4-Ethyl-1H-pyrazole
4-Ethyl-1H-pyrazole (CAS: 17072-38-7, C5H8N2) is a heterocyclic organic compound with a molecular weight of 96.13 g/mol. It functions as a versatile building block in chemical synthesis, particularly within the realm of pyrazole chemistry. Its structural features make it valuable for constructing more complex molecules in research and development settings.

Chemical Synthesis Intermediate
Utilised as a key intermediate in the synthesis of novel organic compounds. Its pyrazole core allows for diverse derivatisation and incorporation into larger molecular frameworks.
Heterocyclic Chemistry Research
Serves as a valuable reagent in academic and industrial research focused on heterocyclic chemistry. It enables the exploration of new pyrazole-based compounds with potential applications.
Building Block for Organic Materials
Can be employed as a foundational component in the development of new organic materials. The ethyl and pyrazole functionalities offer specific reactive sites for material design.
| Molecular weight | 96.13 |
|---|---|
| Empirical formula | C5H8N2 |

Hazard statements
- H302Harmful if swallowed
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 4-Ethyl-1H-pyrazole used for?
+
4-Ethyl-1H-pyrazole is primarily used as a building block and intermediate in chemical synthesis, particularly within heterocyclic and pyrazole chemistry research and development.
What is the CAS number and formula for 4-Ethyl-1H-pyrazole?
+
The CAS number is 17072-38-7 and the empirical formula is C5H8N2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 4-Ethyl-1H-pyrazole with a purity indicated by its molecular weight of 96.13. We do not represent this product as USP, BP, or EP grade.
How should 4-Ethyl-1H-pyrazole be handled safely?
+
4-Ethyl-1H-pyrazole is classified with the GHS symbol GHS07 and signal word Warning, bearing the hazard statement H302 (Harmful if swallowed). Handle with appropriate personal protective equipment to avoid ingestion and contact.
Is 4-Ethyl-1H-pyrazole a controlled substance?
+
The provided data does not indicate that 4-Ethyl-1H-pyrazole is a controlled substance.
How is 4-Ethyl-1H-pyrazole packed and exported?
+
4-Ethyl-1H-pyrazole is available for purchase and export from Tech Serve Solutions. Packaging details will be provided upon inquiry.
How can I request a sample or quote for 4-Ethyl-1H-pyrazole?
+
To request a sample or quote for 4-Ethyl-1H-pyrazole, please contact our sales team through the website or by phone.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis