2-Chloro-3-methoxybenzaldehyde
2-Chloro-3-methoxybenzaldehyde (CAS: 54881-49-1) is a key organic intermediate with the molecular formula H₃COC₆H₃(Cl)CHO and a molecular weight of 170.59 g/mol. This chlorinated and methoxylated benzaldehyde derivative serves as a valuable building block in organic synthesis. Its characteristic carbonyl group and aromatic substitution pattern make it suitable for diverse chemical reactions, facilitating the development of more complex molecules in research and industrial applications.

Organic Synthesis Intermediate
Utilised as a precursor in the synthesis of various organic compounds. The presence of both chloro and methoxy substituents on the benzaldehyde core offers specific reactivity for targeted chemical transformations.
Pharmaceutical Research
Serves as a building block in the development of novel pharmaceutical agents. Its structure can be incorporated into potential drug candidates undergoing research and development.
Specialty Chemicals
A useful component in the production of specialty chemicals where specific aromatic substitution patterns are required. It contributes to the creation of fine chemicals for advanced applications.
| Molecular weight | 170.59 |
|---|---|
| Linear formula | H3COC6H3(Cl)CHO |
| Assay | 97% |
| Melting point | 53-58 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H400Very toxic to aquatic life
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-36/37/38-50 |
| Safety statements (S) | 26-36-45-60-61 |
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-methoxybenzaldehyde used for?
+
2-Chloro-3-methoxybenzaldehyde is primarily used as an intermediate and building block in organic synthesis, particularly in the research and development of pharmaceutical agents and specialty chemicals.
What are the CAS number and molecular formula of 2-Chloro-3-methoxybenzaldehyde?
+
The CAS number for 2-Chloro-3-methoxybenzaldehyde is 54881-49-1, and its molecular formula is H₃COC₆H₃(Cl)CHO.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 2-Chloro-3-methoxybenzaldehyde with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling requirements for 2-Chloro-3-methoxybenzaldehyde?
+
This compound is classified as harmful if swallowed, causes skin irritation, causes serious eye irritation, may cause respiratory irritation, and is very toxic to aquatic life. Handle with appropriate personal protective equipment including a dust mask type N95, eyeshields, and gloves. Ensure adequate ventilation and avoid release into the environment.
How is 2-Chloro-3-methoxybenzaldehyde packed and exported?
+
As a global supplier, TSS exports 2-Chloro-3-methoxybenzaldehyde, adhering to all necessary shipping regulations for hazardous materials (UN 3077, Class 9, PG III).
How can I request a sample or a quote for 2-Chloro-3-methoxybenzaldehyde?
+
To request a sample or a quote, please contact our sales team through the website or by phone, providing your specific requirements and shipping details.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis