3-Isochromanone
3-Isochromanone (CAS: 4385-35-7, Formula: C9H8O2, Molar Mass: 148.16 g/mol) is a heterocyclic organic compound belonging to the benzopyran class. It serves as a valuable building block in organic synthesis. TSS supplies this chemical with an assay of 98%, suitable for research and development purposes. Its unique structure makes it a key intermediate in the preparation of more complex molecules within academic and industrial laboratories.

Organic Synthesis Intermediate
3-Isochromanone is utilised as a foundational component in the construction of various organic molecules. Its reactive functional groups allow for diverse chemical transformations, aiding in the synthesis of novel compounds with potential pharmaceutical or material science applications.
Heterocyclic Chemistry Research
As a benzopyran derivative, this compound is employed in academic and industrial research focused on heterocyclic chemistry. It enables the study and development of new synthetic routes and the exploration of the properties of isochromanone-containing structures.
Building Block for Complex Molecules
The chemical structure of 3-Isochromanone makes it an attractive starting material for multi-step syntheses. It is particularly useful for introducing the isochromanone scaffold into larger molecular architectures in the fields of medicinal chemistry and drug discovery.
| Molecular weight | 148.16 |
|---|---|
| Empirical formula | C9H8O2 |
| Assay | 98% |
| Melting point | 80-82 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
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 3-Isochromanone used for?
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3-Isochromanone is primarily used as a building block in organic synthesis and for research in heterocyclic chemistry, facilitating the creation of complex organic molecules.
What is the CAS number and formula for 3-Isochromanone?
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The CAS number for 3-Isochromanone is 4385-35-7, and its molecular formula is C9H8O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Isochromanone with a purity of 98%. This product is supplied for research and chemical synthesis purposes and is not represented as USP, BP, EP, or any other pharmacopoeial grade.
How should 3-Isochromanone be handled safely?
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3-Isochromanone may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). When handling, wear appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, and gloves. Ensure adequate ventilation.
Is 3-Isochromanone a controlled substance?
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The provided data does not indicate that 3-Isochromanone is a controlled substance.
How is 3-Isochromanone packed and exported?
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Tech Serve Solutions packs and exports 3-Isochromanone according to international shipping regulations for chemicals. Specific packaging details are available upon request.
How can I request a quote or sample for 3-Isochromanone?
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To request a quote or sample for 3-Isochromanone, please contact our sales team via the website or direct inquiry channels, providing your specific requirements.
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