(3-Methylbut-2-en-1-yl)benzene CAS 4489-84-3
| CAS No. | 4489-84-3 |
| Molecular Formula | C11H14 |
| Molecular Weight | 146.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(3-Methylbut-2-en-1-yl)benzene (CAS 4489-84-3) is a high-purity analytical reference standard with the molecular formula C11H14 and a molecular weight of 146.23 g/mol.
The molecular framework of (3-Methylbut-2-en-1-yl)benzene (C11H14) is characterized by an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
Physical & Chemical Properties
| Molecular Formula | C11H14 |
| Molecular Weight | 146.23 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.) | 1958 |
Related Methylbut Standards
- 3-Methylbut-1-en-2-ylbenzene (CAS 17498-71-4)
- (2-Methylbut-1-en-1-yl)benzene (CAS 56253-64-6)
- (3-Methylbut-2-en-2-yl)benzene (CAS 769-57-3)
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Recommended Standards
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