Epinastine hydrochloride
Epinastine hydrochloride (CAS: 108929-04-0, C16H15N3 · HCl) is a white solid with a molecular weight of 285.77. This potent histamine H1 receptor antagonist is primarily utilised in scientific research for its pharmacological properties. It is an approved therapeutic agent known for its antihistaminic effects, making it a valuable compound in the study of allergic responses and related biological pathways.
- IUPAC
- 9,13b-Dihydro-1H-dibenz[cf]imidazo[1,5-a]azepine hydrochloride,WAL-801Cl
- Synonyms
- WAL-801Cl9,13b-Dihydro-1H-dibenz[cf]imidazo[1,5-a]azepine hydrochloride

Histamine H1 Receptor Antagonist Research
Epinastine hydrochloride is employed in research settings to investigate the role of histamine H1 receptors in various physiological and pathological processes. Its selective antagonistic activity makes it a useful tool for studying allergic reactions and inflammation.
Pharmacological Studies
As an approved therapeutic, Epinastine hydrochloride serves as a subject for in-depth pharmacological studies. Researchers utilise it to understand its pharmacokinetic and pharmacodynamic profiles, aiding in the development of new therapeutic strategies.
Cell Biology and Signaling Investigations
This compound is valuable in cell biology research, particularly for studying cell signaling pathways affected by histamine. Its application helps elucidate mechanisms involved in cellular responses to inflammatory stimuli.
| Molecular weight | 285.77 |
|---|---|
| Empirical formula | C16H15N3 · HCl |
| Assay | ≥98% (HPLC) |
| Form | solid |
| Colour | white |
| Solubility | H2O: soluble38 mg/mL |
| Storage temperature | 2-8°C |

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) | 45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Storage Condition | desiccated |
|---|
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 Epinastine hydrochloride used for?
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Epinastine hydrochloride is primarily used as a histamine H1 receptor antagonist in scientific research. It is also an approved therapeutic agent investigated for its antihistaminic effects and related pharmacological actions.
What are the CAS number and formula for Epinastine hydrochloride?
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The CAS number for Epinastine hydrochloride is 108929-04-0, and its empirical formula is C16H15N3 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Epinastine hydrochloride with an assay of ≥98% (HPLC). We do not represent this product as USP, BP, EP, or any other pharmacopoeial grade unless explicitly stated.
How should Epinastine hydrochloride be handled safely?
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Epinastine hydrochloride is classified as Danger (GHS06) and is acutely toxic if swallowed (H301). Handle with appropriate personal protective equipment, including eyeshields, faceshields, gloves, and P2 respirator cartridges. Store in a desiccated state at 2-8°C.
How is Epinastine hydrochloride packed, shipped, and exported?
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Epinastine hydrochloride is supplied as a white solid and is typically stored under refrigeration. We adhere to all regulations for the safe packing, shipping, and export of chemical compounds.
How can I request a quote or sample of Epinastine hydrochloride?
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To request a quote or sample of Epinastine hydrochloride, please contact our sales team through our website or by phone. Provide your specific requirements for prompt assistance.
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