3-(5-Chloro-2-oxobenzo[d]oxazol-3(2H)-yl)-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)propanamide CAS 903187-24-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 903187-24-6 |
| Molecular Formula | C18H15ClN2O5 |
| Molecular Weight | 374.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(5-Chloro-2-oxobenzo[d]oxazol-3(2H)-yl)-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)propanamide (CAS 903187-24-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H15ClN2O5. Molecular weight: 374.78 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H15ClN2O5 |
| Molecular Weight | 374.78 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 3-(4-Chlorobenzyl)-5,5-dimethyl-1-(5-nitropyridin-2-yl)imidazolidine-2,4-dione (CAS 900019-17-2)
- Sintofen (CAS 130561-48-7)
- Mercuric isobutyrate (CAS 19348-33-5)
- tert-Butyl N-[2-(2-bromophenoxy)ethyl]carbamate (CAS 1204333-53-8)
- 4-Chloro-3-methoxy-1-methyl-1H-pyrazole-5-carboxylic acid (CAS 1546448-12-7)
- 10-Phenyl-9-anthraceneboronic Acid (CAS 334658-75-2)
- 6-Chloro-3-iodoquinoline (CAS 1416801-72-3)
- Chonglou Saponin VII (CAS 68124-04-9)
- 3-(4-Bromo-5-methyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)propan-1-amine hydrobromide (CAS 1432035-28-3)
- Semaglutide Impurity 177 (CAS CATO-C4X-2226177)
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