5-Chloro-2,3-dimethoxybenzaldehyde
5-Chloro-2,3-dimethoxybenzaldehyde (CAS: 86232-28-2) is an organic compound with the linear formula ClC6H2(OCH3)2CHO and a molecular weight of 200.62 g/mol. This substituted benzaldehyde serves as a valuable intermediate and building block in organic synthesis. Its structure, featuring a chlorine atom and two methoxy groups on the benzene ring adjacent to an aldehyde functional group, allows for diverse chemical transformations.
- Synonyms
- ClC6H2(OCH3)2CHO

Organic Synthesis Intermediate
This compound is utilised as a key building block in the multi-step synthesis of complex organic molecules. The aldehyde functionality is reactive towards various nucleophiles, enabling the formation of new carbon-carbon bonds.
Pharmaceutical Intermediate
It is employed in the research and development of novel pharmaceutical agents. The specific arrangement of substituents on the aromatic ring can be crucial for conferring desired biological activity in drug discovery programs.
Fine Chemical Synthesis
5-Chloro-2,3-dimethoxybenzaldehyde finds application in the production of speciality and fine chemicals, contributing to the creation of diverse chemical entities for various industrial sectors.
| Molecular weight | 200.62 |
|---|---|
| Linear formula | ClC6H2(OCH3)2CHO |
| Assay | 97% |
| Melting point | 96-100 °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 5-Chloro-2,3-dimethoxybenzaldehyde used for?
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5-Chloro-2,3-dimethoxybenzaldehyde (CAS: 86232-28-2) is primarily used as an intermediate and building block in organic synthesis, particularly in the development of pharmaceutical agents and fine chemicals.
What are the CAS number and chemical formula for 5-Chloro-2,3-dimethoxybenzaldehyde?
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The CAS number is 86232-28-2 and the linear formula is ClC6H2(OCH3)2CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Chloro-2,3-dimethoxybenzaldehyde with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 5-Chloro-2,3-dimethoxybenzaldehyde be handled?
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Handling requires appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid breathing dust. This compound is classified as a Warning with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation).
Is 5-Chloro-2,3-dimethoxybenzaldehyde a controlled substance?
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Based on the provided data, 5-Chloro-2,3-dimethoxybenzaldehyde is not indicated as a controlled substance.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions exports fine chemicals globally. Specific packing and shipping details are provided upon request, adhering to all relevant international regulations for chemical transport.
How can I request a quote or sample?
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To request a quote or a sample of 5-Chloro-2,3-dimethoxybenzaldehyde, please contact our sales team through the website or by phone.
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