3',6'-Dihydroxy-4,5-diiodo-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one CAS 31395-16-1
| CAS No. | 31395-16-1 |
| Molecular Formula | C20H10I2O5 |
| Molecular Weight | 584.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C20H10I2O5, 3',6'-Dihydroxy-4,5-diiodo-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one contains a flavonoid core, a hydroxyl group, an ether linkage, iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 584.10 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 3',6'-Dihydroxy-4,5-diiodo-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one (CAS 31395-16-1), a certified reference material (molecular formula C20H10I2O5, MW 584.10 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3',6'-Dihydroxy-4,5-diiodo-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H10I2O5 |
| Molecular Weight | 584.10 g/mol |
| Appearance | Pale yellow to 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | I-containing |
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