3-(2,5,7-Tribromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid CAS 93798-31-3
| CAS No. | 93798-31-3 |
| Molecular Formula | C20H9Br3O5 |
| Molecular Weight | 568.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 568.99 g/mol gives 3-(2,5,7-Tribromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3-(2,5,7-Tribromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid (CAS 93798-31-3), a certified reference material (molecular formula C20H9Br3O5, MW 568.99 g/mol) for analytical method development and quality control.
Structurally, 3-(2,5,7-Tribromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid (C20H9Br3O5) contains a flavonoid core, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 568.99 g/mol, it falls into the moderately-high-molecular-weight range. 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.
CATO manufactures 3-(2,5,7-Tribromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid 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 | C20H9Br3O5 |
| Molecular Weight | 568.99 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.) | 1983 |
| Halogen Content | Br-containing |
Related Tribromo Standards
- 3,7,11-Tribromo-5,5,9,9-tetramethyl-5,9-dihydroquinolino[3,2,1-de]acridine (CAS 73183-36-5)
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- 3,4,5-Tribromo-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)benzamide (CAS 1023524-35-7)
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Why CATO?
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