Ethynylboronic acid MIDA ester
Ethynylboronic acid MIDA ester (CAS: 1104637-53-7, C7H8BNO4) is a stable, crystalline solid organoboronate. With a molecular weight of 180.95 g/mol, it is a valuable reagent in organic synthesis. Its primary application lies in facilitating complex molecular construction via coupling reactions, particularly in the development of novel organic compounds and pharmaceutical intermediates.
- IUPAC
- Acetyleneboronic acid MIDA ester,Acetynylboronic acid MIDA ester,Ethyneboronic acid MIDA ester
- Synonyms
- Acetyleneboronic acid MIDA esterAcetynylboronic acid MIDA esterEthyneboronic acid MIDA ester

Suzuki Cross-Coupling Reactions
Ethynylboronic acid MIDA ester is efficiently employed in Suzuki-Miyaura cross-coupling reactions. This method is crucial for forming carbon-carbon bonds, enabling the synthesis of diverse organic structures and complex molecules.
Organic Synthesis Intermediate
As a versatile building block, this MIDA ester derivative is instrumental in the synthesis of various organic compounds. It is particularly useful in constructing alkynyl-substituted molecules for research and development.
Pharmaceutical and Agrochemical Development
The compound serves as a key intermediate in the pathways leading to novel pharmaceutical agents and agrochemicals. Its controlled reactivity allows for precise incorporation into target molecular frameworks.
| Molecular weight | 180.95 |
|---|---|
| Empirical formula | C7H8BNO4 |
| Application | Suzuki Cross-Coupling with MIDA Boronates |
| Melting point | 208-209 °C |
| 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 Ethynylboronic acid MIDA ester used for?
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Ethynylboronic acid MIDA ester is primarily used in organic synthesis, especially in Suzuki cross-coupling reactions, for the construction of carbon-carbon bonds and the synthesis of alkynyl-substituted compounds. It serves as a key intermediate in developing novel organic molecules, pharmaceutical intermediates, and agrochemicals.
What is the CAS number and molecular formula for Ethynylboronic acid MIDA ester?
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The CAS number for Ethynylboronic acid MIDA ester is 1104637-53-7, and its molecular formula is C7H8BNO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethynylboronic acid MIDA ester for research and chemical synthesis purposes. The specific assay and purity are available on the product's Certificate of Analysis. We do not represent this product as USP, BP, or EP grade.
How should Ethynylboronic acid MIDA ester be handled safely?
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Handling Ethynylboronic acid MIDA ester requires appropriate safety precautions. It is advised to use safety glasses and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used if airborne exposure is a risk. Refer to the Safety Data Sheet for comprehensive handling information.
Is Ethynylboronic acid MIDA ester a controlled substance?
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Based on the provided data, Ethynylboronic acid MIDA ester is not indicated as a controlled substance. For specific regulatory information pertaining to your region, please consult local authorities.
How is Ethynylboronic acid MIDA ester packed and shipped?
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Ethynylboronic acid MIDA ester is carefully packed to ensure stability and integrity during transit. Tech Serve Solutions exports this chemical globally, adhering to all relevant shipping regulations for hazardous materials.
How can I request a quote or sample for Ethynylboronic acid MIDA ester?
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To request a quote or a sample of Ethynylboronic acid MIDA ester, please contact our sales team through the TSS website or by calling our customer service line. Specify the product CAS number (1104637-53-7) in your request.
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