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Dayang Chem (Hangzhou) Co.,Ltd.

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

2,3-Diaminopyrazine Manufacturer/High quality/Best price/In stock

Cas:13134-31-1

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Xi'an Xszo Chem Co., Ltd.

1. 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

High Quality 99% 13134-31-1? pyrazine-2,3-diamine? Manufacturer

Cas:13134-31-1

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH 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

Pharmaceutical Grade CAS 13134-31-1 with competitive price

Cas:13134-31-1

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Hebei Sankai Chemical Technology Co., Ltd

1. 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

2,3-DiaminopyrazineCAS13134-31-1

Cas:13134-31-1

Min.Order:1 Kilogram

FOB Price: $10.0 / 20.0

Type:Trading Company

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Appearance: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

2,3-Diaminopyrazine;DK7554;SA017326;Nsc139902;

Cas:13134-31-1

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our 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

2,3-PYRAZINEDIAMINE

Cas:13134-31-1

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

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

2,3-Diaminopyrazine 13134-31-1

Cas:13134-31-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan 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

2,3-Diaminopyrazine

Cas:13134-31-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

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

2,3-diaminopyrazine

Cas:13134-31-1

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&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

2,3-Diaminopyrazine

Cas:13134-31-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Minstar Chemical Co., Ltd

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:

2,3-PYRAZINEDIAMINE

Cas:13134-31-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?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

2,3-diaminopyrazine

Cas:13134-31-1

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Hunan 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

2,3-Diaminopyrazine

Cas:13134-31-1

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Hangzhou Huarong Pharm Co., Ltd.

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

2,3-PYRAZINEDIAMINE

Cas:13134-31-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

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

2,3-diaminopyrazine

Cas:13134-31-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.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

2,3-diaminopyrazine

Cas:13134-31-1

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hangzhou Zhongqi chem Co.,Ltd.

Located 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

2,3-Diaminopyrazine

Cas:13134-31-1

Min.Order:0

Negotiable

Type:Other

inquiry

Golden Pharma Co., Limited

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

2,3-Diaminopyrazine

Cas:13134-31-1

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Bluecrystal chem-union

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

2,3-diaminopyrazine

Cas:13134-31-1

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Kono Chem Co.,Ltd

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

2,3-PYRAZINEDIAMINE

Cas:13134-31-1

Min.Order:0

Negotiable

Type:Other

inquiry

Wuxi TAA Chemical Industry Co.,LTD.

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

2,3-PYRAZINEDIAMINE CAS 13134-31-1

Cas:13134-31-1

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Dingyan Chem Co., Ltd

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

2,3-DiaMinopyrazine

Cas:13134-31-1

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier

2,3-Diaminopyrazine

Cas:13134-31-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hefei TNJ chemical industry co.,ltd

Name: 2,3-PYRAZINEDIAMINE CAS: 13134-31-1 Molecular Formula: C4H6N4 Molecular Weight: 110.117 Application:Fine chemical

2,3-PYRAZINEDIAMINE CAS 13134-31-1

Cas:13134-31-1

Min.Order:0 Metric Ton

Negotiable

Type:Trading Company

inquiry

Henan Allgreen Chemical Co.,Ltd

high 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

1-(2,4-DICHLOROPHENYL)-2-(1H-IMIDAZOLE-1-YL) ETHANONE

Cas:13134-31-1

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Antimex Chemical Limied

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

2,3-PYRAZINEDIAMINE

Cas:13134-31-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

2,3-Diaminopyrazine Application:Organic Chemicals

13134-31-1

Cas:13134-31-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Guangdong Juda Chemical Industrial Co.,Limited

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

2,3-PYRAZINEDIAMINE CAS No.13134-31-1

Cas:13134-31-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

HANGZHOU TIANYE CHEMICALS CO., LTD.

"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

2,3-Diaminopyrazine

Cas:13134-31-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

BOC Sciences

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

Pyrazine-2,3-diamine

Cas:13134-31-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

2-amino-3-azidopyrazine
156331-25-8

2-amino-3-azidopyrazine

pyrazine-2,3-diamine
13134-31-1

pyrazine-2,3-diamine

Conditions
ConditionsYield
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
51097-07-5

[1,2,5]thiadiazolo[3,4-b]pyrazine

pyrazine-2,3-diamine
13134-31-1

pyrazine-2,3-diamine

Conditions
ConditionsYield
With hydrogenchloride; tin(ll) chloride for 1h; Ambient temperature;83%
3-chloropyrazin-2-amine
6863-73-6

3-chloropyrazin-2-amine

pyrazine-2,3-diamine
13134-31-1

pyrazine-2,3-diamine

Conditions
ConditionsYield
With ammonia In water at 130℃; Sealed tube;11%
With ammonia; water; copper
3-bromo-pyrazine-2-amine
21943-12-4

3-bromo-pyrazine-2-amine

pyrazine-2,3-diamine
13134-31-1

pyrazine-2,3-diamine

Conditions
ConditionsYield
With ammonia; copper In ethanol at 140℃; for 20h;2.05 g
2,3-diamino-5-bromopyrazine
89123-58-0

2,3-diamino-5-bromopyrazine

pyrazine-2,3-diamine
13134-31-1

pyrazine-2,3-diamine

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrogen In ethanol under 2068.65 Torr; for 8h;
pyrazine-2,3-diamine
13134-31-1

pyrazine-2,3-diamine

2,3-dihydroxyanthracene
64817-81-8

2,3-dihydroxyanthracene

5,14-dihydro-1,4,5,14-tetraazapentacene
1356380-51-2

5,14-dihydro-1,4,5,14-tetraazapentacene

Conditions
ConditionsYield
at 205 - 215℃; for 3h; Inert atmosphere;98%
pyrazine-2,3-diamine
13134-31-1

pyrazine-2,3-diamine

1,1'-carbonyldiimidazole
530-62-1

1,1'-carbonyldiimidazole

1H-imidazo<4,5-b>pyrazin-2(3H)-one
16328-63-5

1H-imidazo<4,5-b>pyrazin-2(3H)-one

Conditions
ConditionsYield
In tetrahydrofuran at 80℃; for 4h; Inert atmosphere;92%
pyrazine-2,3-diamine
13134-31-1

pyrazine-2,3-diamine

bis[dichloro(pentamethylcyclopentadienyl)iridium(III)]
12354-84-6, 12354-85-7

bis[dichloro(pentamethylcyclopentadienyl)iridium(III)]

potassium oxalate monohydrate
6487-48-5

potassium oxalate monohydrate

C34H49Cl4Ir3N4

C34H49Cl4Ir3N4

Conditions
ConditionsYield
In methanol at 20℃; for 3h;85%
pyrazine-2,3-diamine
13134-31-1

pyrazine-2,3-diamine

C22H15NO2

C22H15NO2

C26H17N5

C26H17N5

Conditions
ConditionsYield
With acetic acid Reflux;82%
pyrazine-2,3-diamine
13134-31-1

pyrazine-2,3-diamine

urea
57-13-6

urea

1H-Imidazo<4,5-b>pyrazin-2-ol
16328-63-5

1H-Imidazo<4,5-b>pyrazin-2-ol

Conditions
ConditionsYield
In diphenylether at 240℃; for 5h;57%
pyrazine-2,3-diamine
13134-31-1

pyrazine-2,3-diamine

1,2-Cyclohexanediol
931-17-9

1,2-Cyclohexanediol

1,2,3,4,6,7,8,9-octahydropyrazino[2,3-b]quinoxaline

1,2,3,4,6,7,8,9-octahydropyrazino[2,3-b]quinoxaline

Conditions
ConditionsYield
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
13134-31-1

pyrazine-2,3-diamine

trifluoroacetic acid
76-05-1

trifluoroacetic acid

2-(trifluoromethyl)-1H-imidazo[4.5-b]pyrazine
58885-00-0

2-(trifluoromethyl)-1H-imidazo[4.5-b]pyrazine

Conditions
ConditionsYield
at 120℃; for 16h;54%
pyrazine-2,3-diamine
13134-31-1

pyrazine-2,3-diamine

2-methoxy-4-(methylsulfanyl)benzoic acid
72856-73-6

2-methoxy-4-(methylsulfanyl)benzoic acid

2-(2-methoxy-4-methylthiophenyl)-1H-imidazo<4,5-b>pyrazine
99454-75-8

2-(2-methoxy-4-methylthiophenyl)-1H-imidazo<4,5-b>pyrazine

Conditions
ConditionsYield
With trichlorophosphate for 4h; Heating;45%
pyrazine-2,3-diamine
13134-31-1

pyrazine-2,3-diamine

6,7-diphenyl-1,2,3,4-tetrahydropyrazino[2,3-b]pyrazine

6,7-diphenyl-1,2,3,4-tetrahydropyrazino[2,3-b]pyrazine

Conditions
ConditionsYield
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
13134-31-1

pyrazine-2,3-diamine

ethyl 3-oxo-3-phenylpropionate
94-02-0

ethyl 3-oxo-3-phenylpropionate

ethyl 3-phenylpyrazino[2,3-b]pyrazine-2-carboxylate

ethyl 3-phenylpyrazino[2,3-b]pyrazine-2-carboxylate

Conditions
ConditionsYield
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
13134-31-1

pyrazine-2,3-diamine

2-(cyclopropanecarbonylamino)-3-(cyclopropylmethylcarbamoyl)-4,5,6,7-tetrahydrobenzothiophene-5-carboxylic acid

2-(cyclopropanecarbonylamino)-3-(cyclopropylmethylcarbamoyl)-4,5,6,7-tetrahydrobenzothiophene-5-carboxylic acid

2-(cyclopropanecarbonylamino)-N-(cyclopropylmethyl)-5-(1H-imidazo[4,5-b]pyrazin-2-yl)-4,5,6,7-tetrahydrobenzothiophene-3-carboxamide

2-(cyclopropanecarbonylamino)-N-(cyclopropylmethyl)-5-(1H-imidazo[4,5-b]pyrazin-2-yl)-4,5,6,7-tetrahydrobenzothiophene-3-carboxamide

Conditions
ConditionsYield
With pyridine; triphenylphosphine at 220℃; for 1h; Microwave irradiation;26%
pyrazine-2,3-diamine
13134-31-1

pyrazine-2,3-diamine

9,10-bis((triisopropylsilyl)ethynyl)anthracene-2,3-diol
1356380-54-5

9,10-bis((triisopropylsilyl)ethynyl)anthracene-2,3-diol

7,12-bis((triisopropylsilyl)ethynyl)-5,14-dihydro-1,4,5,14-tetraazapentacene
1356380-52-3

7,12-bis((triisopropylsilyl)ethynyl)-5,14-dihydro-1,4,5,14-tetraazapentacene

Conditions
ConditionsYield
at 205 - 215℃; for 0.5h; Inert atmosphere;25%
pyrazine-2,3-diamine
13134-31-1

pyrazine-2,3-diamine

3-carbomethoxyphenyl isothiocyanate
3125-66-4

3-carbomethoxyphenyl isothiocyanate

methyl 3-(1H-imidazo[4,5-b]pyrazin-2-ylamino)benzoate

methyl 3-(1H-imidazo[4,5-b]pyrazin-2-ylamino)benzoate

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 100℃; for 2h;5%
pyrazine-2,3-diamine
13134-31-1

pyrazine-2,3-diamine

ethoxy-1 formyl-2 butene-1
30989-75-4

ethoxy-1 formyl-2 butene-1

5,14-dihydro-7,16-diethyldipyrazo<1,4,8,11>tetraazacyclotetradecine
120757-21-3

5,14-dihydro-7,16-diethyldipyrazo<1,4,8,11>tetraazacyclotetradecine

Conditions
ConditionsYield
In N,N-dimethyl-formamide for 4h; Heating;3%
pyrazine-2,3-diamine
13134-31-1

pyrazine-2,3-diamine

glycolic Acid
79-14-1

glycolic Acid

(1H-imidazo[4,5-b]pyrazin-2-yl)-methanol
55635-81-9

(1H-imidazo[4,5-b]pyrazin-2-yl)-methanol

Conditions
ConditionsYield
at 140 - 150℃;

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