2,7-Bis(chloromethyl)-9,10-dihydrophenanthrene CAS 19399-61-2
| CAS No. | 19399-61-2 |
| Molecular Formula | C16H14Cl2 |
| Molecular Weight | 277.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to chlorine substitution, a polycyclic aromatic system, 2,7-Bis(chloromethyl)-9,10-dihydrophenanthrene is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 277.19 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
2,7-Bis(chloromethyl)-9,10-dihydrophenanthrene (CAS 19399-61-2), molecular formula C16H14Cl2 and molecular weight 277.19 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 2,7-Bis(chloromethyl)-9,10-dihydrophenanthrene meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C16H14Cl2 |
| Molecular Weight | 277.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
Related Bis Standards
- 2,9-Bis(chloromethyl)-1,10-phenanthroline (CAS 87518-61-4)
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