2,2'-Dinitro-9,9'-spirobi[fluorene] CAS 67665-46-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 67665-46-7 |
| Molecular Formula | C25H14N2O4 |
| Molecular Weight | 406.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,2'-Dinitro-9,9'-spirobi[fluorene] (CAS 67665-46-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C25H14N2O4. Molecular weight: 406.39 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C25H14N2O4 |
| Molecular Weight | 406.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 2 |
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Why CATO?
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