2,5-dichlorophenol-cp std CAS 583-78-8
| CAS No. | 583-78-8 |
| Molecular Formula | C6H4Cl2O |
| Molecular Weight | 163.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2,5-dichlorophenol-cp std.
2,5-dichlorophenol-cp std (CAS 583-78-8), molecular formula C6H4Cl2O and molecular weight 163.00 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 2,5-dichlorophenol-cp std (C6H4Cl2O) is characterized by a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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), 2,5-dichlorophenol-cp std 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 | C6H4Cl2O |
| Molecular Weight | 163.00 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| 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.) | 1957 |
| Halogen Content | Cl-containing |
Related dichlorophenol Standards
- 2,4-dichlorophenol-cp std (CAS 120-83-2)
- 2,3-Dichlorophenol (CAS 576-24-9)
- 3,4-Dichlorophenol (CAS 95-77-2)
- 3,5-Dichlorophenol (CAS 591-35-5)
- 2,5-Dichlorophenol-3,4,6-d3 (CAS 1219803-68-5)
- 2,4-Dichlorophenol D3 (3,5,6 D3) (CAS 93951-74-7)
- 2,4-Dichlorophenol D4 (CAS 202656-12-0)
- 2,4-Dichlorophenol-13C6 (CAS 1202864-83-2)
Recommended Standards
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- Methyl 2-chloro-5-formylbenzoate (CAS 199679-23-7)
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- 2-(Dimethyl-1,3-thiazol-5-yl)ethan-1-amine (CAS 142437-68-1)
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