5-Hydroxy-2-(4-hydroxy-3-methoxyphenyl)-7-methoxy-4H-chromen-4-one CAS 25739-41-7
| CAS No. | 25739-41-7 |
| Molecular Formula | C17H14O6 |
| Molecular Weight | 314.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-Hydroxy-2-(4-hydroxy-3-methoxyphenyl)-7-methoxy-4H-chromen-4-one 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.
5-Hydroxy-2-(4-hydroxy-3-methoxyphenyl)-7-methoxy-4H-chromen-4-one (CAS 25739-41-7) is a high-purity analytical reference standard with the molecular formula C17H14O6 and a molecular weight of 314.29 g/mol.
Structurally, 5-Hydroxy-2-(4-hydroxy-3-methoxyphenyl)-7-methoxy-4H-chromen-4-one (C17H14O6) 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 314.29 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 | C17H14O6 |
| Molecular Weight | 314.29 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.) | 1964 |
Related Hydroxy Standards
- 1-(3-((2-Hydroxy-3-methoxy-5-nitrobenzylidene)amino)phenyl)ethanone (CAS 199992-27-3)
- 7-Hydroxy-2-(3-hydroxy-4-methoxyphenyl)-5-methoxy-4H-chromen-4-one (CAS 72629-61-9)
- 7-Hydroxy-3-(3-hydroxy-4-methoxyphenyl)-6-methoxy-4H-chromen-4-one (CAS 53948-00-8)
- Methyl 4-(7-hydroxy-2-methyl-4-oxo-4H-chromen-3-yl)-5-methylfuran-2-carboxylate (CAS 73868-66-3)
- 2-Hydroxy-3-(3-methyl-5-oxo-2,5-dihydro-1H-pyrazol-1-yl)-5-sulfobenzoic acid (CAS 6201-74-7)
- Ethyl (2’-Hydroxy-4’-benzyloxybenzoyl)acetate (CAS 1076198-06-5)
- Ethyl (2’-Hydroxy-3’-benzyloxybenzoyl)acetate (CAS 1796932-84-7)
- (E)-1-(2-Hydroxy-3,4,6-trimethoxyphenyl)-3-phenylprop-2-en-1-one (CAS 91856-16-5)
Recommended Standards
- 5,7-dihydroxy-6,8-dimethoxy-2-phenyl-4H-chromen-4-one (CAS 3162-45-6)
- 6-(4-Fluorobenzyl)-3-((2-fluorophenyl)amino)-1,2,4-triazin-5(4H)-one (CAS 898610-99-6)
- 5,7-Dihydroxy-3-methoxy-2-(4-methoxyphenyl)-4H-chromen-4-one (CAS 20869-95-8)
- 6-(4-Fluorobenzyl)-3-((4-fluorophenyl)amino)-1,2,4-triazin-5(4H)-one (CAS 899985-86-5)
- 2-[(Tetrahydro-furan-2-carbonyl)-amino]-benzoic acid (CAS 626218-00-6)
- 1-[2-(4-amino-3-methylphenoxy)ethyl]imidazolidin-2-one (CAS 1019386-58-3)
- 7-Chloro-5-(4-methylbenzyl)-2,3-dihydrobenzo[b][1,4]thiazepin-4(5H)-one (CAS 341967-89-3)
- 4-(4-(Tert-butyl)benzoyl)-N-((tetrahydrofuran-2-yl)methyl)-1H-pyrrole-2-carboxamide (CAS 478078-29-4)
- (2R,3R)-1-ethyl-2-(2-methoxyphenyl)-6-oxopiperidine-3-carboxylic acid (CAS 1082648-25-6)
- 4-(((4-(4-Bromophenyl)-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)methyl)benzonitrile (CAS 676332-92-6)
- 2-Chloro-5-(pyrrolidin-1-ylmethyl)pyridine dihydrochloride (CAS 1193388-62-3)
- 3-(Difluoromethyl)-5-(methylthio)-4h-1,2,4-triazol-4-amine (CAS 869942-09-6)
- 2-Hydrazinyl-4-(methoxymethyl)-6-methylpyrimidine (CAS 1114595-43-5)
- Des-His(1)-Semaglutide (CAS CATO-C4X-2226216)
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