1,1,2,2-Tetrafluoro-6-oxaspiro[3.4]octane-5,7-dione CAS 2138154-95-5
| 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) is a high-purity analytical reference standard with the molecular formula C7H4F4O3 and a molecular weight of 212.10 g/mol.
Structurally, 1,1,2,2-Tetrafluoro-6-oxaspiro[3.4]octane-5,7-dione (C7H4F4O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 212.10 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 1,1,2,2-Tetrafluoro-6-oxaspiro[3.4]octane-5,7-dione 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 | 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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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)
- Sodium 3-(trifluoromethyl)benzoate (CAS 69226-41-1)
- 3-Bromo-2-(furan-2-yl)imidazo[1,2-a]pyridine (CAS 37643-96-2)
- m-PEG6-O-CH2COOH (CAS 75427-75-7)
- 4-Ethoxy-2-(methylthio)-6-(piperidin-3-yloxy)pyrimidine hydrochloride (CAS 1353980-16-1)
- 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)
- (2-Isobutoxy-5-methylphenyl)(methyl)sulfane (CAS 1379322-55-0)
- Ilaprazole impurity 203 (CAS 1378653-43-0（free base）)
- Semaglutide Impurity 140 (CAS CATO-C4X-2226140)
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