4-Methoxy-3-(phenylsulfonyl)isobenzofuran-1(3H)-one CAS 74724-81-5
| CAS No. | 74724-81-5 |
| Molecular Formula | C15H12O5S |
| Molecular Weight | 304.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-Methoxy-3-(phenylsulfonyl)isobenzofuran-1(3H)-one.
4-Methoxy-3-(phenylsulfonyl)isobenzofuran-1(3H)-one (CAS 74724-81-5) is a high-purity analytical reference standard with the molecular formula C15H12O5S and a molecular weight of 304.32 g/mol.
4-Methoxy-3-(phenylsulfonyl)isobenzofuran-1(3H)-one (C15H12O5S) contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).
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 manufactures 4-Methoxy-3-(phenylsulfonyl)isobenzofuran-1(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 | C15H12O5S |
| Molecular Weight | 304.32 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Sulfur Atoms | 1 |
Related Methoxy Standards
- 7-Methoxy-3-(phenylsulfonyl)isobenzofuran-1(3H)-one (CAS 65131-09-1)
- 2-Methoxy-6-(2-naphthalen-1-yl-vinyl)-benzoic acid (CAS 1171924-75-6)
- 2-(4-Methoxy-3-(4-methoxyphenyl)-6-oxopyridazin-1(6H)-yl)propanoic acid (CAS 1437432-59-1)
- 3-[(5-Methoxy-1-methyl-1H-indol-3-yl)methylene]-1,3-dihydro-2H-indol-2-one (CAS 856435-23-9)
- 2-(2-(4-Methoxy-3-methylphenyl)acetamido)thiophene-3-carboxamide (CAS 955807-44-0)
- 3-(4-Methoxy-3-nitrobenzenesulfonamido)propanoic acid (CAS 741731-75-9)
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Recommended Standards
- 3-Nitrobenzyl 2-(methylthio)nicotinate (CAS 733005-57-7)
- 4-Nitrobenzyl 2-(methylthio)nicotinate (CAS 733005-65-7)
- 3-(2-Benzamidoacetamido)thiophene-2-carboxylic acid (CAS 400086-47-7)
- 5-(3-Nitrobenzoyl)-N2-(prop-2-en-1-yl)-1,3-thiazole-2,4-diamine (CAS 339020-04-1)
- 3-(Benzylamino)-4,4-dimethyldihydrofuran-2(3H)-one (CAS 806615-33-8)
- 4-(2-Bromophenyl)-4H-benzo[b][1,4]thiazine-2-carbonitrile 1,1-dioxide (CAS 1207023-19-5)
- 4-Chloro-N-(4-(3-((2-methoxyethyl)amino)-3-oxopropyl)thiazol-2-yl)benzamide (CAS 1021266-75-0)
- (4-Methyl-4H-furo[3,2-b]pyrrol-5-yl)methanol (CAS 859850-84-3)
- 4-Allyl-4-(bromomethyl)tetrahydro-2H-pyran (CAS 1881925-04-7)
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Why CATO?
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