δ-Valerolactam
δ-Valerolactam (CAS: 675-20-7), with the molecular formula C5H9NO and a molecular weight of 99.13 g/mol, is a cyclic amide belonging to the lactam family. This organic building block serves as a key intermediate in various chemical syntheses. Its properties make it valuable for the development of polymers and fine chemicals, offering a reliable starting material for complex molecular structures in research and industrial applications.
- IUPAC
- 2-Piperidone,delta-Valerolactam
- Synonyms
- 2-Piperidone

Polymer Synthesis
δ-Valerolactam can be utilised as a monomer or co-monomer in the synthesis of polyamides and other polymers. These materials find applications in textiles, engineering plastics, and specialised coatings.
Organic Synthesis Intermediate
As a versatile cyclic amide, it functions as a crucial intermediate in the construction of more complex organic molecules. Its reactivity allows for ring-opening and functional group transformations essential in multi-step synthetic routes.
Pharmaceutical Research
This compound may serve as a building block in the development of novel pharmaceutical agents. Its structural motif is present in various biologically active compounds, making it a target for medicinal chemistry research.
| Molecular weight | 99.13 |
|---|---|
| Empirical formula | C5H9NO |
| Assay | 98% |
| Boiling point | 256 °C(lit.)81-82 °C/0.1 mmHg(lit.) |
| Melting point | 38-40 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
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 δ-Valerolactam used for?
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δ-Valerolactam (CAS: 675-20-7) is primarily used as an intermediate in organic synthesis, particularly for the development of polymers and complex organic molecules. It also finds application in pharmaceutical research.
What are the CAS number and formula for δ-Valerolactam?
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The CAS number for δ-Valerolactam is 675-20-7, and its molecular formula is C5H9NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies δ-Valerolactam with an assay of 98%. This product is not classified as USP, BP, or EP grade and is intended for research and industrial use.
How should δ-Valerolactam be handled safely?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. A respirator filter of type N95 (US) or P1 (EN143) is recommended. Ensure adequate ventilation to avoid vapour inhalation. Refer to the Safety Data Sheet for comprehensive handling instructions.
Is δ-Valerolactam a controlled substance?
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Based on the provided data, δ-Valerolactam is not indicated as a controlled substance.
How is δ-Valerolactam packed and shipped?
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Tech Serve Solutions packs and ships chemicals according to international regulations. Specific packaging details will be provided upon request and are tailored to ensure safe transit for export.
How can I request a quote or sample for δ-Valerolactam?
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To request a quote or a sample of δ-Valerolactam, please use the contact form on our website or reach out to our sales team directly with your inquiry, specifying the product CAS number 675-20-7.
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