3-Chloro-4,5-dimethoxybenzaldehyde
3-Chloro-4,5-dimethoxybenzaldehyde (CAS: 18268-68-3) is a key organic intermediate with the linear formula ClC6H2(OCH3)2CHO and a molecular weight of 200.62 g/mol. This substituted benzaldehyde serves as a valuable building block in organic synthesis. Its structure, featuring a chlorine atom and two methoxy groups on the aromatic ring, allows for diverse chemical transformations, making it useful in the development of more complex molecules.
- Synonyms
- ClC6H2(OCH3)2CHO

Organic Synthesis Intermediate
Utilised as a crucial building block in multi-step organic syntheses. Its functional groups enable various reactions for the construction of target molecules in research and development.
Pharmaceutical Research
A potential precursor in the synthesis of novel pharmaceutical compounds. Its structural features may contribute to the development of new therapeutic agents.
Fine Chemical Manufacturing
Employed in the preparation of specialty chemicals. The compound's reactivity makes it suitable for producing niche chemical products for various industrial applications.
| Molecular weight | 200.62 |
|---|---|
| Linear formula | ClC6H2(OCH3)2CHO |
| Assay | 97% |
| Melting point | 56-60 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 3-Chloro-4,5-dimethoxybenzaldehyde used for?
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3-Chloro-4,5-dimethoxybenzaldehyde is primarily used as an intermediate in organic synthesis, particularly in the development of pharmaceutical compounds and fine chemicals.
What are the CAS number and chemical formula for 3-Chloro-4,5-dimethoxybenzaldehyde?
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The CAS number is 18268-68-3, and its linear chemical formula is ClC6H2(OCH3)2CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Chloro-4,5-dimethoxybenzaldehyde with a minimum assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 3-Chloro-4,5-dimethoxybenzaldehyde be handled safely?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended. Refer to the safety data sheet for comprehensive guidelines.
Is this chemical a controlled substance?
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Based on the provided data, there is no indication that 3-Chloro-4,5-dimethoxybenzaldehyde is a controlled substance.
How is 3-Chloro-4,5-dimethoxybenzaldehyde exported and shipped?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. Detailed shipping and export information can be provided upon request.
How can I request a quote or sample?
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To request a quote or sample of 3-Chloro-4,5-dimethoxybenzaldehyde, please contact our sales team via the website or directly.
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