2-Methyl-2,3-dihydro-1-benzofuran-3-one CAS 35567-59-0
| CAS No. | 35567-59-0 |
| Molecular Formula | C9H8O2 |
| Molecular Weight | 148.16 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.
2-Methyl-2,3-dihydro-1-benzofuran-3-one (CAS 35567-59-0), molecular formula C9H8O2 and molecular weight 148.16 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, 2-Methyl-2,3-dihydro-1-benzofuran-3-one is typically off-white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 148.16 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2-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.
Physical & Chemical Properties
| Molecular Formula | C9H8O2 |
| Molecular Weight | 148.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
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Recommended Standards
- 2-Methyl-1H-pyrrolo[2,3-b]pyridin-5-ol (CAS 7551-12-4)
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- 2-Methyl-1H-benzo[d]imidazol-7-ol (CAS 94977-60-3)
- 2-Methylbenzo[d]oxazol-7-amine (CAS 848678-67-1)
- m-PEG7-Tos (CAS 79622-11-0)
- Triethylammonium 2-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)hydrazine-1-carbodithioate (CAS 477713-60-3)
- 4-((3,4-Dihydroxybenzylidene)amino)-3-(2-fluorophenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 577789-70-9)
- 3-Methoxy-5,6-dimethylpyrazin-2-amine (CAS 87444-26-6)
- Olaparib Impurity 90 (CAS CATO-C4X-113590)
- 3,4-Difluoro-N-(3-fluorobenzyl)aniline (CAS 1019621-50-1)
- 1-(4-Methyl-benzyl)-piperazinehydrochloride (CAS 435345-17-8)
- 2,2,2-trifluoro-1-(3-fluoro-4-methyl-phenyl)ethanone (CAS 845823-06-5)
- 2-(2-((Tetrahydro-2H-thiopyran-3-yl)amino)ethoxy)ethan-1-ol (CAS 1338962-74-5)
- Valosin Peptide (VQY), porcine (CAS 99510-37-9)
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