DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:13134-31-1
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:13134-31-1
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
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:13134-31-1
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 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:13134-31-1
Min.Order:1 Kilogram
FOB Price: $10.0 / 20.0
Type:Trading Company
inquiryAppearance:pale brown to brown solid Storage:2-8°C(protect from light) Package:25kg/Barrel Application:Pharmaceutical intermediates Transportation:Express/Sea/Air Port:Any port in China
Cas:13134-31-1
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
Cas:13134-31-1
Min.Order:1 Kilogram
FOB Price: $9.0 / 99.0
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:13134-31-1
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
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
Cas:13134-31-1
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
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
Product Name: 2,3-PYRAZINEDIAMINE Synonyms: 2,3-PYRAZINEDIAMINE;2,3-DIAMINOPYRAZINE;PYRAZINE-2,3-DIAMINE;Nsc139902;2,3- twoaMinopiperazine;SA017326;2,3-PYRAZINEDIAMINE ISO 9001:2015 REACH CAS: 13134-31-1 MF: C4H6N4 MW: 110.12 EINECS:
Cas:13134-31-1
Min.Order:1 Gram
Negotiable
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:13134-31-1
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
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
We 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
Shandong 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:13134-31-1
Min.Order:1 Gram
Negotiable
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:13134-31-1
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryLocated in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and h
GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation
We 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:13134-31-1
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
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
1.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
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
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
Name: 2,3-PYRAZINEDIAMINE CAS: 13134-31-1 Molecular Formula: C4H6N4 Molecular Weight: 110.117 Application:Fine chemical
Cas:13134-31-1
Min.Order:0 Metric Ton
Negotiable
Type:Trading Company
inquiryhigh qualityAppearance:white crystalline powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Cas:13134-31-1
Min.Order:0
Negotiable
Type:Manufacturers
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
Appearance: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:13134-31-1
Min.Order:0
Negotiable
Type:Trading Company
inquiry"HANGZHOU TIANYE CHEMICALS Co.LTD , Located in Eastern Science and Innovation Park Hangzhou .We are a high-tech enterprise specialized in technical research and development, production, development and trade of chemical products. We supply Multiple s
We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white to yellow crystal powder Storage:Room temperature with sealed well Package:according to the clients requirement Applicatio
2-amino-3-azidopyrazine
pyrazine-2,3-diamine
Conditions | Yield |
---|---|
With hydrogenchloride; tin(ll) chloride In methanol at 60℃; for 2h; | 87% |
With hydrogenchloride; tin(ll) chloride In methanol at 60℃; | 70% |
[1,2,5]thiadiazolo[3,4-b]pyrazine
pyrazine-2,3-diamine
Conditions | Yield |
---|---|
With hydrogenchloride; tin(ll) chloride for 1h; Ambient temperature; | 83% |
3-chloropyrazin-2-amine
pyrazine-2,3-diamine
Conditions | Yield |
---|---|
With ammonia In water at 130℃; Sealed tube; | 11% |
With ammonia; water; copper |
3-bromo-pyrazine-2-amine
pyrazine-2,3-diamine
Conditions | Yield |
---|---|
With ammonia; copper In ethanol at 140℃; for 20h; | 2.05 g |
2,3-diamino-5-bromopyrazine
pyrazine-2,3-diamine
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In ethanol under 2068.65 Torr; for 8h; |
pyrazine-2,3-diamine
2,3-dihydroxyanthracene
5,14-dihydro-1,4,5,14-tetraazapentacene
Conditions | Yield |
---|---|
at 205 - 215℃; for 3h; Inert atmosphere; | 98% |
pyrazine-2,3-diamine
1,1'-carbonyldiimidazole
1H-imidazo<4,5-b>pyrazin-2(3H)-one
Conditions | Yield |
---|---|
In tetrahydrofuran at 80℃; for 4h; Inert atmosphere; | 92% |
pyrazine-2,3-diamine
bis[dichloro(pentamethylcyclopentadienyl)iridium(III)]
potassium oxalate monohydrate
Conditions | Yield |
---|---|
In methanol at 20℃; for 3h; | 85% |
Conditions | Yield |
---|---|
With acetic acid Reflux; | 82% |
Conditions | Yield |
---|---|
In diphenylether at 240℃; for 5h; | 57% |
pyrazine-2,3-diamine
1,2-Cyclohexanediol
Conditions | Yield |
---|---|
With dodecacarbonyl-triangulo-triruthenium; potassium tert-butylate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In tert-Amyl alcohol at 130℃; for 10h; Inert atmosphere; Schlenk technique; Sealed tube; | 56% |
pyrazine-2,3-diamine
trifluoroacetic acid
2-(trifluoromethyl)-1H-imidazo[4.5-b]pyrazine
Conditions | Yield |
---|---|
at 120℃; for 16h; | 54% |
pyrazine-2,3-diamine
2-methoxy-4-(methylsulfanyl)benzoic acid
2-(2-methoxy-4-methylthiophenyl)-1H-imidazo<4,5-b>pyrazine
Conditions | Yield |
---|---|
With trichlorophosphate for 4h; Heating; | 45% |
pyrazine-2,3-diamine
1,2-diphenyl-1,2-ethanediol
Conditions | Yield |
---|---|
With dodecacarbonyl-triangulo-triruthenium; potassium tert-butylate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In tert-Amyl alcohol at 130℃; for 10h; Inert atmosphere; Schlenk technique; Sealed tube; | 43% |
pyrazine-2,3-diamine
ethyl 3-oxo-3-phenylpropionate
Conditions | Yield |
---|---|
Stage #1: ethyl 3-oxo-3-phenylpropionate With copper nitrate hemi(pentahydrate) In acetonitrile at 50℃; for 1h; Stage #2: pyrazine-2,3-diamine In methanol; acetonitrile at 20℃; for 2h; | 33% |
pyrazine-2,3-diamine
Conditions | Yield |
---|---|
With pyridine; triphenylphosphine at 220℃; for 1h; Microwave irradiation; | 26% |
pyrazine-2,3-diamine
9,10-bis((triisopropylsilyl)ethynyl)anthracene-2,3-diol
7,12-bis((triisopropylsilyl)ethynyl)-5,14-dihydro-1,4,5,14-tetraazapentacene
Conditions | Yield |
---|---|
at 205 - 215℃; for 0.5h; Inert atmosphere; | 25% |
pyrazine-2,3-diamine
3-carbomethoxyphenyl isothiocyanate
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 100℃; for 2h; | 5% |
pyrazine-2,3-diamine
ethoxy-1 formyl-2 butene-1
5,14-dihydro-7,16-diethyldipyrazo<1,4,8,11>tetraazacyclotetradecine
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide for 4h; Heating; | 3% |
pyrazine-2,3-diamine
glycolic Acid
(1H-imidazo[4,5-b]pyrazin-2-yl)-methanol
Conditions | Yield |
---|---|
at 140 - 150℃; |
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