6-[(E)-(3-Methoxyphenyl)methylidene]-6,7,8,9-tetrahydro-5H-benzo[a]cyclohepten-5-one CAS 112547-47-4
| CAS No. | 112547-47-4 |
| Molecular Formula | C19H18O2 |
| Molecular Weight | 278.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 6-[(E)-(3-Methoxyphenyl)methylidene]-6,7,8,9-tetrahydro-5H-benzo[a]cyclohepten-5-one (C19H18O2) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 278.35 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
6-[(E)-(3-Methoxyphenyl)methylidene]-6,7,8,9-tetrahydro-5H-benzo[a]cyclohepten-5-one (CAS 112547-47-4), molecular formula C19H18O2 and molecular weight 278.35 g/mol, is a CATO reference standard with documented purity and traceability.
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 6-[(E)-(3-Methoxyphenyl)methylidene]-6,7,8,9-tetrahydro-5H-benzo[a]cyclohepten-5-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 | C19H18O2 |
| Molecular Weight | 278.35 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.) | 1989 |
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Recommended Standards
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