3-Hydroxy-2-(2-hydroxyphenyl)-4H-1-benzopyran-4-one CAS 6068-76-4
| CAS No. | 6068-76-4 |
| Molecular Formula | C15H10O4 |
| Molecular Weight | 254.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 254.24 g/mol gives 3-Hydroxy-2-(2-hydroxyphenyl)-4H-1-benzopyran-4-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Hydroxy-2-(2-hydroxyphenyl)-4H-1-benzopyran-4-one (CAS 6068-76-4), molecular formula C15H10O4 and molecular weight 254.24 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, a hydroxyl group, an ether linkage, 3-Hydroxy-2-(2-hydroxyphenyl)-4H-1-benzopyran-4-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 254.24 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C15H10O4 |
| Molecular Weight | 254.24 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 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.) | 1958 |
Related Hydroxy Standards
- 7-Hydroxy-2-(3-hydroxyphenyl)-4H-chromen-4-one (CAS 108238-40-0)
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- (Z)-5-Hydroxy-2-(2-hydroxybenzylidene)benzofuran-3(2H)-one (CAS 1234351-46-2)
- 3-(5-Hydroxy-1H-indazol-1-yl)benzoic acid (CAS 1505748-16-2)
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- 1-Hydroxy-2-methoxyanthracene-9,10-dione (CAS 6003-11-8)
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Recommended Standards
- 3,9-Dihydroxypterocarp-6a-en (CAS 67685-22-7)
- 3-Methyl-1-(pyridin-2-yl)-1h-pyrazolo[3,4-b]pyridine-5-carboxylic acid (CAS 926260-09-5)
- 3,5-Dihydroxy-2-phenyl-4H-chromen-4-one (CAS 6665-69-6)
- 3-Methyl-5-nitro-1-phenyl-1h-pyrazolo[3,4-b]pyridine (CAS 98157-52-9)
- (9,10-Dihydro-9,10-ethanoanthracen-11-yl)methanamine hydrochloride (CAS 6275-73-6)
- 1-[(1H-Pyrazol-1-yl)methyl]cyclohexan-1-ol (CAS 1496253-76-9)
- 3-methyl-1-[(oxolan-2-yl)methyl]piperidin-4-one (CAS 1248126-60-4)
- 6-(Isopropylthio)-9-propyl-9H-purin-2-amine (CAS 56964-86-4)
- Domperidone Impurity 30 (CAS CATO-C4X-142030)
- 2-(P-tolyl)propan-1-ol (CAS 4371-50-0)
- 2,6-Bis(4-(1H-imidazol-1-yl)phenyl)-4-phenylpyridine (CAS 2089602-59-3)
- Baxdrostat Impurity 7 (CAS 3059713-66-2)
- 8-Bromo-6-chloroimidazo[1,2-a]pyridine-2-carbohydrazide (CAS 1031927-18-0)
- Liraglutide Impurity 18 TFA Salt (CAS CATO-C4X-199218)
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