1391019-43-4 3-methoxy-18-methyl-1,3,5(10),9(11),15(16)-pentaen-17-one CAS 1391019-43-4
| CAS No. | 1391019-43-4 |
| Molecular Formula | C20H20O2 |
| Molecular Weight | 292.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 292.37 g/mol gives 1391019-43-4 3-methoxy-18-methyl-1,3,5(10),9(11),15(16)-pentaen-17-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 1391019-43-4 3-methoxy-18-methyl-1,3,5(10),9(11),15(16)-pentaen-17-one (CAS 1391019-43-4), a certified reference material (molecular formula C20H20O2, MW 292.37 g/mol) for analytical method development and quality control.
1391019-43-4 3-methoxy-18-methyl-1,3,5(10),9(11),15(16)-pentaen-17-one (C20H20O2) contains a steroid core, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 1391019-43-4 3-methoxy-18-methyl-1,3,5(10),9(11),15(16)-pentaen-17-one 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 | C20H20O2 |
| Molecular Weight | 292.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
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Recommended Standards
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- 4-(4-Bromophenyl)tetrahydro-2H-pyran-4-carboxamide (CAS 1000705-55-4)
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