N-(2-Pentynyl)phthalimide
N-(2-Pentynyl)phthalimide (CAS: 339310-24-6, C13H11NO2) is a functionalised organic compound with a molecular weight of 213.23 g/mol. This chemical entity, featuring an alkyne and a phthalimide group, serves as a versatile building block in organic synthesis. Its structure lends itself to various chemical transformations, making it a valuable intermediate in the development of more complex molecules for research and development purposes.
- IUPAC
- 1-Phthalimido-2-pentyne

Organic Synthesis Intermediate
N-(2-Pentynyl)phthalimide is utilised as a key intermediate in the synthesis of diverse organic compounds. Its reactive alkyne functionality can participate in various coupling and addition reactions, facilitating the construction of complex molecular architectures.
Building Block for Heterocyclic Chemistry
This compound can serve as a starting material for the preparation of various nitrogen-containing heterocycles. The phthalimide moiety can be readily cleaved, and the alkyne can be further functionalised to create novel ring systems.
Research and Development
Primarily used in laboratory settings, N-(2-Pentynyl)phthalimide supports academic and industrial research in synthetic chemistry. It enables exploration of new synthetic routes and the discovery of novel chemical entities.
| Molecular weight | 213.23 |
|---|---|
| Empirical formula | C13H11NO2 |
| Assay | 97% |
| Melting point | 97-101 °C |

Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36 |
| 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 N-(2-Pentynyl)phthalimide used for?
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N-(2-Pentynyl)phthalimide is employed as a versatile building block and intermediate in organic synthesis, particularly in the development of complex organic molecules and heterocyclic compounds for research purposes.
What is the CAS number and molecular formula for N-(2-Pentynyl)phthalimide?
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The CAS number for N-(2-Pentynyl)phthalimide is 339310-24-6, and its molecular formula is C13H11NO2.
What grade and purity does Tech Serve Solutions supply for N-(2-Pentynyl)phthalimide?
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Tech Serve Solutions supplies N-(2-Pentynyl)phthalimide with a minimum assay of 97%. This product is intended for research and laboratory use and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety considerations when handling N-(2-Pentynyl)phthalimide?
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N-(2-Pentynyl)phthalimide is classified with the signal word 'Warning' and carries hazard statements H302 (Harmful if swallowed) and H319 (Causes serious eye irritation). Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, should be used. In case of contact with eyes, rinse cautiously with water for several minutes and seek medical advice.
Is N-(2-Pentynyl)phthalimide available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including N-(2-Pentynyl)phthalimide, adhering to all necessary regulations for international shipments.
How can I request a quote or sample for N-(2-Pentynyl)phthalimide?
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To request a quote or a sample of N-(2-Pentynyl)phthalimide, please use the contact form on our website or contact our sales department directly.
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