2-Bromo-9,9-bis(2-ethylhexyl)fluorene CAS 355135-07-8
| CAS No. | 355135-07-8 |
| Molecular Formula | C29H41Br |
| Molecular Weight | 469.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Bromo-9,9-bis(2-ethylhexyl)fluorene (CAS 355135-07-8), a certified reference material (molecular formula C29H41Br, MW 469.54 g/mol) for analytical method development and quality control.
Based on its molecular formula C29H41Br, 2-Bromo-9,9-bis(2-ethylhexyl)fluorene contains bromine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 469.54 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 | C29H41Br |
| Molecular Weight | 469.54 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
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- Empagliflozin impurity 214 (CAS 2819995-58-7)
- Methyl 5-methyl-1H-indole-4-carboxylate (CAS 1360902-02-8)
- 3-Chloro-3-(4-nitrophenyl)prop-2-enenitrile (CAS 126417-79-6)
- Hydrocortisone 21-Octanoate (CAS 6678-14-4)
- 2-Bromo-5-(trifluoromethyl)pyrimidine (CAS 69034-09-9)
- Semaglutide impurity 49 (CAS CATO-C4X-222649)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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