Ethyl 3-(2-methyl-[1,1'-biphenyl]-4-yl)-3-oxopropanoate CAS 1260817-78-4
| CAS No. | 1260817-78-4 |
| Molecular Formula | C18H18O3 |
| Molecular Weight | 282.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 3-(2-methyl-[1,1'-biphenyl]-4-yl)-3-oxopropanoate (CAS 1260817-78-4), molecular formula C18H18O3 and molecular weight 282.33 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H18O3, Ethyl 3-(2-methyl-[1,1'-biphenyl]-4-yl)-3-oxopropanoate contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 282.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), Ethyl 3-(2-methyl-[1,1'-biphenyl]-4-yl)-3-oxopropanoate 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.
Physical & Chemical Properties
| Molecular Formula | C18H18O3 |
| Molecular Weight | 282.33 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
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