7-Bromo-2-chloroquinoline-3-carboxaldehyde
7-Bromo-2-chloroquinoline-3-carboxaldehyde (CAS: 136812-31-2) is a halogenated heterocyclic building block with the molecular formula C10H5BrClNO and a molecular weight of 270.51 g/mol. This compound serves as a key intermediate in organic synthesis, particularly within the development of novel chemical entities. Its structure features a quinoline core substituted with bromine, chlorine, and an aldehyde group, making it amenable to various derivatisation reactions for constructing complex molecular architectures.

Organic Synthesis Intermediate
Utilised as a versatile building block in the synthesis of complex organic molecules, including potential pharmaceutical candidates and agrochemicals. The presence of halogen substituents and an aldehyde moiety allows for diverse chemical transformations.
Heterocyclic Chemistry Research
A valuable reagent for researchers exploring novel heterocyclic compounds. Its quinoline framework is a common motif in biologically active molecules, making it a starting point for medicinal chemistry programmes.
Material Science Precursor
Can be employed in the development of functional materials where the quinoline core or its derivatives impart specific electronic or optical properties.
| Molecular weight | 270.51 |
|---|---|
| Empirical formula | C10H5BrClNO |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P301IF SWALLOWED
| 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.
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 7-Bromo-2-chloroquinoline-3-carboxaldehyde primarily used for?
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It is primarily used as a versatile building block in organic synthesis, particularly for creating complex heterocyclic compounds and as an intermediate in the development of potential pharmaceutical agents.
What is the CAS number and molecular formula for this compound?
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The CAS number is 136812-31-2, and the molecular formula is C10H5BrClNO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound as a research/technical grade. We do not represent it as USP, BP, EP, or any other pharmacopoeial grade unless explicitly stated otherwise in the product specifications.
How should 7-Bromo-2-chloroquinoline-3-carboxaldehyde be handled safely?
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This compound is classified as toxic if swallowed and requires careful handling. Users must consult the Safety Data Sheet (SDS) and wear appropriate personal protective equipment (PPE), including gloves, eye protection, and respiratory protection if necessary, to avoid ingestion and skin/eye contact. Work should be conducted in a well-ventilated area, preferably a fume hood.
Is this compound a controlled substance?
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The provided data does not indicate that this compound is a scheduled or controlled substance under standard regulations. However, users should always verify local regulations.
How is this chemical exported and shipped?
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Tech Serve Solutions specialises in global export and ships this chemical according to international transport regulations for hazardous materials, including appropriate UN classification (UN 2811, Class 6.1, PGIII).
How can I request a quote or sample?
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To request a quote or a sample, please contact our sales department through the website or by calling our dedicated inquiry line. Please reference the product name and CAS number.
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