3-(4-Ethoxymethylene-1,3-dioxo-3,4-dihydro-1H-isoquinolin-2-yl)-N-(2-fluoro-phenyl)-benzenesulfonamide CAS 554407-64-6
| CAS No. | 554407-64-6 |
| Molecular Formula | C24H19FN2O5S |
| Molecular Weight | 466.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-(4-Ethoxymethylene-1,3-dioxo-3,4-dihydro-1H-isoquinolin-2-yl)-N-(2-fluoro-phenyl)-benzenesulfonamide is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-(4-Ethoxymethylene-1,3-dioxo-3,4-dihydro-1H-isoquinolin-2-yl)-N-(2-fluoro-phenyl)-benzenesulfonamide (CAS 554407-64-6) is a high-purity analytical reference standard with the molecular formula C24H19FN2O5S and a molecular weight of 466.48 g/mol.
Structurally, 3-(4-Ethoxymethylene-1,3-dioxo-3,4-dihydro-1H-isoquinolin-2-yl)-N-(2-fluoro-phenyl)-benzenesulfonamide (C24H19FN2O5S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 466.48 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-Ethoxymethylene-1,3-dioxo-3,4-dihydro-1H-isoquinolin-2-yl)-N-(2-fluoro-phenyl)-benzenesulfonamide 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 | C24H19FN2O5S |
| Molecular Weight | 466.48 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Ethoxymethylene Standards
- 3-(4-(Ethoxymethylene)-1,3-dioxo-3,4-dihydroisoquinolin-2(1h)-yl)-n,n-diethylbenzenesulfonamide (CAS 565195-44-0)
- 4-(4-Ethoxymethylene-1,3-dioxo-3,4-dihydro-1H-isoquinolin-2-yl)-benzoic acid ethyl ester (CAS 750607-46-6)
- 4-Ethoxymethylene-2-(3-trifluoromethyl-phenyl)-4H-isoquinoline-1,3-dione (CAS 499229-40-2)
- 4-Ethoxymethylene-2-(4-ethoxy-phenyl)-4H-isoquinoline-1,3-dione (CAS 750607-40-0)
- 4-Ethoxymethylene-2-(4-isopropyl-phenyl)-4H-isoquinoline-1,3-dione (CAS 565168-52-7)
- (Ethoxymethylene)triphenylphosphorane (CAS 55812-81-2)
- 2-Benzyl-4-ethoxymethylene-4H-isoquinoline-1,3-dione (CAS 749219-34-9)
- (E)-5-(Ethoxymethylene)-3-phenethyl-2-thioxothiazolidin-4-one (CAS 828299-72-5)
Recommended Standards
- (6-Chloro-2,8-bis(trifluoromethyl)quinolin-4-yl)(piperidin-2-yl)methanol (CAS 959023-53-1)
- 4-Methyl-2-pentadecyl-1H-imidazole hydrochloride (CAS 65725-06-6)
- 4,4'-(Anthracene-9,10-diylbis(ethyne-2,1-diyl))dibenzoic acid (CAS 1562777-29-0)
- N-(3-(N-(4-((Difluoromethyl)thio)phenyl)sulfamoyl)-4-methylphenyl)-6-oxo-1,6-dihydropyridazine-3-carboxamide (CAS 735318-38-4)
- 3-Methoxyisoquinoline-1-carbaldehyde (CAS 96246-10-5)
- 3-(3-(3,5-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl)propanoic acid (CAS 500025-28-5)
- 1H-Indole-5,6-diamine (CAS 865654-28-0)
- 2-(3-(Diisopropylamino)-1-phenylpropyl)-4-methylphenol (CAS 124936-74-9)
- 3-Amino-2-oxoimidazolidine-1-carboxamide (CAS 769883-43-4)
- 1-(4-Cyclohexylphenyl)propan-1-one (CAS 59721-67-4)
- (1S,2S)-(-)-1-phenylpropyleneoxide (CAS 4518-66-5)
- 2-Methoxyethyl 6-methyl-4-(2-nitrophenyl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 301675-70-7)
- N-(4-Chlorothiophen-2-yl)acetamide (CAS 89379-81-7)
- Semaglutide Impurity 137 (x TFA Salt) (CAS CATO-C4X-2226137)
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