rel-(2R,3S,4S)-2-Carboxy-4-(1-methylethenyl)-3-pyrrolidineacetic acid CAS 73209-05-9
| CAS No. | 73209-05-9 |
| Molecular Formula | C10H15NO4 |
| Molecular Weight | 213.23 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.
rel-(2R,3S,4S)-2-Carboxy-4-(1-methylethenyl)-3-pyrrolidineacetic acid (CAS 73209-05-9) is a high-purity analytical reference standard with the molecular formula C10H15NO4 and a molecular weight of 213.23 g/mol.
Structurally, rel-(2R,3S,4S)-2-Carboxy-4-(1-methylethenyl)-3-pyrrolidineacetic acid (C10H15NO4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 213.23 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), rel-(2R,3S,4S)-2-Carboxy-4-(1-methylethenyl)-3-pyrrolidineacetic 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 | C10H15NO4 |
| Molecular Weight | 213.23 g/mol |
| Appearance | Off-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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 1 |
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