9-Oxo-9H-fluorene-2,7-dicarboxylic acid CAS 792-26-7
| CAS No. | 792-26-7 |
| Molecular Formula | C15H8O5 |
| Molecular Weight | 268.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 9-Oxo-9H-fluorene-2,7-dicarboxylic acid.
CATO supplies 9-Oxo-9H-fluorene-2,7-dicarboxylic acid (CAS 792-26-7), a certified reference material (molecular formula C15H8O5, MW 268.22 g/mol) for analytical method development and quality control.
Based on its molecular formula C15H8O5, 9-Oxo-9H-fluorene-2,7-dicarboxylic acid 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 268.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), 9-Oxo-9H-fluorene-2,7-dicarboxylic acid 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 | C15H8O5 |
| Molecular Weight | 268.22 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
- 9-Oxo-9H-fluorene-2,6-dicarboxylic acid (CAS 60505-55-7)
- Coumestrol (CAS 479-13-0)
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- tert-Butyl 5-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-1-carboxylate (CAS 2083593-27-3)
- 2-{5-[3-(trifluoromethyl)phenyl]-1,2,4-oxadiazol-3-yl}pyridine (CAS 327056-10-0)
- N-methyl-2,3-dihydro-1H-indene-1-carboxamide (CAS 132896-12-9)
- Semaglutide impurity 54 (CAS CATO-C4X-222654)
Why CATO?
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