3,7-Dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-4H-chromen-4-one CAS 22044-80-0
| CAS No. | 22044-80-0 |
| Molecular Formula | C16H12O6 |
| Molecular Weight | 300.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 300.26 g/mol gives 3,7-Dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-4H-chromen-4-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3,7-Dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-4H-chromen-4-one (CAS 22044-80-0), molecular formula C16H12O6 and molecular weight 300.26 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 3,7-Dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-4H-chromen-4-one (C16H12O6) is characterized by a flavonoid core, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
CATO manufactures 3,7-Dihydroxy-2-(4-hydroxyphenyl)-5-methoxy-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 | C16H12O6 |
| Molecular Weight | 300.26 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.) | 1963 |
Related Dihydroxy Standards
- 1,4-Dihydroxy-5,8-dimethoxyanthracene-9,10-dione (CAS 63229-41-4)
- 1,5-Dihydroxy-2,6-bis(hydroxymethyl)anthracene-9,10-dione (CAS 25357-91-9)
- 5,7-Dihydroxy-2-(4-methoxyphenoxy)-4H-chromen-4-one (CAS 61854-35-1)
- Methyl 3,8-dihydroxy-6-methyl-9-oxo-9H-xanthene-1-carboxylate (CAS 85003-85-6)
- (E)-1-(2,4-Dihydroxy-3,6-dimethoxyphenyl)-3-phenylprop-2-en-1-one (CAS 129724-43-2)
- (E)-1-(2,6-Dihydroxy-3,4-dimethoxyphenyl)-3-phenylprop-2-en-1-one (CAS 42438-78-8)
- 1-(2,4-Dihydroxy-3,6-dimethoxyphenyl)-3-phenylprop-2-en-1-one (CAS 54299-50-2)
- 2',4'-Dihydroxy-4,6'-dimethoxychalcone (CAS 56121-44-9)
Recommended Standards
- 2-Methylquinolizin-5-ium bromide (CAS 5520-34-3)
- 3-Methoxy-4,5,7-trihydroxyisoflavone (CAS 36190-95-1)
- 2-[1-Methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl]-5-(thiophen-2-yl)-1,3,4-oxadiazole (CAS 477762-34-8)
- 4-(Benzo[d][1,3]dioxol-5-yl)-6-(trifluoromethyl)pyrimidine-2-thiol (CAS 505053-95-2)
- 3-Methylquinoxaline-2-carbohydrazide (CAS 61857-84-9)
- 2-((3-Cyano-4-(4-methoxyphenyl)-6-phenylpyridin-2-yl)thio)-N-(m-tolyl)acetamide (CAS 334497-71-1)
- (4-(N-cyclopropylsulfamoyl)naphthalen-1-yl)boronic acid (CAS 1704121-07-2)
- [9,9'-Biphenanthrene]-10,10'-diol (CAS 110071-78-8)
- N-(5-amino-2-chlorophenyl)furan-2-carboxamide (CAS 505066-17-1)
- 1-(Cyclopentyloxy)-4-fluoro-2-nitrobenzene (CAS 1092496-31-5)
- 1-Bromo-3-(3-chloro-2-methylpropyl)benzene (CAS 1464012-86-9)
- Carboetomidate (CAS 1257067-10-9)
- 4-(Aminomethyl)-5-methyl-2-furoic acid hydrochloride (CAS 944467-86-1)
- Biotinyl-Neuropeptide W-23 (human) (CAS 1815618-09-7)
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