4-ethyl-1H-pyrazole

Base Information

• Chemical Name: 4-ethyl-1H-pyrazole
• CAS No.: 17072-38-7
• Molecular Formula: C5H8N2
• Molecular Weight: 96.1319
• Hs Code.: 2933199090
• European Community (EC) Number: 801-782-3
• DSSTox Substance ID: DTXSID00513322
• Nikkaji Number: J1.980.826B
• Wikidata: Q82373079
• Mol file: 17072-38-7.mol

Synonyms:4-ethyl-1H-pyrazole;17072-38-7;4-ethylpyrazole;MFCD18449289;DTXSID00513322;IHNXHUNMFYXQCG-UHFFFAOYSA-N;4-Ethyl-1H-pyrazole, AldrichCPR;AKOS006282291;AM803320;LS-05906;SY086657;CS-0208841;EN300-71365;Z1139192482

Chemical Property of 4-ethyl-1H-pyrazole

Chemical Property:

• Boiling Point: 122 °C(Press: 16 Torr)
• PKA: 14.84±0.50(Predicted)
• PSA: 28.68000
• Density: 0.9862 g/cm3
• LogP: 0.97210
• XLogP3: 1.3
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 1
• Exact Mass: 96.068748264
• Heavy Atom Count: 7
• Complexity: 54

Purity/Quality:

97% ^*data from raw suppliers

4-Ethyl-1H-pyrazole ^*data from reagent suppliers

Safty Information:

• Hazard Codes: Xn
• Statements: 22

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCC1=CNN=C1

Technology Process of 4-ethyl-1H-pyrazole

There total 5 articles about 4-ethyl-1H-pyrazole 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%

4-ethynyl-1H-pyrazole (57121-49-0) → 4-ethyl-1H-pyrazole (17072-38-7)

Guidance literature:

With palladium 10% on activated carbon; hydrogen; In ethanol;

Reference yield:

4-((trimethylsilyl)ethynyl)-1Η-pyrazole (900164-93-4) → 4-ethyl-1H-pyrazole (17072-38-7)

Guidance literature:

With hydrogen; palladium 10% on activated carbon; at 20 ℃; under 750.075 Torr;

Reference yield:

3-ethoxy-2-ethyl-prop-2-enal (342909-67-5) → 4-ethyl-1H-pyrazole (17072-38-7)

Guidance literature:

With hydrazine hydrochloride; In methanol; water; for 1h; Heating;

DOI:10.1039/b307306h

upstream raw materials:

3-ethoxy-2-ethyl-prop-2-enal

3-(dimethylamino)-2-ethyl-prop-2-enal

4-ethynyl-1H-pyrazole

4-((trimethylsilyl)ethynyl)-1Η-pyrazole

Downstream raw materials:

C₂₉H₂₈ClN₇