3-(6-Chloro-2-oxo-1,3-benzoxazol-3(2h)-yl)propanoic acid CAS 17124-56-0
| CAS No. | 17124-56-0 |
| Molecular Formula | C10H8ClNO4 |
| Molecular Weight | 241.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-(6-Chloro-2-oxo-1,3-benzoxazol-3(2h)-yl)propanoic acid (C10H8ClNO4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 241.63 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
3-(6-Chloro-2-oxo-1,3-benzoxazol-3(2h)-yl)propanoic acid (CAS 17124-56-0), molecular formula C10H8ClNO4 and molecular weight 241.63 g/mol, is a CATO reference standard with documented purity and traceability.
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-(6-Chloro-2-oxo-1,3-benzoxazol-3(2h)-yl)propanoic 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 | C10H8ClNO4 |
| Molecular Weight | 241.63 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 2-(Carboxy(hydroxy)methyl)-6-(chloromethyl)benzo[d]oxazole (CAS 1804189-36-3)
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- 2-(Carboxy(hydroxy)methyl)-5-(chloromethyl)benzo[d]oxazole (CAS 1804450-88-1)
- Pyridazine-3-carbaldehyde (CAS 60170-83-4)
- 2-((3-(sec-Butyl)-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)-N-(2-chlorobenzyl)acetamide (CAS 1326859-59-9)
- 6-Bromo-3-chloroisoquinoline (CAS 552331-06-3)
- 3-Amino-N-(5-chloro-2-methylphenyl)-4-(trifluoromethyl)-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide (CAS 626227-74-5)
- 2-Fluoro-5-(trifluoromethyl)pyridin-4-amine (CAS 1805076-88-3)
- 6-(Benzyloxy)-2-fluoropyridin-3-ol (CAS 1881290-77-2)
- 2-Chloro-3-(difluoromethyl)-6-iodoisonicotinaldehyde (CAS 1805359-02-7)
- 2-ethyl-5-nitrobenzene-1-sulfonyl chloride (CAS 89189-34-4)
- 8-(Tributylstannyl)isoquinoline (CAS 1245816-24-3)
- Tirzepatide Impurity 19 X TFA Salt (CAS CATO-C4X-324019)
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