5-Methylpyrazine-2-carbaldehyde

Base Information

• Chemical Name: 5-Methylpyrazine-2-carbaldehyde
• CAS No.: 50866-30-3
• Molecular Formula: C6H6N2O
• Molecular Weight: 122.126
• Hs Code.: 2933990090
• European Community (EC) Number: 695-971-6
• DSSTox Substance ID: DTXSID60545285
• Wikidata: Q72496243
• Mol file: 50866-30-3.mol

Synonyms:5-METHYLPYRAZINE-2-CARBALDEHYDE;50866-30-3;5-METHYL-2-PYRAZINECARBALDEHYDE;5-Methyl-pyrazine-2-carbaldehyde;5-Methylpyrazine-2-carboxaldehyde;Pyrazinecarboxaldehyde, 5-methyl-;5-methyl-2-formylpyrazine;5-methylpyrazine-2-aldehyde;SCHEMBL1206325;DTXSID60545285;JUPFEWGPEBACJP-UHFFFAOYSA-N;AMY15960;MFCD10697792;AKOS012321434;CS-W006037;PB23818;PS-4985;A7535;EN300-101690;J-517820;F9995-2603;Z1079442402

Chemical Property of 5-Methylpyrazine-2-carbaldehyde

Chemical Property:

• Vapor Pressure: 0.265mmHg at 25°C
• Melting Point: 10-15 °C
• Refractive Index: 1.568
• Boiling Point: 204.3 °C at 760 mmHg
• PKA: 0.54±0.10(Predicted)
• Flash Point: 78.7 °C
• PSA: 42.85000
• Density: 1.176 g/cm³
• LogP: 0.59750
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C
• XLogP3: -0.1
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 1
• Exact Mass: 122.048012819
• Heavy Atom Count: 9
• Complexity: 105

Purity/Quality:

99%, ^*data from raw suppliers

5-Methylpyrazine-2-carbaldehyde ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=CN=C(C=N1)C=O

Technology Process of 5-Methylpyrazine-2-carbaldehyde

There total 5 articles about 5-Methylpyrazine-2-carbaldehyde which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 78.0%

5-methylpyrazine-2-carboxylic acid methyl ester (41110-33-2) → 5-methyl-2-pyrazinecarboxaldehyde (50866-30-3)

Guidance literature:

With diisobutylaluminium hydride; In tetrahydrofuran; dichloromethane; at -78 ℃; for 6h; Inert atmosphere;

DOI:10.3762/bjoc.16.59

Reference yield: 21.0%

2,5-dimethyl-pyrazine (123-32-0) → 2,5-pyrazine-dicarboxaldehyde (77666-94-5) + 5-methyl-2-pyrazinecarboxaldehyde (50866-30-3) + pyrazinecarboxaldehyde (5780-66-5)

Guidance literature:

With air; vanadia; molybdenum(VI) oxide; In water; for 2.77778E-05h; Product distribution; different ratio of V:Mo, different temperature, different time of contact;

DOI:10.1007/BF01175071

Reference yield:

2-methylpyrazin-5-carboxylic acid (5521-55-1) → 5-methyl-2-pyrazinecarboxaldehyde (50866-30-3)

Guidance literature:

2-methylpyrazin-5-carboxylic acid; With N,N-dimethylamino-pyridine; In methanol; at 20 ℃; for 3h;

With calcium chloride; In tetrahydrofuran; ethanol; at 0 ℃;

With sodium tetrahydroborate; manganese(IV) oxide; more than 3 stages;

upstream raw materials:

2,5-dimethyl-pyrazine

2-methylpyrazin-5-carboxylic acid

5-methylpyrazine-2-carboxylic acid methyl ester

Downstream raw materials:

5-methyl-N-phenylpyrazine-2-carboxamide

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