156458-92-3 (5Z)-5-(3-Bromopropylidene)-5,11-dihydro-10H-dibenzo[a,d]cyclohepten-10-one (2Z)-2-(3-bromopropylidene)tricyclo[9.4.0.03,8]pentadeca-1(15),3,5,7,11,13-hexaen-9-one CAS 156458-92-3
| CAS No. | 156458-92-3 |
| Molecular Formula | C18H15BrO |
| Molecular Weight | 327.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
156458-92-3 (5Z)-5-(3-Bromopropylidene)-5,11-dihydro-10H-dibenzo[a,d]cyclohepten-10-one (2Z)-2-(3-bromopropylidene)tricyclo[9.4.0.03,8]pentadeca-1(15),3,5,7,11,13-hexaen-9-one (C18H15BrO) contains a steroid core, a hydroxyl group, an ether linkage, bromine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
156458-92-3 (5Z)-5-(3-Bromopropylidene)-5,11-dihydro-10H-dibenzo[a,d]cyclohepten-10-one (2Z)-2-(3-bromopropylidene)tricyclo[9.4.0.03,8]pentadeca-1(15),3,5,7,11,13-hexaen-9-one (CAS 156458-92-3) is a high-purity analytical reference standard with the molecular formula C18H15BrO and a molecular weight of 327.22 g/mol.
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 156458-92-3 (5Z)-5-(3-Bromopropylidene)-5,11-dihydro-10H-dibenzo[a,d]cyclohepten-10-one (2Z)-2-(3-bromopropylidene)tricyclo[9.4.0.03,8]pentadeca-1(15),3,5,7,11,13-hexaen-9-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 | C18H15BrO |
| Molecular Weight | 327.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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.) | 2001 |
| Halogen Content | Br-containing |
Recommended Standards
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Why CATO?
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