1-ethynyl-3-phenylbicyclo[1.1.1]pentane CAS 1955524-44-3
| CAS No. | 1955524-44-3 |
| Molecular Formula | C13H18 |
| Molecular Weight | 174.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-ethynyl-3-phenylbicyclo[1.1.1]pentane (CAS 1955524-44-3) is a high-purity analytical reference standard with the molecular formula C13H18 and a molecular weight of 174.28 g/mol.
Owing to an aromatic ring system, 1-ethynyl-3-phenylbicyclo[1.1.1]pentane is typically off-white to pale yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 174.28 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C13H18 |
| Molecular Weight | 174.28 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
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- 4-(3-(2-Fluorophenyl)-1,2,4-oxadiazol-5-yl)pyrrolidin-2-one (CAS 1707603-44-8)
- Methyl({[1-(propan-2-yl)-1h-pyrazol-5-yl]methyl})amine (CAS 1007464-33-6)
- Semaglutide impurity 236 (CAS CATO-C4X-2226236)
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