(5-(1,3-Dioxolan-2-yl)thiophen-2-yl)(2-fluorophenyl)methanone CAS 898773-35-8
| CAS No. | 898773-35-8 |
| Molecular Formula | C14H11FO3S |
| Molecular Weight | 278.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C14H11FO3S, (5-(1,3-Dioxolan-2-yl)thiophen-2-yl)(2-fluorophenyl)methanone contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 278.30 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
(5-(1,3-Dioxolan-2-yl)thiophen-2-yl)(2-fluorophenyl)methanone (CAS 898773-35-8), molecular formula C14H11FO3S and molecular weight 278.30 g/mol, is a CATO reference standard with documented purity and traceability.
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 | C14H11FO3S |
| Molecular Weight | 278.30 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Dioxolan Standards
- (5-(1,3-Dioxolan-2-yl)thiophen-2-yl)(3-fluorophenyl)methanone (CAS 898773-38-1)
- 5-(1,3-Dioxolan-2-yl)-2-(4-fluorobenzoyl)thiophene (CAS 898773-41-6)
- 3-(1,3-Dioxolan-2-yl)-n-(1-methylethyl)-2-thiophenesulfonamide (CAS 286958-38-1)
- 3-(3-(1,3-Dioxolan-2-yl)benzoyl)benzonitrile (CAS 898778-95-5)
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- 1-[(1,3-Dioxolan-2-yl)methyl]pyrazole-4-boronic Acid Pinacol Ester (CAS 864754-17-6)
- 2-(3-(1,3-Dioxolan-2-yl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1257648-34-2)
- 5-(1,3-Dioxolan-2-yl)-3-(4-methylphenyl)-2,1-benzoxazole (CAS 344276-52-4)
Recommended Standards
- (3AR,5S,6S,6aR)-6-(benzyloxy)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxole-5-carbaldehyde (CAS 23558-05-6)
- (1E)-1-[3-(2-Morpholin-4-yl-2-oxoethoxy)phenyl]ethanone oxime (CAS 634174-46-2)
- (R)-1-((R)-2-Amino-3-(4-hydroxyphenyl)propanoyl)pyrrolidine-2-carboxylic acid (CAS 821776-10-7)
- (1aS,2S,3R,11bR)-1a,2,3,11b-Tetrahydrobenz[7,8]anthra[1,2-β]oxirene-2,3-diol (CAS 64937-40-2)
- (4R,5S)-2,2-Dimethyl-1,3-dioxolane-4,5-dicarbaldehyde (CAS 146566-82-7)
- 5,6-Dimethyl-4-(4-(pyrimidin-2-yl)piperazin-1-yl)thieno[2,3-d]pyrimidine (CAS 379238-20-7)
- (1S,2S)-2-(p-tolyl)cyclopropane-1-carboxylic acid (CAS 515179-20-1)
- 3-Bromo-6-nitro-2,3-dihydropyrrolo[2,1-b]quinazolin-9(1h)-one (CAS 1375474-48-8)
- 2-Amino-4h-3,1-benzoxazin-4-one (CAS 15607-11-1)
- 2,4,6-Tri-tert-butyl-N-methylaniline (CAS 4566-64-7)
- 1-(3-Ethoxyphenyl)-1H-pyrazol-5-amine (CAS 701899-02-7)
- N-(Benzo[d][1,3]dioxol-5-ylmethyl)-4-chloroaniline (CAS 79185-47-0)
- 2-Methoxy-N-((3-methylthiophen-2-yl)methyl)ethanamine (CAS 892571-49-2)
- Semaglutide impurity 268 (CAS CATO-C4X-2226268)
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