(Z)-2,6-Difluoro-4-((2-methyl-5-oxooxazol-4(5H)-ylidene)methyl)phenyl acetate CAS 1332478-75-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1332478-75-7 |
| Molecular Formula | C13H9F2NO4 |
| Molecular Weight | 281.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(Z)-2,6-Difluoro-4-((2-methyl-5-oxooxazol-4(5H)-ylidene)methyl)phenyl acetate (CAS 1332478-75-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H9F2NO4. Molecular weight: 281.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H9F2NO4 |
| Molecular Weight | 281.21 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 2-(6-Fluoropyridin-3-yl)-6-(trifluoromethyl)-1H-benzo[d]imidazole (CAS 1356385-98-2)
- 5-Fluoro-1-(4-hydroxy-3-nitrobenzyl)pyrimidine-2,4(1H,3H)-dione (CAS 85093-36-3)
- 5-Amino-1-(β-D-ribofuranosyl)imidazole-4-carboxylic Acid Sodium Salt (CAS 53459-67-9)
- 2-Chloro-4-fluoro-N'-hydroxybenzenecarboximidamide (CAS 885963-71-3)
- 2-Chloro-6-phenylpyrazine (CAS 41270-62-6)
- N-CYclohexyl-3-hydroxybenzene-1-sulfonamide (CAS 1082469-98-4)
- 2-Phenoxy-1-(4-(6-phenylpyridazin-3-yl)piperazin-1-yl)ethan-1-one (CAS 1021070-00-7)
- 2-(6-Amino-4-(aminomethyl)-5-(difluoromethyl)pyridin-2-yl)acetonitrile (CAS 1805228-88-9)
- 2-(Ethoxymethyl)-2-ethylbutane-1-sulfonyl chloride (CAS 1466707-63-0)
- Semaglutide impurity 276 (CAS CATO-C4X-2226276)
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