5-(1,3-Dioxolan-2-yl)-2-(4-phenoxybenzoyl)thiophene CAS 898778-28-4
| CAS No. | 898778-28-4 |
| Molecular Formula | C20H16O4S |
| Molecular Weight | 352.40 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.
5-(1,3-Dioxolan-2-yl)-2-(4-phenoxybenzoyl)thiophene (CAS 898778-28-4) is a high-purity analytical reference standard with the molecular formula C20H16O4S and a molecular weight of 352.40 g/mol.
5-(1,3-Dioxolan-2-yl)-2-(4-phenoxybenzoyl)thiophene (C20H16O4S) contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, 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).
As a certified reference material (CRM), 5-(1,3-Dioxolan-2-yl)-2-(4-phenoxybenzoyl)thiophene 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 | C20H16O4S |
| Molecular Weight | 352.40 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Sulfur Atoms | 1 |
Related Dioxolan Standards
- (5-(1,3-Dioxolan-2-yl)thiophen-2-yl)(3-phenoxyphenyl)methanone (CAS 898778-25-1)
- 5-(1,3-Dioxolan-2-yl)-2-thienyl dodecyl ketone (CAS 898772-02-6)
- (3-(1,3-Dioxolan-2-yl)phenyl)(4-bromo-3-fluorophenyl)methanone (CAS 898779-48-1)
- (4-(1,3-Dioxolan-2-yl)phenyl)(4-bromo-3-fluorophenyl)methanone (CAS 898760-34-4)
- 3-[3-(1,3-dioxolan-2-yl)-2-thienyl]-1-[3-(trifluoromethyl)phenyl]prop-2-en-1-one (CAS 256353-55-6)
- N-((1,3-Dioxolan-2-yl)methyl)-3-(difluoromethoxy)-N-phenylbenzamide (CAS 864685-32-5)
- (2-(1,3-Dioxolan-2-yl)phenyl)dicyclohexylphosphine (CAS 246158-59-8)
- (5-(1,3-Dioxolan-2-yl)thiophen-2-yl)(4-(pentyloxy)phenyl)methanone (CAS 898778-67-1)
Recommended Standards
- 4-Phenyl-5-({[3-(trifluoromethyl)phenyl]methyl}sulfanyl)-1,2,3-thiadiazole (CAS 338398-45-1)
- 9,9'-(Hexane-1,6-diyl)bis(9H-purin-6-amine) (CAS 22917-81-3)
- 4-[(1Z)-3-(Naphthalen-2-yl)-3-oxoprop-1-en-1-yl]phenyl methanesulfonate (CAS 331460-72-1)
- Benzyl (3S,4R)-3-((tert-butoxycarbonyl)amino)-4-fluoropiperidine-1-carboxylate (CAS 2048229-99-6)
- 1-((4-Chloro-2-nitrophenyl)sulfonyl)-4-methylpiperazine (CAS 1023807-69-3)
- N-(4-ethylphenyl)-2-(5-(morpholinosulfonyl)-2-oxopyridin-1(2H)-yl)acetamide (CAS 1251660-67-9)
- 2-(2-Nitroethyl)-1-tosyl-1H-pyrrole (CAS 922729-58-6)
- (R)-(+)-DBD-Pro-COCl [=(R)-(+)-4-(N,N-Dimethylaminosulfonyl)-7-(2-chloroformylpyrrolidin-1-yl)-2,1,3-benzoxadiazole] [HPLC Labeling Reagent for e.e. Determination] (CAS 150993-62-7)
- (1R,2R,3S,4S)-3-aminobicyclo[2.2.1]Hept-5-ene-2-carboxamide (CAS 365544-86-1)
- 3-Bromo-5-difluoromethoxy-4-fluorophenol (CAS 1805503-04-1)
- Cholesterol Chloroformate (CAS 7144-08-3)
- 4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}benzamide (CAS 339023-73-3)
- 2-Chloro-1,6,7,8-tetrahydro-8-(trifluoromethyl)-4H-pyrimido[1,2-a]pyrimidin-4-one (CAS 1260585-12-3)
- Semaglutide Impurity 246 (CAS CATO-C4X-2226246)
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