2-(trifluoromethyl)cyclohexa-2,5-diene-1,4-dione CAS 393-40-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 393-40-8 |
| Molecular Formula | C7H3F3O2 |
| Molecular Weight | 176.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(trifluoromethyl)cyclohexa-2,5-diene-1,4-dione (CAS 393-40-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H3F3O2. Molecular weight: 176.09 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H3F3O2 |
| Molecular Weight | 176.09 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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 |
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Recommended Standards
- 2,4,6-Trifluoro-3-hydroxybenzaldehyde (CAS 1093253-75-8)
- 2,2,5-Trifluoro-1,3-benzodioxole (CAS 656-43-9)
- Pentafluoroethyl ethyl ketone (CAS 378-72-3)
- 4-Hydroxy-3-nitrobenzoyl chloride (CAS 85136-67-0)
- 4-Hydroxy-2-oxo-2,5-dihydro-1H-pyrrole-3-carbonitrile (CAS 83544-53-0)
- 1-(Difluoromethyl)-1H-pyrazole-5-carboxylic Acid (CAS 925199-97-9)
- 3,4-Dihydro-2H-benzo[b][1,4]dioxepine-7-carbaldehyde oxime (CAS 913181-41-6)
- 1-(1-(Pyridin-4-yl)ethyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1437433-09-4)
- 4,4'-Difluoro-[1,1'-biphenyl]-3-amine (CAS 323-93-3)
- Semaglutide impurity 39 (CAS CATO-C4X-222639)
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