5-Cyano-2-methoxybenzaldehyde
5-Cyano-2-methoxybenzaldehyde (CAS: 21962-53-8), with the molecular formula C9H7NO2 and a molecular weight of 161.16 g/mol, is a vital organic intermediate. This aromatic aldehyde features both nitrile and ether functionalities, making it a versatile building block in synthetic organic chemistry. It is primarily utilised in the research and development of novel compounds and serves as a precursor in the synthesis of more complex molecules across various chemical sectors.
- IUPAC
- 3-Formyl-4-methoxybenzonitrile
- Synonyms
- 3-Formyl-4-methoxybenzonitrile

Organic Synthesis Intermediate
Serves as a key building block in multi-step organic syntheses. Its functional groups allow for diverse chemical transformations, enabling the construction of complex molecular architectures for research purposes.
Pharmaceutical Research
Used in the development of potential new drug candidates. The specific arrangement of its functional groups can be leveraged to introduce desired properties into biologically active molecules.
Fine Chemical Manufacturing
A valuable reagent in the production of specialised fine chemicals. It contributes to the synthesis pathways of niche chemical products where precise structural features are required.
| Molecular weight | 161.16 |
|---|---|
| Empirical formula | C9H7NO2 |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 115-120 °C |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| 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-Cyano-2-methoxybenzaldehyde used for?
+
5-Cyano-2-methoxybenzaldehyde is primarily used as a versatile building block in organic synthesis, particularly in the research and development of novel compounds and pharmaceutical intermediates.
What are the CAS number and chemical formula?
+
The CAS number for 5-Cyano-2-methoxybenzaldehyde is 21962-53-8, and its chemical formula is C9H7NO2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 5-Cyano-2-methoxybenzaldehyde with a minimum purity of 97%. This product is intended for research and technical use and is not supplied as USP, BP, EP, or any other pharmacopoeia grade.
How should 5-Cyano-2-methoxybenzaldehyde be handled safely?
+
Handle with appropriate personal protective equipment. It is classified as harmful if swallowed, in contact with skin, or if inhaled, and causes skin and eye irritation. Ensure good ventilation and avoid breathing dust. Refer to the Safety Data Sheet (SDS) for detailed handling instructions.
Is this product suitable for export?
+
Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 5-Cyano-2-methoxybenzaldehyde, adhering to international shipping regulations.
How can I request a sample or quote?
+
To request a sample or a quote for 5-Cyano-2-methoxybenzaldehyde, please contact our sales team through the website or via direct inquiry, providing your specific requirements.
What are the storage conditions for this chemical?
+
5-Cyano-2-methoxybenzaldehyde should be stored under refrigeration at 2-8°C to maintain its quality and stability.
▶ 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