41624-92-4 CTK1D3725 Octanoic acid, 8-chloro-8-oxo-, methyl ester CAS 41624-92-4
| CAS No. | 41624-92-4 |
| Molecular Formula | C9H15ClO3 |
| Molecular Weight | 206.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
41624-92-4 CTK1D3725 Octanoic acid, 8-chloro-8-oxo-, methyl ester (CAS 41624-92-4), molecular formula C9H15ClO3 and molecular weight 206.67 g/mol, is a CATO reference standard with documented purity and traceability.
41624-92-4 CTK1D3725 Octanoic acid, 8-chloro-8-oxo-, methyl ester (C9H15ClO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 | C9H15ClO3 |
| Molecular Weight | 206.67 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.) | 1968 |
| Halogen Content | Cl-containing |
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