5,6,7,8-Tetrafluoro-2,3-dihydrobenzo[b][1,4]dioxine CAS 1743-87-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1743-87-9 |
| Molecular Formula | C8H4F4O2 |
| Molecular Weight | 208.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5,6,7,8-Tetrafluoro-2,3-dihydrobenzo[b][1,4]dioxine (CAS 1743-87-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H4F4O2. Molecular weight: 208.11 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H4F4O2 |
| Molecular Weight | 208.11 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
Related Tetrafluoro Standards
- 2,3,5,6-Tetrafluoro-4-methoxybenzaldehyde (CAS 19161-44-5)
- 2,2,3,3-Tetrafluoro-2,3-dihydro-1,4-benzodioxine (CAS 94767-47-2)
- 2,3,5,6-Tetrafluoro-4-methylbenzoic acid (CAS 652-32-4)
- 2,2,3,3-Tetrafluoro-2,3-dihydrobenzofuran-5-amine (CAS 103082-67-3)
- 2,2,3,3-Tetrafluoro-2,3-dihydrobenzofuran-6-amine (CAS 114851-31-9)
- (2,3,5,6-tetrafluoro-4-pyridinyl)acetic acid (CAS 65697-73-6)
- 3,4,4,4-Tetrafluoro-3-(trifluoromethoxy)but-1-yne (CAS 261760-14-9)
- 2,3,4,5-Tetrafluoro-6-hydroxybenzoic acid (CAS 14742-36-0)
Recommended Standards
- 4-Azido-2,3,5,6-tetrafluorobenzamide (CAS 1548-74-9)
- 4-(Difluoromethoxy)-2,6-difluorobenzaldehyde (CAS 1784748-96-4)
- 2-Fluoro-2-(2,3,4-trifluorophenyl)acetic acid (CAS 1512531-05-3)
- 7-Hydroxy-4-(morpholinomethyl)-2H-chromen-2-one (CAS 25392-50-1)
- N-Methyl-3-(trifluoromethyl)aniline hydrochloride (CAS 1201824-13-6)
- Methyl 3-oxo-4-phenylpentanoate (CAS 55696-39-4)
- 2-(6-Bromo-4-methoxy-1H-indol-3-yl)acetic acid (CAS 1227593-68-1)
- N-(2-Aminoethyl)-5-chloroisoquinoline-8-sulfonamide (CAS 120615-25-0)
- 2-((1-Cyanocyclohexyl)(methyl)amino)-2-oxoethyl 6-methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (CAS 1012177-75-1)
- Semaglutide Impurity 13 (CAS CATO-C4X-222613)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com