2-(6-Methyl-4-oxo-2-phenyl-4H-chromen-8-yl)acetic acid CAS 87626-74-2
| CAS No. | 87626-74-2 |
| Molecular Formula | C18H14O4 |
| Molecular Weight | 294.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 294.30 g/mol gives 2-(6-Methyl-4-oxo-2-phenyl-4H-chromen-8-yl)acetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(6-Methyl-4-oxo-2-phenyl-4H-chromen-8-yl)acetic acid (CAS 87626-74-2) is a high-purity analytical reference standard with the molecular formula C18H14O4 and a molecular weight of 294.30 g/mol.
2-(6-Methyl-4-oxo-2-phenyl-4H-chromen-8-yl)acetic acid (C18H14O4) contains a flavonoid core, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C18H14O4 |
| Molecular Weight | 294.30 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
Recommended Standards
- 2-(5-Phenyl-1,3,4-oxadiazol-2-yl)ethyl benzoate (CAS 56894-57-6)
- 2-(Piperidin-1-yl)-N-(5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl)acetamide (CAS 221647-49-0)
- 2-(5-(3,5-Dimethylphenyl)-1,3,4-oxadiazol-2-yl)benzoic acid (CAS 56894-47-4)
- 2,2'-(Anthracene-9,10-diyl)diacetic acid (CAS 25178-60-3)
- N-[4-(Acetylamino)phenyl]-2-chloro-2-phenylacetamide (CAS 1094449-04-3)
- Methyl 6-(azidomethyl)nicotinate (CAS 384831-56-5)
- 3-Methylpiperidine-1-carboximidamide sulfate (CAS 1078161-65-5)
- tert-Butyl 6-((4-isopropoxyphenyl)carbamoyl)-2-azabicyclo[2.2.2]octane-2-carboxylate (CAS 1178881-82-7)
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