4-(tert-Butyl)-3,5-difluorophenol CAS 910486-78-1
| CAS No. | 910486-78-1 |
| Molecular Formula | C10H12F2O |
| Molecular Weight | 186.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(tert-Butyl)-3,5-difluorophenol (CAS 910486-78-1) is a high-purity analytical reference standard with the molecular formula C10H12F2O and a molecular weight of 186.20 g/mol.
Structurally, 4-(tert-Butyl)-3,5-difluorophenol (C10H12F2O) contains a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 186.20 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
As a certified reference material (CRM), 4-(tert-Butyl)-3,5-difluorophenol meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C10H12F2O |
| Molecular Weight | 186.20 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
Recommended Standards
- 4-(2,3-Difluorophenyl)butan-1-ol (CAS 939043-51-3)
- 4-Ethenylbenzene-1-sulfonyl fluoride (CAS 705-33-9)
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- 4-Fluoro-1,3-dihydrobenzo[c]thiophene 2,2-dioxide (CAS 58325-16-9)
- Ethyl 3-(benzo[d]thiazol-2-yl)-2-oxopropanoate (CAS 66904-39-0)
- 3-Chloro-5-methylisothiazole (CAS 14217-67-5)
- 3-(Bromodifluoromethyl)-5-methyl-1H-pyrazole (CAS 1884457-49-1)
- 4-(2-Methoxy-ethyl)-3-pyrrolidin-2-yl-4H-[1,2,4]triazole dihydrochloride (CAS 1361116-46-2)
- 2-[3-(trifluoromethyl)cyclobutyl]acetaldehyde (CAS 1934613-98-5)
- 2-(2-Methoxy-5-nitrophenoxy)ethan-1-amine (CAS 170229-76-2)
- 5-Chloro-4-nitro-2-(trifluoromethyl)phenol (CAS 2387068-52-0)
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