2-Chloro-3,4-dimethoxybenzaldehyde
2-Chloro-3,4-dimethoxybenzaldehyde (CAS: 5417-17-4) is an aromatic aldehyde with the linear formula ClC<sub>6</sub>H<sub>2</sub>(OCH<sub>3</sub>)<sub>2</sub>CHO and a molecular weight of 200.62 g/mol. This compound serves as a valuable building block and intermediate in organic synthesis, particularly in the fine chemical and pharmaceutical sectors. Its reactivity is characteristic of aldehydes, enabling diverse chemical transformations for creating complex molecules.
- IUPAC
- 2-Chloroveratraldehyde
- Synonyms
- 2-Chloroveratraldehyde

Organic Synthesis Intermediate
Utilised as a key building block in the synthesis of more complex organic molecules. Its functional groups allow for various chemical transformations.
Pharmaceutical Research
Employed in the development of novel pharmaceutical compounds. The structure is amenable to modifications for exploring new drug candidates.
Fine Chemical Manufacturing
A precursor in the production of specialised fine chemicals. It contributes to the creation of diverse chemical entities for various industries.
| Molecular weight | 200.62 |
|---|---|
| Linear formula | ClC6H2(OCH3)2CHO |
| Assay | 98% |
| Melting point | 71-74 °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 2-Chloro-3,4-dimethoxybenzaldehyde used for?
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2-Chloro-3,4-dimethoxybenzaldehyde (CAS: 5417-17-4) is primarily used as an intermediate and building block in organic synthesis, particularly in pharmaceutical research and fine chemical manufacturing.
What are the CAS number and chemical formula for 2-Chloro-3,4-dimethoxybenzaldehyde?
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The CAS number is 5417-17-4 and the linear formula is ClC<sub>6</sub>H<sub>2</sub>(OCH<sub>3</sub>)<sub>2</sub>CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chloro-3,4-dimethoxybenzaldehyde with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should 2-Chloro-3,4-dimethoxybenzaldehyde be handled?
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Handle with care, wearing appropriate personal protective equipment such as eyeshields and gloves. A respirator filter like type N95 (US) or type P1 (EN143) is recommended. Avoid contact with skin and eyes. This compound is classified with WGK 3 in Germany, indicating a hazard to water.
Is 2-Chloro-3,4-dimethoxybenzaldehyde a controlled substance?
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The provided data does not indicate that 2-Chloro-3,4-dimethoxybenzaldehyde is a controlled substance.
How is this chemical packed and shipped?
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Tech Serve Solutions exports fine chemicals globally. Packing is designed to ensure product integrity and safety during transit, adhering to international shipping regulations.
How can I request a quote or sample for 2-Chloro-3,4-dimethoxybenzaldehyde?
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Please contact our sales team via the website or direct email to request a quote or sample. Specify the required quantity and delivery location.
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