2,7-Dibromo-9,9-diheptyl-9H-fluorene CAS 794548-76-8
| CAS No. | 794548-76-8 |
| Molecular Formula | C27H36Br2 |
| Molecular Weight | 520.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2,7-Dibromo-9,9-diheptyl-9H-fluorene (C27H36Br2) contains bromine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 520.38 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
2,7-Dibromo-9,9-diheptyl-9H-fluorene (CAS 794548-76-8), molecular formula C27H36Br2 and molecular weight 520.38 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.
CATO manufactures 2,7-Dibromo-9,9-diheptyl-9H-fluorene under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C27H36Br2 |
| Molecular Weight | 520.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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.) | 1986 |
| Halogen Content | Br-containing |
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Recommended Standards
- 2,7-Bis(bromomethyl)-9,9-dihexyl-9H-fluorene (CAS 187148-75-0)
- Estramustinephosphate (CAS 4891-15-0)
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- KL002 (CAS 439141-72-7)
- 4-Amino-3-methyl-2-sulfanylidene-2,3-dihydro-1,3-thiazole-5-carboxamide (CAS 124724-65-8)
- 2-Isopropyl-5-methyl-1H-imidazole (CAS 37455-58-6)
- Methyl 2-(3-chloropyridin-2-yl)-5-methyl-2H-1,2,3-triazole-4-carboxylate (CAS 1779132-34-1)
- 1,2,3,4,5,6-Hexahydro-[2,4]bipyridinyl-5-carboxylic acid(tetrahydro-furan-2-ylmethyl)-amide hydrochloride (CAS 1361115-88-9)
- CAS 2315262-32-7 (CAS 2315262-32-7)
- Butyl 3-mercaptopropionate (CAS 16215-21-7)
- 4-(2-Hydroxy-3-methoxypropyl)thiomorpholine-3-carboxylic acid (CAS 1543419-45-9)
- (2,5-Dimethyl-1-(4-phenoxyphenyl)-1h-pyrrol-3-yl)methanamine (CAS 1177306-77-2)
- 1,1,1-Trifluoro-2-methyl-2-propylamine (CAS 812-18-0)
- D-Ser39-Tirzepatide (CAS CATO-CPTD788679)
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