1-Boc-3-azetidinone
1-Boc-3-azetidinone (CAS: 398489-26-4), with the molecular formula C8H13NO3, is a key heterocyclic building block used extensively in chemical synthesis. This compound, featuring a protected azetidinone ring, serves as a versatile intermediate for constructing complex nitrogen-containing molecules. Its utility spans various research and development applications, particularly in the pharmaceutical and fine chemical industries, where it facilitates the introduction of specific structural motifs.
- IUPAC
- tert-Butyl-3-oxoazetidine-1-carboxylate

Pharmaceutical Intermediate Synthesis
1-Boc-3-azetidinone is a valuable synthon in medicinal chemistry for the development of novel drug candidates. It enables the precise incorporation of the azetidine ring system, a common feature in biologically active molecules.
Agrochemical Research
This compound can be employed in the synthesis of new agrochemicals, contributing to the development of compounds with potential applications in crop protection and pest management.
Organic Synthesis Building Block
As a functionalised heterocyclic compound, 1-Boc-3-azetidinone serves as a versatile building block in general organic synthesis for creating complex molecular architectures.
| Molecular weight | 171.19 |
|---|---|
| Empirical formula | C8H13NO3 |
| Assay | 97% |
| Melting point | 47-51 °C |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Flash point | 101 °C / 213.8 °F |
| Transport (UN / ADR) | UN 3335 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41 |
| Safety statements (S) | 26-39 |
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 1-Boc-3-azetidinone used for?
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1-Boc-3-azetidinone is primarily used as a versatile building block in organic synthesis, particularly in the pharmaceutical industry for the development of drug candidates and in agrochemical research.
What are the CAS number and formula for 1-Boc-3-azetidinone?
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The CAS number for 1-Boc-3-azetidinone is 398489-26-4, and its molecular formula is C8H13NO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Boc-3-azetidinone with a purity of 97% (assay). This product is intended for research and technical applications and is not represented as USP, BP, or EP grade.
How should 1-Boc-3-azetidinone be handled?
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1-Boc-3-azetidinone is a hazardous substance. It is harmful if swallowed, causes skin irritation, serious eye damage, and may cause respiratory irritation. When handling, use a type N95 dust mask, safety eyeshields, a face shield, and gloves. Ensure adequate ventilation and avoid breathing dust.
Is 1-Boc-3-azetidinone shipped internationally?
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Yes, Tech Serve Solutions specialises in global supply and export of fine chemicals, including 1-Boc-3-azetidinone.
How can I request a sample or quote for 1-Boc-3-azetidinone?
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To request a sample or a quote for 1-Boc-3-azetidinone, please contact our sales team through the website or by phone.
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