3-(4-Fluorophenyl)-3-(2-hydroxy-4-methylphenyl)isobenzofuran-1(3H)-one CAS 148238-44-2
| CAS No. | 148238-44-2 |
| Molecular Formula | C21H15FO3 |
| Molecular Weight | 334.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-(4-Fluorophenyl)-3-(2-hydroxy-4-methylphenyl)isobenzofuran-1(3H)-one (CAS 148238-44-2), a certified reference material (molecular formula C21H15FO3, MW 334.34 g/mol) for analytical method development and quality control.
Structurally, 3-(4-Fluorophenyl)-3-(2-hydroxy-4-methylphenyl)isobenzofuran-1(3H)-one (C21H15FO3) contains a steroid core, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 334.34 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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-(4-Fluorophenyl)-3-(2-hydroxy-4-methylphenyl)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 | C21H15FO3 |
| Molecular Weight | 334.34 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | F-containing |
Related Fluorophenyl Standards
- 1-{[1-(4-Fluorophenyl)-5-oxopyrrolidin-3-yl]carbonyl}piperidine-4-carboxylic acid (CAS 1010915-35-1)
- 3-(4-Fluorophenyl)-3-(4-hydroxy-2-methylphenyl)isobenzofuran-1(3H)-one (CAS 148238-45-3)
- (5E)-3-(4-Fluorophenyl)-5-{[(4-fluorophenyl)amino]methylidene}-4-oxo-1,3-thiazolidin-1-ium-1-olate (CAS 338753-14-3)
- 1-[(4-Fluorophenyl)methyl]-6-(4-methoxyphenyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 252060-11-0)
- 2-((5-(2-Fluorophenyl)-1,3,4-oxadiazol-2-yl)thio)-N-(5-methylisoxazol-3-yl)acetamide (CAS 850937-08-5)
- Ethyl 4-((1-(3-fluorophenyl)-1H-tetrazol-5-yl)methyl)piperazine-1-carboxylate (CAS 1049407-95-5)
- 3-(4-Fluorophenyl)-6-(4-methoxyphenyl)pyrazolo[1,5-a]pyrimidin-7-amine (CAS 865657-97-2)
- n2-(4-Fluorophenyl)-n4-(furan-2-ylmethyl)quinazoline-2,4-diamine (CAS 431072-56-9)
Recommended Standards
- 3-Bromo-6-chloro-5-iodopyrazin-2-amine (CAS 1251941-18-0)
- 5-(4-(6-Fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)-5-oxopentanoic acid (CAS 1189749-34-5)
- N-methyl-N-butyl-11-bromo-undecanamide (CAS 155142-81-7)
- 2-(2-Mercapto-4-oxo-4,5-dihydro-1,3-thiazol-5-yl)-N-[3-(trifluoromethyl)phenyl]acetamide (CAS 1142200-06-3)
- Ethyl 5-chloro-2-(trifluoromethyl)benzoate (CAS 773135-63-0)
- 6-Morpholinonicotinohydrazide (CAS 388088-71-9)
- Ethyl 4-(4-chloro-2-methoxyphenyl)-4-oxobutanoate (CAS 951886-50-3)
- 6-Chloronicotinimidamide dihydrochloride (CAS 1198283-62-3)
- Allopurinol impurity 21 (CAS CATO-C4X-145821)
- 2-(4-Chlorobenzoyl)pyridine (CAS 6318-51-0)
- Edoxaban Impurity 63 (CAS 5708-19-0)
- 5-Ethyl-5-hydroxy-5,7-dihydro-1H-cyclopenta[c]pyridine-1,6(2H)-dione (CAS 340268-50-0)
- 4-[[2-(2,6-dioxo-3-piperidyl)-1-oxo-isoindolin-4-yl]amino]-4-oxo-butanoic acid (CAS 1488107-60-3)
- Semaglutide impurity 94 (CAS CATO-C4X-222694)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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