1,4-Diethyl 2,2-difluoro-3-methylbutanedioate CAS 1965305-25-2
| CAS No. | 1965305-25-2 |
| Molecular Formula | C9H14F2O4 |
| Molecular Weight | 224.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 1,4-Diethyl 2,2-difluoro-3-methylbutanedioate (CAS 1965305-25-2), a certified reference material (molecular formula C9H14F2O4, MW 224.20 g/mol) for analytical method development and quality control.
Structurally, 1,4-Diethyl 2,2-difluoro-3-methylbutanedioate (C9H14F2O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 224.20 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C9H14F2O4 |
| Molecular Weight | 224.20 g/mol |
| 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 |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | F-containing |
Related Diethyl Standards
- Diethyl 2,2-difluoropentanedioate, 97% (CAS 428-97-7)
- Diethyl 3,3-difluoropentanedioate (CAS 2710-66-9)
- Diethyl ((1,3-dioxolan-2-yl)methyl)phosphonate (CAS 17053-09-7)
- Diethyl (2-Ethoxyacetyl)phosphonate (CAS 30492-56-9)
- Diethyl pyrazine-2,5-dicarboxylate (CAS 103150-78-3)
- Diethyl pyridazine-3,4-dicarboxylate (CAS 16082-13-6)
- 4,5-diethyl pyrimidine-4,5-dicarboxylate (CAS 36978-53-7)
- Diethyl pyridazine-4,5-dicarboxylate (CAS 21050-73-7)
Recommended Standards
- 2-(Dimethylamino)-4-(trifluoromethyl)thiazole-5-carbaldehyde (CAS 1934465-22-1)
- (2,2,2-TRifluoroethyl)sulfonylbenzene (CAS 56354-44-0)
- 1,3-Dimethyl-2-thioxo-6-(trifluoromethyl)-2,3-dihydropyrimidin-4(1H)-one (CAS 188616-74-2)
- (4-(Difluoromethoxy)naphthalen-1-yl)methanol (CAS 668275-85-2)
- Diethyl 5-(benzofuran-2-carboxamido)-3-methylthiophene-2,4-dicarboxylate (CAS 301304-89-2)
- 4-(1,1-Dioxido-1,2-thiazinan-2-yl)-2-methylbenzenesulfonyl chloride (CAS 1794736-65-4)
- 3,5-Bis(perfluorohexyl)-1-phenyl-1H-pyrazole (CAS 243977-27-7)
- Lenalidomide-C4-NH2 (CAS 2093388-69-1)
- 1-(Furan-2-yl)-3-methylbutan-1-amine (CAS 99062-46-1)
- Perospirone Impurity 30 HCl (CAS 10479-62-6)
- 5-Bromo-2-fluorobenzene-1,3-diol (CAS 570391-16-1)
- 2,3-Difluoro-4-methylpyridine (CAS 1227597-92-3)
- 1,5-Bis(hydroxyamino)anthracene-9,10-dione (CAS 60080-32-2)
- Des-Pro31-Tirzepatide (CAS CATO-CPTD788943)
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 18665070610 / Nicole.chen@cato-chem.com