Gadolinium(iii) acetylacetonate hydrate CAS 22498-65-3
| CAS No. | 22498-65-3 |
| Molecular Formula | C15H21GdO6 |
| Molecular Weight | 454.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, Gadolinium(iii) acetylacetonate hydrate is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 454.57 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).
Gadolinium(iii) acetylacetonate hydrate (CAS 22498-65-3), molecular formula C15H21GdO6 and molecular weight 454.57 g/mol, is a CATO reference standard with documented purity and traceability.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C15H21GdO6 |
| Molecular Weight | 454.57 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
Related Gadolinium Standards
- Gadolinium carbonate, 99.99% (CAS 38245-36-2)
- Gadolinium(III) bromide (CAS 13818-75-2)
- Gadolinium(III) iodide (CAS 13572-98-0)
- Gadolinium(III) oxide (CAS 12064-62-9)
- Gadolinium nitrate hydrate, 99.99% (CAS 10168-81-7)
- Gadolinium(III) isopropoxide (CAS 14532-05-9)
- Gadolinium(III) sulfate (CAS 13628-54-1)
- Gadolinium(III) chloride solution (CAS 10138-52-0)
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