2,2-Difluoro-1-(3-fluoro-4-methylphenyl)ethan-1-one CAS 1352217-39-0
| CAS No. | 1352217-39-0 |
| Molecular Formula | C9H7F3O |
| Molecular Weight | 188.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,2-Difluoro-1-(3-fluoro-4-methylphenyl)ethan-1-one (CAS 1352217-39-0) is a high-purity analytical reference standard with the molecular formula C9H7F3O and a molecular weight of 188.15 g/mol.
Owing to a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system, 2,2-Difluoro-1-(3-fluoro-4-methylphenyl)ethan-1-one is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 188.15 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2,2-Difluoro-1-(3-fluoro-4-methylphenyl)ethan-1-one 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 | C9H7F3O |
| Molecular Weight | 188.15 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
Related Difluoro Standards
- 1,1-Difluoro-3-(4-fluorophenyl)propan-2-one (CAS 1183132-63-9)
- 2,2-Difluoro-1-(5-fluoro-2-methylphenyl)ethan-1-one (CAS 1352205-82-3)
- 2,2-Difluoro-1-(4-fluoro-3-methylphenyl)ethan-1-one (CAS 1352209-09-6)
- 2,2-Difluoro-1-(3-fluoro-5-methylphenyl)ethan-1-one (CAS 1352215-18-9)
- 2,2-Difluoro-1-(4-fluoro-2-methylphenyl)ethan-1-one (CAS 1352217-67-4)
- 3,5-Difluoro-2-(1-fluoroethyl)benzaldehyde (CAS 2755372-61-1)
- 1,1-Difluoro-4-trifluoromethyl-cyclohexane (CAS 1416351-96-6)
- 2-(2,6-Difluoro-4-methoxyphenyl)ethan-1-ol (CAS 1000550-08-2)
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