9-(3-Bromophenyl)-9-phenyl-9H-fluorene CAS 1257251-75-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1257251-75-4 |
| Molecular Formula | C25H17Br |
| Molecular Weight | 397.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
9-(3-Bromophenyl)-9-phenyl-9H-fluorene (CAS 1257251-75-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C25H17Br. Molecular weight: 397.31 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C25H17Br |
| Molecular Weight | 397.31 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
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Recommended Standards
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- 5-[2-(1H-imidazol-4-yl)-1,3-thiazol-4-yl]-3-methyl-1,2,4-oxadiazole (CAS 1355236-40-6)
- 3-Phenyl-4-(phenylsulfonyl)-4,5-dihydro-3H-pyrazole (CAS 93733-24-5)
- 1-{7-methylpyrrolo[2,1-f][1,2,4]triazin-2-yl}methanamine (CAS 1367931-58-5)
- 3-Cyclopentyl-4-iodo-1-methyl-5-vinyl-1H-pyrazole (CAS 1956340-22-9)
- 4-[(Butylamino)methyl]-n,n-diethylaniline (CAS 5468-68-8)
- 2-Fluoro-3-nitropyridine hydrate (CAS 1881328-77-3)
- Semaglutide Impurity 12 (CAS CATO-C4X-222612)
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