(8R,9S,10R,11S)-rel-8,9,10,11-Tetrahydrobenz[a]anthracene-8,9,10,11-tetrol CAS 78185-86-1
| CAS No. | 78185-86-1 |
| Molecular Formula | C18H16O4 |
| Molecular Weight | 296.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(8R,9S,10R,11S)-rel-8,9,10,11-Tetrahydrobenz[a]anthracene-8,9,10,11-tetrol (CAS 78185-86-1), molecular formula C18H16O4 and molecular weight 296.32 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H16O4, (8R,9S,10R,11S)-rel-8,9,10,11-Tetrahydrobenz[a]anthracene-8,9,10,11-tetrol 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 296.32 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), (8R,9S,10R,11S)-rel-8,9,10,11-Tetrahydrobenz[a]anthracene-8,9,10,11-tetrol 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 | C18H16O4 |
| Molecular Weight | 296.32 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
Recommended Standards
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