1-Methyl-1H-indazole-5-carbaldehyde

Base Information

• Chemical Name: 1-Methyl-1H-indazole-5-carbaldehyde
• CAS No.: 872607-89-1
• Molecular Formula: C9H8 N2 O
• Molecular Weight: 160.175
• Hs Code.: 2933990090
• Mol file: 872607-89-1.mol

Synonyms:1-mehyl-1H-indazole-5-carbaldehyde;1-methyl-1H-indazole-5-carbaldehyde;1-Methyl-1H-indazole-5-carboxaldehyde;5-Formyl-1-methyl-1H-indazole;

Chemical Property of 1-Methyl-1H-indazole-5-carbaldehyde

Chemical Property:

• Vapor Pressure: 0.000549mmHg at 25°C
• Boiling Point: 311.8oC at 760 mmHg
• PKA: 0.47±0.30(Predicted)
• Flash Point: 142.4oC
• PSA: 34.89000
• Density: 1.21g/cm3
• LogP: 1.38580
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C

Purity/Quality:

99%, ^*data from raw suppliers

1-Methyl-1H-indazole-5-carbaldehyde ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1-Methyl-1H-indazole-5-carbaldehyde

There total 6 articles about 1-Methyl-1H-indazole-5-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: 95.0%

1-methyl-1H-indazole-5-carbonitrile (189107-45-7) → 1-methyl-1H-indazole-5-carboxaldehyde (872607-89-1,1209268-02-9)

Guidance literature:

1-methyl-1H-indazole-5-carbonitrile; With diisobutylaluminum chloride; In toluene; at -70 - -60 ℃; for 4.33333h;

With acetic acid; In toluene;

Reference yield: 80.0%

5-bromo-1-methyl-1H-indazole (465529-57-1) + N,N-dimethyl-formamide (68-12-2,33513-42-7) → 1-methyl-1H-indazole-5-carboxaldehyde (872607-89-1,1209268-02-9)

Guidance literature:

5-bromo-1-methyl-1H-indazole; With n-butyllithium; butyl magnesium bromide; In tetrahydrofuran; hexanes; toluene; at -30 - 10 ℃; for 2h;

N,N-dimethyl-formamide; In tetrahydrofuran; hexanes; toluene; at -10 ℃; for 1h;

With hydrogenchloride; sodium hydrogencarbonate; more than 3 stages;

Reference yield: 38.0%

1H-indazole-5-carbaldehyde (253801-04-6) + methyl iodide (74-88-4) → 1-methyl-1H-indazole-5-carboxaldehyde (872607-89-1,1209268-02-9) + 2-methyl-2H-indazole-5-carbaldehyde

Guidance literature:

1H-indazole-5-carbaldehyde; With sodium hydride; In N,N-dimethyl-formamide; at 20 ℃; for 0.5h;

methyl iodide; In N,N-dimethyl-formamide; at 20 ℃; for 0.5h;

upstream raw materials:

1-methyl-1H-indazole-5-carbonitrile

5-bromo-1-methyl-1H-indazole

N,N-dimethyl-formamide

5-bromo-2-fluorobenzaldehyde

Downstream raw materials:

(E)-N-(3,4-dichlorophenyl)-1-(1-methyl-1H-indazol-5-yl)methanimine

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