4,4'-(((2,5-Diiodo-1,4-phenylene)bis(oxy))bis(methylene))bis(2,2-dimethyl-1,3-dioxolane) CAS 1956324-79-0
| CAS No. | 1956324-79-0 |
| Molecular Formula | C18H24I2O6 |
| Molecular Weight | 590.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4,4'-(((2,5-Diiodo-1,4-phenylene)bis(oxy))bis(methylene))bis(2,2-dimethyl-1,3-dioxolane) (CAS 1956324-79-0), molecular formula C18H24I2O6 and molecular weight 590.19 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H24I2O6, 4,4'-(((2,5-Diiodo-1,4-phenylene)bis(oxy))bis(methylene))bis(2,2-dimethyl-1,3-dioxolane) contains a steroid core, a hydroxyl group, an ether linkage, iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 590.19 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.
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 | C18H24I2O6 |
| Molecular Weight | 590.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | I-containing |
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Recommended Standards
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- 6-Methyl-1,2,3,4-tetrahydro-1,5-naphthyridine (CAS 1314926-77-6)
- D-[Asp]9-Semaglutide (CAS CATO-CPTD788631)
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