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Hangzhou Maytime Bio-Tech Co.,Ltd.

Top Manufacturer of 2-pyrazinecarboxylic acid Appearance:A white or sight yellow crystalline powder Storage:store in well closed container Package:25kgs/drum Application:Bortezomib intermediate Port:any port in China

2-pyrazinecarboxylic acid CAS:98-97-5

Cas:98-97-5

Min.Order:0 Metric Ton

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Luyunjia Chemistry Xiamen Limited

Quick Details CAS No.: 98-97-5 Other Names: 2-Pyrazinecarboxylic acid Place of Origin: Zhejiang, China (Mainland) Type: Pharmaceutical Intermediates Purity: 99.0%min

98-97-5 2-Pyrazinecarboxylic acid

Cas:98-97-5

Min.Order:0 Metric Ton

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Dayang Chem (Hangzhou) Co.,Ltd.

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

2-Pyrazinecarboxylic acid Manufacturer/High quality/Best price/In stock

Cas:98-97-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality 2-Pyrazinecarboxylic Acid supplier in China

Cas:98-97-5

Min.Order:0 Metric Ton

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Wuhan Fortuna Chemical Co.,Ltd

High purity 2-Pyrazinecarboxylic acid CAS 98-97-5 Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed additives, Fine che

High purity 2-Pyrazinecarboxylic acid CAS 98-97-5

Cas:98-97-5

Min.Order:10 Kilogram

FOB Price: $10.0

Type:Trading Company

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Henan Allgreen Chemical Co.,Ltd

T he company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality service Appearan

2-Pyrazinecarboxylic acid

Cas:98-97-5

Min.Order:1 Kilogram

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Type:Manufacturers

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Ality Chemical Corporation

The 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

Factory Supply Pyrazine-2-carboxylic acid

Cas:98-97-5

Min.Order:1

Negotiable

Type:Other

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Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

Cangzhou 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

2-Pyrazinecarboxylic acid

Cas:98-97-5

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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Chemwill Asia Co., Ltd.

Our 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

Pyrazinoic acid

Cas:98-97-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 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

TIANFU-CHEM 98-97-5 2-Pyrazinecarboxylic acid

Cas:98-97-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

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

2-Pyrazinecarboxylic acid 98-97-5

Cas:98-97-5

Min.Order:1 Kilogram

FOB Price: $15.0 / 50.0

Type:Trading Company

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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

Top Purity CAS 98-97-5 with fast shipping

Cas:98-97-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Hangzhou Sartort Biopharma Co., Ltd

Appearance:White to off-white solid Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Any port in china

2-Pyrazinecarboxylic acid

Cas:98-97-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hubei Langyou International Trading Co., Ltd

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

2-Pyrazinecarboxylic Acid CAS:98-97-5

Cas:98-97-5

Min.Order:10 Gram

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Type:Other

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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-Pyrazinecarboxylic acid 98-97-5

Cas:98-97-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Shanghai Minstar Chemical Co., Ltd

Product Name: 2-Pyrazinecarboxylic acid Synonyms: 2-PYRAZINECARBOXYLIC ACID;AKOS BBS-00003784;Pyrazinecarboxylice acid;SodiumStearlyFumarate;Pyrazinecarboxylicacid,99%;1,4-Diazine-2-carboxylic acid;2-Pyrazinecarboxylic aci;1,4-Diazinecarboxylic

2-Pyrazinecarboxylic acid

Cas:98-97-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Baoji Guokang Healthchem co.,ltd

It can be used in colored uv curable plastic coatings. uv coatings have been widely used in plastic housings of various electronic and household electrical appliances due to their excellent performance and efficient production. Appearance:w

The best quality intermediates,2-Pyrazinecarboxylic acid,cas:98-97-5

Cas:98-97-5

Min.Order:1 Kilogram

FOB Price: $270.0 / 280.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

2-Pyrazinecarboxylic acidCAS:98-97-5 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 high quality organic int

2-Pyrazinecarboxylic acidCAS:98-97-5

Cas:98-97-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Shandong Hanjiang Chemical Co., Ltd.

Hello, 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

2-Pyrazinecarboxylic acid

Cas:98-97-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

CAS NO.:98-97-5

Cas:98-97-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Xiamen Hisunny Chemical Co.,Ltd

Best 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

2-Pyrazinecarboxylicacid

Cas:98-97-5

Min.Order:0

Negotiable

Type:Manufacturers

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Triumph International Development Limilted

Appearance:White to off-white Crystalline Powder Storage:Keep in dark place,Sealed in dry,Room Temperature Application:Labelled analogue of Pyrazinecarboxylic Acid, a very potent urate retaining drug. Pyrazinecarboxylic Acid is a metabolit

2-Pyrazinecarboxylic acid

Cas:98-97-5

Min.Order:25 Kilogram

Negotiable

Type:Lab/Research institutions

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Taizhou Crene Biotechnology co.ltd

Our company provides one-stop services of research - development - production for a variety of special prouducts. Not only do we make effective use of our strong technological strength, but also establish of cooperative relations with several well-

2-Pyrazinecarboxylic acid 98-97-5

Cas:98-97-5

Min.Order:5 Kilogram

Negotiable

Type:Lab/Research institutions

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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-pyrazinecarboxylic acid

Cas:98-97-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Afine Chemicals Limited

Our 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

2-PYRAZINECARBOXYLIC ACID

Cas:98-97-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

pyrazine-2-carboxylic acid

Cas:98-97-5

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo 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

2-pyrazinecarboxylic acid

Cas:98-97-5

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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Hangzhou Lingrui Chemical Co.,Ltd.

2-pyrazinecarboxylic acid Best supplier/Competive price/Professional manufactureAppearance:White to off-white crystalline powder Storage:Keep away of light, cool place Package:according to customers' requirements Application:Pharmaceutical intermedia

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:white powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:Used as Pharmaceutical Intermediate

2-Pyrazinecarboxylic acid

Cas:98-97-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

2-Pyrazinecarboxylic acid Manufacturer/High quality/Best price/In stock

Cas:98-97-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Synthetic route

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

2-pyrazylcarboxylic acid
98-97-5

2-pyrazylcarboxylic acid

Conditions
ConditionsYield
With sulfuric acid; acetic acid for 2h; Heating;85%
at 210℃; under 3 - 4 Torr;
With water; toluene
With nitrobenzene
2-Methylpyrazine
109-08-0

2-Methylpyrazine

2-pyrazylcarboxylic acid
98-97-5

2-pyrazylcarboxylic acid

Conditions
ConditionsYield
With 18-crown-6 ether; potassium tert-butylate; oxygen In 1,2-dimethoxyethane at 60℃; under 3800 Torr; for 24h;64%
In water Ambient temperature; electrochemical oxidation on activated nickel hydroxide anode;60%
With selenium(IV) oxide In acetic acid for 0.0833333h; Heating; microwave;50%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

A

2-pyrazylcarboxylic acid
98-97-5

2-pyrazylcarboxylic acid

B

2-methylpyrazin-5-carboxylic acid
5521-55-1

2-methylpyrazin-5-carboxylic acid

C

2,5-pyrazinedicarboxylic acid
122-05-4

2,5-pyrazinedicarboxylic acid

Conditions
ConditionsYield
With cobalt(II) nitrate In water Ambient temperature; electrochemical oxidation on activated nickel hydroxide anode;A 2%
B 42%
C 3%
In water Ambient temperature; electrochemical oxidation on activated nickel hydroxide anode;A 12%
B 22%
C 5%
With chromium(III) nitrate In diethyl ether Product distribution; Ambient temperature; electrochemical oxidation; var. additives, var. reaction time vs. conversion;
2-ethylpyrazine
13925-00-3

2-ethylpyrazine

2-pyrazylcarboxylic acid
98-97-5

2-pyrazylcarboxylic acid

Conditions
ConditionsYield
With potassium permanganate
With potassium permanganate In water at 20℃;
pyrazine-2,3-dicarbonitrile
13481-25-9

pyrazine-2,3-dicarbonitrile

2-pyrazylcarboxylic acid
98-97-5

2-pyrazylcarboxylic acid

Conditions
ConditionsYield
With hydrogenchloride
2,5-pyrazinedicarboxylic acid
122-05-4

2,5-pyrazinedicarboxylic acid

A

1,4-pyrazine
290-37-9

1,4-pyrazine

B

2-pyrazylcarboxylic acid
98-97-5

2-pyrazylcarboxylic acid

C

methylammonium carbonate
15719-64-9, 15719-76-3, 97762-63-5

methylammonium carbonate

Conditions
ConditionsYield
at 282℃;
2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

A

1,4-pyrazine
290-37-9

1,4-pyrazine

B

2-pyrazylcarboxylic acid
98-97-5

2-pyrazylcarboxylic acid

Conditions
ConditionsYield
Destillation im Vakuum;
bei der Destillation im Vakuum;
diethyl pyrazine-2,5-dicarboxylate
103150-78-3

diethyl pyrazine-2,5-dicarboxylate

A

1,4-pyrazine
290-37-9

1,4-pyrazine

B

2-pyrazylcarboxylic acid
98-97-5

2-pyrazylcarboxylic acid

Conditions
ConditionsYield
rasche Destillation;
ethyl 2-pyrazinecarboxylate
6924-68-1

ethyl 2-pyrazinecarboxylate

2-pyrazylcarboxylic acid
98-97-5

2-pyrazylcarboxylic acid

Conditions
ConditionsYield
With alkaline H2O In dimethyl sulfoxide at 30℃; Rate constant; other solvent (EtOH); variation of water concentrations;
2-Methylpyrazine
109-08-0

2-Methylpyrazine

aqueous permanganate solution

aqueous permanganate solution

2-pyrazylcarboxylic acid
98-97-5

2-pyrazylcarboxylic acid

monopotassium-salt of/the/ pyrazine-2,3-dicarboxylic acid

monopotassium-salt of/the/ pyrazine-2,3-dicarboxylic acid

2-pyrazylcarboxylic acid
98-97-5

2-pyrazylcarboxylic acid

Conditions
ConditionsYield
With diethylene glycol
N-benzenesulfonyl-N'-pyrazinecarbonyl-hydrazine
34569-20-5

N-benzenesulfonyl-N'-pyrazinecarbonyl-hydrazine

ethylene glycol
107-21-1

ethylene glycol

Na2CO3

Na2CO3

A

2-pyrazylcarboxylic acid
98-97-5

2-pyrazylcarboxylic acid

B

pyrazinamide
98-96-4

pyrazinamide

C

N,N'-bis-(pyrazine-2-carbonyl)-hydrazine
54571-25-4

N,N'-bis-(pyrazine-2-carbonyl)-hydrazine

D

diphenyldisulfane
882-33-7

diphenyldisulfane

Conditions
ConditionsYield
at 160℃;
2-ethylpiperazine
13961-37-0

2-ethylpiperazine

2-pyrazylcarboxylic acid
98-97-5

2-pyrazylcarboxylic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: H2O; copper oxide-chromium oxide catalyst / 360 °C
2: KMnO4
View Scheme
2-Methylpyrazine
109-08-0

2-Methylpyrazine

A

2-methylpyrazine 4-oxide
25594-37-0

2-methylpyrazine 4-oxide

B

2-methylpyrazine 1-oxide
31396-35-7

2-methylpyrazine 1-oxide

C

2-pyrazylcarboxylic acid
98-97-5

2-pyrazylcarboxylic acid

D

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

E

pyrazine-2-carboxylic acid-4-oxide
874-54-4

pyrazine-2-carboxylic acid-4-oxide

F

pyrazine-2-carboxylic acid-1-oxide
32046-09-6

pyrazine-2-carboxylic acid-1-oxide

Conditions
ConditionsYield
With acetyl peroxyborate In water at 94.84℃; for 5h;A n/a
B n/a
C 56.3 mol %
D 4.5 mol %
E n/a
F n/a
With acetyl peroxyborate In water at 94.84℃; for 5h;A n/a
B n/a
C 28.5 mol %
D 41.2 mol %
E n/a
F n/a
2-Methylpyrazine
109-08-0

2-Methylpyrazine

A

2-methylpyrazine 4-oxide
25594-37-0

2-methylpyrazine 4-oxide

B

2-methylpyrazine 1-oxide
31396-35-7

2-methylpyrazine 1-oxide

C

2-pyrazylcarboxylic acid
98-97-5

2-pyrazylcarboxylic acid

D

pyrazine-2-carboxylic acid-4-oxide
874-54-4

pyrazine-2-carboxylic acid-4-oxide

E

pyrazine-2-carboxylic acid-1-oxide
32046-09-6

pyrazine-2-carboxylic acid-1-oxide

Conditions
ConditionsYield
With peroxyacetic acid In water; acetic acid at 94.84℃; for 5h;A n/a
B n/a
C 19.2 mol %
D n/a
E n/a
pyrazinamide
98-96-4

pyrazinamide

2-pyrazylcarboxylic acid
98-97-5

2-pyrazylcarboxylic acid

Conditions
ConditionsYield
With recombinant Acinetobacter baumanii pyrazinamidase/nicotinamidase; water at 30℃; Kinetics; Enzymatic reaction;
With potassium permanganate; sulfuric acid Kinetics; Mechanism; Thermodynamic data; Concentration;
With water In aq. phosphate buffer at 30℃; for 3h; pH=7; Time; Enzymatic reaction;
Alkaline conditions;
potassium pyrazinemonocarboxylate

potassium pyrazinemonocarboxylate

2-pyrazylcarboxylic acid
98-97-5

2-pyrazylcarboxylic acid

Conditions
ConditionsYield
With hydrogenchloride In water pH=2;
2-pyrazine carbonitrile
19847-12-2

2-pyrazine carbonitrile

2-pyrazylcarboxylic acid
98-97-5

2-pyrazylcarboxylic acid

Conditions
ConditionsYield
With sodium hydroxide for 6h; Reflux;
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