(R)-2,2-Difluoro-1-phenylethan-1-ol CAS 82255-42-3
| CAS No. | 82255-42-3 |
| Molecular Formula | C8H8F2O |
| Molecular Weight | 158.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 158.15 g/mol gives (R)-2,2-Difluoro-1-phenylethan-1-ol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(R)-2,2-Difluoro-1-phenylethan-1-ol (CAS 82255-42-3) is a high-purity analytical reference standard with the molecular formula C8H8F2O and a molecular weight of 158.15 g/mol.
Owing to a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system, (R)-2,2-Difluoro-1-phenylethan-1-ol is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 158.15 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (R)-2,2-Difluoro-1-phenylethan-1-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 | C8H8F2O |
| Molecular Weight | 158.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1980 |
| Halogen Content | F-containing |
Related R Standards
- 1,3-Difluoro-2-(methoxymethyl)benzene (CAS 110213-71-3)
- (1s)-2,2-Difluoro-1-phenylethan-1-ol (CAS 123986-75-4)
- 5,6-Difluoro-N1-methylbenzene-1,2-diamine (CAS 1248508-73-7)
- 3,5-Difluoro-4-methylanisole (CAS 1261478-94-7)
- 1,4-Difluoro-2-methoxy-5-methylbenzene (CAS 1261760-78-4)
- 2,2-Difluoro-2-phenylethanol (CAS 129973-51-9)
- (4,5-Difluoro-2-methylphenyl)methanol (CAS 1378624-91-9)
- (3,5-Difluoro-2-methylphenyl)methanol (CAS 1378666-27-3)
Recommended Standards
- (R)-1-(3,5-Difluorophenyl)ethan-1-ol (CAS 433228-88-7)
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- (E)-6-Methoxy-6-oxohex-4-enoic acid (CAS 86606-07-7)
- (R)-2-Ethyl-3-oxotetrahydrofuran-2-carboxylic acid (CAS 361460-19-7)
- 2-(Dimethylamino)-2-(p-tolyl)acetic acid (CAS 230646-18-1)
- Methyl 2-bromo-3-chloroisonicotinate (CAS 1214351-13-9)
- 5-((Allylthio)methyl)isoxazol-3(2H)-one (CAS 89660-70-8)
- N-Demethyl Mifepristone-d3 (CAS CATO-C4X-12165)
- 2-isocyanato-1,1'-biphenyl (CAS 17337-13-2)
- 5-Chloro-2,4-difluoropyrimidine (CAS 25151-07-9)
- Cefoperazone Impurity 30 (CAS CATO-C4X-114930)
- 1-(2,4-Dimethoxypyrimidin-5-yl)-3-(2-ethylphenyl)urea (CAS 1797253-21-4)
- 3'-(Pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-3-ol (CAS 1261999-62-5)
- (Leu31,Pro34)-Peptide YY (human) trifluoroacetate salt (CAS 179986-95-9)
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