Hydroxy[2-(hydroxy-κO)-4-hydroxybenzoato-κO]copper CAS 69868-09-3
| CAS No. | 69868-09-3 |
| Molecular Formula | C7H6CuO5 |
| Molecular Weight | 233.67 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 Hydroxy[2-(hydroxy-κO)-4-hydroxybenzoato-κO]copper.
Hydroxy[2-(hydroxy-κO)-4-hydroxybenzoato-κO]copper (CAS 69868-09-3) is a high-purity analytical reference standard with the molecular formula C7H6CuO5 and a molecular weight of 233.67 g/mol.
Hydroxy[2-(hydroxy-κO)-4-hydroxybenzoato-κO]copper (C7H6CuO5) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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), Hydroxy[2-(hydroxy-κO)-4-hydroxybenzoato-κO]copper 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 | C7H6CuO5 |
| Molecular Weight | 233.67 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
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