1,1,2,2-Tetrafluoro-6-oxaspiro[3.4]octane-5,7-dione CAS 2138154-95-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2138154-95-5 |
| Molecular Formula | C7H4F4O3 |
| Molecular Weight | 212.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,1,2,2-Tetrafluoro-6-oxaspiro[3.4]octane-5,7-dione (CAS 2138154-95-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H4F4O3. Molecular weight: 212.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H4F4O3 |
| Molecular Weight | 212.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | F-containing |
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- 2,3,5,6-Tetrafluoro-1,4-benzenedimethanol (CAS 92339-07-6)
- 3,4,4,4-Tetrafluoro-3-(trifluoromethyl)butan-1-ol (CAS 90999-87-4)
- 2,3,5,6-Tetrafluoro-4-nitroaniline (CAS 776-16-9)
- 4,5,5,5-Tetrafluoro-4-(trifluoromethyl)pent-2-ene (CAS 243139-63-1)
- 2,3,4,5-Tetrafluoro-6-hydroxybenzoic acid (CAS 14742-36-0)
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Recommended Standards
- 3-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1888441-67-5)
- 1,3-Bis(difluoromethyl)-1H-pyrazole-5-carboxylic acid (CAS 2540503-44-2)
- 5-Fluoro-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carboxylic acid (CAS 151734-01-9)
- 3-Bromo-2-(furan-2-yl)imidazo[1,2-a]pyridine (CAS 37643-96-2)
- m-PEG6-O-CH2COOH (CAS 75427-75-7)
- N1-(2-{[3-(trifluoromethyl)benzyl]thio}phenyl)-2,2-dichloroacetamide (CAS 646989-67-5)
- Methyl 6,7-Dihydro-5H-pyrrolo[2,3-d]pyrimidine-2-carboxylate (CAS 1824438-85-8)
- 4-Methyl-2-(4-(trifluoromethyl)phenyl)pyrrolidine (CAS 603068-26-4)
- tert-Butyl(2R,4R)-2-((benzyloxy)methyl)-4-fluoro-2-(hydroxymethyl)pyrrolidine-1-carboxylate (CAS 2757097-05-3)
- Semaglutide Impurity 140 (CAS CATO-C4X-2226140)
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