high quality ,iso , cgmp . accept the supplier audit . in stock now ,capacity is flexible support the documents Appearance:white powder Storage: protect from light seal room temperature Package:DRUM Application:key intermediates Port:SHANGH
Cas:93703-24-3
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Negotiable
Type:Lab/Research institutions
inquiryDayangchem’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. Near 20 years DayangChem has provided dif
Cas:93703-24-3
Min.Order:1 Kilogram
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inquiryWhy is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days. 4) We have warehouse in USA with quickly shipment . 5) We c
Cas:93703-24-3
Min.Order:2 Kilogram
FOB Price: $55.0 / 200.0
Type:Trading Company
inquiryItems Standard Result Appearance White to Off-white powder conforms Identification By NMR/LC-MS HPLC
Cas:93703-24-3
Min.Order:1 Kilogram
FOB Price: $100.0
Type:Manufacturers
inquiryUnique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Off-white to light yellow powder Storage:cool dry place Package:1kg/foil bag;25kg/drum Application:pharmaceutical
Cas:93703-24-3
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiry8-Bromo-3-methyl-xanthine CAS No.:93703-24-3 Name: 8-Bromo-3-methyl-xanthine Molecular Structure: Molecular Formula: C6H5BrN4O2 Molecular Weight: 245.03 CAS Registry Number: 93703-24-3 Appearance:
Cas:93703-24-3
Min.Order:1 Kilogram
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inquiryhigh quality Appearance:white powder Storage:Sealed, dry, microtherm , avoid light and smell Package:According to the demand of customer Application:Pharmaceutical intermediates Transportation:by air or by sea Port:shanghai
Cas:93703-24-3
Min.Order:1 Kilogram
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:93703-24-3
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquirySichuan Tongsheng is the most strongest manufacturer and exporter of amino acids and their derivatives in China, we guarantee high quality, competive price and reliable service. We fully compliance with ISO9001:2008, production and quality manage
High quality. Factory supply. In stock. Best price. 1.Quick response within 24 hours; 2.Best quality in your requirement; 3.We pay more attention on delivery time, and usually ship on time; 4.Under the premise of safety and effectiveness, we can pr
Cas:93703-24-3
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryCangzhou 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 ap
Cas:93703-24-3
Min.Order:0 Metric Ton
Negotiable
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:93703-24-3
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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:93703-24-3
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryChengdu words and import and export co., LTD is one specialized is engaged in pharmaceutical intermediates, fine chemical industry in the field of research. Development and production of high-tech enterprises.We can provide Ephedrine products to ne
Cas:93703-24-3
Min.Order:0 Metric Ton
Negotiable
Type:Trading Company
inquiry8-Bromo-3-methyl-xanthine Basic information Product Name: 8-Bromo-3-methyl-xanthine Synonyms: 8-Bromo-3-methyl-xanthine;8-Bromo-3-methyl-3,7-dihydro-1H-purine-2,6-dione;8-bromo-3-methyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione;8-Bromo-3-methyl-7H
Cas:93703-24-3
Min.Order:1 Gram
Negotiable
Type:Other
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:93703-24-3
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
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:93703-24-3
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
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 email in time prod
Cas:93703-24-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryName: 8-Bromo-3-methyl-xanthine Other name:3-Methyl-8-broMoxanthine,8-broMo-3-Methyl-1H-purine-2-6(3H-7H) Cas:93703-24-3 Molecular formula:C6H5BrN4O2 Molecular weight:245.0335 Color:White Powder Purity:99% Appearance:White crys
Advantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best serv
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:93703-24-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWuhan hanweishi Pharmchem Co., Ltd(Hanways chempharm) is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The leading products range are APIs, Hormones, Peptides
Cas:93703-24-3
Min.Order:100 Kilogram
FOB Price: $1.0 / 5.0
Type:Trading Company
inquiryProduct Name: 8-Bromo-3-methyl-xanthine CAS: 93703-24-3 MF: C6H5BrN4O2 MW: 245.03 EINECS: 819-117-0 Mol File: 93703-24-3.mol 8-Bromo-3-methyl-xanthine Structure 8-Bromo-3-methyl-xanthine Chemical Properties Melting point 300&d
Cas:93703-24-3
Min.Order:1 Gram
Negotiable
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 Appearance:white powder/ Refer to COA Storage:Refer to COA
Cas:93703-24-3
Min.Order:0 Metric Ton
Negotiable
Type:Trading Company
inquiryProduct Description Product website: http://www.finerchem.com Product Name 8-Bromo-3-methyl-3,7-dihydropu
Cas:93703-24-3
Min.Order:1 Gram
FOB Price: $6.0
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:93703-24-3
Min.Order:1 Kilogram
FOB Price: $53.0 / 56.0
Type:Trading Company
inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
Cas:93703-24-3
Min.Order:0
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:93703-24-3
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
3-methyl-8-bromoxanthine
Conditions | Yield |
---|---|
With N-Bromosuccinimide; potassium carbonate In 1,2-dichloro-ethane at 60℃; for 5h; Reagent/catalyst; Solvent; Temperature; | 97% |
3-methylxanthine
3-methyl-8-bromoxanthine
Conditions | Yield |
---|---|
With bromine; sodium acetate In acetic acid at 50 - 65℃; for 3h; | 96.6% |
With bromine; acetic acid at 100℃; for 6h; | 95% |
With bromine; sodium acetate; acetic acid at 65℃; for 3h; | 94.17% |
Conditions | Yield |
---|---|
Stage #1: formic acid; 5,6-diamino-1-methyluracil In water for 2h; Reflux; Stage #2: With sodium hydroxide In water at 100℃; for 16h; Stage #3: With bromine; sodium acetate; acetic acid at 66℃; for 3h; | 84% |
3-methyl-8-nitroxanthine
3-methyl-8-bromoxanthine
Conditions | Yield |
---|---|
With potassium bromate; hydrogen bromide In acetic acid at 80 - 95℃; for 12h; | 83% |
With hydrogen bromide for 4h; Heating; | 64% |
5,6-diamino-1-methyluracil
3-methyl-8-bromoxanthine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: water / 3 h / 105 °C 1.2: 1 h / 105 °C 2.1: sodium acetate; bromine; acetic acid / water / 2 h / 65 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: water / 3 h / Reflux; Inert atmosphere 1.2: 1 h / Reflux; Inert atmosphere 2.1: acetic acid; sodium acetate; bromine / water / 2 h / 65 °C View Scheme | |
Multi-step reaction with 2 steps 1: sodium hydroxide 2: hydrogen bromide; sodium chlorate View Scheme |
6-amino-1-methyluracil
3-methyl-8-bromoxanthine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: acetic acid; sodium nitrite / water / 1.5 h / 20 - 50 °C 2.1: ammonium hydroxide; sodium dithionite / 7 h / 25 - 60 °C 3.1: water / 3 h / 105 °C 3.2: 1 h / 105 °C 4.1: sodium acetate; bromine; acetic acid / water / 2 h / 65 °C View Scheme | |
Multi-step reaction with 3 steps 1.1: sodium dithionite; ammonium hydroxide / 1 h / 50 °C 2.1: water / 3 h / Reflux; Inert atmosphere 2.2: 1 h / Reflux; Inert atmosphere 3.1: acetic acid; sodium acetate; bromine / water / 2 h / 65 °C View Scheme | |
Multi-step reaction with 4 steps 1: sodium nitrite / Acidic conditions 2: sodium dithionite 3: sodium hydroxide 4: hydrogen bromide; sodium chlorate View Scheme |
6-amino-1-methyl-5-nitrosouracil
3-methyl-8-bromoxanthine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: ammonium hydroxide; sodium dithionite / 7 h / 25 - 60 °C 2.1: water / 3 h / 105 °C 2.2: 1 h / 105 °C 3.1: sodium acetate; bromine; acetic acid / water / 2 h / 65 °C View Scheme | |
Multi-step reaction with 3 steps 1: sodium dithionite 2: sodium hydroxide 3: hydrogen bromide; sodium chlorate View Scheme | |
Multi-step reaction with 3 steps 1: sodium dithionite / water / 1 h / 70 °C 2: toluene-4-sulfonic acid / N,N-dimethyl-formamide / 3.5 h / 70 °C / Inert atmosphere 3: acetic acid; bromine; sodium acetate / 3 h / 65 °C View Scheme | |
Multi-step reaction with 3 steps 1.1: ammonium hydroxide; sodium dithionite / 1 h / 35 - 60 °C 2.1: water / 3 h / 105 °C 2.2: 1 h / 105 °C 3.1: acetic acid; sodium acetate; bromine / 2 h / 65 °C View Scheme | |
Multi-step reaction with 3 steps 1.1: sodium dithionite; ammonia / 1 h / 50 °C 2.1: water / 3 h / Reflux; Inert atmosphere 3.1: acetic acid; sodium acetate / 25 - 30 °C 3.2: 10 - 65 °C View Scheme |
4-(N-methylamino)-1H-imidazole-5-carboxamide
3-methyl-8-bromoxanthine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: perchloric acid adsorbed on silica gel; formic acid / ethanol / 0.33 h / 20 °C 2: sodium acetate; acetic acid; bromine / 3 h / 65 °C View Scheme |
3-methyl-8-bromoxanthine
1-Bromo-2-butyne
8-bromo-7-(but-2-yn-1-yl)-3-methyl-2,,6-dihydro-1H-purine-2,6-dione
Conditions | Yield |
---|---|
With sodium carbonate In acetone at 40℃; for 4h; Temperature; Reagent/catalyst; Solvent; | 98% |
With N-ethyl-N,N-diisopropylamine In acetone Solvent; Reflux; Further stages; | 97.4% |
With triethylamine In N,N-dimethyl-formamide at 20℃; for 10h; | 95.68% |
3-methyl-8-bromoxanthine
8-mercapto-3-methylxanthine
Conditions | Yield |
---|---|
With potassium hydrosulfide In methanol at 170 - 175℃; for 8h; sealed ampoule; | 96.5% |
dimethylacetylene
3-methyl-8-bromoxanthine
Conditions | Yield |
---|---|
With N,N,N,N,-tetramethylethylenediamine; copper(II) perchlorate In N,N-dimethyl-formamide at 50℃; for 4h; Temperature; Inert atmosphere; | 95.1% |
2-(chloromethyl)thiirane
3-methyl-8-bromoxanthine
8-bromo-3-methyl-7-(thietan-3-yl)-3,7-dihydro-1H-pyrine-2,6-dione
Conditions | Yield |
---|---|
With potassium hydroxide In water; N,N-dimethyl-formamide at 0 - 20℃; | 94.3% |
Conditions | Yield |
---|---|
With potassium carbonate In N-methyl-acetamide; water | 93% |
With potassium carbonate In N-methyl-acetamide; water | 93% |
With potassium carbonate In N-methyl-acetamide; water | 93% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 60℃; for 6h; | 92% |
With potassium carbonate In N,N-dimethyl-formamide at 60℃; for 6h; | 92% |
3-methyl-8-bromoxanthine
prenyl bromide
8-bromo-3-methyl-7-(3-methyl-but-2-enyl)-3,7-dihydro-purine-2,6-dione
Conditions | Yield |
---|---|
Stage #1: 3-methyl-8-bromoxanthine With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide for 0.166667h; Stage #2: prenyl bromide In N,N-dimethyl-formamide at 20℃; | 91.1% |
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 80℃; for 4h; | 86% |
With N-ethyl-N,N-diisopropylamine In DMF (N,N-dimethyl-formamide) at 20℃; for 0.5h; | 80% |
dimethylacetylene
3-methyl-8-bromoxanthine
Conditions | Yield |
---|---|
With 1,10-Phenanthroline; copper dichloride In N,N-dimethyl-formamide at 50℃; for 6h; Reagent/catalyst; Concentration; Solvent; Inert atmosphere; | 91.1% |
3-methyl-8-bromoxanthine
2-(bromomethyl)benzonitrile
2-((8-bromo-3-methyl-2,6-dioxo-1,2,3,6-tetrahydro-7H-purin-7-yl)methyl)benzonitrile
Conditions | Yield |
---|---|
91% | |
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; | |
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; | |
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; | |
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; |
o-fluorobenzyl bromide
3-methyl-8-bromoxanthine
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 80℃; for 4h; | 90% |
benzyl bromide
3-methyl-8-bromoxanthine
7-benzyl-8-bromo-3-methyl-1H-purine-2,6(3H,7H)-dione
Conditions | Yield |
---|---|
With potassium carbonate In N-methyl-acetamide | 89% |
With potassium carbonate In N-methyl-acetamide | 89% |
With potassium carbonate In N-methyl-acetamide | 89% |
3-methyl-8-bromoxanthine
allyl bromide
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; | 86% |
3-picolyl bromide
3-methyl-8-bromoxanthine
Conditions | Yield |
---|---|
With hydrogen bromide; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 80℃; for 4h; | 86% |
3-methyl-8-bromoxanthine
p-methoxybenzyl chloride
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 80℃; for 2.5h; | 85% |
methyl 4-(bromomethyl)-3-fluorobenzoate
3-methyl-8-bromoxanthine
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 80℃; for 4h; | 84% |
3-methyl-8-bromoxanthine
2-methylbenzyl bromide
8-Bromo-3-methyl-7-(2-methylbenzyl)-3,7-dihydropurine-2,6-dione
Conditions | Yield |
---|---|
79% |
4-Cyanophenacyl bromide
3-methyl-8-bromoxanthine
8-bromo-7-[2-(4-cyanophenyl)-2-oxoethyl]-3,7-dihydro-3-methyl-1H-purine-2,6-dione
Conditions | Yield |
---|---|
Stage #1: 3-methyl-8-bromoxanthine With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 25℃; for 0.0833333h; Inert atmosphere; Stage #2: 4-Cyanophenacyl bromide In N,N-dimethyl-formamide at 25℃; Inert atmosphere; | 79% |
3-methyl-8-bromoxanthine
3,4-dibenzyloxybenzyl chloride
Conditions | Yield |
---|---|
With tetra-(n-butyl)ammonium iodide; sodium hydride In N,N-dimethyl-formamide at 60℃; for 12h; | 78% |
With tetra-(n-butyl)ammonium iodide; sodium hydride In N,N-dimethyl-formamide at 60℃; for 12h; | 78% |
3-methyl-8-bromoxanthine
i-pentyl bromide
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 15h; | 78% |
1-bromo-4-methylpent-3-ene
3-methyl-8-bromoxanthine
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 80℃; for 4h; Reagent/catalyst; | 78% |
2-(bromomethyl)-1-chloro-3-fluorobenzene
3-methyl-8-bromoxanthine
Conditions | Yield |
---|---|
With potassium carbonate In DMF (N,N-dimethyl-formamide) at 60℃; for 2h; | 76% |
2-bromo-1-(3-chloro-phenyl)-ethanone
3-methyl-8-bromoxanthine
8-bromo-7-(2-(3-chlorophenyl)-2-oxoethyl)-3-methyl-1H-purine-2,6(3H,7H)-dione
Conditions | Yield |
---|---|
Stage #1: 3-methyl-8-bromoxanthine With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 25℃; for 0.0833333h; Inert atmosphere; Schlenk technique; Stage #2: 2-bromo-1-(3-chloro-phenyl)-ethanone In N,N-dimethyl-formamide at 25℃; for 15h; Inert atmosphere; Schlenk technique; | 76% |
bromomethyl 2-methoxyphenyl ketone
3-methyl-8-bromoxanthine
8-bromo-3,7-dihydro-7-[2-(2-methoxyphenyl)-2-oxoethyl]-3-methyl-1H-purine-2,6-dione
Conditions | Yield |
---|---|
Stage #1: 3-methyl-8-bromoxanthine With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 25℃; for 0.0833333h; Inert atmosphere; Stage #2: bromomethyl 2-methoxyphenyl ketone In N,N-dimethyl-formamide at 25℃; Inert atmosphere; | 75% |
2-bromo-1-(3-hydroxyphenyl)ethanone
3-methyl-8-bromoxanthine
8-bromo-3,7-dihydro-7-[2-(3-hydroxyphenyl)-2-oxoethyl]-3-methyl-1H-purine-2,6-dione
Conditions | Yield |
---|---|
Stage #1: 3-methyl-8-bromoxanthine With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 25℃; for 0.0833333h; Inert atmosphere; Stage #2: 2-bromo-1-(3-hydroxyphenyl)ethanone In N,N-dimethyl-formamide at 25℃; Inert atmosphere; | 75% |
3-methyl-8-bromoxanthine
2-bromo-3'-methylacetophenone
8-bromo-3,7-dihydro-3-methyl-7-[2-(3-methylphenyl)-2-oxoethyl]-1H-purine-2,6-dione
Conditions | Yield |
---|---|
Stage #1: 3-methyl-8-bromoxanthine With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 25℃; for 0.0833333h; Inert atmosphere; Stage #2: 2-bromo-3'-methylacetophenone In N,N-dimethyl-formamide at 25℃; Inert atmosphere; | 75% |
3-methyl-8-bromoxanthine
2-bromo-3'-methoxyacetophenone
8-bromo-3,7-dihydro-7-[2-(3-methoxyphenyl)-2-oxoethyl]-3-methyl-1H-purine-2,6-dione
Conditions | Yield |
---|---|
Stage #1: 3-methyl-8-bromoxanthine With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 25℃; for 0.0833333h; Inert atmosphere; Stage #2: 2-bromo-3'-methoxyacetophenone In N,N-dimethyl-formamide at 25℃; Inert atmosphere; | 75% |
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