1171465-55-6 4-{[5-(4-Fluorophenyl)-4-methyl-1,1-dioxido-3-oxoisothiazol-2(3H)-yl]methyl}benzoic acid MFCD14282142 CAS 1171465-55-6
| CAS No. | 1171465-55-6 |
| Molecular Formula | C18H14FNO5S |
| Molecular Weight | 375.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1171465-55-6 4-{[5-(4-Fluorophenyl)-4-methyl-1,1-dioxido-3-oxoisothiazol-2(3H)-yl]methyl}benzoic acid MFCD14282142 (CAS 1171465-55-6) is a high-purity analytical reference standard with the molecular formula C18H14FNO5S and a molecular weight of 375.37 g/mol.
Based on its molecular formula C18H14FNO5S, 1171465-55-6 4-{[5-(4-Fluorophenyl)-4-methyl-1,1-dioxido-3-oxoisothiazol-2(3H)-yl]methyl}benzoic acid MFCD14282142 contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 375.37 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C18H14FNO5S |
| Molecular Weight | 375.37 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Fluorophenyl Standards
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- 5-(4-Fluorophenyl)-7-(pentafluoroethyl)pyrazolo-[1,5-a]pyrimidine-2-carboxylic acid (CAS 676521-71-4)
- N-(4-fluorophenyl)-3-tosyl-3-azabicyclo[3.1.0]Hexane-2-carboxamide (CAS 1101135-83-4)
- 2-(4-((4-Fluorophenyl)sulfonyl)piperazin-1-yl)-4,6-dimethylnicotinonitrile (CAS 478081-73-1)
- 5-((4-Fluorophenyl)thio)-1,3-diphenyl-1H-pyrazole-4-carbaldehyde (CAS 955964-28-0)
- N-[(4-Fluorophenyl)methyl]-2-(pyridin-2-yl)-4-(trifluoromethyl)pyrimidine-5-carboxamide (CAS 865660-43-1)
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Recommended Standards
- 2-[Methyl-1-(4-methoxyphenyl)methoxy]propyl-4'-nitrophenyl Carbonate (CAS 1076198-54-3)
- Ethyl 2-(3-cyclopropyl-4-(difluoromethyl)-6-(1-methyl-1H-pyrazol-4-yl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetate (CAS 1172010-69-3)
- Ethyl 2-(4-(difluoromethyl)-6-(3-methoxyphenyl)-3-methyl-1H-pyrazolo[3,4-b]pyridin-1-yl)acetate (CAS 1011369-26-8)
- Mal-peg5-ch2cooh (CAS 1286755-05-2)
- 2-(1-Aminoethyl)-5-bromopyrrolo[2,1-f][1,2,4]triazin-4(1H)-one (CAS 1824622-79-8)
- 6-Fluoro-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one (CAS 1364719-75-4)
- 4-(4-Pyridyl)-1-butanol Hydrochloride (CAS 90642-84-5)
- (5-(4-Methylpiperazin-1-yl)furan-2-yl)boronic acid (CAS 2225170-17-0)
- 6-Methanesulfonyl-3,4-dihydro-2h-1,4-benzoxazin-3-one (CAS 459190-08-0)
- 2-Nitro-7-propoxybenzofuran (CAS 56897-24-6)
- 2-(tert-Butoxycarbonyl)-2-azabicyclo[3.1.0]hexane-1-carboxylic acid (CAS 1251004-87-1)
- 3-acetamido-4-fluorobenzoic acid (CAS 401-37-6)
- 2,5-Diamino-4-fluorobenzamide (CAS 1250308-04-3)
- Tirzepatide Impurity 17 (CAS CATO-C4X-324017)
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