2-Phenyl-1,2,3,4-tetrahydroquinoxaline
2-Phenyl-1,2,3,4-tetrahydroquinoxaline (CAS 5021-47-6) is a nitrogen-containing organic compound with the molecular formula C14H14N2 and a molecular weight of 210.27. This tetrahydroquinoxaline derivative functions as a valuable building block in chemical synthesis. It is primarily utilised in research and development settings for the creation of novel molecules and complex organic structures. Its specific chemical properties make it suitable for various synthetic pathways requiring amine functionalities.
- Synonyms
- 4-tetrahydroquinoxalineC14H14N2

Organic Synthesis Intermediate
2-Phenyl-1,2,3,4-tetrahydroquinoxaline serves as a key intermediate in the synthesis of more complex organic molecules. Its reactive amine groups allow for diverse derivatisation, making it useful in the development of new chemical entities.
Pharmaceutical Research
This compound is employed in pharmaceutical research as a building block for potential drug candidates. Its structural motif can be incorporated into molecules designed to interact with biological targets.
Materials Science
In materials science, 2-Phenyl-1,2,3,4-tetrahydroquinoxaline may be investigated for its potential inclusion in functional materials. Its nitrogen-heterocyclic structure could impart specific electronic or optical properties.
| Molecular weight | 210.27 |
|---|---|
| Empirical formula | C14H14N2 |
| Assay | 95% |
| Melting point | 94-99 °C |


Hazard statements
- H301Toxic if swallowed
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P301IF SWALLOWED
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 25-51/53 |
| Safety statements (S) | 45-61 |
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 2-Phenyl-1,2,3,4-tetrahydroquinoxaline used for?
+
2-Phenyl-1,2,3,4-tetrahydroquinoxaline is primarily used as a building block in organic synthesis and in research for developing new chemical entities, particularly in pharmaceutical and materials science applications.
What are the CAS number and molecular formula for 2-Phenyl-1,2,3,4-tetrahydroquinoxaline?
+
The CAS number is 5021-47-6, and the molecular formula is C14H14N2.
What grade and purity does Tech Serve Solutions supply for 2-Phenyl-1,2,3,4-tetrahydroquinoxaline?
+
Tech Serve Solutions supplies 2-Phenyl-1,2,3,4-tetrahydroquinoxaline with an assay of 95%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 2-Phenyl-1,2,3,4-tetrahydroquinoxaline be handled?
+
According to GHS classifications, this compound is toxic if swallowed and toxic to aquatic life with long-lasting effects. Handle with extreme care in a well-ventilated area, avoiding release to the environment. Appropriate personal protective equipment, including gloves and eye protection, is essential.
How is 2-Phenyl-1,2,3,4-tetrahydroquinoxaline packed, shipped, and exported?
+
2-Phenyl-1,2,3,4-tetrahydroquinoxaline is packed in compliance with UN 2811, 6.1 / PGIII regulations for transport. TSS is a global supplier and exporter, ensuring adherence to all relevant shipping and export requirements.
How can I request a quote or sample for 2-Phenyl-1,2,3,4-tetrahydroquinoxaline?
+
To request a quote or sample, please contact our sales department through the website or by phone. Provide the product name and CAS number (5021-47-6) for prompt service.
▶ 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