2-(3,7-Dihydroxy-dibenzo[b,f][1,4]oxazepin-11-yl)-benzoic acid CAS 13606-02-5
| CAS No. | 13606-02-5 |
| Molecular Formula | C20H13NO5 |
| Molecular Weight | 347.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-(3,7-Dihydroxy-dibenzo[b,f][1,4]oxazepin-11-yl)-benzoic acid is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-(3,7-Dihydroxy-dibenzo[b,f][1,4]oxazepin-11-yl)-benzoic acid (CAS 13606-02-5), molecular formula C20H13NO5 and molecular weight 347.32 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H13NO5, 2-(3,7-Dihydroxy-dibenzo[b,f][1,4]oxazepin-11-yl)-benzoic acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 347.32 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), 2-(3,7-Dihydroxy-dibenzo[b,f][1,4]oxazepin-11-yl)-benzoic 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 | C20H13NO5 |
| Molecular Weight | 347.32 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Nitrogen Atoms | 1 |
Related Dihydroxy Standards
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Recommended Standards
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- DIDEMETHYLSIMMONDSIN, 4,5- (CAS 135074-86-1)
- (2R,3R,4S,5S,6S)-2-(Acetoxymethyl)-6-aminotetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 1453084-80-4)
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- 2-Methoxy-3-methyl acetophenone, 98% (CAS 6342-75-2)
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- Sodium 2,5-dichlorobenzenesulfinate (CAS 38945-00-5)
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- 5-Iodo-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine (CAS 913983-21-8)
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