2,2',3,3',5,5',6,6'-Octafluoro-[1,1'-biphenyl]-4,4'-diol hydrate CAS 205926-99-4
| CAS No. | 205926-99-4 |
| Molecular Formula | C12H2F8O2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2,2',3,3',5,5',6,6'-Octafluoro-[1,1'-biphenyl]-4,4'-diol hydrate 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.
2,2',3,3',5,5',6,6'-Octafluoro-[1,1'-biphenyl]-4,4'-diol hydrate (CAS 205926-99-4) is a high-purity analytical reference standard with the molecular formula C12H2F8O2H2O and a molecular weight of 348.15 g/mol.
Based on its molecular formula C12H2F8O2H2O, 2,2',3,3',5,5',6,6'-Octafluoro-[1,1'-biphenyl]-4,4'-diol hydrate contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 348.15 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.
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.
Physical & Chemical Properties
| Molecular Formula | C12H2F8O2 H2O |
| Molecular Weight | 348.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2015 |
| Halogen Content | F-containing |
Related Octafluoro Standards
- 4,4,5,5,6,6,7,7-octafluoro-3-hydroxy-1-phenylheptan-1-one (CAS 105602-61-7)
- 1,2,3,4,5,6,7,8-Octafluoro-9,10-bis[2-(2,4,6-trimethylphenyl)ethynyl]anthracene (CAS 1067426-46-3)
- 4,4,5,5,6,6,7,7-octafluoro-1-phenylhept-2-en-1-one (CAS 110960-48-0)
- (E)-1,1,2,3,4,5,5,5-octafluoro-1-iodo-4-(trifluoromethyl)pent-2-ene (CAS 120695-78-5)
- 2,3,7,8,12,13,17,18-Octafluoro-5,10,15,20-tetrakis(pentafluorophenyl)porphyrin (CAS 121399-88-0)
- Octafluoro-1-methoxyprop-1-ene (CAS 137741-09-4)
- (2E)-1,1,1,2,3,4,4,4-Octafluoro-2-butene (CAS 1516-64-9)
- 4,4,5,5,6,7,7,7-Octafluoro-2-hydroxy-6-(trifluoromethyl)heptyl acrylate (CAS 16083-76-4)
Recommended Standards
- N-(3,4-Dimethoxyphenethyl)quinazolin-4-amine (CAS 70138-18-0)
- 3-Methyl-2-oxo-2,3-dihydro-1h-indole-5-carboxylic acid (CAS 167627-06-7)
- 2-Chloro-6-(difluoromethyl)-5-(hydroxymethyl)nicotinonitrile (CAS 1805051-57-3)
- 5-Carbamoyl-6-chloropyridine-2-carboxylic acid (CAS 1312772-66-9)
- 6-Chloro-2-hexanone (CAS 10226-30-9)
- Methyl 2-methylpiperidine-2-carboxylate hydrochloride (CAS 72540-77-3)
- 2,3,4,4',5-Pentabromobiphenyl (CAS 96551-70-1)
- 2-{[(3-nitrophenyl)carbamoyl]amino}acetic acid (CAS 67513-14-8)
- 2,3-Dihydroindolizine-5(1H)-thione (CAS 113885-14-6)
- Liraglutide Impurity 20 TFA Salt (CAS CATO-C4X-199220)
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