Specification: In-house; CP; Certification: China NMPA GMP; ISO Appearance:White Powder Storage:Kept in a well-closed container Package:25kg/drum, full-paper drum Application:Antituberculosis medication Transportation:Kept in a well-closed conta
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:98-96-4
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryPyrazinamide Quick Details Chemical Name: Pyrazinamide CAS No.: 98-96-4 Molecular Fomula:C5H5N3O Chemical Structure:C5H5N3O Molecular weight: 123.11 Appearance: white powder Assay:99% Tests
Cas:98-96-4
Min.Order:1 Kilogram
Negotiable
Type:Other
inquiryOur Advantage Unique advantages for Pyrazinamide CAS 98-96-4 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White powder Storage:Normal temperature preservation
Cas:98-96-4
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryhe 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 se T rvice Appeara
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
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
Cas:98-96-4
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryADVANTAGE: 1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day 2. The products are provided with COA, HPLC, NMR, quality assurance,
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
Name:Pyrazinamide CAS NO: 98-96-4 Grade:Medical scientific research and export Molecular formula:C5H5N3O Molecular weight:123.11 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data sto
Cas:98-96-4
Min.Order:25 Kilogram
FOB Price: $1.0 / 2.0
Type:Other
inquiryStock products, own laboratory Appearance:Transparent to grayish white crystalline powder Storage:2-8°C Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:shanghai
Cas:98-96-4
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryProduct Name: Pyrazinamide Synonyms: LABOTEST-BB LT00233122;2-PYRAZINECARBOXAMIDE;AKOS NCG1-0042;PYRAZINECARBOXAMIDE;PYRAZINOIC ACID AMIDE;PYRAZINE-2-CARBOXAMIDE;PYRAZINE-2-CARBOXYLIC ACID AMIDE;PYRAZINAMIDE CAS: 98-96-4 MF: C5H5N3O MW: 123.1
Cas:98-96-4
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
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
Cas:98-96-4
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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
1. 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:98-96-4
Min.Order:1 Kilogram
FOB Price: $7.0 / 10.0
Type:Trading Company
inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
Cas:98-96-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryName: Pyrazinamide Synonyms: Pyrazinecarboxamide; 2-? Pyrazinecarboxamide CAS: 98-96-4 MF: C5H5N3O Appearance:White powder Storage: RT. Package:25kg/drum Application:APIs Transportation:By sea or by air Port:Qingdao Port
Appearance:White powder Storage:2-8°C Package:25kg/drum Application:It is a kind of anti-tuberculosis drugs. Transportation:Express/Sea/Air Port:any port in china
Cas:98-96-4
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Lab/Research institutions
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:98-96-4
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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 presen
Cas:98-96-4
Min.Order:1 Kilogram
FOB Price: $203.0 / 220.0
Type:Trading Company
inquiryPyrazinamide CAS:98-96-4 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 intermediates,
Cas:98-96-4
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
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
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
Cas:98-96-4
Min.Order:1 Gram
FOB Price: $1.0 / 100000.0
Type:Lab/Research institutions
inquiryOur 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-
Cas:98-96-4
Min.Order:50 Gram
Negotiable
Type:Lab/Research institutions
inquiryHangzhou 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
Hubei Yuanmeng Biological Technology Co., Ltd., which is located in Wuhan, China. We are specializing in the exportation of APIs, and plant extracts ect. Our products has been exported to America, Australia, Brazil, the Europe, Middle East and other
Cas:98-96-4
Min.Order:1 Kilogram
FOB Price: $12.0 / 15.0
Type:Trading Company
inquiryName Pyrazinamide Synonyms Pyrazinecarboxamide Molecular Structure Molecular Formula C5H5N
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
(1H-benzo[d][1,2,3]triazol-1-yl)(pyrazin-2-yl)methanone
pyrazinamide
Conditions | Yield |
---|---|
With ammonium hydroxide In tetrahydrofuran; ethanol at 20℃; for 4h; | 100% |
2-pyrazine carbonitrile
pyrazinamide
Conditions | Yield |
---|---|
With manganese(IV) oxide; silica gel In chlorobenzene for 5h; Heating; | 100% |
With manganese(IV) oxide; water In isopropyl alcohol at 98℃; under 5171.62 Torr; for 0.0333333h; Catalytic behavior; Temperature; | 99% |
With C34H38N6NiO2(2+)*2Cl(1-); water In isopropyl alcohol at 70℃; for 6h; Schlenk technique; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
With ammonium hydroxide; air; V2O5#dotMoO3 at 390℃; | 95.2% |
Stage #1: 2-Methylpyrazine With dihydrogen peroxide; iron(II) chloride at 30 - 50℃; for 4h; Stage #2: With ammonia at 50℃; for 7h; Reagent/catalyst; | 95% |
Conditions | Yield |
---|---|
With ammonium hydroxide In water at 20℃; for 12h; | 95% |
With ammonium cerium(IV) nitrate; urea for 0.0166667h; microwave irradiation; | 90% |
Stage #1: 2-pyrazylcarboxylic acid With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 0 - 25℃; for 1.5h; Inert atmosphere; Stage #2: With ammonium hydroxide In tetrahydrofuran at 0 - 25℃; for 0.166667h; Inert atmosphere; | 75% |
Conditions | Yield |
---|---|
With dipotassium peroxodisulfate at 70℃; for 12h; | 86% |
With sulfuric acid; dihydrogen peroxide; iron(II) sulfate at 60℃; for 4h; | 96 % Turnov. |
With N-hydroxyphthalimide; ammonium cerium(IV) nitrate; trifluoroacetic acid at 70℃; for 6h; |
Conditions | Yield |
---|---|
With ammonium hydroxide; air; antimony(III) trioxide; titanium(IV) oxide; molybdenum(VI) oxide at 440℃; Oxidation; ammonolysis; demethylation; | A 5% B 86% |
2,5-dimethyl-pyrazine
A
1,4-pyrazine
B
2-Methylpyrazine
C
pyrazinamide
D
2,5-pyrazinedicarboxamide
Conditions | Yield |
---|---|
With ammonium hydroxide; air; antimony(III) trioxide; titanium(IV) oxide; molybdenum(VI) oxide at 420℃; Oxidation; ammonolysis; demethylation; Further byproducts given; | A 10% B 2% C 76% D 6% |
With ammonium hydroxide; air; antimony(III) trioxide; titanium(IV) oxide; molybdenum(VI) oxide at 400℃; Product distribution; Further Variations:; Catalysts; Temperatures; Oxidation; ammonolysis; demethylation; | A 10% B 15% C 33% D 5% |
With ammonium hydroxide; air; antimony(III) trioxide; titanium(IV) oxide; molybdenum(VI) oxide at 380℃; Oxidation; ammonolysis; demethylation; Further byproducts given; | A 5% B 28% C 21% D 5% |
2-bromopyrazine
dicobalt octacarbonyl
pyrazinamide
Conditions | Yield |
---|---|
With 1H-imidazole; 1,1'-bis-(diphenylphosphino)ferrocene; palladium diacetate; ammonium chloride; N-ethyl-N,N-diisopropylamine In 1,4-dioxane at 90℃; for 3h; Sealed tube; | 74% |
2-pyrazine carbonitrile
ethanol
A
pyrazinamide
B
ethyl pyrazine-2-carbimidate hydrochloride
C
ethyl 2-pyrazinecarboxylate
Conditions | Yield |
---|---|
With hydrogenchloride Cooling with ice; | A 30% B 65% C 5% |
2,5-dimethyl-pyrazine
A
1,4-pyrazine
B
pyrazinamide
C
5‐methylpyrazine-2-carboxamide
D
2,5-pyrazinedicarboxamide
Conditions | Yield |
---|---|
With ammonium hydroxide; air; antimony(III) trioxide; titanium(IV) oxide; molybdenum(VI) oxide at 400℃; Oxidation; ammonolysis; demethylation; | A 2% B 5% C 32% D 51% |
Conditions | Yield |
---|---|
at 200 - 210℃; for 1h; Product distribution; | 29% |
at 200 - 210℃; for 1h; | 29% |
Conditions | Yield |
---|---|
With potassium peroxomonosulphate In sulfuric acid for 16h; Ambient temperature; | A 8% B 18% |
Conditions | Yield |
---|---|
With methanol; ammonia | |
With ammonia In methanol |
3-amidecarbonylpyrazine-2-carboxylic acid
pyrazinamide
N-benzenesulfonyl-N'-pyrazinecarbonyl-hydrazine
ethylene glycol
A
2-pyrazylcarboxylic acid
B
pyrazinamide
C
N,N'-bis-(pyrazine-2-carbonyl)-hydrazine
D
diphenyldisulfane
Conditions | Yield |
---|---|
at 160℃; |
2-ethylpyrazine
pyrazinamide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: potassium permanganate / H2O / 20 °C 2: HCl 3: ammonia / methanol View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 3: methanol; NH3 View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 210 °C / 3 - 4 Torr 2: HCl 3: methanol; NH3 View Scheme |
3-[(methyloxy)carbonyl]-2-pyrazinecarboxylic acid
pyrazinamide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 2: methanol; NH3 View Scheme |
2-Methylpyrazine
A
1,4-pyrazine
B
2-pyrazine carbonitrile
C
pyrazinamide
Conditions | Yield |
---|---|
With La doped V2O5 Gas phase; | A n/a B 86 %Chromat. C n/a |
pyrazinoyl chloride
pyrazinamide
Conditions | Yield |
---|---|
With ammonium hydroxide In tetrahydrofuran at 20℃; for 2h; |
Conditions | Yield |
---|---|
In water at 20℃; | 99.5% |
pyrazinamide
Ir(C5H4NC6H2F2)2C4H3N2CONH
Conditions | Yield |
---|---|
With Na2CO3 In not given Ir-complex reacted with ligand in the presence of Na2CO3; | 99% |
Conditions | Yield |
---|---|
In water at 20℃; | 98.6% |
Conditions | Yield |
---|---|
In dimethyl sulfoxide at 50℃; for 24h; | 98% |
Conditions | Yield |
---|---|
With nanosized zeolite beta In neat (no solvent) at 135℃; for 24h; | 96% |
pyrazinamide
2-aminocarbonylpiperazine
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In ethanol; water at 100℃; Pressure; Temperature; Solvent; Time; | 95% |
With hydrogen; palladium on activated charcoal In ethanol at 85℃; under 15001.2 Torr; for 5h; | 82.2% |
With hydrogen; palladium dihydroxide In ethanol; water at 50℃; under 2585.7 Torr; for 2h; | 64% |
With palladium on activated charcoal; ethanol Hydrogenation; |
Conditions | Yield |
---|---|
With Fe3+ exchanged montmorillonite K-10 In neat (no solvent) at 140℃; for 30h; Inert atmosphere; | 95% |
With cerium(IV) oxide at 160℃; for 33h; Neat (no solvent); Inert atmosphere; | 87 %Chromat. |
pyrazinamide
tri-O-(tert-butyldimethylsilyl)-D-glucal
N-[3,4,6-tris(O-tert-butyldimethylsilyl)-2-deoxy-2-iodo-α-D-mannopyranosyl]pyrazincarboxamide
Conditions | Yield |
---|---|
With N-iodo-succinimide In propiononitrile at 45℃; for 2h; Inert atmosphere; Molecular sieve; Darkness; stereoselective reaction; | 93% |
2-chloropyrido[3,2-d]pyrimidine
pyrazinamide
N-(pyrido[3,2-d]pyrimidin-2-yl)pyrazine-2-carboxamide
Conditions | Yield |
---|---|
With palladium diacetate; potassium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In 1,4-dioxane for 0.333333h; Inert atmosphere; Reflux; | 92% |
Conditions | Yield |
---|---|
In methanol at 20℃; for 168h; | 92% |
Conditions | Yield |
---|---|
In methanol at 20℃; for 168h; | 91% |
Conditions | Yield |
---|---|
In water; acetonitrile solid Na(sac)*2H2O mixed with 1 equiv. of AgNO3 in H2O, pptd., dissolvedin CH3CN, treated with 1 equiv. of pyrazine-2-carboxamide, stirred at 5 0°C for 45 min; crystd. at room temp., elem. anal.; | 90% |
Conditions | Yield |
---|---|
In methanol at 20℃; for 168h; | 87% |
Conditions | Yield |
---|---|
In water at -5 - 100℃; | 85.37% |
pyrazinamide
2-pyrazine carbonitrile
Conditions | Yield |
---|---|
With trichlorophosphate at 100℃; for 1.5h; | 85% |
at 325℃; for 1h; Temperature; | 85% |
With ethyl phosphodichloridite; 1,8-diazabicyclo[5.4.0]undec-7-ene In dichloromethane at 20℃; for 3h; | 73% |
pyrazinamide
tri-O-(tert-butyldimethylsilyl)-D-glucal
Conditions | Yield |
---|---|
With N-iodo-succinimide In N,N-dimethyl-formamide | 85% |
Conditions | Yield |
---|---|
In ethanol for 0.0333333h; Mannich reaction; microwave irradiation; | 85% |
pyrazinamide
sodium perchlorate monohydrate
{CoCl2(tris(2-aminoethyl)amine)}Cl
water
Conditions | Yield |
---|---|
With LiOH In methanol; water aq/ soln. of Co compd. treated with LiOH (pH 7.5), ligand in MeOH added,heated at 60°C for 5 h, aq. soln. of excess NaClO4 added; crystd. on storage at room temp. for several d, elem. anal.; | 85% |
Conditions | Yield |
---|---|
In ethanol | 85% |
pyrazinamide
Pyridine-2,6-dicarboxylic acid
water
copper(II) acetate monohydrate
Conditions | Yield |
---|---|
Stage #1: pyrazinamide; water; copper(II) acetate monohydrate at 20℃; for 0.5h; Stage #2: Pyridine-2,6-dicarboxylic acid Heating; | 85% |
pyrazinamide
1,4-dioxopyrazinamide
Conditions | Yield |
---|---|
With acetic acid; 3-chloro-benzenecarboperoxoic acid In ethyl acetate at 0 - 20℃; for 24h; Temperature; Reagent/catalyst; | 84.37% |
Conditions | Yield |
---|---|
Stage #1: pyrazinamide; zinc(II) nitrate hexahydrate In water for 0.166667h; Stage #2: sodium dicyanamide In water for 0.5h; | 84% |
pyrazinamide
trans-chlorobis(dimethylglyoximato)(pyrazine-2-carboxamide-κN(4))cobalt(III)
Conditions | Yield |
---|---|
In methanol soln. of pyrazinecarboxamide in MeOH added to warm soln. of Co complex in MeOH/H2O (1/1), soln. slowly cooled to room temp.; crystals isolated; elem. anal.; | 83% |
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