3,3-Bis(4-hydroxy-2,5-dimethylphenyl)isobenzofuran-1(3H)-one CAS 50984-88-8
| CAS No. | 50984-88-8 |
| Molecular Formula | C24H22O4 |
| Molecular Weight | 374.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,3-Bis(4-hydroxy-2,5-dimethylphenyl)isobenzofuran-1(3H)-one (CAS 50984-88-8), molecular formula C24H22O4 and molecular weight 374.43 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C24H22O4, 3,3-Bis(4-hydroxy-2,5-dimethylphenyl)isobenzofuran-1(3H)-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 374.43 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3,3-Bis(4-hydroxy-2,5-dimethylphenyl)isobenzofuran-1(3H)-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 | C24H22O4 |
| Molecular Weight | 374.43 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
Related Bis Standards
- 3,3-Bis(4-hydroxy-3,5-dimethylphenyl)isobenzofuran-1(3H)-one (CAS 3689-45-0)
- 3-benzyl-4-hydroxy-1-[2-(5-methoxy-1H-indol-3-yl)ethyl]-1,2-dihydropyridin-2-one 866138-48-9 8W-0900 (CAS 866138-48-9)
- (E)-3-hydroxy-2-(((4-methyl-6-(pyridin-2-ylthio)pyrimidin-2-yl)imino)methyl)-1H-inden-1-one (CAS 1023505-94-3)
- (R)-2-hydroxy-2-((3aR,5R,6R,6aR)-6-hydroxy-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)ethyl 4-methylbenzenesulfonate (CAS 24384-93-8)
- 2-Hydroxy-2-(6-hydroxy-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)ethyl 4-methylbenzenesulfonate (CAS 26275-20-7)
- 4-Hydroxy-3-(3'-methoxy-[1,1'-biphenyl]-4-yl)-6-oxo-6,7-dihydrothieno[2,3-b]pyridine-5-carbonitrile (CAS 844499-74-7)
- 4-Hydroxy-3-(4'-methoxy-[1,1'-biphenyl]-4-yl)-6-oxo-6,7-dihydrothieno[2,3-b]pyridine-5-carbonitrile (CAS 844499-75-8)
- 5-(4-Ethyl-5-hydroxy-3-methyl-1H-pyrazol-1-yl)-2-phenoxybenzenesulfonic acid (CAS 321143-17-3)
Recommended Standards
- 3-(4-(3-Fluoropropoxy)phenyl)-1-tosyl-1H-pyrazole (CAS 477711-10-7)
- 2-Methyl-6-(p-tolyl)-4-(3,4,5-trimethoxyphenyl)nicotinonitrile (CAS 865658-16-8)
- 3,5-Di([1,1'-biphenyl]-4-yl)-1,2,4-oxadiazole (CAS 55667-08-8)
- 2,5-Bis(4-biphenylyl)-1,3,4-oxadiazole, 98% (CAS 2043-06-3)
- (S)-N-((1-Ethylpyrrolidin-2-yl)methyl)ethanamine (CAS 546114-75-4)
- Benzyltriethylphosphonium chloride (CAS 23666-92-4)
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- 1-Benzyl-4-(chloromethyl)benzene (CAS 14297-39-3)
- (3-{[5-(Trifluoromethyl)pyridin-2-yl]oxy}phenyl)amine (CAS 87170-45-4)
- 3-Fluoro-5-nitrophenylboronic acid (CAS 955020-33-4)
- (3-Chloro-4-fluorobenzyl)(3-chloro-5-fluorophenyl)sulfane (CAS 1443341-10-3)
- 1-Azido-8-hydroxy-3,6-dioxaoctane 2-[2-(2-Azidoethoxy)ethoxy]ethanol 2-[2-(2-Azidoethoxy)ethoxy]ethanol solution 8-Azido-3,6-dioxaoctanol 8-Azido-3,6-dioxaoctanol solution 86520-52-7 (CAS 86520-52-7)
- Insulin B (22-25) (CAS 34367-73-2)
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