2-Oxo-3-piperidinecarboxylic acid
2-Oxo-3-piperidinecarboxylic acid (CAS 41888-21-5), with the molecular formula C6H9NO3 and a molecular weight of 143.14 g/mol, is a valuable heterocyclic building block. This compound serves as a key intermediate in various chemical synthesis pathways, particularly in the development of complex organic molecules. Its piperidine structure makes it useful in constructing novel pharmaceutical agents and other fine chemicals.

Pharmaceutical Intermediate
This compound is utilised in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates. Its specific structural features are advantageous for creating molecules with desired biological activities.
Organic Synthesis Reagent
As a versatile building block, 2-Oxo-3-piperidinecarboxylic acid is employed in a range of organic transformations. It facilitates the introduction of functionalised piperidine rings into target molecules.
Research and Development
It is used in academic and industrial research laboratories for the discovery and development of new chemical entities. Its availability supports innovation in medicinal chemistry and materials science.
| Molecular weight | 143.14 |
|---|---|
| Empirical formula | C6H9NO3 |

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
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36/37/39 |
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 2-Oxo-3-piperidinecarboxylic acid used for?
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2-Oxo-3-piperidinecarboxylic acid is primarily used as a building block in organic synthesis, particularly for pharmaceutical intermediates and in chemical research and development.
What is the CAS number and molecular formula?
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The CAS number for 2-Oxo-3-piperidinecarboxylic acid is 41888-21-5, and its molecular formula is C6H9NO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Oxo-3-piperidinecarboxylic acid with a purity that meets standard research and synthesis requirements. We do not represent this product as USP, BP, or EP grade.
How should 2-Oxo-3-piperidinecarboxylic acid be handled?
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Handle 2-Oxo-3-piperidinecarboxylic acid with appropriate personal protective equipment. It can cause skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Ensure good ventilation and avoid breathing dust.
Is this chemical exported globally?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 2-Oxo-3-piperidinecarboxylic acid.
How can I request a sample or quote?
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Please contact our sales team through the website or by phone to request a sample or a quotation for 2-Oxo-3-piperidinecarboxylic acid.
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