1,3-Dichloro-9-Methyl-6-(Trifluoromethyl)Phenanthrene CAS 94133-66-1
| CAS No. | 94133-66-1 |
| Molecular Formula | C16H9Cl2F3 |
| Molecular Weight | 329.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,3-Dichloro-9-Methyl-6-(Trifluoromethyl)Phenanthrene (CAS 94133-66-1), molecular formula C16H9Cl2F3 and molecular weight 329.14 g/mol, is a CATO reference standard with documented purity and traceability.
1,3-Dichloro-9-Methyl-6-(Trifluoromethyl)Phenanthrene (C16H9Cl2F3) contains fluorine/chlorine substitution, a polycyclic aromatic system. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C16H9Cl2F3 |
| Molecular Weight | 329.14 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 |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Halogen Content | F/Cl-containing |
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Recommended Standards
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- (3-Butoxy-5-chlorophenyl)boronic acid (CAS 1256345-75-1)
- 2-(3,4-epoxycyclohexyl)ethyltriethoxysilane (CAS 10217-34-2)
- 3-Chloro-4-ethylpyridine (CAS 79698-48-9)
- 5-Oxo-1-phenyl-4,5-dihydro-1H-pyrazole-4-carboxylic acid (CAS 860408-94-2)
- 5-Chloro-3-(m-tolyl)-1H-1,2,4-triazole (CAS 59301-30-3)
- Acridine-9-carboxylic acid dihydrate (CAS 146340-18-3)
- (2R,5S,13aR)-8-methoxy-7,9-dioxo-N-(2,4,6-trifluorobenzyl)-2,3,4,5,7,9,13,13a-octahydro-2,5-methanopyrido[1',2':4,5]pyrazino[2,1-b][1,3]oxazepine-10-carboxamide (CAS 1616340-94-3)
- Semaglutide Impurity 115 (CAS CATO-C4X-2226115)
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