| CAS No. | 80221-01-8 |
| Molecular Formula | C11H10O |
| Molecular Weight | 158.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO manufactures 4-(2-Methylphenyl)but-3-yn-2-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.
4-(2-Methylphenyl)but-3-yn-2-one (CAS 80221-01-8) is a high-purity analytical reference standard with the molecular formula C11H10O and a molecular weight of 158.20 g/mol.
Structurally, 4-(2-Methylphenyl)but-3-yn-2-one (C11H10O) contains a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 158.20 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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
| Molecular Formula | C11H10O |
| Molecular Weight | 158.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |