Ethyl 7-nitro-2-oxo-2H-chromene-3-carboxylate CAS 385418-75-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 385418-75-7 |
| Molecular Formula | C12H9NO6 |
| Molecular Weight | 263.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 7-nitro-2-oxo-2H-chromene-3-carboxylate (CAS 385418-75-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H9NO6. Molecular weight: 263.20 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H9NO6 |
| Molecular Weight | 263.20 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.) | 2025 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 42406-53-1 Butanedioic acid, (1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-, (S)- (S)-(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)butanedioic acid N-Phthaloyl-L-aspartic acid (CAS 42406-53-1)
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