Diethyl bis(2-fluorobenzyl)malonate CAS 91319-43-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 91319-43-6 |
| Molecular Formula | C21H22F2O4 |
| Molecular Weight | 376.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Diethyl bis(2-fluorobenzyl)malonate (CAS 91319-43-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H22F2O4. Molecular weight: 376.39 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H22F2O4 |
| Molecular Weight | 376.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Halogen Content | F-containing |
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Recommended Standards
- 4-Methoxy-N'-(3-(pyridin-3-yl)-4,5-dihydroisoxazole-5-carbonyl)benzenesulfonohydrazide (CAS 478078-49-8)
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- 4-((4-(N-(4,6-Dimethylpyrimidin-2-yl)sulfamoyl)phenyl)amino)-4-oxobut-2-enoic acid (CAS 910621-63-5)
- 7,8-Dimethyl-2-(pyridin-3-yl)quinoline-4-carbonyl chloride (CAS 1203050-62-7)
- 3-Methyl-1-(2-(phenylthio)ethyl)-1H-pyrazol-5(4H)-one (CAS 55294-10-5)
- Fmoc-Gly-Thr(Psi(Me,Me)pro)-OH (CAS 1262308-49-5)
- Omadacycline Impurity 48 (CAS CATO-C4X-285748)
- N-Desmethyl Vandetanib (CAS 338992-12-4)
- 2-(4-(4-Fluorophenyl)piperazin-1-yl)propanoic acid dihydrochloride (CAS 1269151-07-6)
- Semaglutide impurity 331 (CAS CATO-C4X-2226231)
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