7-Hydroxy-3-(4’-methoxyphenyl)-4-phenylcoumarin CAS 1508-90-3
| CAS No. | 1508-90-3 |
| Molecular Formula | C22H16O4 |
| Molecular Weight | 344.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 7-Hydroxy-3-(4’-methoxyphenyl)-4-phenylcoumarin 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.
CATO supplies 7-Hydroxy-3-(4’-methoxyphenyl)-4-phenylcoumarin (CAS 1508-90-3), a certified reference material (molecular formula C22H16O4, MW 344.36 g/mol) for analytical method development and quality control.
Structurally, 7-Hydroxy-3-(4’-methoxyphenyl)-4-phenylcoumarin (C22H16O4) contains a flavonoid core, a hydroxyl group, an ether linkage. 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 344.36 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).
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.
Physical & Chemical Properties
| Molecular Formula | C22H16O4 |
| Molecular Weight | 344.36 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Hydroxy Standards
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- Methyl 2-hydroxy-4-(trifluoromethyl)pyrimidine-5-carboxylate (CAS 886212-78-8)
- (5S,8s)-2-azaspiro[4.5]Decan-8-ol (CAS 1932267-88-3)
- Methyl 4-(2-Aminoethoxy)benzoate Hydrochloride (CAS 210113-85-2)
- 6-(3-Amino-4-methyl-1h-pyrazol-1-yl)pyridine-3-carbonitrile (CAS 1339553-89-7)
- Propargyl-PEG4-Sulfone-PEG4-Boc (CAS 2055024-43-4)
- 3,4-Bis(phenylmethoxy)-benzoic Acid (CAS 1570-05-4)
- Ezetimibe Impurity 56 (CAS 371-40-4)
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