Olopatadine hydrochloride
Olopatadine hydrochloride (CAS: 140462-76-6; Formula: C21H23NO3·HCl; MW: 373.87) is a bioactive small molecule primarily utilised in cell biology research. This compound serves as a potent inhibitor, particularly investigated for its activity as an antagonist of certain cellular receptors and enzymes. Its precise chemical structure and well-defined properties make it a valuable reagent for in vitro studies.
- IUPAC
- (11Z)-11-[3-(Dimethylamino)propylidene]-6,11-dihydrodibenz[b,e]oxepin-2-acetic acid hydrochloride,AL-4943A,KW-4679,Opatanol,Patanol
- Synonyms
- (11Z)-11-[3-(Dimethylamino)propylidene]-6,11-dihydrodibenz[b,e]oxepin-2-acetic acid hydrochloride,AL-4943A,KW-4679,Opatanol,Patanol

Receptor Antagonism Research
Olopatadine hydrochloride is employed in research settings to investigate the function and inhibition of specific cellular receptors. Its antagonist properties are instrumental in elucidating signalling pathways and cellular responses.
Enzyme Inhibition Studies
This compound is utilised in biochemical assays to study enzyme kinetics and inhibition mechanisms. Researchers use it to probe the active sites of target enzymes and understand their catalytic processes.
Cellular Signalling Pathway Analysis
Due to its bioactive nature, olopatadine hydrochloride aids in dissecting complex cellular signalling cascades. It helps researchers understand how specific molecular interactions influence cell behaviour and function.
| Molecular weight | 373.87 |
|---|---|
| Empirical formula | C21H23NO3·HCl |
| Assay | ≥98% (HPLC) |
| Solubility | H2O: ≥20 mg/mL |
| Storage temperature | room temp |


Hazard statements
- H301Toxic if swallowed
- H400Very toxic to aquatic life
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) | 25-50 |
| 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 Olopatadine hydrochloride used for?
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Olopatadine hydrochloride is primarily used as a bioactive small molecule in cell biology research, often investigated for its receptor antagonist and enzyme inhibitory properties to elucidate cellular signalling pathways.
What is the CAS number and molecular formula for Olopatadine hydrochloride?
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The CAS number for Olopatadine hydrochloride is 140462-76-6, and its molecular formula is C21H23NO3·HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Olopatadine hydrochloride with a purity of ≥98% (HPLC). We do not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for Olopatadine hydrochloride?
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Olopatadine hydrochloride is classified under GHS06 and GHS09 with the signal word 'Danger'. It carries hazard statements H301 (Toxic if swallowed) and H400 (Very toxic to aquatic life). Handle with extreme caution, avoiding exposure and environmental release, and follow P273-P301 + P310 precautionary statements.
How is Olopatadine hydrochloride shipped and exported?
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Olopatadine hydrochloride is shipped and exported according to international regulations, including UN 2811 classification for toxic solids. It is suitable for global export.
How can I request a sample or quote for Olopatadine hydrochloride?
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To request a sample or quote for Olopatadine hydrochloride, please contact our sales team through the website or directly via email or phone, providing your specific requirements.
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