3,5-Dihydroxy-7-methoxy-2-phenyl-4H-chromen-4-one CAS 480-14-8
| CAS No. | 480-14-8 |
| Molecular Formula | C16H12O5 |
| Molecular Weight | 284.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C16H12O5, 3,5-Dihydroxy-7-methoxy-2-phenyl-4H-chromen-4-one contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 284.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
3,5-Dihydroxy-7-methoxy-2-phenyl-4H-chromen-4-one (CAS 480-14-8) is a high-purity analytical reference standard with the molecular formula C16H12O5 and a molecular weight of 284.26 g/mol.
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.
CATO manufactures 3,5-Dihydroxy-7-methoxy-2-phenyl-4H-chromen-4-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H12O5 |
| Molecular Weight | 284.26 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.) | 1957 |
Related Dihydroxy Standards
- 1,3-Dihydroxy-8-methoxy-6-methylanthracene-9,10-dione (CAS 3775-08-4)
- 1,4-Dihydroxy-5-methoxy-2-methylanthracene-9,10-dione (CAS 71786-00-0)
- 1,6-Dihydroxy-5-methoxy-2-methylanthracene-9,10-dione (CAS 64809-71-8)
- 1,8-Dihydroxy-2-methoxy-3-methylanthracene-9,10-dione (CAS 74272-75-6)
- 1,8-Dihydroxy-3-(hydroxymethyl)-6-methylanthracene-9,10-dione (CAS 873431-39-1)
- 2',4'-Dihydroxy-3,4-methylenedioxychalcone (CAS 6962-62-5)
- 4,7-Dihydroxy-3-(2-methoxyphenyl)-2H-chromen-2-one (CAS 21229-16-3)
- 4,7-Dihydroxy-3-(4-methoxyphenyl)-2h-chromen-2-one (CAS 42345-56-2)
Recommended Standards
- 3-(2,4-Dihydroxyphenyl)-7-methoxy-4H-chromen-4-one (CAS 7622-53-9)
- 3-Formylphenyl 2-acetoxybenzoate (CAS 203065-55-8)
- 2-methylsulfanyl-6-(3,3,3-trifluoroprop-1-ynyl)-1H-quinazolin-4-one (CAS 2538082-81-2)
- 3-Methyl-6-(thiophen-2-yl)-4-(trifluoromethyl)isoxazolo[5,4-b]pyridine (CAS 380419-64-7)
- 5-(4-Methoxyphenyl)-7-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-3-carbohydrazide (CAS 832737-36-7)
- 1-Benzyl-2-oxo-1,2-dihydro-1,8-naphthyridin-4-yl acetate (CAS 583031-54-3)
- 3-Bromo-alpha-chlorobenzaldoxime (CAS 86405-09-6)
- 2,5-Dichloro-1,3-benzenedicarbonitrile (CAS 109292-89-9)
- 2-hydroxy-8-(4-hydroxyphenyl)-1H-phenalen-1-one (CAS 847158-23-0)
- 1-(1-Benzylhexahydropyrrolo[3,4-b]pyrrol-5(1H)-yl)-2,2,2-trifluoroethan-1-one (CAS 1279822-87-5)
- Tamsulosin EP Impurity G HCl (CAS 106463-19-8)
- tert-butyl (2R)-3-hydroxy-2-methylazetidine-1-carboxylate (CAS 2231670-04-3)
- 1-(3-(Benzyloxy)pyridin-2-yl)-3-(4-methoxybenzyl)urea (CAS 1023511-68-3)
- Semaglutide Impurity 152 xTFA (CAS CATO-C4X-2226152)
Why CATO?
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