3,3-Bis(4-hydroxy-3,5-dimethylphenyl)isobenzofuran-1(3H)-one CAS 3689-45-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 3689-45-0 |
| 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-3,5-dimethylphenyl)isobenzofuran-1(3H)-one (CAS 3689-45-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C24H22O4. Molecular weight: 374.43 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
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.) | 1958 |
Related Bis Standards
- 3,3-Bis(4-hydroxy-2,5-dimethylphenyl)isobenzofuran-1(3H)-one (CAS 50984-88-8)
- 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
- 3,5-Di([1,1'-biphenyl]-4-yl)-1,2,4-oxadiazole (CAS 55667-08-8)
- 3-(4-(3-Fluoropropoxy)phenyl)-1-tosyl-1H-pyrazole (CAS 477711-10-7)
- 3-[(5Z)-5-[(4-Ethoxyphenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]-3-azabicyclo[3.1.0]hexane-2,4-dione (CAS 866156-39-0)
- 6090-95-5 NHM754Q310 Conduritol epoxide 1,2-Anhydro-myo-inositol myo-Inositol, 1,2-anhydro- Conduritol B epoxide Conduritol B-epoxide UNII-NHM754Q310 (CAS 6090-95-5)
- Methyl-<SUP>13</SUP>C,d<SUB>3</SUB>-amine hydrochloride (CAS 104809-19-0)
- (5-Fluoro-1H-indol-3-yl)methanol (CAS 773869-43-5)
- Methyl 2-[(3-nitropyridin-4-yl)amino]acetate (CAS 1040313-67-4)
- Ethyl 6-(3,4-dichlorophenyl)-6-oxohexanoate (CAS 898776-76-6)
- 4-(1,3-Dioxolan-2-yl)nicotinic acid (CAS 2375274-10-3)
- Anti-Inflammatory Peptide 2 (CAS 118850-72-9)
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 13829788188 / jacky.chen@cato-chem.com