(4S,5S)-5-Methyl-2-oxooxazolidine-4-carboxylic acid CAS 98302-45-5
| CAS No. | 98302-45-5 |
| Molecular Formula | C5H7NO4 |
| Molecular Weight | 145.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(4S,5S)-5-Methyl-2-oxooxazolidine-4-carboxylic acid (CAS 98302-45-5), molecular formula C5H7NO4 and molecular weight 145.11 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (4S,5S)-5-Methyl-2-oxooxazolidine-4-carboxylic acid (C5H7NO4) contains a carbohydrate-derived structure, an amide group. 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 145.11 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).
CATO manufactures (4S,5S)-5-Methyl-2-oxooxazolidine-4-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H7NO4 |
| Molecular Weight | 145.11 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.) | 1985 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (3,5-Difluoropyridin-4-yl)methanol (CAS 924649-16-1)
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- tert-Butyl (S)-N-Boc-5-oxo-2-pyrrolidinecarboxylate (CAS 91229-91-3)
- 551936-17-5 3JX85UOO24 AIM-102 UNII-3JX85UOO24 (4R)-4-(((2R)-2-Amino-3-cyclohexyl-propanoyl)amino)-5-(carboxymethylamino)-5-oxo-pentanoic acid D-Cyclohexylalanine-D-glutamic-glycine tripeptide Glycine, 3-cyclohexyl-D-alanyl-D-alpha-glutamyl- (CAS 551936-17-5)
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