(S)-1-Ethyl-5-oxopyrrolidine-2-carboxylic acid CAS 950749-08-3
| CAS No. | 950749-08-3 |
| Molecular Formula | C7H11NO3 |
| Molecular Weight | 157.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO supplies (S)-1-Ethyl-5-oxopyrrolidine-2-carboxylic acid (CAS 950749-08-3), a certified reference material (molecular formula C7H11NO3, MW 157.17 g/mol) for analytical method development and quality control.
Structurally, (S)-1-Ethyl-5-oxopyrrolidine-2-carboxylic acid (C7H11NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 157.17 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), (S)-1-Ethyl-5-oxopyrrolidine-2-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C7H11NO3 |
| Molecular Weight | 157.17 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (S) 4-Azidomethyl-2,2-dimethyl-[1,3]dioxolane (CAS 85820-82-2)
- (S)-1-Ethyl-5-oxopyrrolidine-3-carboxylic acid (CAS 428518-38-1)
- (R,E)-3-(morpholin-2-yl)acrylic acid (CAS 2227005-48-1)
- (S)-1-Methyl-2-oxopyrrolidin-3-yl acetate (CAS 614754-27-7)
- LAUROLITSINE (CAS 5890-18-6)
- 291-69-0 1H-Azepine DTXSID50183352 (CAS 291-69-0)
- 4-(Aminomethyl)-3-(difluoromethyl)-6-hydroxypicolinic acid (CAS 1805072-69-8)
- Methylamine-<SUP>15</SUP>N (CAS 1449-70-3)
- 3-(3,5-Dimethylisoxazol-4-yl)propan-1-amine (CAS 771572-98-6)
- 5-Fluoro-2-(2-isopropyl-5-methylphenoxy)aniline (CAS 946775-00-4)
- (4,5-Dibromothiophen-3-yl)methanol (CAS 73919-89-8)
- 2-(2,4-Dichlorophenoxy)-N'-(3-oxocyclohex-1-en-1-yl)propanehydrazide (CAS 1024134-18-6)
- 3-benzyl-3-phenylazetidine hydrochloride (CAS 93007-52-4)
- Tau Peptide (273-284) trifluoroacetate salt (CAS 1663490-91-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com