Efaroxan hydrochloride
Efaroxan hydrochloride (CAS: 89197-00-2), with the molecular formula C13H16N2O · HCl and a molecular weight of 252.74 g/mol, is a selective alpha-1 adrenergic receptor antagonist. It is a research chemical primarily utilised in biological and pharmacological studies to investigate adrenergic receptor function and neurotransmission. Its specific action on these receptors makes it a valuable tool in neuroscience research.
- IUPAC
- 2-Ethyl-2-(imidazolin-2-yl)-2,3-dihydrobenzofuran hydrochloride,RX 821037A

Adrenergic Receptor Research
Efaroxan hydrochloride serves as a selective antagonist for alpha-1 adrenergic receptors. It is used in vitro and in vivo research to understand the physiological roles of these receptors in various biological systems.
Neuroscience Investigations
As a ligand for imidazoline binding sites and an antagonist of alpha-1 adrenergic receptors, it is employed in studies focusing on neurotransmission and the central nervous system.
Pharmacological Tool
This compound is used in drug discovery and development as a probe to characterise receptor subtypes and pathways, aiding in the understanding of potential therapeutic targets.
| Molecular weight | 252.74 |
|---|---|
| Empirical formula | C13H16N2O · HCl |
| Assay | ≥98% (HPLC) |
| Solubility | H2O: >20 mg/mL |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25 |
| Safety statements (S) | 7-35-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... ADRA1A(148), ADRA1B(147), ADRA1D(146), ADRA2A(150), ADRA2B(151), ADRA2C(152) |
|---|
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 Efaroxan hydrochloride used for?
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Efaroxan hydrochloride is used in scientific research as a selective alpha-1 adrenergic receptor antagonist and a ligand for imidazoline binding sites, primarily in neuroscience and cell biology studies.
What is the CAS number and chemical formula for Efaroxan hydrochloride?
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The CAS number for Efaroxan hydrochloride is 89197-00-2 and its chemical formula is C13H16N2O · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Efaroxan hydrochloride with an assay of ≥98% (HPLC). We do not represent this product as pharmacopoeia grade (USP, BP, EP) unless explicitly stated.
How should Efaroxan hydrochloride be handled safely?
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Efaroxan hydrochloride is classified as acutely toxic (Danger, H301). Handle with appropriate personal protective equipment, including eyeshields, faceshields, gloves, and a P2 respirator if necessary. Ensure adequate ventilation and avoid ingestion, inhalation, and contact with skin and eyes. Follow specific safety protocols outlined in the Safety Data Sheet.
Is Efaroxan hydrochloride a controlled substance?
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Based on the provided data, Efaroxan hydrochloride is not listed as a controlled substance. However, regulations can vary by jurisdiction.
How is Efaroxan hydrochloride shipped and exported?
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Efaroxan hydrochloride is shipped and exported in compliance with relevant transportation regulations, identified under UN 2811, Hazard Class 6.1, Packing Group III.
How can I request a quote or sample?
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To request a quote or sample of Efaroxan hydrochloride, please contact the Tech Serve Solutions sales department through our official website or designated contact channels.
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