Quinacrine dihydrochloride
Quinacrine dihydrochloride (CAS: 69-05-6, C23H30ClN3O · 2HCl) is a chemical compound with a molecular weight of 472.88 g/mol. It is known for its application as a fluorescent probe and its historical use as an antimalarial and anthelmintic drug. Quinacrine dihydrochloride is also recognised for its potential in inhibiting monoamine oxidases and its use in cell biology research.
- IUPAC
- 6-Chloro-9-(4-diethylamino-1-methylbutylamino)-2-methoxyacridine dihydrochloride,Atebrin dihydrochloride,Mepacrine dihydrochloride

Fluorescent Labeling
Quinacrine dihydrochloride serves as a fluorescent probe, offering utility in various biological and chemical imaging applications. Its fluorescent properties allow for visualisation and tracking in research settings.
Enzyme Inhibition Research
The compound is noted as an inhibitor of monoamine oxidases (MAO-A and MAO-B). This makes it a valuable tool for researchers studying neurotransmitter metabolism and related neurological processes.
Cell Biology Studies
Quinacrine dihydrochloride finds applications in cell biology, particularly in studies involving cell signaling and neuroscience. Its interaction with cellular components can be leveraged to investigate biological pathways.
| Molecular weight | 472.88 |
|---|---|
| Empirical formula | C23H30ClN3O · 2HCl |
| Assay | ≥90% |
| Solubility | H2O: soluble, clear to hazy |

Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 36/37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... MAOA(4128), MAOB(4129) |
|---|
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 Quinacrine dihydrochloride used for?
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Quinacrine dihydrochloride is primarily used as a fluorescent probe, in research for enzyme inhibition studies (especially monoamine oxidases), and in cell biology applications.
What are the CAS number and formula for Quinacrine dihydrochloride?
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The CAS number for Quinacrine dihydrochloride is 69-05-6, and its empirical formula is C23H30ClN3O · 2HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Quinacrine dihydrochloride with an assay of ≥90%. TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades unless explicitly stated.
What are the safety considerations when handling Quinacrine dihydrochloride?
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Quinacrine dihydrochloride is classified as harmful if swallowed and causes skin, eye, and respiratory irritation. When handling, use a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation.
How is Quinacrine dihydrochloride packed and shipped?
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Quinacrine dihydrochloride is carefully packed for secure transit and is exported globally by Tech Serve Solutions, adhering to international shipping regulations for chemical substances.
How can I request a sample or quote for Quinacrine dihydrochloride?
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To request a sample or a quote for Quinacrine dihydrochloride, please contact our sales department via the website or email, providing your specific requirements.
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