7-(3-Fluorophenyl)-5-hydroxybenzo[d][1,3]oxathiol-2-one CAS 868213-18-7
| CAS No. | 868213-18-7 |
| Molecular Formula | C13H7FO3S |
| Molecular Weight | 262.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
7-(3-Fluorophenyl)-5-hydroxybenzo[d][1,3]oxathiol-2-one (CAS 868213-18-7) is a high-purity analytical reference standard with the molecular formula C13H7FO3S and a molecular weight of 262.26 g/mol.
Based on its molecular formula C13H7FO3S, 7-(3-Fluorophenyl)-5-hydroxybenzo[d][1,3]oxathiol-2-one contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 262.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
As a certified reference material (CRM), 7-(3-Fluorophenyl)-5-hydroxybenzo[d][1,3]oxathiol-2-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 | C13H7FO3S |
| Molecular Weight | 262.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Fluorophenyl Standards
- 6-(3-Fluorophenyl)imidazo[2,1-b]thiazole-3-carboxylic acid (CAS 1119452-29-7)
- 1-(3-Fluorophenyl)-6-mercapto-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 1416342-35-2)
- 1-(2-Fluorophenyl)-6-mercapto-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 1416345-80-6)
- 1-(4-Fluorophenyl)-6-mercapto-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 289651-64-5)
- 6-(4-Fluorophenyl)imidazo[2,1-b]thiazole-3-carboxylic acid (CAS 912770-37-7)
- 2946AF 6-(2-Fluorophenyl)imidazo[2,1-b][1,3]thiazole-3-carboxylic acid 912770-16-2 C12H7FN2O2S (CAS 912770-16-2)
- 2,3-Bis(4-fluorophenyl)propanoic acid (CAS 1017324-10-5)
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Recommended Standards
- 6-(4-Methoxyphenyl)-4-methyl-2-oxo-1,2,5,6-tetrahydropyrimidine-5-carboxylic acid (CAS 69785-26-8)
- 7-(4-Fluoro-phenyl)-5-hydroxy-benzo[1,3]oxathiol-2-one (CAS 327078-62-6)
- 7-(tert-Butyl)-1-methyloxazolo[2,3-f]purine-2,4(1H,3H)-dione (CAS 899948-02-8)
- 6-(4-Ethoxyphenyl)-2-oxo-1,2,3,6-tetrahydro-4-pyrimidinecarboxylic acid (CAS 860610-19-1)
- (E)-4-oxo-4-(4-(4-(trifluoromethyl)pyridin-2-yl)piperazin-1-yl)but-2-enoic acid (CAS 883030-85-1)
- 6-(Trifluoromethyl)isoquinolin-3-ol (CAS 1175271-49-4)
- 2-methyl-2-(methylamino)propan-1-ol hydrochloride (CAS 136681-25-9)
- 2,3,4,6-Tetrafluorobenzaldehyde (CAS 19842-78-5)
- 6-Bromo-1-methyl-1H-pyrrolo[3,2-c]pyridine-3-carboxylic acid (CAS 2168738-22-3)
- 2-Bromo-6-(methylthio)-1H-purine (CAS 139243-95-1)
- N-(4-(Benzyl(methyl)amino)but-2-yn-1-yl)-3-phenylpropanamide (CAS 1396803-41-0)
- 3-Chloro-2-(1-ethoxyethoxy)propyl acetate (CAS 85328-35-4)
- 4-Isopropyl-6-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine (CAS 2446483-88-9)
- Serpent Peptide (CAS 823202-99-9)
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