5-Methoxy-3-pyridinecarboxaldehyde
5-Methoxy-3-pyridinecarboxaldehyde (CAS 113118-83-5), with the molecular formula C7H9NO2 and a molecular weight of 139.15 g/mol, is a valuable organic building block. This pyridine derivative features an aldehyde functional group and a methoxy substituent, making it a useful intermediate in organic synthesis. It is primarily employed in research and development settings for the creation of more complex molecules, particularly within the pharmaceutical and fine chemical industries.

Pharmaceutical Intermediate
5-Methoxy-3-pyridinecarboxaldehyde serves as a key intermediate in the synthesis of various pharmaceutical compounds. Its structural features allow for versatile chemical transformations, enabling the development of novel drug candidates.
Organic Synthesis Reagent
As a functionalised pyridine derivative, this compound is utilised as a building block in complex organic syntheses. It facilitates the introduction of the pyridine ring with specific functional groups into target molecules.
Heterocyclic Chemistry Research
Researchers in heterocyclic chemistry employ 5-Methoxy-3-pyridinecarboxaldehyde for the design and synthesis of novel heterocyclic structures. Its specific substitution pattern offers unique synthetic possibilities.
| Molecular weight | 139.15 |
|---|---|
| Empirical formula | C7H9NO2 |
| Assay | 96% |
| Melting point | 28-32 °C |

Hazard statements
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Flash point | 100 °C / 212 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-43 |
| Safety statements (S) | 36/37 |
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-Methoxy-3-pyridinecarboxaldehyde used for?
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5-Methoxy-3-pyridinecarboxaldehyde is primarily used as an intermediate in organic synthesis, particularly in the pharmaceutical and fine chemical industries, and for research in heterocyclic chemistry.
What are the CAS number and formula for 5-Methoxy-3-pyridinecarboxaldehyde?
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The CAS number is 113118-83-5 and the empirical formula is C7H9NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Methoxy-3-pyridinecarboxaldehyde with an assay of 96%. This is a technical grade material and is not represented as USP, BP, or EP grade.
What are the safety precautions for handling 5-Methoxy-3-pyridinecarboxaldehyde?
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This compound is a Warning substance with H302 (Harmful if swallowed) and H317 (May cause an allergic skin reaction) hazards. Appropriate personal protective equipment, including a dust mask (N95), eyeshields, face shields, and gloves, should be worn. Handle in a well-ventilated area.
How is 5-Methoxy-3-pyridinecarboxaldehyde packed and shipped?
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Tech Serve Solutions, as a specialist global supplier and exporter, ensures appropriate packaging for safe handling, storage, and international shipment of chemicals.
How can I request a sample or quote for 5-Methoxy-3-pyridinecarboxaldehyde?
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Please contact our sales department via our website or direct email to request a sample or obtain a quotation for 5-Methoxy-3-pyridinecarboxaldehyde.
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