(5S)-3-methyl-4,5-dihydro-1,2-oxazole-5-carboxylic acid 473700-52-6 GS-5449 CAS 473700-52-6
| CAS No. | 473700-52-6 |
| Molecular Formula | C5H7NO3 |
| Molecular Weight | 129.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 129.11 g/mol gives (5S)-3-methyl-4,5-dihydro-1,2-oxazole-5-carboxylic acid 473700-52-6 GS-5449 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(5S)-3-methyl-4,5-dihydro-1,2-oxazole-5-carboxylic acid 473700-52-6 GS-5449 (CAS 473700-52-6), molecular formula C5H7NO3 and molecular weight 129.11 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (5S)-3-methyl-4,5-dihydro-1,2-oxazole-5-carboxylic acid 473700-52-6 GS-5449 (C5H7NO3) 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 129.11 g/mol, it falls into the low-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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (5S)-3-methyl-4,5-dihydro-1,2-oxazole-5-carboxylic acid 473700-52-6 GS-5449 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 | C5H7NO3 |
| Molecular Weight | 129.11 g/mol |
| 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.) | 2025 |
| Nitrogen Atoms | 1 |
Recommended Standards
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