5-Chloro-4'-fluoro-3'-(trifluoromethyl)-[1,1'-biphenyl]-2-ol CAS 1928702-91-3
| CAS No. | 1928702-91-3 |
| Molecular Formula | C13H7ClF4O |
| Molecular Weight | 290.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-Chloro-4'-fluoro-3'-(trifluoromethyl)-[1,1'-biphenyl]-2-ol 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.
CATO supplies 5-Chloro-4'-fluoro-3'-(trifluoromethyl)-[1,1'-biphenyl]-2-ol (CAS 1928702-91-3), a certified reference material (molecular formula C13H7ClF4O, MW 290.64 g/mol) for analytical method development and quality control.
Owing to a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system, 5-Chloro-4'-fluoro-3'-(trifluoromethyl)-[1,1'-biphenyl]-2-ol is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 290.64 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).
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 | C13H7ClF4O |
| Molecular Weight | 290.64 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.) | 1996 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- 3-Chloro-N-(4-fluorophenyl)-5-(trifluoromethyl)-2-pyridinamine (CAS 1219976-66-5)
- 2'-Chloro-4'-(difluoromethoxy)-2,3-difluoro-1,1'-biphenyl (CAS 1261573-51-6)
- 4'-Chloro-3'-(difluoromethoxy)-2,3-difluoro-1,1'-biphenyl (CAS 1261852-58-7)
- 4-Chloro-5-methoxy-3-(2,2,2-trifluoroethoxy)thiophene-2-carboxylic acid (CAS 1779123-66-8)
- 2-Chloro-5-methoxyphenyl trifluoromethanesulfonate (CAS 193353-36-5)
- 5-Chloro-4-fluoro-3'-(trifluoromethyl)-[1,1'-biphenyl]-2-ol (CAS 1963448-86-3)
- 5-Chloro-1-phenyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid (CAS 1152972-16-1)
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