5-Ethyl-6-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)naphthalen-2-ol CAS 2763159-04-0
| CAS No. | 2763159-04-0 |
| Molecular Formula | C18H22BFO3 |
| Molecular Weight | 316.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 316.17 g/mol gives 5-Ethyl-6-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)naphthalen-2-ol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Ethyl-6-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)naphthalen-2-ol (CAS 2763159-04-0), molecular formula C18H22BFO3 and molecular weight 316.17 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-Ethyl-6-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)naphthalen-2-ol (C18H22BFO3) contains a steroid core, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.5, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 316.17 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 5-Ethyl-6-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)naphthalen-2-ol 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 | C18H22BFO3 |
| Molecular Weight | 316.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Halogen Content | F-containing |
Related Ethyl Standards
- 5-Ethyl-1-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)naphthalen-2-ol (CAS 2763158-74-1)
- 1-(3-Fluoro-2-methylbenzyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1604036-88-5)
- 1-(4-Fluoro-2-methylbenzyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1604036-89-6)
- 1-(2-Fluoro-3-methylbenzyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1604036-95-4)
- (2-Fluoro-4-methyl-5-((4-methylpiperazin-1-yl)sulfonyl)phenyl)boronic acid (CAS 1704121-45-8)
- 2-Ethyl-3-fluoro-5-iodoquinolin-6-amine (CAS 2758535-05-4)
- Ethyl 1-(2-fluoro-5-(trifluoromethyl)benzyl)-1H-imidazole-4-carboxylate (CAS 1260789-05-6)
- 3-Fluoro-4-(4-iodo-1h-pyrazol-1-yl)benzaldehyde (CAS 1338981-07-9)
Recommended Standards
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- 3-(4-Bromophenyl)-5-(ethylsulfonyl)-1H-1,2,4-triazole (CAS 924663-94-5)
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