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:133940-72-4
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FOB Price: $1.0 / 10.0
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 emai
Cas:133940-72-4
Min.Order:1 Kilogram
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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
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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:133940-72-4
Min.Order:10 Kilogram
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Type:Trading Company
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
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inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:133940-72-4
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryfactory?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:133940-72-4
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
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:133940-72-4
Min.Order:1 Gram
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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:133940-72-4
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryWe 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:133940-72-4
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryStock products, own laboratoryAppearance:Brown to dark brown powder Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
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Min.Order:0
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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
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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:133940-72-4
Min.Order:1 Gram
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Type:Manufacturers
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou
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Min.Order:0
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Type:Lab/Research institutions
inquiry1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
Cas:133940-72-4
Min.Order:0
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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
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Type:Lab/Research institutions
inquiryWe are a trading company aiming at providing high-quality services to customers. Established for many years, with good reputation in the industry Storage:Sealed and preserved Application:Fine chemical intermediates, used as the main raw material for
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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
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Min.Order:0
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Type:Trading Company
inquiry3,6-diaminopyrazine-2,5-dicarbonitrile Application:3,6-diaminopyrazine-2,5-dicarbonitrile
We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as primary a
Supply top quality products with a reasonable price Application:api
2,5-PYRAZINEDICARBONITRILE,3,6-DIAMINO-Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:133940-72-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHangzhou ZeErRui Chemical Co., Ltd. is focused on customization, research and development and production of APIs and advanced intermediates, which can effectively compensate for the deficiencies of traditional CRO and CMO. Priority of high-tech barri
Cas:133940-72-4
Min.Order:0
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Type:Lab/Research institutions
inquiryWuhan Xinweiye Chemical Co., Ltd. is mainly engaged in the process development and production of customized synthesis and pharmaceutical intermediates. We have professional researchers in organic synthesis, analytical chemistry and production process
Cas:133940-72-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1. 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
Cas:133940-72-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry3,6-diaminopyrazine-2,5-dicarbonitrileAppearance:ask Storage:keep in dry and cool condition Package:foil aluminium bag/vacuum packing Application:intermediates Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(
Cas:133940-72-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryStable supply of goods and provision of high-quality services Application:As raw materials in the field of medicine and biology
Cas:133940-72-4
Min.Order:0
Negotiable
Type:Trading Company
inquiryfactory?direct?sale Application:Fine chemical intermediates, used as the main raw material for the synthesis of various pesticides, medicines, surfactants, polymer monomers, and antifungal agents
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:133940-72-4
Min.Order:0
Negotiable
Type:Trading Company
inquirysodium citrate
3,6-diaminopyrazine-2,5-dicarbonitrile
Conditions | Yield |
---|---|
With citric acid In 1,2-dimethoxyethane; water | 48.7% |
3,6-diaminopyrazine-2,5-dicarbonitrile
Conditions | Yield |
---|---|
In 1,2-dimethoxyethane; water at 20℃; for 5h; pH=3; | 45% |
3,6-diaminopyrazine-2,5-dicarbonitrile
Conditions | Yield |
---|---|
40.3% |
1-iodo-butane
butyl isothiocyanate
3,6-diaminopyrazine-2,5-dicarbonitrile
3,8-di-n-butyl-2,7-di-n-butylthio-4,9-diimino-3,4,8,9-tetrahydropyrimido[4,5-g]pteridine
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide for 0.166667h; | 72% |
Conditions | Yield |
---|---|
Stage #1: methylamine; 3,6-diaminopyrazine-2,5-dicarbonitrile In ethanol; N,N-dimethyl-formamide at 20℃; for 144h; Stage #2: cyclohexanone In ethanol; N,N-dimethyl-formamide for 0.5h; Heating; | 43% |
3,6-diaminopyrazine-2,5-dicarbonitrile
Tert-butyl isocyanate
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide at 20℃; for 2h; | A 20% B 36% |
n-butyl isocyanide
3,6-diaminopyrazine-2,5-dicarbonitrile
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide at 20℃; for 2h; | 23% |
propylamine
3,6-diaminopyrazine-2,5-dicarbonitrile
Conditions | Yield |
---|---|
In N,N-dimethyl acetamide at 20℃; for 9h; | A 14% B 15% |
Conditions | Yield |
---|---|
Stage #1: 4-Fluorobenzyl bromide; 3,6-diaminopyrazine-2,5-dicarbonitrile With N,N-dimethyl acetamide at 0℃; for 0.5h; Stage #2: With sodium hydroxide at 20℃; for 0.5h; | 5% |
1-Iodoheptane
3,6-diaminopyrazine-2,5-dicarbonitrile
Conditions | Yield |
---|---|
With sodium hydroxide In N,N-dimethyl acetamide at 20℃; | 4.4% |
1-Iodododecane
3,6-diaminopyrazine-2,5-dicarbonitrile
Conditions | Yield |
---|---|
With sodium hydroxide In N,N-dimethyl acetamide at 20℃; | 4.2% |
1-bromomethyl-4-iodobenzene
3,6-diaminopyrazine-2,5-dicarbonitrile
Conditions | Yield |
---|---|
Stage #1: 1-bromomethyl-4-iodobenzene; 3,6-diaminopyrazine-2,5-dicarbonitrile With N,N-dimethyl acetamide at 0℃; for 0.5h; Stage #2: With sodium hydroxide at 20℃; for 0.5h; | 4% |
1-Iodohexane
3,6-diaminopyrazine-2,5-dicarbonitrile
Conditions | Yield |
---|---|
With sodium hydroxide In N,N-dimethyl acetamide at 20℃; | 3.4% |
1-Iodooctane
3,6-diaminopyrazine-2,5-dicarbonitrile
Conditions | Yield |
---|---|
With sodium hydroxide In N,N-dimethyl acetamide at 20℃; | 3.3% |
n-iodooctadecane
3,6-diaminopyrazine-2,5-dicarbonitrile
Conditions | Yield |
---|---|
With sodium hydroxide In N,N-dimethyl acetamide at 20℃; | 1.7% |
1-iodohexadecane
3,6-diaminopyrazine-2,5-dicarbonitrile
Conditions | Yield |
---|---|
With sodium hydroxide In N,N-dimethyl acetamide at 20℃; | 1.5% |
2,4,6-trimethylbenzylbromide
3,6-diaminopyrazine-2,5-dicarbonitrile
3,6-diaminopyrazine-2,5-dicarbonitrile
3,8-di-n-butyl-1,2,3,4,6,7,8,9-octahydropyrimido[4,5-g]pteridine-2,4,7,9-tetrone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 72 percent / NaH / dimethylformamide / 0.17 h 2: 87 percent / 6N aq. H2SO4 / propan-1-ol / 24 h / Heating View Scheme |
3,6-diaminopyrazine-2,5-dicarbonitrile
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 15 percent / N,N-dimethyl-acetamide / 9 h / 20 °C 2: dimethylformamide / 1 h / Heating View Scheme |
3,6-diaminopyrazine-2,5-dicarbonitrile
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 72 percent / NaH / dimethylformamide / 0.17 h 2: 87 percent / 6N aq. H2SO4 / propan-1-ol / 24 h / Heating 3: 11 percent / K2CO3 / dimethylformamide / 2 h / Heating View Scheme |
3,6-diaminopyrazine-2,5-dicarbonitrile
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 72 percent / NaH / dimethylformamide / 0.17 h 2: 87 percent / 6N aq. H2SO4 / propan-1-ol / 24 h / Heating 3: 74 percent / K2CO3 / dimethylformamide / 2 h / Heating View Scheme |
bromoacetic acid tert-butyl ester
3,6-diaminopyrazine-2,5-dicarbonitrile
Conditions | Yield |
---|---|
With sodium hydroxide In ISOPROPYLAMIDE at 0 - 20℃; for 1 - 2h; |
Conditions | Yield |
---|---|
Stage #1: Iodoethanol; 3,6-diaminopyrazine-2,5-dicarbonitrile With sodium hydroxide In ISOPROPYLAMIDE at 0 - 20℃; for 2h; Stage #2: With sulfuric acid at 20℃; for 3h; |
3-(trimethoxysilyl)propan-1-amine
3,6-diaminopyrazine-2,5-dicarbonitrile
C18H38N8O6Si2
Conditions | Yield |
---|---|
at 70℃; for 24h; |
3,6-diaminopyrazine-2,5-dicarbonitrile
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: copper(ll) bromide; tert.-butylnitrite / water; acetonitrile / 2 h / 40 °C 2: tris-(o-tolyl)phosphine; tris-(dibenzylideneacetone)dipalladium(0) / toluene View Scheme |
3,6-diaminopyrazine-2,5-dicarbonitrile
3,6-dibromopyrazine-2,5-dicarbonitrile
Conditions | Yield |
---|---|
With tert.-butylnitrite; copper(ll) bromide In water; acetonitrile at 40℃; for 2h; Temperature; Solvent; Reagent/catalyst; | 45.34 g |
Conditions | Yield |
---|---|
With sodium hydroxide In N,N-dimethyl acetamide at 20℃; |
Conditions | Yield |
---|---|
With sodium hydroxide In N,N-dimethyl acetamide at 20℃; |
Conditions | Yield |
---|---|
With sodium hydroxide In N,N-dimethyl acetamide |
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