(1S)-2,2',3,3'-Tetrahydro-4,4'-diiodo-1,1'-spirobi[1H-indene]-7,7'-diol CAS 833455-22-4
| CAS No. | 833455-22-4 |
| Molecular Formula | C17H14I2O2 |
| Molecular Weight | 504.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(1S)-2,2',3,3'-Tetrahydro-4,4'-diiodo-1,1'-spirobi[1H-indene]-7,7'-diol (CAS 833455-22-4), molecular formula C17H14I2O2 and molecular weight 504.10 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H14I2O2, (1S)-2,2',3,3'-Tetrahydro-4,4'-diiodo-1,1'-spirobi[1H-indene]-7,7'-diol 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 504.10 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).
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), (1S)-2,2',3,3'-Tetrahydro-4,4'-diiodo-1,1'-spirobi[1H-indene]-7,7'-diol 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 | C17H14I2O2 |
| Molecular Weight | 504.10 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 |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | I-containing |
Related S Standards
- (S)-2,2',3,3'-Tetrahydro-6,6'-diiodo-1,1'-spirobi[1H-indene]-7,7'-diol (CAS 1258326-97-4)
- (R)-2,2',3,3'-Tetrahydro-6,6'-diiodo-1,1'-spirobi[1H-indene]-7,7'-diol (CAS 1435948-36-9)
- (S)-2,2',3,3'-Tetrahydro-6,6'-di(1-naphthalenyl)-1,1'-spirobi[1H-indene]-7,7'-diol (CAS 1258327-02-4)
- (R)-2,2',3,3'-Tetrahydro-6,6'-di(1-naphthalenyl)-1,1'-spirobi[1H-indene]-7,7'-diol (CAS 1292849-40-1)
- (R)-2,2',3,3'-Tetrahydro-6,6'-di(2-naphthalenyl)-1,1'-spirobi[1H-indene]-7,7'-diol (CAS 1297613-70-7)
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Recommended Standards
- (R)-4,4'-diiodo-2,2',3,3'-tetrahydro-1,1'-spirobi[indene]-7,7'-diol (CAS 2050189-65-4)
- Perfluoro-n-octanesulfonic acid-13C4 (CAS 960354-19-2)
- Campanuline (CAS 5957-66-4)
- 3,5-Bis(nonafluorobutyl)pyrazole (CAS 1030269-32-9)
- 5-(Pyrimidin-2-ylthio)furan-2-carbaldehyde (CAS 57603-82-4)
- 2-Butyramidobenzoic acid (CAS 6328-94-5)
- 3,4,5-Trimethoxy-2-nitrobenzoic acid (CAS 66907-52-6)
- 5-bromo-3-chloro-8-methoxyisoquinoline (CAS 1696988-00-7)
- 1,2-Difluoro-4-(trichloromethyl)benzene (CAS 143726-98-1)
- 1-(But-3-yn-1-yl)piperidine-4-carbonitrile (CAS 1343445-05-5)
- 2,5-dimethyl-1-(4-methylphenyl)-1H-pyrrole-3-carboxylic acid (CAS 3807-57-6)
- S-(p-Tolyl) morpholine-4-carbothioate (CAS 883047-44-7)
- Propargyl Chloroformate (CAS 35718-08-2)
- Insulin Degludec Impurity 9 (CAS CATO-C4X-21579)
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