Fluoropyrazine
Fluoropyrazine (CAS: 4949-13-7, C4H3FN2) is a heterocyclic organic compound with a molecular weight of 98.08 g/mol. As a fluorinated building block, it serves as a valuable intermediate in chemical synthesis. Its structure makes it suitable for incorporation into more complex molecules, particularly in the development of novel compounds within pharmaceutical and agrochemical research. Tech Serve Solutions supplies this chemical with an assay of 97%.
- IUPAC
- 2-Fluoropyrazine

Organic Synthesis Intermediate
Fluoropyrazine acts as a key building block in the synthesis of diverse organic molecules. Its pyrazine ring and fluorine atom offer unique reactivity for constructing complex chemical structures.
Pharmaceutical Research
The compound is utilised in the discovery and development of new pharmaceutical agents. Its fluorinated heterocyclic nature can impart specific pharmacokinetic or pharmacodynamic properties to drug candidates.
Agrochemical Development
Fluoropyrazine can be employed in the synthesis of novel agrochemicals. Its structure may contribute to the efficacy or selectivity of pesticides or herbicides.
| Molecular weight | 98.08 |
|---|---|
| Empirical formula | C4H3FN2 |
| Assay | 97% |
| Density | 1.213 g/mL at 25 °C |
| Refractive index | n20/D 1.469 |



Hazard statements
- H225Highly flammable liquid and vapour
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Flash point | 21 °C / 69.8 °F |
|---|---|
| Transport (UN / ADR) | UN 1993BF 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 10-22-37/38-41 |
| Safety statements (S) | 26-39 |
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 Fluoropyrazine used for?
+
Fluoropyrazine is primarily used as a building block and intermediate in organic synthesis, particularly for research and development in the pharmaceutical and agrochemical industries.
What are the CAS number and formula for Fluoropyrazine?
+
The CAS number for Fluoropyrazine is 4949-13-7, and its empirical formula is C4H3FN2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Fluoropyrazine with an assay of 97%. This is suitable for research and general chemical synthesis; it is not supplied as USP, BP, or EP grade.
How should Fluoropyrazine be handled safely?
+
Fluoropyrazine is a flammable liquid and vapour (H225) and is harmful if swallowed (H302), causes skin irritation (H315), and serious eye damage (H318), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area, keeping away from heat, sparks, and open flames.
How is Fluoropyrazine packed and exported?
+
Fluoropyrazine is typically packed in accordance with UN 1993 BF 3 / PGII regulations for safe transport. TSS exports chemicals globally, adhering to all necessary shipping and customs requirements.
How can I request a sample or quote for Fluoropyrazine?
+
To request a sample or a quote for Fluoropyrazine, please contact the Tech Serve Solutions sales team through our 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