Butyl 2,7-dinitro-9-oxo-9H-fluorene-4-carboxylate CAS 93519-67-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 93519-67-6 |
| Molecular Formula | C18H14N2O7 |
| Molecular Weight | 370.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Butyl 2,7-dinitro-9-oxo-9H-fluorene-4-carboxylate (CAS 93519-67-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H14N2O7. Molecular weight: 370.31 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H14N2O7 |
| Molecular Weight | 370.31 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 2 |
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- Peptide Impurity 41 (CAS CATO-CPTD788841)
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