4-Fluoroisoindoline hydrochloride
4-Fluoroisoindoline hydrochloride (CAS: 924305-06-6) is a fluorinated heterocyclic compound with the molecular formula C8H8FN · HCl and a molecular weight of 173.62 g/mol. It serves as a valuable building block in chemical synthesis, particularly for introducing the isoindoline moiety into more complex molecules. This compound is primarily utilised in research and development settings for the creation of novel chemical entities.
- IUPAC
- 4-Fluoro-1H-isoindoline hydrochloride

Pharmaceutical Intermediate
Used in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates. Its fluorinated isoindoline structure can contribute to altered pharmacokinetic and pharmacodynamic properties.
Agrochemical Development
Serves as a precursor for developing new pesticides and herbicides. The incorporation of fluorine can enhance the biological activity and stability of agrochemicals.
Materials Science Research
Investigated for its potential use in the development of functional materials. The unique electronic and structural properties of fluorinated heterocycles are of interest.
Organic Synthesis Reagent
Acts as a key building block in multi-step organic synthesis pathways. Enables the construction of complex molecular architectures with precise control.
| Molecular weight | 173.62 |
|---|---|
| Empirical formula | C8H8FN · HCl |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 191-196 °C |

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
| Transport (UN / ADR) | UN 3335 |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 4-Fluoroisoindoline hydrochloride used for?
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4-Fluoroisoindoline hydrochloride is primarily used as a building block in organic synthesis and as an intermediate in the development of pharmaceuticals and agrochemicals.
What is the CAS number and molecular formula for 4-Fluoroisoindoline hydrochloride?
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The CAS number is 924305-06-6 and the molecular formula is C8H8FN · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Fluoroisoindoline hydrochloride with an assay of 97%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.
How should 4-Fluoroisoindoline hydrochloride be handled and stored?
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4-Fluoroisoindoline hydrochloride is a Warning substance with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). It should be handled with appropriate personal protective equipment in a well-ventilated area and stored at 2-8°C.
Is 4-Fluoroisoindoline hydrochloride a controlled substance?
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This information is not available in the provided data. Please consult relevant local regulations.
How is 4-Fluoroisoindoline hydrochloride packed and shipped?
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Tech Serve Solutions packs and ships chemicals according to international transport regulations, including UN 3335 for air transport. Storage is recommended at 2-8°C.
How can I request a sample or quote for 4-Fluoroisoindoline hydrochloride?
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To request a sample or a quote, please contact the Tech Serve Solutions sales team through our website or by phone.
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