6,6'-dihydroxy-4,4,4',4',7,7'-hexamethyl-2,2'-spirobichroman, 2-propanol adduct CAS 40278-59-9
| CAS No. | 40278-59-9 |
| Molecular Formula | C23H28O4 |
| Molecular Weight | 368.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C23H28O4, 6,6'-dihydroxy-4,4,4',4',7,7'-hexamethyl-2,2'-spirobichroman, 2-propanol adduct contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 368.47 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
6,6'-dihydroxy-4,4,4',4',7,7'-hexamethyl-2,2'-spirobichroman, 2-propanol adduct (CAS 40278-59-9), molecular formula C23H28O4 and molecular weight 368.47 g/mol, is a CATO reference standard with documented purity and traceability.
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), 6,6'-dihydroxy-4,4,4',4',7,7'-hexamethyl-2,2'-spirobichroman, 2-propanol adduct 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 | C23H28O4 |
| Molecular Weight | 368.47 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
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- 5-Chlorothiophene-2-sulfinic acid (CAS 126714-86-1)
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- D-Ala21-Tirzepatide (CAS CATO-CPTD788913)
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