1,5-bis(2-fluorophenyl)-3-methylpentane-1,5-dione CAS 2059987-08-3
| CAS No. | 2059987-08-3 |
| Molecular Formula | C18H16F2O2 |
| Molecular Weight | 302.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 302.32 g/mol gives 1,5-bis(2-fluorophenyl)-3-methylpentane-1,5-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1,5-bis(2-fluorophenyl)-3-methylpentane-1,5-dione (CAS 2059987-08-3), molecular formula C18H16F2O2 and molecular weight 302.32 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H16F2O2, 1,5-bis(2-fluorophenyl)-3-methylpentane-1,5-dione contains a steroid core, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 302.32 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C18H16F2O2 |
| Molecular Weight | 302.32 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, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | F-containing |
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Recommended Standards
- 1-(2-Hydroxy-4,6-dimethoxyphenyl)-2-(4-methoxyphenyl)ethan-1-one (CAS 39604-68-7)
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- 1-(2,6-Dihydroxy-3,4-dimethoxyphenyl)-3-phenylpropan-1-one (CAS 41997-41-5)
- 2-((5-Amino-1,3,4-thiadiazol-2-yl)thio)-N-(3,4-difluorophenyl)acetamide (CAS 799784-82-0)
- 3-Bromo-7-chloro-1-methyl-1,6-naphthyridin-2(1H)-one (CAS 1609102-13-7)
- 7-(2-Bromoethyl)-2-(furan-2-yl)-7H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-amine (CAS 377729-85-6)
- 4-(4-Isopropoxybenzoyl)quinoline (CAS 1706443-70-0)
- 2-[2-({[({[(1R,8S,9R)-bicyclo[6.1.0]non-4-yn-9-yl]methoxy}carbonyl)amino]sulfonyl}amino)ethoxy]ethyl N-{bis[2-({[(1S)-1-{[(1S)-4-(carbamoylamino)-1-({4-[({[(10S,23S)-10-ethyl-18-fluoro-10-hydroxy-19-methyl-5,9-dioxo-8-oxa-4,15-diazahexacyclo[14.7.1.0²,¹⁴.0⁴,¹³.0⁶,¹¹.0²⁰,²⁴]tetracosa-1,6(11),12,14,16,18,20(24)-heptaen-23-yl]carbamoyl}oxy)methyl]phenyl}carbamoyl)butyl]carbamoyl}-2-methylpropyl]carbamoyl}oxy)ethyl]sulfamoyl}carbamate (CAS 2765424-52-8)
- 5-(2-(4-Chloro-3,5-dimethyl-1h-pyrazol-1-yl)ethyl)-2h-tetrazole (CAS 1005566-25-5)
- 2-[4-(1-Methylethyl)phenyl4H-1-benzopyran-4-one (CAS 92831-11-3)
- (5-Bromo-6-chloro-4-trifluoromethyl-pyridin-2-yl)-butyl-amine (CAS 1089330-46-0)
- Ethyl 1-Benzylpiperidine-3-carboxylate (CAS 72551-53-2)
- 2-Bromo-N-(thiophen-2-ylmethyl)acetamide (CAS 883526-96-3)
- Cycloaspeptide D (CAS 691363-62-9)
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