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:6713-54-8
Min.Order:1 Kilogram
FOB Price: $3.0
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
Cas:6713-54-8
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:6713-54-8
Min.Order:1 Kilogram
FOB Price: $1000.0
Type:Lab/Research institutions
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:6713-54-8
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
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:6713-54-8
Min.Order:1 Kilogram
FOB Price: $7.0 / 9.0
Type:Trading Company
inquirySpecifications product: 2,4,6,8-Tetrahydroxy-pyrimido[5,4-d]pyrimidine CASNO: 6713-54-8 reliable supplier competitive price best service product: 2,4,6,8-Tetrahydroxy-pyrimido[5,4-d]pyrimidine CASNO: 6713-54-8 usage: Dipyri
Cas:6713-54-8
Min.Order:5 Metric Ton
FOB Price: $1.0 / 2.0
Type:Other
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:Powder Storage:Store in sealed containers at cool & dry plac
Cas:6713-54-8
Min.Order:100 Gram
Negotiable
Type:Other
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:6713-54-8
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry2,4,6,8-Tetrahydroxy-Pyrimido-(5,4D)Pyrimidine CAS:6713-54-8 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
Cas:6713-54-8
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:6713-54-8
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:6713-54-8
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
Cas:6713-54-8
Min.Order:0
Negotiable
Type:Manufacturers
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 present
Cas:6713-54-8
Min.Order:1 Gram
FOB Price: $69.0
Type:Trading Company
inquiryOur Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter
Cas:6713-54-8
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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
Cas:6713-54-8
Min.Order:0 Metric Ton
Negotiable
Type:Other
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:6713-54-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryZibo 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:6713-54-8
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,
Cas:6713-54-8
Min.Order:1 Milligram
Negotiable
Type:Trading Company
inquiryHunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as
Cas:6713-54-8
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryShanghai Massive Chemical Technology Co., Ltd. is engaged in development, production and marketing Specialty Chemicals to satisfy the changing needs of the chemical industry. We specialize in manufacturing high quality of Advanced Intermediates, Sp
Cas:6713-54-8
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryLower 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
Cas:6713-54-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Cas:6713-54-8
Min.Order:0
Negotiable
Type:Other
inquiryR & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
Cas:6713-54-8
Min.Order:0
Negotiable
Type:Manufacturers
inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Cas:6713-54-8
Min.Order:0
Negotiable
Type:Manufacturers
inquiryTAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
Cas:6713-54-8
Min.Order:0
Negotiable
Type:Manufacturers
inquiry1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re
Cas:6713-54-8
Min.Order:0
Negotiable
Type:Other
inquirybulk productiongoods in stockswe have the best competitive price in the marketmeantime,we are committed to service to our every customer Chemsigma International Co.,Ltd. is a chemical manufacturer, specialize in custom synthesis and organic chemical
Cas:6713-54-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAnsciep 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
Cas:6713-54-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe 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:6713-54-8
Min.Order:0
Negotiable
Type:Trading Company
inquiryAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
Cas:6713-54-8
Min.Order:0
Negotiable
Type:Trading Company
inquirypotassium cyanate
5-amino-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid
1,5-dihydro-pyrimido[5,4-d]pyrimidine-2,4,6,8-tetraone
Conditions | Yield |
---|---|
With water; ammonium chloride at 210℃; |
5-amino-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid
urea
1,5-dihydro-pyrimido[5,4-d]pyrimidine-2,4,6,8-tetraone
Conditions | Yield |
---|---|
With water; ammonium chloride at 210℃; |
1,5-dihydro-pyrimido[5,4-d]pyrimidine-2,4,6,8-tetraone
1,3,5,7-tetramethyl-1,5-dihydro-pyrimido[5,4-d]pyrimidine-2,4,6,8-tetraone
1,5-dihydro-pyrimido[5,4-d]pyrimidine-2,4,6,8-tetraone
dimethyl sulfate
A
1,3,7-trimethyl-1,5-dihydro-pyrimido[5,4-d]pyrimidine-2,4,6,8-tetraone
B
1,3,5,7-tetramethyl-1,5-dihydro-pyrimido[5,4-d]pyrimidine-2,4,6,8-tetraone
Conditions | Yield |
---|---|
With potassium hydroxide at 30 - 40℃; |
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