Butyl (S)-(−)-2-pyrrolidone-5-carboxylate
Butyl (S)-(−)-2-pyrrolidone-5-carboxylate (CAS: 4931-68-4, C9H15NO3) is a valuable chiral building block with a molecular weight of 185.22 g/mol. Supplied at 98% purity, this compound finds utility in asymmetric synthesis and general chemical synthesis. Its pyrrolidine core and ester functionality make it a versatile intermediate for creating complex heterocyclic structures.
- IUPAC
- Butyl L-pyroglutamate
Chiral Synthesis Intermediate
This compound serves as a key chiral building block in the synthesis of complex molecules where specific stereochemistry is critical. Its enantiopure nature is valuable for creating stereoselective reactions and products.
Heterocyclic Chemistry
The pyrrolidone ring system makes it a useful starting material or intermediate for constructing various heterocyclic compounds. These structures are prevalent in pharmaceuticals and advanced materials.
Asymmetric Catalysis Research
It can be employed in research related to asymmetric catalysis, potentially as a ligand precursor or a chiral auxiliary. Its defined stereochemistry aids in the development of stereoselective catalytic systems.
| Molecular weight | 185.22 |
|---|---|
| Empirical formula | C9H15NO3 |
| Assay | 98% |
| Boiling point | 180 °C/6.5 mmHg(lit.) |
| Density | 1.104 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.403(lit.) |
| Optical activity | [α]20/D −13°, neat |
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 Butyl (S)-(−)-2-pyrrolidone-5-carboxylate used for?
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Butyl (S)-(−)-2-pyrrolidone-5-carboxylate is primarily used as a chiral building block in asymmetric synthesis and for the construction of heterocyclic compounds.
What is the CAS number and formula for Butyl (S)-(−)-2-pyrrolidone-5-carboxylate?
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The CAS number is 4931-68-4 and the empirical formula is C9H15NO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Butyl (S)-(−)-2-pyrrolidone-5-carboxylate with an assay of 98%. TSS does not represent this product as USP, BP, or EP grade.
How should Butyl (S)-(−)-2-pyrrolidone-5-carboxylate be handled safely?
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This compound is a Warning irritant to skin, eyes, and respiratory tract. Handle with appropriate personal protective equipment including eyeshields, gloves, and use in a well-ventilated area or fume hood. Refer to the safety data sheet for full details.
Is Butyl (S)-(−)-2-pyrrolidone-5-carboxylate a controlled substance?
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The provided data does not indicate that Butyl (S)-(−)-2-pyrrolidone-5-carboxylate is a controlled substance.
How is this chemical packed and exported?
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Tech Serve Solutions globally supplies and exports fine chemicals, pharmaceutical intermediates, and laboratory reagents. Specific packing details are available upon request.
How can I request a sample or quote for Butyl (S)-(−)-2-pyrrolidone-5-carboxylate?
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Please contact our sales team through the website or by phone to request a sample or obtain a quotation for Butyl (S)-(−)-2-pyrrolidone-5-carboxylate.
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