3-METHYL-1H-PYRAZOLE-4-CARBOXYLIC ACID

Base Information

• Chemical Name: 3-METHYL-1H-PYRAZOLE-4-CARBOXYLIC ACID
• CAS No.: 40704-11-8
• Molecular Formula: C5H6N2O2
• Molecular Weight: 126.115
• Hs Code.: 2933199090
• Mol file: 40704-11-8.mol

Synonyms:1H-3-Methylpyrazole-4-carboxylicacid;3-Methyl-1H-pyrazole-4-carboxylic acid;3-Methylpyrazole-4-carboxylicacid;

Chemical Property of 3-METHYL-1H-PYRAZOLE-4-CARBOXYLIC ACID

Chemical Property:

• Vapor Pressure: 1.37E-06mmHg at 25°C
• Melting Point: 225-230 °C (dec.)(lit.)
• Refractive Index: 1.595
• Boiling Point: 384.2 °C at 760 mmHg
• PKA: 14.56±0.50(Predicted)
• Flash Point: 186.1 °C
• PSA: 65.98000
• Density: 1.404 g/cm³
• LogP: 0.41630
• Storage Temp.: 2-8°C(protect from light)

Purity/Quality:

97% ^*data from raw suppliers

5-Methyl-1H-pyrazole-4-carboxylicacid 96% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi
• Hazard Codes: Xi

MSDS Files:

Useful:

• Uses: 3-Methyl-1h-pyrazole-4-carboxylic Acid is a reactant used in the characterization of MOFs with crystal vacancies introduced by removing quarter of metal ions and half of linkers.

Technology Process of 3-METHYL-1H-PYRAZOLE-4-CARBOXYLIC ACID

There total 10 articles about 3-METHYL-1H-PYRAZOLE-4-CARBOXYLIC ACID 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: 74.0%

ethyl 5-methyl-1H-pyrazole-4-carboxylate → 5-methyl-1H-pyrazole-4-carboxylic acid (40704-11-8)

Guidance literature:

ethyl 5-methyl-1H-pyrazole-4-carboxylate; With sodium hydroxide; In ethanol; water; at 80 ℃; for 4h;

With hydrogenchloride; In water;

Reference yield: 13.0%

allophanoyl-4 methyl-3 pyrazole (121902-74-7) → 3-methyl-1H-pyrazole-4-carboxylic acid (40704-11-8)

Guidance literature:

With hydrogenchloride; In water; for 24h; Heating;

Reference yield:

3-methyl-1H-pyrazole-4-carbaldehyde (112758-40-4) → 3-methyl-1H-pyrazole-4-carboxylic acid (40704-11-8)

Guidance literature:

With potassium permanganate; potassium hydroxide; In 1,4-dioxane; water; at 20 ℃; for 3h;

DOI:10.1016/j.ejmech.2020.112161

upstream raw materials:

diazomethane

citraconic acid dimethyl ester

mesaconic acid dimethyl ester

5-acetyluracil

Downstream raw materials:

ethyl 3-methylpyrazole-4-carboxylate

N-[(4R)-6-(4-chlorophenyl)-7-(2,4-dichlorophenyl)-2,2-dimethyl-3,4-dihydro-2H-pyrano[2,3-b]pyridine-4-yl]-3-methyl-1H-pyrazole-4-carboxamide

3-methyl-1H-pyrazole-4-carboxylic acid methyl ester

methyl 5-methyl-1-(phenylmethyl)-1H-pyrazole-4-carboxylate

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