3-Hydroxy-2,2',4',5,5'-pentachlorobiphenyl CAS 69278-58-6
| CAS No. | 69278-58-6 |
| Molecular Formula | C12H5Cl5O |
| Molecular Weight | 342.43 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.
CATO supplies 3-Hydroxy-2,2',4',5,5'-pentachlorobiphenyl (CAS 69278-58-6), a certified reference material (molecular formula C12H5Cl5O, MW 342.43 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H5Cl5O, 3-Hydroxy-2,2',4',5,5'-pentachlorobiphenyl contains a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 342.43 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.
As a certified reference material (CRM), 3-Hydroxy-2,2',4',5,5'-pentachlorobiphenyl 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 | C12H5Cl5O |
| Molecular Weight | 342.43 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 |
| 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.) | 1976 |
| Halogen Content | Cl-containing |
Related Hydroxy Standards
- 4-Hydroxy-2',3,3',4',5'-pentachlorobiphenyl (CAS 192190-09-3)
- (2-Hydroxy-4-(octyloxy)phenyl)(2-hydroxyphenyl)methanone (CAS 85-24-5)
- 2-Hydroxy-2',3',4',5,5'-pentachlorobiphenyl (CAS 67651-36-9)
- 1-(4-Hydroxy-3-methoxyphenyl)-7-(4-hydroxyphenyl)heptane-3,5-dione (CAS 149579-07-7)
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- 5-Hydroxy-4-(4-((phenylamino)methyl)phenyl)isoquinolin-1(2H)-one (CAS 651029-40-2)
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Recommended Standards
- 3-Methylphenanthro[3,4-C]phenanthrene (CAS 83844-21-7)
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- 4-(4-(4-(tert-Butyl)phenyl)-2-hydroxybutoxy)benzoic acid (CAS 96609-16-4)
- 2,3-Dinor Thromboxane B2 (CAS 63250-09-9)
- Methyl 1-(3-isopentylureido)cyclohexane-1-carboxylate (CAS 1435804-04-8)
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- 4-(1,3-Dioxaindan-5-yl)-3-cyclobutyl-1,2-oxazol-5-amine (CAS 1097012-01-5)
- 2-(trifluoromethyl)-3,4-dihydropyrimidin-4-one (CAS 1546-80-1)
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