744209-76-5 5-Hydroxy-2-(3,4,5-trihydroxyphenyl)-4H-1-benzopyran-4-one DTXSID90591275 CAS 744209-76-5
| CAS No. | 744209-76-5 |
| Molecular Formula | C15H10O6 |
| Molecular Weight | 286.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
744209-76-5 5-Hydroxy-2-(3,4,5-trihydroxyphenyl)-4H-1-benzopyran-4-one DTXSID90591275 (CAS 744209-76-5), molecular formula C15H10O6 and molecular weight 286.24 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 744209-76-5 5-Hydroxy-2-(3,4,5-trihydroxyphenyl)-4H-1-benzopyran-4-one DTXSID90591275 (C15H10O6) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 286.24 g/mol, it falls into the medium-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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 744209-76-5 5-Hydroxy-2-(3,4,5-trihydroxyphenyl)-4H-1-benzopyran-4-one DTXSID90591275 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 | C15H10O6 |
| Molecular Weight | 286.24 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
Related Hydroxy Standards
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- 4-Hydroxy-Teriflunomide (CAS 1058722-45-4)
- 5-Hydroxy Leflunomide (Metabolite M2) (CAS 1058722-46-5)
- Ethyl 4-hydroxy-7-(trifluoromethyl)-1,8-naphthyridine-3-carboxylate (CAS 151099-11-5)
- 4-Hydroxy-1-[2-(trifluoromethyl)phenyl]-1h-pyrazole-3-carbohydrazide (CAS 957014-21-0)
- 4-Hydroxy-1-(quinoline-2-carbonyl)pyrrolidine-2-carboxylic acid, mixture of diastereomers (CAS 1046123-34-5)
- Ethyl 4-hydroxy-7-methyl-2-oxo-1-(prop-2-yn-1-yl)-1,2-dihydro-1,8-naphthyridine-3-carboxylate (CAS 1253791-04-6)
Recommended Standards
- (2Z)-2-[(3,4-dihydroxyphenyl)methylidene]-4,6-dihydroxy-1-benzofuran-3(2H)-one 38216-54-5 CHEBI:18149 aureusidin (CAS 38216-54-5)
- Nafamostat Impurity N3 (CAS 115325-88-7)
- N-(benzo[d][1,3]dioxol-5-yl)-2-nitrobenzamide (CAS 420813-90-7)
- Norartocarpetin (CAS 520-30-9)
- 2-((4-Fluorophenyl)amino)-3-methylbutanoic acid (CAS 69410-25-9)
- 4-(4-Nitrophenyl)but-3-yn-2-ol (CAS 111887-20-8)
- N-(4-bromo-8-nitronaphthalen-1-yl)acetamide (CAS 92025-28-0)
- 3-(((2-Fluorophenyl)sulfonyl)methyl)pyridine (CAS 1325303-81-8)
- N-(5-(Butylthio)-1,3,4-thiadiazol-2-yl)-3-methoxy-1-methyl-1H-pyrazole-4-carboxamide (CAS 1172700-72-9)
- 2-AMINO-3-CYANO-5-METHYLPYRAZINE 1-OXIDE (CAS 19994-56-0)
- 6-Cyclobutoxypyrimidin-4(3H)-one (CAS 1693971-74-2)
- 4-((5-Hydroxypentyl)oxy)phenol (CAS 1248299-82-2)
- 3-Propyl-1-(propylthio)cyclobutane-1-carboxylic acid (CAS 1484519-10-9)
- β-Bag Cell Peptide (Aplysia californica) (CAS 109024-47-7)
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