Ethyl 5-benzoylisoxazole-3-carboxylate CAS 128015-02-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 128015-02-1 |
| Molecular Formula | C13H11NO4 |
| Molecular Weight | 245.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
Ethyl 5-benzoylisoxazole-3-carboxylate (CAS 128015-02-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H11NO4. Molecular weight: 245.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H11NO4 |
| Molecular Weight | 245.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 1 |
Recommended Standards
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- 1-(2-Methoxyphenyl)-2-oxo-1,2-dihydropyridine-3-carboxylic acid (CAS 1267237-99-9)
- tert-Butyl (5-oxopyrrolidin-3-yl)carbamate (CAS 1245648-84-3)
- trans-1-Boc-3-amino-4-methylpiperidine (CAS 1271810-27-5)
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- 1-(4,5,6,7-tetrahydro-1,3-benzothiazol-2-yl)ethan-1-one (CAS 1211513-13-1)
- 4-Amino-5-(2,6-dichlorophenoxymethyl)-4h-1,2,4-triazole-3-thiol (CAS 871478-79-4)
- 7-Chloro-1,2,3,4-tetrahydro-isoquinoline-1-carboxylic acid hydrochloride (CAS 1260637-91-9)
- Semaglutide impurity 247 (CAS CATO-C4X-2226247)
Why CATO?
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