2-Methylbenzofuran-4,7-dione CAS 138518-17-9
| CAS No. | 138518-17-9 |
| Molecular Formula | C9H6O3 |
| Molecular Weight | 162.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Methylbenzofuran-4,7-dione (C9H6O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, 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).
CATO supplies 2-Methylbenzofuran-4,7-dione (CAS 138518-17-9), a certified reference material (molecular formula C9H6O3, MW 162.14 g/mol) for analytical method development and quality control.
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 2-Methylbenzofuran-4,7-dione 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 | C9H6O3 |
| Molecular Weight | 162.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
Related Methylbenzofuran Standards
- 3-Methylbenzofuran-4,5-dione (CAS 113297-21-5)
- 5-Methylbenzofuran-4,7-dione (CAS 141462-51-3)
- 3-Methylbenzofuran-4,7-dione (CAS 20958-13-8)
- 5-Methylbenzofuran-2,3-dione (CAS 49753-63-1)
- (5-Methylbenzofuran-2-yl)methanol (CAS 1089681-93-5)
- (6-Methylbenzofuran-2-yl)methanol (CAS 1089682-00-7)
- (6-Methylbenzofuran-3-yl)methanol (CAS 125132-27-6)
- (2-Methylbenzofuran-4-yl)methanol (CAS 209256-61-1)
Recommended Standards
- (3-(Difluoromethyl)-1-methyl-1H-pyrazol-5-yl)methanol (CAS 1383471-33-7)
- 14122-18-0 394UTL09IF 3,6-Anhydrogalactose, D- UNII-394UTL09IF 3,6-Anhydro-D-galactose Galactose, 3,6-anhydro-, D- 3,6-Anhydrogalactose (2R)-2-((2S,3S,4R)-3,4-Dihydroxyoxolan-2-yl)-2-hydroxyacetaldehyde D-Galactose, 3,6-anhydro- C06474 (CAS 14122-18-0)
- Disodium Cyanodithioimidocarbamate (CAS 138-93-2)
- (E)-3-(Hydroxymethylene)benzofuran-2(3H)-one (CAS 141250-32-0)
- (1R)-1-(3-Bromo-4-fluorophenyl)ethan-1-amine hydrochloride (CAS 1305712-20-2)
- 1-(3-((2-Chloropyridin-4-yl)methyl)piperidin-1-yl)ethan-1-one (CAS 1316219-83-6)
- N-(4-(2-((2-Methoxyethyl)amino)-2-oxoethyl)phenyl)-2-(methylthio)benzamide (CAS 1206988-79-5)
- Beraprost(Mixture of Diastereomers) (CAS 496807-11-5(Sodium Salt))
- (2R,3S,4R,5R,6S)-5-Acetamido-2-(acetoxymethyl)-6-isopropoxytetrahydro-2H-pyran-3,4-diyl diacetate (CAS 40592-88-9)
- N-(5-Amino-3-oxo-2,3-dihydro-1H-pyrazol-4-yl)acetamide (CAS 1257440-44-0)
- 4-Hydroxy-5-methoxy-2-methylbenzonitrile (CAS 1780743-22-7)
- N-(3-Bromo-5-fluorobenzyl)-N-methylcyclopropanamine (CAS 1504805-62-2)
- N'-(2,5-Dimethoxybenzylidene)-2-(2-methyl-1H-imidazol-1-yl)acetohydrazide (CAS 861138-41-2)
- Des-Val23-Tirzepatide (CAS CATO-CPTD788950)
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