3,4,6-Trimethoxy-1(3H)-isobenzofuranone
3,4,6-Trimethoxy-1(3H)-isobenzofuranone (CAS: 189454-29-3) is a heterocyclic organic compound with the molecular formula C11H12O5 and a molecular weight of 224.21 g/mol. This compound, also identified as 3,4,6-Trimethoxyphthalide, serves as a valuable building block in chemical synthesis. Its structure lends itself to various applications within organic chemistry research and development, particularly in the exploration of complex molecular architectures. Available from Tech Serve Solutions with a purity of 97%.
- IUPAC
- 3,4,6-Trimethoxyphthalide
- Synonyms
- 189454-29-33,4,6-TrimethoxyphthalideC11H12O5

Organic Synthesis Intermediate
3,4,6-Trimethoxy-1(3H)-isobenzofuranone is utilised as a key intermediate in the synthesis of more complex organic molecules. Its functional groups allow for diverse chemical transformations.
Heterocyclic Compound Research
This benzofuran derivative is employed in academic and industrial research focused on heterocyclic chemistry. It aids in the study and development of novel heterocyclic compounds with potential applications.
Building Block for Chemical Libraries
It functions as a versatile building block for constructing chemical libraries used in drug discovery and materials science. Its unique structure can introduce specific properties into target molecules.
| Molecular weight | 224.21 |
|---|---|
| Empirical formula | C11H12O5 |
| Assay | 97% |
| Melting point | 149-152 °C(lit.) |
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 3,4,6-Trimethoxy-1(3H)-isobenzofuranone used for?
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3,4,6-Trimethoxy-1(3H)-isobenzofuranone is primarily used as an intermediate and building block in organic synthesis and heterocyclic compound research.
What is the CAS number and formula for 3,4,6-Trimethoxy-1(3H)-isobenzofuranone?
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The CAS number is 189454-29-3, and its empirical formula (Hill notation) is C11H12O5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,4,6-Trimethoxy-1(3H)-isobenzofuranone with an assay of 97%. TSS does not represent this product as USP, BP, EP, or other pharmacopoeial grades.
How should 3,4,6-Trimethoxy-1(3H)-isobenzofuranone be handled?
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According to its safety data, this compound has a WGK Germany rating of 3, indicating it is hazardous to water. Handle with appropriate personal protective equipment in a well-ventilated area, avoiding release into the environment.
How is 3,4,6-Trimethoxy-1(3H)-isobenzofuranone shipped and exported?
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As a specialist global supplier, Tech Serve Solutions professionally packs and exports chemicals like 3,4,6-Trimethoxy-1(3H)-isobenzofuranone worldwide, adhering to all relevant shipping regulations.
How can I request a sample or quote for 3,4,6-Trimethoxy-1(3H)-isobenzofuranone?
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To request a sample or quote, please contact our sales team through the website or via direct inquiry, providing your details and the product's CAS number (189454-29-3).
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