3-Hydroxy-2-(2,3,4-trihydroxyphenyl)-4H-chromen-4-one CAS 649552-06-7
| CAS No. | 649552-06-7 |
| Molecular Formula | C15H10O6 |
| Molecular Weight | 286.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3-Hydroxy-2-(2,3,4-trihydroxyphenyl)-4H-chromen-4-one (CAS 649552-06-7), molecular formula C15H10O6 and molecular weight 286.24 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C15H10O6, 3-Hydroxy-2-(2,3,4-trihydroxyphenyl)-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 286.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C15H10O6 |
| Molecular Weight | 286.24 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.) | 1985 |
Related Hydroxy Standards
- 7-Hydroxy-2-(3,4,5-trihydroxyphenyl)-4H-chromen-4-one (CAS 67858-31-5)
- 744209-76-5 5-Hydroxy-2-(3,4,5-trihydroxyphenyl)-4H-1-benzopyran-4-one DTXSID90591275 (CAS 744209-76-5)
- 4-Hydroxy-Teriflunomide (CAS 1058722-45-4)
- 5-Hydroxy Leflunomide (Metabolite M2) (CAS 1058722-46-5)
- Ethyl 4-hydroxy-7-(trifluoromethyl)-1,8-naphthyridine-3-carboxylate (CAS 151099-11-5)
- 4-Hydroxy-1-[2-(trifluoromethyl)phenyl]-1h-pyrazole-3-carbohydrazide (CAS 957014-21-0)
- 4-Hydroxy-1-(quinoline-2-carbonyl)pyrrolidine-2-carboxylic acid, mixture of diastereomers (CAS 1046123-34-5)
- Ethyl 4-hydroxy-7-methyl-2-oxo-1-(prop-2-yn-1-yl)-1,2-dihydro-1,8-naphthyridine-3-carboxylate (CAS 1253791-04-6)
Recommended Standards
- 3-[(3-Amino-1H-1,2,4-triazol-5-yl)sulfanyl]-5-(trifluoromethyl)pyridine-2-carbonitrile (CAS 338968-23-3)
- 3-hydroxymorindone (CAS 80368-74-7)
- 3,3',5'-Tricarboxylic biphenyl (CAS 863495-62-9)
- 3-Methyl-4-(4-methyl-2-nitrophenoxy)-[1,2]oxazolo[5,4-d]pyrimidine (CAS 672925-27-8)
- K02288 (CAS 1431985-92-0)
- 5-methoxynaphthalene-2-carbaldehyde (CAS 56894-94-1)
- {[5-(2-Thienyl)-1,3,4-oxadiazol-2-yl]thio}acetic acid (CAS 485334-94-9)
- 1-(1-Ethyl-3-methylpiperidin-3-yl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1707609-27-5)
- 5-methyl-1H-pyrazolo[4,3-b]pyridin-7-ol (CAS 268547-52-0)
- 1-Cyclohexyl-1H-pyrazole-4-carbaldehyde (CAS 957312-98-0)
- 5-Cyclopropyl-3-(difluoromethyl)-1H-pyrazole (CAS 1062296-03-0)
- (2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)(piperazin-1-yl)methanone (CAS 926189-75-5)
- 2-Hydroxy-2-(4-methylthiazol-5-yl)acetic acid (CAS 87764-53-2)
- Peptide 436 (CAS CATO-CPTD788436)
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