3-Chloro-4-methoxybenzaldehyde
3-Chloro-4-methoxybenzaldehyde (CAS: 4903-09-7) is an aromatic aldehyde with the molecular formula C8H7ClO2 and a molecular weight of 170.59 g/mol. It serves as a valuable building block in organic synthesis, particularly within the chemical and pharmaceutical industries. This compound is characterised by its aldehyde functional group and substituted benzene ring, enabling its participation in a range of chemical reactions. Tech Serve Solutions supplies this chemical for research and development purposes.
- IUPAC
- 3-Chloro-p-anisaldehyde
- Synonyms
- 3-Chloro-p-anisaldehyde

Organic Synthesis Intermediate
3-Chloro-4-methoxybenzaldehyde acts as a key intermediate in the synthesis of more complex organic molecules. Its reactive aldehyde group allows for various condensation, oxidation, and reduction reactions, facilitating the construction of diverse chemical structures for research.
Pharmaceutical Building Block
This compound is utilised in the development of pharmaceutical intermediates and active pharmaceutical ingredients (APIs). Its specific structural features can be incorporated into drug candidates, contributing to the exploration of new therapeutic agents.
Research and Development
Primarily used in laboratory settings, 3-Chloro-4-methoxybenzaldehyde supports academic and industrial research in areas such as medicinal chemistry and materials science. Its availability aids in the exploration of novel chemical pathways and product development.
| Molecular weight | 170.59 |
|---|---|
| Linear formula | CH3OC6H3ClCHO |
| 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-methoxybenzaldehyde used for?
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3-Chloro-4-methoxybenzaldehyde is primarily used as a building block and intermediate in organic synthesis, particularly in the development of pharmaceutical compounds and for general research purposes.
What are the CAS number and formula for 3-Chloro-4-methoxybenzaldehyde?
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The CAS number is 4903-09-7 and the linear formula is CH3OC6H3ClCHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Chloro-4-methoxybenzaldehyde with a minimum assay of 97%. This product is intended for laboratory and research use and is not represented as USP, BP, EP or other pharmacopoeia grades.
What safety precautions should be taken when handling 3-Chloro-4-methoxybenzaldehyde?
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When handling 3-Chloro-4-methoxybenzaldehyde, ensure adequate ventilation and wear appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter may be necessary.
Is 3-Chloro-4-methoxybenzaldehyde a controlled substance?
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The provided data does not indicate that 3-Chloro-4-methoxybenzaldehyde is a controlled substance.
How is 3-Chloro-4-methoxybenzaldehyde packed and shipped?
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Tech Serve Solutions offers 3-Chloro-4-methoxybenzaldehyde in various pack sizes suitable for research and industrial needs. We are experienced global suppliers and exporters, adhering to all necessary shipping regulations.
How can I request a quote or sample for 3-Chloro-4-methoxybenzaldehyde?
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To request a quote or sample of 3-Chloro-4-methoxybenzaldehyde, please contact our sales team through the website or by phone, providing your specific requirements.
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