1-(tert-Butoxycarbonyl)-2-pyrrolidinone
1-(tert-Butoxycarbonyl)-2-pyrrolidinone (CAS: 85909-08-6), a white to off-white solid, is a valuable heterocyclic building block. With the molecular formula C9H15NO3 and a molecular weight of 185.22 g/mol, this compound plays a crucial role in chemical synthesis. Its protected lactam structure makes it a versatile intermediate for creating more complex molecules, particularly in the fields of organic chemistry and medicinal chemistry research.

Organic Synthesis Intermediate
Serves as a key building block in the synthesis of complex organic molecules. Its protected pyrrolidinone core allows for selective functionalization and further elaboration in multi-step synthetic pathways.
Pharmaceutical Research
Utilised in the development of novel pharmaceutical agents. The pyrrolidine ring system is a common motif in biologically active compounds, making this intermediate relevant for drug discovery efforts.
Heterocyclic Chemistry
A useful reagent for introducing the N-protected pyrrolidinone moiety into various chemical structures. It facilitates the construction of diverse heterocyclic frameworks for chemical research.
| Molecular weight | 185.22 |
|---|---|
| Empirical formula | C9H15NO3 |
| Assay | 97% |
| Boiling point | 100-105 °C/0.5 mmHg(lit.) |
| Density | 1.086 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.466(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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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-(tert-Butoxycarbonyl)-2-pyrrolidinone used for?
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1-(tert-Butoxycarbonyl)-2-pyrrolidinone is primarily used as a building block in organic synthesis and in pharmaceutical research for the development of new chemical entities and heterocyclic compounds.
What are the CAS number and formula for 1-(tert-Butoxycarbonyl)-2-pyrrolidinone?
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The CAS number is 85909-08-6 and the empirical formula is C9H15NO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-(tert-Butoxycarbonyl)-2-pyrrolidinone with an assay of 97%. This is considered a technical grade and is not represented as USP, BP, or EP.
How should 1-(tert-Butoxycarbonyl)-2-pyrrolidinone be handled safely?
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Handle with appropriate personal protective equipment including eyeshields and gloves. Ensure adequate ventilation; avoid breathing dust/fume/gas/mist/vapours/spray. In case of contact with eyes, rinse cautiously with water for several minutes and seek medical advice if irritation persists.
Is this product a controlled substance?
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The provided data does not indicate that 1-(tert-Butoxycarbonyl)-2-pyrrolidinone is a controlled substance.
How is 1-(tert-Butoxycarbonyl)-2-pyrrolidinone packed and shipped?
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Tech Serve Solutions exports fine chemicals globally. Packaging is managed according to international regulations to ensure safe transport. Please contact us for specific export and shipping details.
How can I request a sample or quote?
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To request a sample or a quote for 1-(tert-Butoxycarbonyl)-2-pyrrolidinone, please use the contact form on our website or call our sales department directly.
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