6-Bromo-2,2-diethyl-3,4-dihydronaphthalen-1(2H)-one CAS 149456-23-5
| CAS No. | 149456-23-5 |
| Molecular Formula | C14H17BrO |
| Molecular Weight | 281.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 6-Bromo-2,2-diethyl-3,4-dihydronaphthalen-1(2H)-one (CAS 149456-23-5), a certified reference material (molecular formula C14H17BrO, MW 281.19 g/mol) for analytical method development and quality control.
The molecular framework of 6-Bromo-2,2-diethyl-3,4-dihydronaphthalen-1(2H)-one (C14H17BrO) is characterized by a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 | C14H17BrO |
| Molecular Weight | 281.19 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 tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | Br-containing |
Related Bromo Standards
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- 2-Bromo-5-(cyclopropylmethylsulfonyl)thiophene (CAS 1253791-36-4)
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Recommended Standards
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- 5-(Benzylthio)-1H-1,2,4-triazole-3(2H)-thione (CAS 112729-17-6)
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