1-(Ethoxycarbonylmethyl)-6-methoxyquinolinium bromide
1-(Ethoxycarbonylmethyl)-6-methoxyquinolinium bromide (CAS: 162558-52-3) is a fluorescent chloride indicator dye with a molecular weight of 326.19 g/mol. This compound is valuable for research applications, particularly in measuring intracellular and extracellular chloride concentrations. Its fluorescent properties make it suitable for various biological assays and detection methods.
- IUPAC
- (6-Methoxyquinolinio)acetic acid ethyl ester bromide,MQAE
- Synonyms
- (6-Methoxyquinolinio)acetic acid ethyl ester bromideMQAE

Chloride Ion Measurement
Utilised as a fluorescent indicator, this compound enables the quantitative measurement of chloride ion concentrations in biological systems. It is particularly useful for studying cellular chloride transport and homeostasis.
Cellular Imaging
The fluorescent nature of 1-(Ethoxycarbonylmethyl)-6-methoxyquinolinium bromide allows for its application in cellular imaging techniques. It can be employed to visualise and study chloride distribution within cells.
Biochemical Research
As a biochemical reagent, it serves as a valuable tool in various research settings investigating ion channel function and cellular signalling pathways influenced by chloride ions.
| Molecular weight | 326.19 |
|---|---|
| Empirical formula | C14H16BrNO3 |
| Storage temperature | 2-8°C |
| Application | 1-(Ethoxycarbonylmethyl)-6-methoxyquinolinium bromide, a fluorescent chloride indicator dye, may be used to measure intracellular and extracellular chloride concentrations. |
| Melting point | 177-179 °C(lit.) |

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 1-(Ethoxycarbonylmethyl)-6-methoxyquinolinium bromide used for?
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1-(Ethoxycarbonylmethyl)-6-methoxyquinolinium bromide is primarily used as a fluorescent indicator dye to measure intracellular and extracellular chloride concentrations in biological research.
What is the CAS number and formula for 1-(Ethoxycarbonylmethyl)-6-methoxyquinolinium bromide?
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The CAS number is 162558-52-3, and the empirical formula is C14H16BrNO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound for research purposes. The specific assay and purity should be confirmed with the product specifications or by contacting our sales team, as we do not represent it as USP, BP, or EP grade.
How should 1-(Ethoxycarbonylmethyl)-6-methoxyquinolinium bromide be handled?
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This compound is a Warning substance, indicated by GHS07. It may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Always use appropriate personal protective equipment, including a dust mask (N95 US type), eyeshields, and gloves. Ensure good ventilation and avoid breathing dust.
Is this chemical packed and shipped internationally?
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Yes, Tech Serve Solutions specialises in global supply and export of fine chemicals, pharmaceutical intermediates, and laboratory reagents.
How can I request a sample or quote?
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Please contact our sales department directly via our website or phone to request a sample or obtain a quotation for 1-(Ethoxycarbonylmethyl)-6-methoxyquinolinium bromide.
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