3-Hydroxybenzofuran-2(3H)-one CAS 22303-62-4
| CAS No. | 22303-62-4 |
| Molecular Formula | C8H6O3 |
| Molecular Weight | 150.13 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.
CATO supplies 3-Hydroxybenzofuran-2(3H)-one (CAS 22303-62-4), a certified reference material (molecular formula C8H6O3, MW 150.13 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H6O3, 3-Hydroxybenzofuran-2(3H)-one contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 150.13 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures 3-Hydroxybenzofuran-2(3H)-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 | C8H6O3 |
| Molecular Weight | 150.13 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
Related Hydroxybenzofuran Standards
- 4-Hydroxybenzofuran-3(2H)-one (CAS 19278-81-0)
- 5-Hydroxybenzofuran-3(2h)-one (CAS 19278-82-1)
- 7-Hydroxybenzofuran-3(2H)-one (CAS 19397-70-7)
- 4-Hydroxybenzofuran-2(3H)-one (CAS 2811-93-0)
- 5-Hydroxybenzofuran-2(3H)-one (CAS 2688-48-4)
- 6-Hydroxybenzofuran-2(3H)-one (CAS 2688-49-5)
- 4-Hydroxybenzofuran-3-carbonitrile (CAS 1785007-13-7)
- 4-Hydroxybenzofuran-2-carbonitrile (CAS 53020-40-9)
Recommended Standards
- 3-Hydroxy-2,2-bis(hydroxymethyl)propanoic acid (CAS 2831-90-5)
- 3-Hydroxyphthalaldehyde (CAS 73289-89-1)
- 3-Furancarboxylic acid, 2-(1-propyn-1-yl)- (CAS 2553724-92-6)
- 3-Methyl-4,5'-biisoxazole (CAS 37117-50-3)
- 8-((Benzyloxy)carbonyl)-1-(tert-butoxycarbonyl)-1,8-diazaspiro[4.5]Decane-2-carboxylic acid (CAS 1250996-12-3)
- 3-Isopropyl-2,6-dimethylquinolin-4-amine (CAS 1343017-09-3)
- L-lysyl-L-glutamic acid (CAS 45234-02-4)
- 2-(2-Oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)acetonitrile (CAS 161469-09-6)
- 1-(3-Isopropyl-1,2,4-oxadiazol-5-yl)ethanamine (CAS 936940-50-0)
- Dimethyl [2,2'-bipyridine]-3,3'-dicarboxylate (CAS 39775-31-0)
- 1-(5-Chloro-2-methyl-3-nitrophenyl)ethan-1-one (CAS 154258-12-5)
- 25440-14-6 5,10,15,20-Tetrakis(pentafluorophenyl)-21H,23H-porphine 5,10,15,20-tetrakis(pentafluorophenyl)porphyrin 5,10,15,20-tetrakis-(2,3,4,5,6-pentafluorophenyl)-21,23h-porphyrin meso-tetra(pentafluorophenyl)porphine (CAS 25440-14-6)
- 6-Fluoro-4-methyl-1-(morpholinomethyl)isoquinolin-3(2H)-one (CAS 66157-89-9)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com