Efavirenz
Efavirenz (CAS: 154598-52-4, C14H9ClF3NO2, MW: 315.67) is a non-nucleoside reverse transcriptase inhibitor (NNRTI). As a crucial compound in antiviral research, it is widely utilised in studies focused on AIDS and viral replication mechanisms. Its specific chemical structure facilitates targeted investigations into cellular pathways related to viral infections and immune system responses, making it a valuable reagent for advanced biological research.
- IUPAC
- (4S)-6-Chloro-4-(2-cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one,Efavirenz

Antiviral Research
Efavirenz is extensively used as a research tool in the study of HIV replication and the development of novel antiviral therapies. Its mechanism of action targets viral enzymes, providing a basis for understanding drug resistance and developing next-generation treatments.
Cell Biology Studies
This compound serves as a reagent in cell biology to investigate cellular processes affected by viral infections. Researchers use Efavirenz to explore impacts on cell signaling pathways and immune cell functions.
Neuroscience Research
Efavirenz is employed in neuroscience research to examine its effects on neuronal cells and pathways, particularly in contexts related to viral infections that may impact the central nervous system.
Immune System Investigations
The reagent aids in understanding immune system regulation and the complex interactions between viruses and immune cells. It is valuable for research into immune cell signaling and blood-related studies.
| Molecular weight | 315.67 |
|---|---|
| Empirical formula | C14H9ClF3NO2 |
| Assay | ≥98% (HPLC) |
| Solubility | DMSO: soluble15 mg/mL, clear |
| Optical activity | [α]/D -86 to -96°, c = 1 in methanol |
| Storage temperature | −20°C |

Hazard statements
- H400Very toxic to aquatic life
Precautionary statements
- P273Avoid release to the environment
| Transport (UN / ADR) | UN 3077 9 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | N |
| Risk statements (R) | 50 |
| Safety statements (S) | 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 Efavirenz primarily used for?
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Efavirenz is primarily used as a research reagent in studies concerning AIDS and viral replication, as well as in cell biology and neuroscience research to investigate cellular and immune responses.
What are the CAS number and chemical formula for Efavirenz?
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The CAS number for Efavirenz is 154598-52-4, and its empirical formula is C14H9ClF3NO2.
What grade and purity does Tech Serve Solutions supply for Efavirenz?
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Tech Serve Solutions supplies Efavirenz with an assay of ≥98% (HPLC). TSS does not represent this product as USP, BP, EP, or any other pharmacopoeial grade.
How should Efavirenz be handled and stored?
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Efavirenz should be handled with appropriate personal protective equipment, considering its H400 hazard statement (Very toxic to aquatic life). It should be stored at -20°C.
How is Efavirenz packaged and shipped by TSS?
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Efavirenz is securely packaged for research use and can be exported globally by Tech Serve Solutions. Further details on specific packaging and shipping regulations are available upon request.
How can I request a quote or sample of Efavirenz?
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To request a quote or sample of Efavirenz, please contact our sales team via the website or direct inquiry channels. We will respond promptly with the necessary information.
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