2,2,3,3-Tetrafluoro-2,3-dihydrobenzo[b][1,4]dioxine-6-carbaldehyde CAS 159276-63-8
| CAS No. | 159276-63-8 |
| Molecular Formula | C9H4F4O3 |
| Molecular Weight | 236.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2,2,3,3-Tetrafluoro-2,3-dihydrobenzo[b][1,4]dioxine-6-carbaldehyde is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2,2,3,3-Tetrafluoro-2,3-dihydrobenzo[b][1,4]dioxine-6-carbaldehyde (CAS 159276-63-8), molecular formula C9H4F4O3 and molecular weight 236.12 g/mol, is a CATO reference standard with documented purity and traceability.
2,2,3,3-Tetrafluoro-2,3-dihydrobenzo[b][1,4]dioxine-6-carbaldehyde (C9H4F4O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
CATO manufactures 2,2,3,3-Tetrafluoro-2,3-dihydrobenzo[b][1,4]dioxine-6-carbaldehyde under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H4F4O3 |
| Molecular Weight | 236.12 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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 methanol, ethanol, 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Halogen Content | F-containing |
Related Tetrafluoro Standards
- 2,2,3,3-Tetrafluoro-1,4-benzodioxane-5- carboxaldehyde (CAS 119922-99-5)
- Ethyl 2,3,5,6-tetrafluoro-4-methylbenzoate (CAS 1076197-35-7)
- 2,2,6,6-Tetrafluoro-4-phenylmorpholine (CAS 65472-14-2)
- 4,5,6,7-Tetrafluoro-2-hydroxyisoindoline-1,3-dione (CAS 13719-85-2)
- 1,2,4,5-Tetrafluoro-3-isopropoxy-6-vinylbenzene (CAS 1391033-32-1)
- 2,2,3,3-Tetrafluoro-2,3-dihydrobenzo[b][1,4]dioxine-6,7-diamine (CAS 110968-70-2)
- (2,2,3,3-Tetrafluoro-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)methanol (CAS 444919-46-4)
- 1,2,4,5-Tetrafluoro-3-(trifluoromethoxy)benzene (CAS 1417566-63-2)
Recommended Standards
- 2,4,5,6-Tetrafluoroisophthalamide (CAS 153279-27-7)
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- 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)cyclohex-3-enecarbaldehyde (CAS 151075-22-8)
- (2,6-Bis((dimethylamino)methyl)phenyl)boronic acid (CAS 89291-18-9)
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- 1-(2-(2,6-Difluorophenyl)cyclopropyl)-N-methylmethanamine (CAS 1312132-85-6)
- Pelubiprofen (CAS 69956-77-0)
- (S)-2-Acetamido-3-mercaptopropanamide (CAS 10061-64-0)
- 4-Formyl-2-methoxyphenyl 2,5-dimethylbenzene-1-sulfonate (CAS 749218-83-5)
- 2-(2-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)amino)ethyl)-4-(1H-pyrrol-1-yl)isoindoline-1,3-dione (CAS 339101-76-7)
- N-(4-Fluorophenyl)-3-(2-methoxyphenyl)-2-(2H-1,2,3,4-tetrazol-5-yl)propanamide (CAS 483993-70-0)
- Tirzepatide-d7 Ditrifluoroacetate (CAS CATO-CPTD788698)
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