |
7-methylxanthine
Conditions | Yield |
---|---|
With phosphonium iodide; hydrogen iodide |
Conditions | Yield |
---|---|
at 160 - 170℃; |
6-amino-1-benzyl-5-(methylamino)uracil
7-methylxanthine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 91 percent / 12 h / Heating 2: 75 percent / AlCl3 / toluene / 1 h / 70 °C View Scheme |
2-chloro-6-ethoxy-7-methylpurine
7-methylxanthine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 77 percent / methanol / 2 h / 120 °C 2: 18percent aq. HCl / 1.5 h / Heating View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: methanol 2: 49 percent / 30 percent H2O2 / trifluoroacetic acid / 288 h / Ambient temperature 3: 56 percent / methanol / Irradiation 4: acid View Scheme |
6-methoxy-7-methyl-7H-purine
7-methylxanthine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 49 percent / 30 percent H2O2 / trifluoroacetic acid / 288 h / Ambient temperature 2: 56 percent / methanol / Irradiation 3: acid View Scheme |
6-methoxy-7-methylpurine 3-oxide
7-methylxanthine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 56 percent / methanol / Irradiation 2: acid View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: phosphorus oxychloride / 140 °C 2: hydrochloric acid / 120 - 125 °C View Scheme |
7-methylxanthine
Conditions | Yield |
---|---|
With acetic acid; sodium nitrite |
7-methylxanthine
(2-trimethylethylsilylethoxy)methyl chloride
7-methyl-3-(2-trimethylsilyl)ethoxymethylxanthine
Conditions | Yield |
---|---|
69% |
7-methylxanthine
1,5-dichloropentane
1,3-Bis(ω-chloropentyl)-7-methyl-xanthine
Conditions | Yield |
---|---|
With sodium hydroxide In N,N-dimethyl-formamide at 85 - 105℃; | 68% |
7-methylxanthine
Conditions | Yield |
---|---|
With nitronium tetrafluoborate; acetic acid at 120℃; for 1h; | 38% |
2-bromomethylfuran
7-methylxanthine
3-(furan-2-ylmethyl)-7-methylxanthine
Conditions | Yield |
---|---|
With sodium sulfate In water; dimethyl sulfoxide; ethyl acetate | 14% |
With sodium sulfate In water; dimethyl sulfoxide; ethyl acetate |
allyl iodid
7-methylxanthine
3-allyl-7-methyl-3,7-dihydro-purine-2,6-dione
Conditions | Yield |
---|---|
With potassium hydroxide |
7-methylxanthine
7-methyl-2-oxo-6-thioxo-1,2,3,6-tetrahydropurine
Conditions | Yield |
---|---|
With pyridine; tetraphosphorus decasulfide | |
With pyridine; tetraphosphorus decasulfide for 8h; Heating; |
Conditions | Yield |
---|---|
With phosphorus pentachloride; trichlorophosphate |
Conditions | Yield |
---|---|
With triethylamine In water Ambient temperature; |
7-methylxanthine
Conditions | Yield |
---|---|
With azide radical In water at 25℃; Rate constant; various pH; |
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