2-(2H-1,3-Benzodioxol-5-ylmethylidene)-6-hydroxy-7-methyl-2,3-dihydro-1-benzofuran-3-one CAS 859131-56-9
| CAS No. | 859131-56-9 |
| Molecular Formula | C17H12O5 |
| Molecular Weight | 296.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-(2H-1,3-Benzodioxol-5-ylmethylidene)-6-hydroxy-7-methyl-2,3-dihydro-1-benzofuran-3-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.
2-(2H-1,3-Benzodioxol-5-ylmethylidene)-6-hydroxy-7-methyl-2,3-dihydro-1-benzofuran-3-one (CAS 859131-56-9) is a high-purity analytical reference standard with the molecular formula C17H12O5 and a molecular weight of 296.27 g/mol.
2-(2H-1,3-Benzodioxol-5-ylmethylidene)-6-hydroxy-7-methyl-2,3-dihydro-1-benzofuran-3-one (C17H12O5) contains a flavonoid core, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C17H12O5 |
| Molecular Weight | 296.27 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related H Standards
- 4-(2H-1,3-benzodioxol-5-yl)-6-(5-methylfuran-2-yl)pyrimidin-2-amine (CAS 1354924-78-9)
- 2-(2H-1,3-Benzodioxol-5-yl)-4-(4-fluorophenyl)-4-oxobutanenitrile (CAS 329701-01-1)
- 4-(2H-1,3-benzodioxol-5-yl)-6-(thiophen-2-yl)pyrimidin-2-amine (CAS 1354916-21-4)
- 1-(2H-1,3-Benzodioxol-5-yl)-2,6,6-trimethyl-4,5,6,7-tetrahydro-1H-indol-4-one (CAS 497060-14-7)
- 4-(2H-1,3-benzodioxol-5-yloxy)-5-bromopyrimidine (CAS 1541474-20-7)
- N-(1,3-Benzodioxol-5-ylmethyl)-2-(1H-indol-3-yl)ethanamine (CAS 51918-89-9)
- 1024383-06-9 3-(2H-1,3-benzodioxol-5-yl)-1,6,6-trimethyl-4,5,6,7-tetrahydro-1H-indazol-4-one MS-9112 (CAS 1024383-06-9)
- 2-{[(2H-1,3-benzodioxol-5-yl)amino]methylidene}-2,3-dihydro-1H-indene-1,3-dione (CAS 1001048-70-9)
Recommended Standards
- 2-((4-Oxo-3-phenyl-4h-chromen-7-yl)oxy)acetic acid (CAS 32131-73-0)
- 2,4-dioxo-3-oxatricyclo[7.3.1.0⁵¹³]trideca-1(12),5,7,9(13),10-pentaene-8,10-dicarboxylic acid (CAS 52671-72-4)
- 1,3-Bis(benzo[d][1,3]dioxol-5-yl)prop-2-en-1-one (CAS 76530-89-7)
- 2-{[(oxolan-2-yl)methyl]amino}-4-(trifluoromethyl)-1,3-thiazole-5-carboxylic acid (CAS 937597-53-0)
- (S)-2-Amino-3,3-dimethylbutan-1-ol hydrochloride (CAS 352545-44-9)
- 4-Bromo-6-chloro-2,3-dihydro-1H-inden-1-one (CAS 1260017-94-4)
- (R)-3-bromo-6,7-dihydro-5H-cyclopenta[b]pyridin-7-amine (CAS 1336012-70-4)
- 6-(Benzylthio)-5-mercapto-1,2,4-triazin-3-ol (CAS 23449-16-3)
- 3-amino-2-phenylbutan-2-ol hydrochloride (CAS 104294-61-3)
- 3-Ethoxyspiro[3.3]heptan-1-ol (CAS 1394041-68-9)
- Benzo[c][1,2,5]oxadiazole-5-carbonitrile (CAS 54286-62-3)
- 1-methyl-4-pyrrolidin-2-yl-1H-pyrazole (CAS 1170640-87-5)
- Parecoxib sodium Impurity 9 (CAS 1373038-56-2)
- Polymyxin B nonapeptide TFA (CAS 2220175-42-6)
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