2,5-Dichloro-3'-(difluoromethoxy)-1,1'-biphenyl CAS 1361725-62-3
| CAS No. | 1361725-62-3 |
| Molecular Formula | C13H8Cl2F2O |
| Molecular Weight | 289.10 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.
2,5-Dichloro-3'-(difluoromethoxy)-1,1'-biphenyl (CAS 1361725-62-3), molecular formula C13H8Cl2F2O and molecular weight 289.10 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2,5-Dichloro-3'-(difluoromethoxy)-1,1'-biphenyl (C13H8Cl2F2O) contains a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 289.10 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2,5-Dichloro-3'-(difluoromethoxy)-1,1'-biphenyl 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 | C13H8Cl2F2O |
| Molecular Weight | 289.10 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F/Cl-containing |
Related Dichloro Standards
- (2,6-Dichloro-2,4-difluoro-[1,1-biphenyl]-4-yl)methanol (CAS 1350760-19-8)
- 2,5-Dichloro-2'-(difluoromethoxy)-1,1'-biphenyl (CAS 1361476-38-1)
- 2,4-Dichloro-4'-(difluoromethoxy)-1,1'-biphenyl (CAS 1361682-76-9)
- 2,6-Dichloro-2'-(difluoromethoxy)-1,1'-biphenyl (CAS 1361768-84-4)
- 2,6-Dichloro-3'-(difluoromethoxy)-1,1'-biphenyl (CAS 1361777-05-0)
- 2,4-DICHLORO-5,6,7-TRIMETHOXYQUINAZOLINE (CAS 61948-64-9)
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Recommended Standards
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- 6-(4-Bromophenyl)-2-hydroxypyridine-3-carbonitrile (CAS 149557-07-3)
- 1-(2-(Ethylamino)-2-oxoethyl)-1H-pyrrole-3-carboxylic acid (CAS 1519392-21-2)
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