Ethyl-5-(4-methoxy-d3-2,3,6-trimethylphenyl)-3-methyl-2,4-pentadienoate(cis/trans Mixture) CAS 1185247-60-2
| CAS No. | 1185247-60-2 |
| Molecular Formula | - |
| Molecular Weight | 291.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 291.40 g/mol gives Ethyl-5-(4-methoxy-d3-2,3,6-trimethylphenyl)-3-methyl-2,4-pentadienoate(cis/trans Mixture) distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl-5-(4-methoxy-d3-2,3,6-trimethylphenyl)-3-methyl-2,4-pentadienoate(cis/trans Mixture) (CAS 1185247-60-2) is a high-purity analytical reference standard with the molecular formula C18H21D3O3 and a molecular weight of 291.40 g/mol.
Based on its molecular formula C18H21D3O3, Ethyl-5-(4-methoxy-d3-2,3,6-trimethylphenyl)-3-methyl-2,4-pentadienoate(cis/trans Mixture) contains deuterium isotope labeling, a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 291.40 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Ethyl-5-(4-methoxy-d3-2,3,6-trimethylphenyl)-3-methyl-2,4-pentadienoate(cis/trans Mixture) 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.
Physical & Chemical Properties
| Molecular Formula | C18H21D3O3 |
| Molecular Weight | 291.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
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