5-Formylsalicylic acid
5-Formylsalicylic acid (CAS: 616-76-2) is an organic compound with the linear formula HCOC<sub>6</sub>H<sub>3</sub>-2-(OH)CO<sub>2</sub>H and a molecular weight of 166.13 g/mol. This brownish-yellow powder serves as a valuable building block in organic synthesis. It is particularly useful in the development of novel chemical entities and as an analytical standard in chromatography. Tech Serve Solutions supplies this compound for research and development purposes.
- IUPAC
- 2-Hydroxy-5-formylbenzoic acid
- Synonyms
- 2-Hydroxy-5-formylbenzoic acid

Organic Synthesis Intermediate
5-Formylsalicylic acid functions as a versatile intermediate in the synthesis of more complex organic molecules. Its aldehyde and carboxylic acid functionalities allow for diverse chemical transformations.
Analytical Standard
This compound is employed as an analytical standard in various chromatographic techniques, ensuring accurate identification and quantification in research and quality control settings.
Research and Development
Utilised in R&D laboratories for exploring new chemical reactions and developing novel compounds, particularly within the fields of medicinal chemistry and materials science.
| Molecular weight | 166.13 |
|---|---|
| Linear formula | HCOC6H3-2-(OH)CO2H |
| Assay | ≥95.0% (T) |
| Grade | purum |
| Form | powder |
| Colour | brownish-yellow |
| Melting point | 250 °C (dec.)(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 5-Formylsalicylic acid used for?
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5-Formylsalicylic acid is used as a building block in organic synthesis, as an analytical standard in chromatography, and in research and development for creating novel chemical entities.
What is the CAS number and molecular formula for 5-Formylsalicylic acid?
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The CAS number is 616-76-2 and the linear formula is HCOC<sub>6</sub>H<sub>3</sub>-2-(OH)CO<sub>2</sub>H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Formylsalicylic acid in purum grade with an assay of ≥95.0% (T). We do not represent this product as USP, BP, or EP grade.
What are the primary safety concerns when handling 5-Formylsalicylic acid?
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Safety precautions include wearing eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter may be necessary. The compound is classified with WGK Germany 3.
How is 5-Formylsalicylic acid packed and shipped?
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Tech Serve Solutions packs and exports chemicals according to international safety and regulatory standards. Specific packaging details can be provided upon request.
How can I request a sample or quote for 5-Formylsalicylic acid?
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Please contact our sales team via our website or direct email to request a sample or a quotation for 5-Formylsalicylic acid.
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