2-Ethoxy-3-formyl-5-methylphenylboronic acid
2-Ethoxy-3-formyl-5-methylphenylboronic acid (CAS: 480424-54-2) is an organoboron compound with a molecular weight of 208.02 g/mol. This fine chemical is characterised by its phenylboronic acid core, substituted with ethoxy, formyl, and methyl groups. It serves as a valuable building block in organic synthesis, particularly in the development of complex molecules for research and development purposes. TSS supplies this compound for laboratory and industrial applications.

Organic Synthesis Intermediate
This compound functions as a key intermediate in the synthesis of more complex organic molecules. Its boronic acid moiety facilitates various cross-coupling reactions, enabling the formation of new carbon-carbon bonds.
Pharmaceutical Research
As a versatile building block, it is employed in the early stages of drug discovery and development. It aids in the construction of novel molecular scaffolds with potential therapeutic applications.
Materials Science
The unique structure of this boronic acid derivative can be exploited in the development of advanced materials. It may be used in the synthesis of polymers or functional organic materials with tailored properties.
| Molecular weight | 208.02 |
|---|---|
| Linear formula | C6H2CHOCH3OCH2CH3B(OH)2 |
| Storage temperature | 2-8°C |
| Melting point | 122-126 °C |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 1759 8 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
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-Ethoxy-3-formyl-5-methylphenylboronic acid used for?
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This compound is primarily used as a building block in organic synthesis, particularly in pharmaceutical research and potentially in materials science.
What are the CAS number and formula for 2-Ethoxy-3-formyl-5-methylphenylboronic acid?
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The CAS number is 480424-54-2 and the linear formula is C6H2CHOCH3OCH2CH3B(OH)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product as a laboratory or technical grade reagent. We do not represent it as USP, BP, EP, or other pharmacopoeial grades unless explicitly stated otherwise on the Certificate of Analysis.
How should 2-Ethoxy-3-formyl-5-methylphenylboronic acid be handled?
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This compound is classified as corrosive (GHS05, Danger, H314). It causes severe skin burns and eye damage. Appropriate personal protective equipment including eyeshields, face shields, gloves, and respiratory protection (N100 or P3 filter) must be used. Handle in a well-ventilated area. Store at 2-8°C.
Is this product available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 2-Ethoxy-3-formyl-5-methylphenylboronic acid.
How can I request a sample or quote?
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To request a sample or a quotation, please contact our sales department through the website or by phone.
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