| CAS No. | 1845-54-1 |
| Molecular Formula | C12H20O2 |
| Molecular Weight | 196.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 196.29 g/mol gives 2-Isopropenyl-5-methyl-4-hexenoic Acid Ethyl Ester distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 2-Isopropenyl-5-methyl-4-hexenoic Acid Ethyl Ester (CAS 1845-54-1), a certified reference material (molecular formula C12H20O2, MW 196.29 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H20O2, 2-Isopropenyl-5-methyl-4-hexenoic Acid Ethyl Ester contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 196.29 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 2-Isopropenyl-5-methyl-4-hexenoic Acid Ethyl Ester 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.
| Molecular Formula | C12H20O2 |
| Molecular Weight | 196.29 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |