| CAS No. | 10544-95-3 |
| Molecular Formula | C19H40 |
| Molecular Weight | 268.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 4-Methyloctadecane is closely related to an organic framework in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-Methyloctadecane (CAS 10544-95-3), molecular formula C19H40 and molecular weight 268.52 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H40, 4-Methyloctadecane contains an organic framework; these features give the compound characteristic molecular-ion distribution patterns in mass spectrometry. The molecular weight of 268.52 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-Methyloctadecane meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
| Molecular Formula | C19H40 |
| Molecular Weight | 268.52 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1960 |