W-84 dibromide
W-84 dibromide (CAS: 21093-51-6), with the molecular formula C32H44Br2N4O4 and a molecular weight of 708.52 g/mol, is a white solid compound. It is recognised for its role as an acetylcholinesterase inhibitor. This chemical is primarily utilised in research settings for investigating enzyme kinetics, neurotransmission, and related cellular processes within neuroscience and cell biology.
- IUPAC
- Hexamethylene-bis-[dimethyl-(3-phthalimidopropyl)ammonium]dibromide
- Synonyms
- Hexamethylene-bis-[dimethyl-(3-phthalimidopropyl)ammonium]dibromide

Neuroscience Research
W-84 dibromide serves as a valuable tool in neuroscience research for studying the function and inhibition of acetylcholinesterase, an enzyme critical for neurotransmission. It aids in understanding the mechanisms of cholinergic systems.
Enzyme Inhibition Studies
This compound is employed in biochemical and pharmacological studies to investigate enzyme inhibition. Its specific action on acetylcholinesterase makes it useful for developing and testing new therapeutic agents or understanding disease pathways.
Cell Biology Assays
In cell biology, W-84 dibromide can be used in assays related to cell signaling and the function of the nervous system. It helps researchers explore the impact of acetylcholinesterase activity on cellular behaviour.
| Molecular weight | 708.52 |
|---|---|
| Empirical formula | C32H44Br2N4O4 |
| Assay | ≥98% (HPLC) |
| Form | solid |
| Colour | white |
| Solubility | DMSO: ~11 mg/mLH2O: insoluble |
| Storage temperature | −20°C |

Hazard statements
- 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) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 W-84 dibromide primarily used for?
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W-84 dibromide is primarily used in research settings for its activity as an acetylcholinesterase inhibitor, particularly in neuroscience and cell biology studies investigating neurotransmission and enzyme kinetics.
What is the CAS number and molecular formula for W-84 dibromide?
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The CAS number for W-84 dibromide is 21093-51-6, and its molecular formula is C32H44Br2N4O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies W-84 dibromide with a purity of ≥98% (HPLC). We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.
What are the safety and handling precautions for W-84 dibromide?
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W-84 dibromide is classified as a Warning, with hazards including skin irritation (H315), eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment such as a dust mask (N95), eyeshields, and gloves should be used. Handle in a well-ventilated area and avoid inhalation of dust.
How is W-84 dibromide shipped and exported?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals, including W-84 dibromide, adhering to all necessary regulations for safe and compliant international shipping.
How can I request a sample or quote for W-84 dibromide?
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Please contact our sales team via the website or direct email to request a sample or a formal quotation for W-84 dibromide.
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