(E)-2-(4-chlorobenzylidene)-3,4-dihydronaphthalen-1(2H)-one CAS 59082-24-5
| CAS No. | 59082-24-5 |
| Molecular Formula | C17H13ClO |
| Molecular Weight | 268.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (E)-2-(4-chlorobenzylidene)-3,4-dihydronaphthalen-1(2H)-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
(E)-2-(4-chlorobenzylidene)-3,4-dihydronaphthalen-1(2H)-one (CAS 59082-24-5), molecular formula C17H13ClO and molecular weight 268.74 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (E)-2-(4-chlorobenzylidene)-3,4-dihydronaphthalen-1(2H)-one (C17H13ClO) contains a steroid core, a hydroxyl group, an ether linkage, chlorine substitution. 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 268.74 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C17H13ClO |
| Molecular Weight | 268.74 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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.) | 1973 |
| Halogen Content | Cl-containing |
Related E Standards
- 2-(4-Chlorobenzylidene)-5-(methylthio)thiophen-3(2H)-one (CAS 1000574-38-8)
- (E)-2-(4-Chlorobenzylidene)-5-methylbenzofuran-3(2H)-one (CAS 61976-56-5)
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- N-(4-Chlorobenzylidene)quinolin-6-amine (CAS 84922-30-5)
- 5-(4-Chlorobenzylidene)-2,2-dimethyl-1,3-dioxane-4,6-dione (CAS 15851-87-3)
- 1234351-74-6 (2Z)-2-(2-Chlorobenzylidene)-6-hydroxy-1-benzofuran-3(2H)-one MFCD04065083 (CAS 1234351-74-6)
- 1234351-77-9 (2Z)-2-(3-Chlorobenzylidene)-6-hydroxy-1-benzofuran-3(2H)-one MFCD04187695 (CAS 1234351-77-9)
Recommended Standards
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- 1-(2-Amino-1-(3-chlorophenyl)ethyl)pyrrolidine-3-carboxylic acid (CAS 886363-92-4)
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- 1-((1H-Imidazol-1-yl)methyl)-1H-benzo[d]imidazole (CAS 159064-01-4)
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- 2,2-Dimethyl-1,6,2-dioxasilocane (CAS 24628-31-7)
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