3-(2-{[(tert-butoxy)carbonyl]amino}propan-2-yl)-1,2-oxazole-5-carboxylic acid CAS 1803608-31-2
| CAS No. | 1803608-31-2 |
| Molecular Formula | C12H18N2O5 |
| Molecular Weight | 270.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(2-{[(tert-butoxy)carbonyl]amino}propan-2-yl)-1,2-oxazole-5-carboxylic acid (CAS 1803608-31-2), molecular formula C12H18N2O5 and molecular weight 270.28 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 3-(2-{[(tert-butoxy)carbonyl]amino}propan-2-yl)-1,2-oxazole-5-carboxylic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 270.28 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 3-(2-{[(tert-butoxy)carbonyl]amino}propan-2-yl)-1,2-oxazole-5-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 | C12H18N2O5 |
| Molecular Weight | 270.28 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 2 |
Related tert Standards
- 6-[(tert-Butoxy)carbonyl]-3aH,4H,5H,6H,7H,7aH-[1,2]oxazolo[5,4-c]pyridine-3-carboxylic acid (CAS 1251003-08-3)
- 5-[(tert-Butoxy)carbonyl]-3aH,4H,5H,6H,7H,7aH-[1,2]oxazolo[4,5-c]pyridine-3-carboxylic acid (CAS 1251012-71-1)
- 3-(2-{[(tert-butoxy)carbonyl]amino}propan-2-yl)-1,2-oxazole-4-carboxylic acid (CAS 1803589-24-3)
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Recommended Standards
- 4-Methyl-3-[(phenylcarbamoyl)amino]benzoic acid (CAS 182957-95-5)
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- 2-(4-Chlorophenyl)-2-oxoethyl 2-(4-heptylphenyl)-8-methylquinoline-4-carboxylate (CAS 355433-26-0)
- 2-chlorocyclohex-1-ene-1-carboxylic acid (CAS 56475-13-9)
- 2-(tert-Butoxycarbonyl)-2-azabicyclo[3.1.0]hexane-3-carboxylic acid (CAS 1219430-61-1)
- 2-Isopropyl-4-(1,2,3,4-tetrahydroisoquinolin-7-yl)thiazole (CAS 1365940-77-7)
- 5-(2-Methoxy-5-methylphenyl)-1H-pyrazole-3-carboxylic acid (CAS 1038397-89-5)
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- Semaglutide Impurity 162 (x TFA Salt) (CAS CATO-C4X-2226162)
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